diff --git a/demo/dist/js/bundle.js b/demo/dist/js/bundle.js index 95a62bb2..c4b5e980 100644 --- a/demo/dist/js/bundle.js +++ b/demo/dist/js/bundle.js @@ -207,8 +207,46 @@ /***/ function(module, exports) { // shim for using process in browser - var process = module.exports = {}; + + // cached from whatever global is present so that test runners that stub it + // don't break things. But we need to wrap it in a try catch in case it is + // wrapped in strict mode code which doesn't define any globals. It's inside a + // function because try/catches deoptimize in certain engines. + + var cachedSetTimeout; + var cachedClearTimeout; + + (function () { + try { + cachedSetTimeout = setTimeout; + } catch (e) { + cachedSetTimeout = function () { + throw new Error('setTimeout is not defined'); + } + } + try { + cachedClearTimeout = clearTimeout; + } catch (e) { + cachedClearTimeout = function () { + throw new Error('clearTimeout is not defined'); + } + } + } ()) + function runTimeout(fun) { + if (cachedSetTimeout === setTimeout) { + return setTimeout(fun, 0); + } else { + return cachedSetTimeout.call(null, fun, 0); + } + } + function runClearTimeout(marker) { + if (cachedClearTimeout === clearTimeout) { + clearTimeout(marker); + } else { + cachedClearTimeout.call(null, marker); + } + } var queue = []; var draining = false; var currentQueue; @@ -233,7 +271,7 @@ if (draining) { return; } - var timeout = setTimeout(cleanUpNextTick); + var timeout = runTimeout(cleanUpNextTick); draining = true; var len = queue.length; @@ -250,7 +288,7 @@ } currentQueue = null; draining = false; - clearTimeout(timeout); + runClearTimeout(timeout); } process.nextTick = function (fun) { @@ -262,7 +300,7 @@ } queue.push(new Item(fun, args)); if (queue.length === 1 && !draining) { - setTimeout(drainQueue, 0); + runTimeout(drainQueue); } }; @@ -19665,7 +19703,7 @@ var React = __webpack_require__(1); var ReactDOM = __webpack_require__(158); var SimpleMDEReact = __webpack_require__(160); - var Editor = __webpack_require__(163); + var Editor = __webpack_require__(182); let counter = 1; @@ -19746,10 +19784,8 @@ /***/ function(module, exports, __webpack_require__) { const React = __webpack_require__(1); - // not ideal, but doesn't properly load codemirror - // currently looking for a better solution const SimpleMDE = __webpack_require__(161); - const $ = __webpack_require__(162); + const $ = __webpack_require__(181); let state = { previousValue: null @@ -19820,250 +19856,17220 @@ /* 161 */ /***/ 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t=e.display,n=t.gutters.offsetWidth,r=Math.round(e.doc.height+Ue(e.display));return{clientHeight:t.scroller.clientHeight,viewHeight:t.wrapper.clientHeight,scrollWidth:t.scroller.scrollWidth,clientWidth:t.scroller.clientWidth,viewWidth:t.wrapper.clientWidth,barLeft:e.options.fixedGutter?n:0,docHeight:r,scrollHeight:r+$e(e)+t.barHeight,nativeBarWidth:t.nativeBarWidth,gutterWidth:n}}function m(e,t,n){this.cm=n;var r=this.vert=_i("div",[_i("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar"),i=this.horiz=_i("div",[_i("div",null,null,"height: 100%; min-height: 1px")],"CodeMirror-hscrollbar");e(r),e(i),Al(r,"scroll",function(){r.clientHeight&&t(r.scrollTop,"vertical")}),Al(i,"scroll",function(){i.clientWidth&&t(i.scrollLeft,"horizontal")}),this.checkedZeroWidth=!1,xo&&8>bo&&(this.horiz.style.minHeight=this.vert.style.minWidth="18px")}function g(){}function 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n=e.display,r=n.scrollbars.update(t);n.sizer.style.paddingRight=(n.barWidth=r.right)+"px",n.sizer.style.paddingBottom=(n.barHeight=r.bottom)+"px",n.heightForcer.style.borderBottom=r.bottom+"px solid transparent",r.right&&r.bottom?(n.scrollbarFiller.style.display="block",n.scrollbarFiller.style.height=r.bottom+"px",n.scrollbarFiller.style.width=r.right+"px"):n.scrollbarFiller.style.display="",r.bottom&&e.options.coverGutterNextToScrollbar&&e.options.fixedGutter?(n.gutterFiller.style.display="block",n.gutterFiller.style.height=r.bottom+"px",n.gutterFiller.style.width=t.gutterWidth+"px"):n.gutterFiller.style.display=""}function b(e,t,n){var r=n&&null!=n.top?Math.max(0,n.top):e.scroller.scrollTop;r=Math.floor(r-qe(e));var i=n&&null!=n.bottom?n.bottom:r+e.wrapper.clientHeight,o=ni(t,r),l=ni(t,i);if(n&&n.ensure){var 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s=jt(e);if(!a&&0==s&&!t.force&&n.renderedView==n.view&&(null==n.updateLineNumbers||n.updateLineNumbers>=n.viewTo))return!1;var c=Gi();return s>4&&(n.lineDiv.style.display="none"),E(e,n.updateLineNumbers,t.dims),s>4&&(n.lineDiv.style.display=""),n.renderedView=n.view,c&&Gi()!=c&&c.offsetHeight&&c.focus(),qi(n.cursorDiv),qi(n.selectionDiv),n.gutters.style.height=n.sizer.style.minHeight=0,a&&(n.lastWrapHeight=t.wrapperHeight,n.lastWrapWidth=t.wrapperWidth,Re(e,400)),n.updateLineNumbers=null,!0}function N(e,t){for(var n=t.viewport,r=!0;(r&&e.options.lineWrapping&&t.oldDisplayWidth!=Ve(e)||(n&&null!=n.top&&(n={top:Math.min(e.doc.height+Ue(e.display)-Ke(e),n.top)}),t.visible=b(e.display,e.doc,n),!(t.visible.from>=e.display.viewFrom&&t.visible.to<=e.display.viewTo)))&&M(e,t);r=!1){H(e);var i=p(e);Ee(e),O(e,i),y(e,i)}t.signal(e,"update",e),e.display.viewFrom==e.display.reportedViewFrom&&e.display.viewTo==e.display.reportedViewTo||(t.signal(e,"viewportChange",e,e.display.viewFrom,e.display.viewTo),e.display.reportedViewFrom=e.display.viewFrom,e.display.reportedViewTo=e.display.viewTo)}function A(e,t){var n=new L(e,t);if(M(e,n)){H(e),N(e,n);var r=p(e);Ee(e),O(e,r),y(e,r),n.finish()}}function O(e,t){e.display.sizer.style.minHeight=t.docHeight+"px",e.display.heightForcer.style.top=t.docHeight+"px",e.display.gutters.style.height=Math.max(t.docHeight+e.display.barHeight+$e(e),t.clientHeight)+"px"}function H(e){for(var t=e.display,n=t.lineDiv.offsetTop,r=0;rbo){var l=o.node.offsetTop+o.node.offsetHeight;i=l-n,n=l}else{var a=o.node.getBoundingClientRect();i=a.bottom-a.top}var s=o.line.height-i;if(2>i&&(i=yt(t)),(s>.001||-.001>s)&&(ei(o.line,i),W(o.line),o.rest))for(var c=0;c=t&&d.lineNumber;d.changes&&(Ii(d.changes,"gutter")>-1&&(h=!1),D(e,d,c,n)),h&&(qi(d.lineNumber),d.lineNumber.appendChild(document.createTextNode(C(e.options,c)))),a=d.node.nextSibling}else{var f=q(e,d,c,n);l.insertBefore(f,a)}c+=d.size}for(;a;)a=r(a)}function D(e,t,n,r){for(var i=0;ibo&&(e.node.style.zIndex=2)),e.node}function F(e){var t=e.bgClass?e.bgClass+" "+(e.line.bgClass||""):e.line.bgClass;if(t&&(t+=" CodeMirror-linebackground"),e.background)t?e.background.className=t:(e.background.parentNode.removeChild(e.background),e.background=null);else if(t){var n=P(e);e.background=n.insertBefore(_i("div",null,t),n.firstChild)}}function z(e,t){var n=e.display.externalMeasured;return n&&n.line==t.line?(e.display.externalMeasured=null,t.measure=n.measure,n.built):zr(e,t)}function R(e,t){var n=t.text.className,r=z(e,t);t.text==t.node&&(t.node=r.pre),t.text.parentNode.replaceChild(r.pre,t.text),t.text=r.pre,r.bgClass!=t.bgClass||r.textClass!=t.textClass?(t.bgClass=r.bgClass,t.textClass=r.textClass,B(t)):n&&(t.text.className=n)}function B(e){F(e),e.line.wrapClass?P(e).className=e.line.wrapClass:e.node!=e.text&&(e.node.className="");var t=e.textClass?e.textClass+" "+(e.line.textClass||""):e.line.textClass;e.text.className=t||""}function j(e,t,n,r){if(t.gutter&&(t.node.removeChild(t.gutter),t.gutter=null),t.gutterBackground&&(t.node.removeChild(t.gutterBackground),t.gutterBackground=null),t.line.gutterClass){var i=P(t);t.gutterBackground=_i("div",null,"CodeMirror-gutter-background "+t.line.gutterClass,"left: "+(e.options.fixedGutter?r.fixedPos:-r.gutterTotalWidth)+"px; width: "+r.gutterTotalWidth+"px"),i.insertBefore(t.gutterBackground,t.text)}var o=t.line.gutterMarkers;if(e.options.lineNumbers||o){var i=P(t),l=t.gutter=_i("div",null,"CodeMirror-gutter-wrapper","left: "+(e.options.fixedGutter?r.fixedPos:-r.gutterTotalWidth)+"px");if(e.display.input.setUneditable(l),i.insertBefore(l,t.text),t.line.gutterClass&&(l.className+=" "+t.line.gutterClass),!e.options.lineNumbers||o&&o["CodeMirror-linenumbers"]||(t.lineNumber=l.appendChild(_i("div",C(e.options,n),"CodeMirror-linenumber CodeMirror-gutter-elt","left: "+r.gutterLeft["CodeMirror-linenumbers"]+"px; width: "+e.display.lineNumInnerWidth+"px"))),o)for(var a=0;a1)if(Ro&&Ro.join("\n")==t){if(r.ranges.length%Ro.length==0){s=[];for(var c=0;c=0;c--){var u=r.ranges[c],d=u.from(),h=u.to();u.empty()&&(n&&n>0?d=Fo(d.line,d.ch-n):e.state.overwrite&&!l&&(h=Fo(h.line,Math.min(Zr(o,h.line).text.length,h.ch+Wi(a).length))));var f=e.curOp.updateInput,p={from:d,to:h,text:s?s[c%s.length]:a,origin:i||(l?"paste":e.state.cutIncoming?"cut":"+input")};Tn(e.doc,p),Si(e,"inputRead",e,p)}t&&!l&&J(e,t),zn(e),e.curOp.updateInput=f,e.curOp.typing=!0,e.state.pasteIncoming=e.state.cutIncoming=!1}function Q(e,t){var n=e.clipboardData&&e.clipboardData.getData("text/plain");return n?(e.preventDefault(),t.isReadOnly()||t.options.disableInput||At(t,function(){Z(t,n,0,null,"paste")}),!0):void 0}function J(e,t){if(e.options.electricChars&&e.options.smartIndent)for(var n=e.doc.sel,r=n.ranges.length-1;r>=0;r--){var i=n.ranges[r];if(!(i.head.ch>100||r&&n.ranges[r-1].head.line==i.head.line)){var o=e.getModeAt(i.head),l=!1;if(o.electricChars){for(var a=0;a-1){l=Bn(e,i.head.line,"smart");break}}else o.electricInput&&o.electricInput.test(Zr(e.doc,i.head.line).text.slice(0,i.head.ch))&&(l=Bn(e,i.head.line,"smart"));l&&Si(e,"electricInput",e,i.head.line)}}}function ee(e){for(var t=[],n=[],r=0;ri?c.map:u[i],l=0;li?e.line:e.rest[i]),d=o[l]+r;return(0>r||a!=t)&&(d=o[l+(r?1:0)]),Fo(s,d)}}}var i=e.text.firstChild,o=!1;if(!t||!Vl(i,t))return le(Fo(ti(e.line),0),!0);if(t==i&&(o=!0,t=i.childNodes[n],n=0,!t)){var l=e.rest?Wi(e.rest):e.line;return le(Fo(ti(l),l.text.length),o)}var a=3==t.nodeType?t:null,s=t;for(a||1!=t.childNodes.length||3!=t.firstChild.nodeType||(a=t.firstChild,n&&(n=a.nodeValue.length));s.parentNode!=i;)s=s.parentNode;var c=e.measure,u=c.maps,d=r(a,s,n);if(d)return le(d,o);for(var h=s.nextSibling,f=a?a.nodeValue.length-n:0;h;h=h.nextSibling){if(d=r(h,h.firstChild,0))return le(Fo(d.line,d.ch-f),o);f+=h.textContent.length}for(var p=s.previousSibling,f=n;p;p=p.previousSibling){if(d=r(p,p.firstChild,-1))return le(Fo(d.line,d.ch+f),o);f+=h.textContent.length}}function ce(e,t,n,r,i){function o(e){return function(t){return t.id==e}}function l(t){if(1==t.nodeType){var n=t.getAttribute("cm-text");if(null!=n)return""==n&&(n=t.textContent.replace(/\u200b/g,"")),void(a+=n);var u,d=t.getAttribute("cm-marker");if(d){var h=e.findMarks(Fo(r,0),Fo(i+1,0),o(+d));return void(h.length&&(u=h[0].find())&&(a+=Qr(e.doc,u.from,u.to).join(c)))}if("false"==t.getAttribute("contenteditable"))return;for(var f=0;f=0){var l=X(o.from(),i.from()),a=K(o.to(),i.to()),s=o.empty()?i.from()==i.head:o.from()==o.head;t>=r&&--t,e.splice(--r,2,new de(s?a:l,s?l:a))}}return new ue(e,t)}function fe(e,t){return new ue([new de(e,t||e)],0)}function pe(e,t){return Math.max(e.first,Math.min(t,e.first+e.size-1))}function me(e,t){if(t.linen?Fo(n,Zr(e,n).text.length):ge(t,Zr(e,t.line).text.length)}function ge(e,t){var n=e.ch;return null==n||n>t?Fo(e.line,t):0>n?Fo(e.line,0):e}function ve(e,t){return t>=e.first&&t=t.ch:a.to>t.ch))){if(i&&(Wl(s,"beforeCursorEnter"),s.explicitlyCleared)){if(o.markedSpans){--l;continue}break}if(!s.atomic)continue;if(n){var c,u=s.find(0>r?1:-1);if((0>r?s.inclusiveRight:s.inclusiveLeft)&&(u=Ie(e,u,-r,u&&u.line==t.line?o:null)),u&&u.line==t.line&&(c=zo(u,n))&&(0>r?0>c:c>0))return He(e,u,t,r,i)}var d=s.find(0>r?-1:1);return(0>r?s.inclusiveLeft:s.inclusiveRight)&&(d=Ie(e,d,r,d.line==t.line?o:null)),d?He(e,d,t,r,i):null}}return t}function We(e,t,n,r,i){var o=r||1,l=He(e,t,n,o,i)||!i&&He(e,t,n,o,!0)||He(e,t,n,-o,i)||!i&&He(e,t,n,-o,!0);return l?l:(e.cantEdit=!0,Fo(e.first,0))}function Ie(e,t,n,r){return 0>n&&0==t.ch?t.line>e.first?me(e,Fo(t.line-1)):null:n>0&&t.ch==(r||Zr(e,t.line)).text.length?t.line=e.display.viewTo||a.to().linet&&(t=0),t=Math.round(t),r=Math.round(r),a.appendChild(_i("div",null,"CodeMirror-selected","position: absolute; left: "+e+"px; top: "+t+"px; width: "+(null==n?u-e:n)+"px; height: "+(r-t)+"px"))}function i(t,n,i){function o(n,r){return ht(e,Fo(t,n),"div",d,r)}var a,s,d=Zr(l,t),h=d.text.length;return eo(ii(d),n||0,null==i?h:i,function(e,t,l){var d,f,p,m=o(e,"left");if(e==t)d=m,f=p=m.left;else{if(d=o(t-1,"right"),"rtl"==l){var g=m;m=d,d=g}f=m.left,p=d.right}null==n&&0==e&&(f=c),d.top-m.top>3&&(r(f,m.top,null,m.bottom),f=c,m.bottoms.bottom||d.bottom==s.bottom&&d.right>s.right)&&(s=d),c+1>f&&(f=c),r(f,d.top,p-f,d.bottom)}),{start:a,end:s}}var o=e.display,l=e.doc,a=document.createDocumentFragment(),s=Ge(e.display),c=s.left,u=Math.max(o.sizerWidth,Ve(e)-o.sizer.offsetLeft)-s.right,d=t.from(),h=t.to();if(d.line==h.line)i(d.line,d.ch,h.ch);else{var f=Zr(l,d.line),p=Zr(l,h.line),m=yr(f)==yr(p),g=i(d.line,d.ch,m?f.text.length+1:null).end,v=i(h.line,m?0:null,h.ch).start;m&&(g.top0?t.blinker=setInterval(function(){t.cursorDiv.style.visibility=(n=!n)?"":"hidden"},e.options.cursorBlinkRate):e.options.cursorBlinkRate<0&&(t.cursorDiv.style.visibility="hidden")}}function Re(e,t){e.doc.mode.startState&&e.doc.frontier=e.display.viewTo)){var n=+new Date+e.options.workTime,r=al(t.mode,_e(e,t.frontier)),i=[];t.iter(t.frontier,Math.min(t.first+t.size,e.display.viewTo+500),function(o){if(t.frontier>=e.display.viewFrom){var l=o.styles,a=o.text.length>e.options.maxHighlightLength,s=Er(e,o,a?al(t.mode,r):r,!0);o.styles=s.styles;var c=o.styleClasses,u=s.classes;u?o.styleClasses=u:c&&(o.styleClasses=null);for(var d=!l||l.length!=o.styles.length||c!=u&&(!c||!u||c.bgClass!=u.bgClass||c.textClass!=u.textClass),h=0;!d&&hn?(Re(e,e.options.workDelay),!0):void 0}),i.length&&At(e,function(){for(var t=0;tl;--a){if(a<=o.first)return o.first;var s=Zr(o,a-1);if(s.stateAfter&&(!n||a<=o.frontier))return a;var c=Rl(s.text,null,e.options.tabSize);(null==i||r>c)&&(i=a-1,r=c)}return i}function _e(e,t,n){var r=e.doc,i=e.display;if(!r.mode.startState)return!0;var o=je(e,t,n),l=o>r.first&&Zr(r,o-1).stateAfter;return l=l?al(r.mode,l):sl(r.mode),r.iter(o,t,function(n){Pr(e,n.text,l);var a=o==t-1||o%5==0||o>=i.viewFrom&&o2&&o.push((s.bottom+c.top)/2-n.top)}}o.push(n.bottom-n.top)}}function Ye(e,t,n){if(e.line==t)return{map:e.measure.map,cache:e.measure.cache};for(var r=0;rn)return{map:e.measure.maps[r],cache:e.measure.caches[r],before:!0}}function Ze(e,t){t=yr(t);var n=ti(t),r=e.display.externalMeasured=new It(e.doc,t,n);r.lineN=n;var i=r.built=zr(e,r);return r.text=i.pre,Ui(e.display.lineMeasure,i.pre),r}function Qe(e,t,n,r){return tt(e,et(e,t),n,r)}function Je(e,t){if(t>=e.display.viewFrom&&t=n.lineN&&tt?(i=0,o=1,l="left"):c>t?(i=t-s,o=i+1):(a==e.length-3||t==c&&e[a+3]>t)&&(o=c-s,i=o-1,t>=c&&(l="right")),null!=i){if(r=e[a+2],s==c&&n==(r.insertLeft?"left":"right")&&(l=n),"left"==n&&0==i)for(;a&&e[a-2]==e[a-3]&&e[a-1].insertLeft;)r=e[(a-=3)+2],l="left";if("right"==n&&i==c-s)for(;au;u++){for(;a&&ji(t.line.text.charAt(o.coverStart+a));)--a;for(;o.coverStart+sbo&&0==a&&s==o.coverEnd-o.coverStart)i=l.parentNode.getBoundingClientRect();else if(xo&&e.options.lineWrapping){var d=ql(l,a,s).getClientRects();i=d.length?d["right"==r?d.length-1:0]:qo}else i=ql(l,a,s).getBoundingClientRect()||qo;if(i.left||i.right||0==a)break;s=a,a-=1,c="right"}xo&&11>bo&&(i=it(e.display.measure,i))}else{a>0&&(c=r="right");var d;i=e.options.lineWrapping&&(d=l.getClientRects()).length>1?d["right"==r?d.length-1:0]:l.getBoundingClientRect()}if(xo&&9>bo&&!a&&(!i||!i.left&&!i.right)){var h=l.parentNode.getClientRects()[0];i=h?{left:h.left,right:h.left+xt(e.display),top:h.top,bottom:h.bottom}:qo}for(var f=i.top-t.rect.top,p=i.bottom-t.rect.top,m=(f+p)/2,g=t.view.measure.heights,u=0;un.from?l(e-1):l(e,r)}r=r||Zr(e.doc,t.line),i||(i=et(e,r));var s=ii(r),c=t.ch;if(!s)return l(c);var u=co(s,c),d=a(c,u);return null!=oa&&(d.other=a(c,oa)),d}function pt(e,t){var n=0,t=me(e.doc,t);e.options.lineWrapping||(n=xt(e.display)*t.ch);var r=Zr(e.doc,t.line),i=ri(r)+qe(e.display);return{left:n,right:n,top:i,bottom:i+r.height}}function mt(e,t,n,r){var i=Fo(e,t);return i.xRel=r,n&&(i.outside=!0),i}function gt(e,t,n){var r=e.doc;if(n+=e.display.viewOffset,0>n)return mt(r.first,0,!0,-1);var i=ni(r,n),o=r.first+r.size-1;if(i>o)return mt(r.first+r.size-1,Zr(r,o).text.length,!0,1);0>t&&(t=0);for(var l=Zr(r,i);;){var a=vt(e,l,i,t,n),s=gr(l),c=s&&s.find(0,!0);if(!s||!(a.ch>c.from.ch||a.ch==c.from.ch&&a.xRel>0))return a;i=ti(l=c.to.line)}}function vt(e,t,n,r,i){function o(r){var i=ft(e,Fo(n,r),"line",t,c);return a=!0,l>i.bottom?i.left-s:lg)return mt(n,f,v,1);for(;;){if(u?f==h||f==ho(t,h,1):1>=f-h){for(var y=p>r||g-r>=r-p?h:f,x=r-(y==h?p:g);ji(t.text.charAt(y));)++y;var b=mt(n,y,y==h?m:v,-1>x?-1:x>1?1:0);return b}var w=Math.ceil(d/2),k=h+w;if(u){k=h;for(var C=0;w>C;++C)k=ho(t,k,1)}var S=o(k);S>r?(f=k,g=S,(v=a)&&(g+=1e3),d=w):(h=k,p=S,m=a,d-=w)}}function yt(e){if(null!=e.cachedTextHeight)return e.cachedTextHeight;if(null==Bo){Bo=_i("pre");for(var t=0;49>t;++t)Bo.appendChild(document.createTextNode("x")),Bo.appendChild(_i("br"));Bo.appendChild(document.createTextNode("x"))}Ui(e.measure,Bo);var n=Bo.offsetHeight/50;return n>3&&(e.cachedTextHeight=n),qi(e.measure),n||1}function xt(e){if(null!=e.cachedCharWidth)return e.cachedCharWidth;var t=_i("span","xxxxxxxxxx"),n=_i("pre",[t]);Ui(e.measure,n);var r=t.getBoundingClientRect(),i=(r.right-r.left)/10;return i>2&&(e.cachedCharWidth=i),i||10}function bt(e){e.curOp={cm:e,viewChanged:!1,startHeight:e.doc.height,forceUpdate:!1,updateInput:null,typing:!1,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:!1,updateMaxLine:!1,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:!1,id:++Go},Uo?Uo.ops.push(e.curOp):e.curOp.ownsGroup=Uo={ops:[e.curOp],delayedCallbacks:[]}}function wt(e){var t=e.delayedCallbacks,n=0;do{for(;n=n.viewTo)||n.maxLineChanged&&t.options.lineWrapping,e.update=e.mustUpdate&&new L(t,e.mustUpdate&&{top:e.scrollTop,ensure:e.scrollToPos},e.forceUpdate)}function Lt(e){e.updatedDisplay=e.mustUpdate&&M(e.cm,e.update)}function Tt(e){var t=e.cm,n=t.display;e.updatedDisplay&&H(t),e.barMeasure=p(t),n.maxLineChanged&&!t.options.lineWrapping&&(e.adjustWidthTo=Qe(t,n.maxLine,n.maxLine.text.length).left+3,t.display.sizerWidth=e.adjustWidthTo,e.barMeasure.scrollWidth=Math.max(n.scroller.clientWidth,n.sizer.offsetLeft+e.adjustWidthTo+$e(t)+t.display.barWidth),e.maxScrollLeft=Math.max(0,n.sizer.offsetLeft+e.adjustWidthTo-Ve(t))),(e.updatedDisplay||e.selectionChanged)&&(e.preparedSelection=n.input.prepareSelection())}function Mt(e){var t=e.cm;null!=e.adjustWidthTo&&(t.display.sizer.style.minWidth=e.adjustWidthTo+"px",e.maxScrollLefto;o=r){var l=new It(e.doc,Zr(e.doc,o),o);r=o+l.size,i.push(l)}return i}function Dt(e,t,n,r){null==t&&(t=e.doc.first),null==n&&(n=e.doc.first+e.doc.size),r||(r=0);var i=e.display;if(r&&nt)&&(i.updateLineNumbers=t),e.curOp.viewChanged=!0,t>=i.viewTo)Po&&br(e.doc,t)i.viewFrom?Ft(e):(i.viewFrom+=r,i.viewTo+=r);else if(t<=i.viewFrom&&n>=i.viewTo)Ft(e);else if(t<=i.viewFrom){var o=Rt(e,n,n+r,1);o?(i.view=i.view.slice(o.index),i.viewFrom=o.lineN,i.viewTo+=r):Ft(e)}else if(n>=i.viewTo){var o=Rt(e,t,t,-1);o?(i.view=i.view.slice(0,o.index),i.viewTo=o.lineN):Ft(e)}else{var l=Rt(e,t,t,-1),a=Rt(e,n,n+r,1);l&&a?(i.view=i.view.slice(0,l.index).concat(Et(e,l.lineN,a.lineN)).concat(i.view.slice(a.index)),i.viewTo+=r):Ft(e)}var s=i.externalMeasured;s&&(n=i.lineN&&t=r.viewTo)){var o=r.view[zt(e,t)];if(null!=o.node){var l=o.changes||(o.changes=[]);-1==Ii(l,n)&&l.push(n)}}}function Ft(e){e.display.viewFrom=e.display.viewTo=e.doc.first,e.display.view=[],e.display.viewOffset=0}function zt(e,t){if(t>=e.display.viewTo)return null;if(t-=e.display.viewFrom,0>t)return null;for(var n=e.display.view,r=0;rt)return r}function Rt(e,t,n,r){var i,o=zt(e,t),l=e.display.view;if(!Po||n==e.doc.first+e.doc.size)return{index:o,lineN:n};for(var a=0,s=e.display.viewFrom;o>a;a++)s+=l[a].size;if(s!=t){if(r>0){if(o==l.length-1)return null;i=s+l[o].size-t,o++}else i=s-t;t+=i,n+=i}for(;br(e.doc,n)!=n;){if(o==(0>r?0:l.length-1))return null;n+=r*l[o-(0>r?1:0)].size,o+=r}return{index:o,lineN:n}}function Bt(e,t,n){var r=e.display,i=r.view;0==i.length||t>=r.viewTo||n<=r.viewFrom?(r.view=Et(e,t,n),r.viewFrom=t):(r.viewFrom>t?r.view=Et(e,t,r.viewFrom).concat(r.view):r.viewFromn&&(r.view=r.view.slice(0,zt(e,n)))),r.viewTo=n}function jt(e){for(var t=e.display.view,n=0,r=0;r400}var i=e.display;Al(i.scroller,"mousedown",Ot(e,Vt)),xo&&11>bo?Al(i.scroller,"dblclick",Ot(e,function(t){if(!Ti(e,t)){var n=$t(e,t);if(n&&!Qt(e,t)&&!Gt(e.display,t)){Tl(t);var r=e.findWordAt(n);be(e.doc,r.anchor,r.head)}}})):Al(i.scroller,"dblclick",function(t){Ti(e,t)||Tl(t)}),Eo||Al(i.scroller,"contextmenu",function(t){xn(e,t)});var o,l={end:0};Al(i.scroller,"touchstart",function(t){if(!Ti(e,t)&&!n(t)){clearTimeout(o);var r=+new Date;i.activeTouch={start:r,moved:!1,prev:r-l.end<=300?l:null},1==t.touches.length&&(i.activeTouch.left=t.touches[0].pageX,i.activeTouch.top=t.touches[0].pageY)}}),Al(i.scroller,"touchmove",function(){i.activeTouch&&(i.activeTouch.moved=!0)}),Al(i.scroller,"touchend",function(n){var o=i.activeTouch;if(o&&!Gt(i,n)&&null!=o.left&&!o.moved&&new Date-o.start<300){var l,a=e.coordsChar(i.activeTouch,"page");l=!o.prev||r(o,o.prev)?new de(a,a):!o.prev.prev||r(o,o.prev.prev)?e.findWordAt(a):new de(Fo(a.line,0),me(e.doc,Fo(a.line+1,0))),e.setSelection(l.anchor,l.head),e.focus(),Tl(n)}t()}),Al(i.scroller,"touchcancel",t),Al(i.scroller,"scroll",function(){i.scroller.clientHeight&&(rn(e,i.scroller.scrollTop),on(e,i.scroller.scrollLeft,!0),Wl(e,"scroll",e))}),Al(i.scroller,"mousewheel",function(t){ln(e,t)}),Al(i.scroller,"DOMMouseScroll",function(t){ln(e,t)}),Al(i.wrapper,"scroll",function(){i.wrapper.scrollTop=i.wrapper.scrollLeft=0}),i.dragFunctions={enter:function(t){Ti(e,t)||Nl(t)},over:function(t){Ti(e,t)||(tn(e,t),Nl(t))},start:function(t){en(e,t)},drop:Ot(e,Jt),leave:function(){nn(e)}};var a=i.input.getField();Al(a,"keyup",function(t){pn.call(e,t)}),Al(a,"keydown",Ot(e,hn)),Al(a,"keypress",Ot(e,mn)),Al(a,"focus",zi(vn,e)),Al(a,"blur",zi(yn,e))}function qt(t,n,r){var i=r&&r!=e.Init;if(!n!=!i){var o=t.display.dragFunctions,l=n?Al:Hl;l(t.display.scroller,"dragstart",o.start),l(t.display.scroller,"dragenter",o.enter),l(t.display.scroller,"dragover",o.over),l(t.display.scroller,"dragleave",o.leave),l(t.display.scroller,"drop",o.drop)}}function Ut(e){var t=e.display;t.lastWrapHeight==t.wrapper.clientHeight&&t.lastWrapWidth==t.wrapper.clientWidth||(t.cachedCharWidth=t.cachedTextHeight=t.cachedPaddingH=null,t.scrollbarsClipped=!1,e.setSize())}function Gt(e,t){for(var n=wi(t);n!=e.wrapper;n=n.parentNode)if(!n||1==n.nodeType&&"true"==n.getAttribute("cm-ignore-events")||n.parentNode==e.sizer&&n!=e.mover)return!0}function $t(e,t,n,r){var i=e.display;if(!n&&"true"==wi(t).getAttribute("cm-not-content"))return null;var o,l,a=i.lineSpace.getBoundingClientRect();try{o=t.clientX-a.left,l=t.clientY-a.top}catch(t){return null}var s,c=gt(e,o,l);if(r&&1==c.xRel&&(s=Zr(e.doc,c.line).text).length==c.ch){var u=Rl(s,s.length,e.options.tabSize)-s.length;c=Fo(c.line,Math.max(0,Math.round((o-Ge(e.display).left)/xt(e.display))-u))}return c}function Vt(e){var t=this,n=t.display;if(!(Ti(t,e)||n.activeTouch&&n.input.supportsTouch())){if(n.shift=e.shiftKey,Gt(n,e))return void(wo||(n.scroller.draggable=!1,setTimeout(function(){n.scroller.draggable=!0},100)));if(!Qt(t,e)){var r=$t(t,e);switch(window.focus(),ki(e)){case 1:t.state.selectingText?t.state.selectingText(e):r?Kt(t,e,r):wi(e)==n.scroller&&Tl(e);break;case 2:wo&&(t.state.lastMiddleDown=+new Date),r&&be(t.doc,r),setTimeout(function(){n.input.focus()},20),Tl(e);break;case 3:Eo?xn(t,e):gn(t)}}}}function Kt(e,t,n){xo?setTimeout(zi(Y,e),0):e.curOp.focus=Gi();var r,i=+new Date;_o&&_o.time>i-400&&0==zo(_o.pos,n)?r="triple":jo&&jo.time>i-400&&0==zo(jo.pos,n)?(r="double",_o={time:i,pos:n}):(r="single",jo={time:i,pos:n});var o,l=e.doc.sel,a=Oo?t.metaKey:t.ctrlKey;e.options.dragDrop&&Jl&&!e.isReadOnly()&&"single"==r&&(o=l.contains(n))>-1&&(zo((o=l.ranges[o]).from(),n)<0||n.xRel>0)&&(zo(o.to(),n)>0||n.xRel<0)?Xt(e,t,n,a):Yt(e,t,n,r,a)}function Xt(e,t,n,r){var i=e.display,o=+new Date,l=Ot(e,function(a){wo&&(i.scroller.draggable=!1),e.state.draggingText=!1,Hl(document,"mouseup",l),Hl(i.scroller,"drop",l),Math.abs(t.clientX-a.clientX)+Math.abs(t.clientY-a.clientY)<10&&(Tl(a),!r&&+new Date-200=p;p++){var v=Zr(c,p).text,y=Bl(v,s,o);s==f?i.push(new de(Fo(p,y),Fo(p,y))):v.length>y&&i.push(new de(Fo(p,y),Fo(p,Bl(v,f,o))))}i.length||i.push(new de(n,n)),Te(c,he(h.ranges.slice(0,d).concat(i),d),{origin:"*mouse",scroll:!1}),e.scrollIntoView(t)}else{var x=u,b=x.anchor,w=t;if("single"!=r){if("double"==r)var k=e.findWordAt(t);else var k=new de(Fo(t.line,0),me(c,Fo(t.line+1,0)));zo(k.anchor,b)>0?(w=k.head,b=X(x.from(),k.anchor)):(w=k.anchor,b=K(x.to(),k.head))}var i=h.ranges.slice(0);i[d]=new de(me(c,b),w),Te(c,he(i,d),Fl)}}function l(t){var n=++y,i=$t(e,t,!0,"rect"==r);if(i)if(0!=zo(i,g)){e.curOp.focus=Gi(),o(i);var a=b(s,c);(i.line>=a.to||i.linev.bottom?20:0;u&&setTimeout(Ot(e,function(){y==n&&(s.scroller.scrollTop+=u,l(t))}),50)}}function a(t){e.state.selectingText=!1,y=1/0,Tl(t),s.input.focus(),Hl(document,"mousemove",x),Hl(document,"mouseup",w),c.history.lastSelOrigin=null}var s=e.display,c=e.doc;Tl(t);var u,d,h=c.sel,f=h.ranges;if(i&&!t.shiftKey?(d=c.sel.contains(n),u=d>-1?f[d]:new de(n,n)):(u=c.sel.primary(),d=c.sel.primIndex),t.altKey)r="rect",i||(u=new de(n,n)),n=$t(e,t,!0,!0),d=-1;else if("double"==r){var p=e.findWordAt(n);u=e.display.shift||c.extend?xe(c,u,p.anchor,p.head):p}else if("triple"==r){var m=new de(Fo(n.line,0),me(c,Fo(n.line+1,0)));u=e.display.shift||c.extend?xe(c,u,m.anchor,m.head):m}else u=xe(c,u,n);i?-1==d?(d=f.length,Te(c,he(f.concat([u]),d),{scroll:!1,origin:"*mouse"})):f.length>1&&f[d].empty()&&"single"==r&&!t.shiftKey?(Te(c,he(f.slice(0,d).concat(f.slice(d+1)),0),{scroll:!1,origin:"*mouse"}),h=c.sel):ke(c,d,u,Fl):(d=0,Te(c,new ue([u],0),Fl),h=c.sel);var g=n,v=s.wrapper.getBoundingClientRect(),y=0,x=Ot(e,function(e){ki(e)?l(e):a(e)}),w=Ot(e,a);e.state.selectingText=w,Al(document,"mousemove",x),Al(document,"mouseup",w)}function Zt(e,t,n,r){try{var i=t.clientX,o=t.clientY}catch(t){return!1}if(i>=Math.floor(e.display.gutters.getBoundingClientRect().right))return!1;r&&Tl(t);var l=e.display,a=l.lineDiv.getBoundingClientRect(); - if(o>a.bottom||!Ni(e,n))return bi(t);o-=a.top-l.viewOffset;for(var s=0;s=i){var u=ni(e.doc,o),d=e.options.gutters[s];return Wl(e,n,e,u,d,t),bi(t)}}}function Qt(e,t){return Zt(e,t,"gutterClick",!0)}function Jt(e){var t=this;if(nn(t),!Ti(t,e)&&!Gt(t.display,e)){Tl(e),xo&&($o=+new Date);var n=$t(t,e,!0),r=e.dataTransfer.files;if(n&&!t.isReadOnly())if(r&&r.length&&window.FileReader&&window.File)for(var i=r.length,o=Array(i),l=0,a=function(e,r){if(!t.options.allowDropFileTypes||-1!=Ii(t.options.allowDropFileTypes,e.type)){var a=new FileReader;a.onload=Ot(t,function(){var e=a.result;if(/[\x00-\x08\x0e-\x1f]{2}/.test(e)&&(e=""),o[r]=e,++l==i){n=me(t.doc,n);var s={from:n,to:n,text:t.doc.splitLines(o.join(t.doc.lineSeparator())),origin:"paste"};Tn(t.doc,s),Le(t.doc,fe(n,Qo(s)))}}),a.readAsText(e)}},s=0;i>s;++s)a(r[s],s);else{if(t.state.draggingText&&t.doc.sel.contains(n)>-1)return t.state.draggingText(e),void setTimeout(function(){t.display.input.focus()},20);try{var o=e.dataTransfer.getData("Text");if(o){if(t.state.draggingText&&!(Oo?e.altKey:e.ctrlKey))var c=t.listSelections();if(Me(t.doc,fe(n,n)),c)for(var s=0;sl.clientWidth,s=l.scrollHeight>l.clientHeight;if(r&&a||i&&s){if(i&&Oo&&wo)e:for(var c=t.target,u=o.view;c!=l;c=c.parentNode)for(var d=0;dh?f=Math.max(0,f+h-50):p=Math.min(e.doc.height,p+h+50),A(e,{top:f,bottom:p})}20>Vo&&(null==o.wheelStartX?(o.wheelStartX=l.scrollLeft,o.wheelStartY=l.scrollTop,o.wheelDX=r,o.wheelDY=i,setTimeout(function(){if(null!=o.wheelStartX){var e=l.scrollLeft-o.wheelStartX,t=l.scrollTop-o.wheelStartY,n=t&&o.wheelDY&&t/o.wheelDY||e&&o.wheelDX&&e/o.wheelDX;o.wheelStartX=o.wheelStartY=null,n&&(Ko=(Ko*Vo+n)/(Vo+1),++Vo)}},200)):(o.wheelDX+=r,o.wheelDY+=i))}}function an(e,t,n){if("string"==typeof t&&(t=cl[t],!t))return!1;e.display.input.ensurePolled();var r=e.display.shift,i=!1;try{e.isReadOnly()&&(e.state.suppressEdits=!0),n&&(e.display.shift=!1),i=t(e)!=Dl}finally{e.display.shift=r,e.state.suppressEdits=!1}return i}function sn(e,t,n){for(var r=0;rbo&&27==e.keyCode&&(e.returnValue=!1);var n=e.keyCode;t.display.shift=16==n||e.shiftKey;var r=un(t,e);So&&(Zo=r?n:null,!r&&88==n&&!na&&(Oo?e.metaKey:e.ctrlKey)&&t.replaceSelection("",null,"cut")),18!=n||/\bCodeMirror-crosshair\b/.test(t.display.lineDiv.className)||fn(t)}}function fn(e){function t(e){18!=e.keyCode&&e.altKey||(Yl(n,"CodeMirror-crosshair"),Hl(document,"keyup",t),Hl(document,"mouseover",t))}var n=e.display.lineDiv;Zl(n,"CodeMirror-crosshair"),Al(document,"keyup",t),Al(document,"mouseover",t)}function pn(e){16==e.keyCode&&(this.doc.sel.shift=!1),Ti(this,e)}function mn(e){var t=this;if(!(Gt(t.display,e)||Ti(t,e)||e.ctrlKey&&!e.altKey||Oo&&e.metaKey)){var n=e.keyCode,r=e.charCode;if(So&&n==Zo)return Zo=null,void Tl(e);if(!So||e.which&&!(e.which<10)||!un(t,e)){var i=String.fromCharCode(null==r?n:r);dn(t,e,i)||t.display.input.onKeyPress(e)}}}function gn(e){e.state.delayingBlurEvent=!0,setTimeout(function(){e.state.delayingBlurEvent&&(e.state.delayingBlurEvent=!1,yn(e))},100)}function vn(e){e.state.delayingBlurEvent&&(e.state.delayingBlurEvent=!1),"nocursor"!=e.options.readOnly&&(e.state.focused||(Wl(e,"focus",e),e.state.focused=!0,Zl(e.display.wrapper,"CodeMirror-focused"),e.curOp||e.display.selForContextMenu==e.doc.sel||(e.display.input.reset(),wo&&setTimeout(function(){e.display.input.reset(!0)},20)),e.display.input.receivedFocus()),ze(e))}function yn(e){e.state.delayingBlurEvent||(e.state.focused&&(Wl(e,"blur",e),e.state.focused=!1,Yl(e.display.wrapper,"CodeMirror-focused")),clearInterval(e.display.blinker),setTimeout(function(){e.state.focused||(e.display.shift=!1)},150))}function xn(e,t){Gt(e.display,t)||bn(e,t)||Ti(e,t,"contextmenu")||e.display.input.onContextMenu(t)}function bn(e,t){return Ni(e,"gutterContextMenu")?Zt(e,t,"gutterContextMenu",!1):!1}function wn(e,t){if(zo(e,t.from)<0)return e;if(zo(e,t.to)<=0)return Qo(t);var n=e.line+t.text.length-(t.to.line-t.from.line)-1,r=e.ch;return e.line==t.to.line&&(r+=Qo(t).ch-t.to.ch),Fo(n,r)}function kn(e,t){for(var n=[],r=0;r=0;--i)Mn(e,{from:r[i].from,to:r[i].to,text:i?[""]:t.text});else Mn(e,t)}}function Mn(e,t){if(1!=t.text.length||""!=t.text[0]||0!=zo(t.from,t.to)){var n=kn(e,t);ci(e,t,n,e.cm?e.cm.curOp.id:NaN),On(e,t,n,or(e,t));var r=[];Xr(e,function(e,n){n||-1!=Ii(r,e.history)||(xi(e.history,t),r.push(e.history)),On(e,t,null,or(e,t))})}}function Nn(e,t,n){if(!e.cm||!e.cm.state.suppressEdits){for(var r,i=e.history,o=e.sel,l="undo"==t?i.done:i.undone,a="undo"==t?i.undone:i.done,s=0;s=0;--s){var d=r.changes[s];if(d.origin=t,u&&!Ln(e,d,!1))return void(l.length=0);c.push(li(e,d));var h=s?kn(e,d):Wi(l);On(e,d,h,ar(e,d)),!s&&e.cm&&e.cm.scrollIntoView({from:d.from,to:Qo(d)});var f=[];Xr(e,function(e,t){t||-1!=Ii(f,e.history)||(xi(e.history,d),f.push(e.history)),On(e,d,null,ar(e,d))})}}}}function An(e,t){if(0!=t&&(e.first+=t,e.sel=new ue(Ei(e.sel.ranges,function(e){return new de(Fo(e.anchor.line+t,e.anchor.ch),Fo(e.head.line+t,e.head.ch))}),e.sel.primIndex),e.cm)){Dt(e.cm,e.first,e.first-t,t);for(var n=e.cm.display,r=n.viewFrom;re.lastLine())){if(t.from.lineo&&(t={from:t.from,to:Fo(o,Zr(e,o).text.length),text:[t.text[0]],origin:t.origin}),t.removed=Qr(e,t.from,t.to),n||(n=kn(e,t)),e.cm?Hn(e.cm,t,r):$r(e,t,r),Me(e,n,Pl)}}function Hn(e,t,n){var r=e.doc,i=e.display,l=t.from,a=t.to,s=!1,c=l.line;e.options.lineWrapping||(c=ti(yr(Zr(r,l.line))),r.iter(c,a.line+1,function(e){return e==i.maxLine?(s=!0,!0):void 0})),r.sel.contains(t.from,t.to)>-1&&Mi(e),$r(r,t,n,o(e)),e.options.lineWrapping||(r.iter(c,l.line+t.text.length,function(e){var t=d(e);t>i.maxLineLength&&(i.maxLine=e,i.maxLineLength=t,i.maxLineChanged=!0,s=!1)}),s&&(e.curOp.updateMaxLine=!0)),r.frontier=Math.min(r.frontier,l.line),Re(e,400);var u=t.text.length-(a.line-l.line)-1;t.full?Dt(e):l.line!=a.line||1!=t.text.length||Gr(e.doc,t)?Dt(e,l.line,a.line+1,u):Pt(e,l.line,"text");var h=Ni(e,"changes"),f=Ni(e,"change");if(f||h){var p={from:l,to:a,text:t.text,removed:t.removed,origin:t.origin};f&&Si(e,"change",e,p),h&&(e.curOp.changeObjs||(e.curOp.changeObjs=[])).push(p)}e.display.selForContextMenu=null}function Wn(e,t,n,r,i){if(r||(r=n),zo(r,n)<0){var o=r;r=n,n=o}"string"==typeof t&&(t=e.splitLines(t)),Tn(e,{from:n,to:r,text:t,origin:i})}function In(e,t){if(!Ti(e,"scrollCursorIntoView")){var n=e.display,r=n.sizer.getBoundingClientRect(),i=null;if(t.top+r.top<0?i=!0:t.bottom+r.top>(window.innerHeight||document.documentElement.clientHeight)&&(i=!1),null!=i&&!Mo){var o=_i("div","​",null,"position: absolute; top: "+(t.top-n.viewOffset-qe(e.display))+"px; height: "+(t.bottom-t.top+$e(e)+n.barHeight)+"px; left: "+t.left+"px; width: 2px;");e.display.lineSpace.appendChild(o),o.scrollIntoView(i),e.display.lineSpace.removeChild(o)}}}function En(e,t,n,r){null==r&&(r=0);for(var i=0;5>i;i++){var o=!1,l=ft(e,t),a=n&&n!=t?ft(e,n):l,s=Pn(e,Math.min(l.left,a.left),Math.min(l.top,a.top)-r,Math.max(l.left,a.left),Math.max(l.bottom,a.bottom)+r),c=e.doc.scrollTop,u=e.doc.scrollLeft;if(null!=s.scrollTop&&(rn(e,s.scrollTop),Math.abs(e.doc.scrollTop-c)>1&&(o=!0)),null!=s.scrollLeft&&(on(e,s.scrollLeft),Math.abs(e.doc.scrollLeft-u)>1&&(o=!0)),!o)break}return l}function Dn(e,t,n,r,i){var o=Pn(e,t,n,r,i);null!=o.scrollTop&&rn(e,o.scrollTop),null!=o.scrollLeft&&on(e,o.scrollLeft)}function Pn(e,t,n,r,i){var o=e.display,l=yt(e.display);0>n&&(n=0);var a=e.curOp&&null!=e.curOp.scrollTop?e.curOp.scrollTop:o.scroller.scrollTop,s=Ke(e),c={};i-n>s&&(i=n+s);var u=e.doc.height+Ue(o),d=l>n,h=i>u-l;if(a>n)c.scrollTop=d?0:n;else if(i>a+s){var f=Math.min(n,(h?u:i)-s);f!=a&&(c.scrollTop=f)}var p=e.curOp&&null!=e.curOp.scrollLeft?e.curOp.scrollLeft:o.scroller.scrollLeft,m=Ve(e)-(e.options.fixedGutter?o.gutters.offsetWidth:0),g=r-t>m;return 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po=navigator.userAgent,mo=navigator.platform,go=/gecko\/\d/i.test(po),vo=/MSIE \d/.test(po),yo=/Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(po),xo=vo||yo,bo=xo&&(vo?document.documentMode||6:yo[1]),wo=/WebKit\//.test(po),ko=wo&&/Qt\/\d+\.\d+/.test(po),Co=/Chrome\//.test(po),So=/Opera\//.test(po),Lo=/Apple Computer/.test(navigator.vendor),To=/Mac OS X 1\d\D([8-9]|\d\d)\D/.test(po),Mo=/PhantomJS/.test(po),No=/AppleWebKit/.test(po)&&/Mobile\/\w+/.test(po),Ao=No||/Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(po),Oo=No||/Mac/.test(mo),Ho=/win/i.test(mo),Wo=So&&po.match(/Version\/(\d*\.\d*)/);Wo&&(Wo=Number(Wo[1])),Wo&&Wo>=15&&(So=!1,wo=!0);var Io=Oo&&(ko||So&&(null==Wo||12.11>Wo)),Eo=go||xo&&bo>=9,Do=!1,Po=!1;m.prototype=Fi({update:function(e){var t=e.scrollWidth>e.clientWidth+1,n=e.scrollHeight>e.clientHeight+1,r=e.nativeBarWidth;if(n){this.vert.style.display="block",this.vert.style.bottom=t?r+"px":"0";var 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hidden; opacity: .05; filter: alpha(opacity=5);",wo)var f=window.scrollY;if(o.input.focus(),wo&&window.scrollTo(null,f),o.input.reset(),i.somethingSelected()||(l.value=r.prevInput=" "),r.contextMenuPending=!0,o.selForContextMenu=i.doc.sel,clearTimeout(o.detectingSelectAll),xo&&bo>=9&&t(),Eo){Nl(e);var p=function(){Hl(window,"mouseup",p),setTimeout(n,20)};Al(window,"mouseup",p)}else setTimeout(n,50)}},readOnlyChanged:function(e){e||this.reset()},setUneditable:Di,needsContentAttribute:!1},ne.prototype),ie.prototype=Fi({init:function(e){function t(e){if(!Ti(r,e)){if(r.somethingSelected())Ro=r.getSelections(),"cut"==e.type&&r.replaceSelection("",null,"cut");else{if(!r.options.lineWiseCopyCut)return;var t=ee(r);Ro=t.text,"cut"==e.type&&r.operation(function(){r.setSelections(t.ranges,0,Pl),r.replaceSelection("",null,"cut")})}if(e.clipboardData&&!No)e.preventDefault(),e.clipboardData.clearData(),e.clipboardData.setData("text/plain",Ro.join("\n"));else{var 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t=n.composing;t&&(e.data==t.startData||/\u200b/.test(e.data)||(t.data=e.data),setTimeout(function(){t.handled||n.applyComposition(t),n.composing==t&&(n.composing=null)},50))}),Al(i,"touchstart",function(){n.forceCompositionEnd()}),Al(i,"input",function(){n.composing||!r.isReadOnly()&&n.pollContent()||At(n.cm,function(){Dt(r)})}),Al(i,"copy",t),Al(i,"cut",t)},prepareSelection:function(){var e=De(this.cm,!1);return e.focus=this.cm.state.focused,e},showSelection:function(e){e&&this.cm.display.view.length&&(e.focus&&this.showPrimarySelection(),this.showMultipleSelections(e))},showPrimarySelection:function(){var e=window.getSelection(),t=this.cm.doc.sel.primary(),n=ae(this.cm,e.anchorNode,e.anchorOffset),r=ae(this.cm,e.focusNode,e.focusOffset);if(!n||n.bad||!r||r.bad||0!=zo(X(n,r),t.from())||0!=zo(K(n,r),t.to())){var i=oe(this.cm,t.from()),o=oe(this.cm,t.to());if(i||o){var l=this.cm.display.view,a=e.rangeCount&&e.getRangeAt(0);if(i){if(!o){var s=l[l.length-1].measure,c=s.maps?s.maps[s.maps.length-1]:s.map;o={node:c[c.length-1],offset:c[c.length-2]-c[c.length-3]}}}else i={node:l[0].measure.map[2],offset:0};try{var u=ql(i.node,i.offset,o.offset,o.node)}catch(d){}u&&(!go&&this.cm.state.focused?(e.collapse(i.node,i.offset),u.collapsed||e.addRange(u)):(e.removeAllRanges(),e.addRange(u)),a&&null==e.anchorNode?e.addRange(a):go&&this.startGracePeriod()),this.rememberSelection()}}},startGracePeriod:function(){var e=this;clearTimeout(this.gracePeriod),this.gracePeriod=setTimeout(function(){e.gracePeriod=!1,e.selectionChanged()&&e.cm.operation(function(){e.cm.curOp.selectionChanged=!0})},20)},showMultipleSelections:function(e){Ui(this.cm.display.cursorDiv,e.cursors),Ui(this.cm.display.selectionDiv,e.selection)},rememberSelection:function(){var e=window.getSelection();this.lastAnchorNode=e.anchorNode,this.lastAnchorOffset=e.anchorOffset,this.lastFocusNode=e.focusNode,this.lastFocusOffset=e.focusOffset},selectionInEditor:function(){var e=window.getSelection();if(!e.rangeCount)return!1;var t=e.getRangeAt(0).commonAncestorContainer;return Vl(this.div,t)},focus:function(){"nocursor"!=this.cm.options.readOnly&&this.div.focus()},blur:function(){this.div.blur()},getField:function(){return this.div},supportsTouch:function(){return!0},receivedFocus:function(){function e(){t.cm.state.focused&&(t.pollSelection(),t.polling.set(t.cm.options.pollInterval,e))}var t=this;this.selectionInEditor()?this.pollSelection():At(this.cm,function(){t.cm.curOp.selectionChanged=!0}),this.polling.set(this.cm.options.pollInterval,e)},selectionChanged:function(){var e=window.getSelection();return e.anchorNode!=this.lastAnchorNode||e.anchorOffset!=this.lastAnchorOffset||e.focusNode!=this.lastFocusNode||e.focusOffset!=this.lastFocusOffset},pollSelection:function(){if(!this.composing&&!this.gracePeriod&&this.selectionChanged()){var e=window.getSelection(),t=this.cm;this.rememberSelection();var n=ae(t,e.anchorNode,e.anchorOffset),r=ae(t,e.focusNode,e.focusOffset);n&&r&&At(t,function(){Te(t.doc,fe(n,r),Pl),(n.bad||r.bad)&&(t.curOp.selectionChanged=!0)})}},pollContent:function(){var e=this.cm,t=e.display,n=e.doc.sel.primary(),r=n.from(),i=n.to();if(r.linet.viewTo-1)return!1;var o;if(r.line==t.viewFrom||0==(o=zt(e,r.line)))var l=ti(t.view[0].line),a=t.view[0].node;else var l=ti(t.view[o].line),a=t.view[o-1].node.nextSibling;var s=zt(e,i.line);if(s==t.view.length-1)var c=t.viewTo-1,u=t.lineDiv.lastChild;else var c=ti(t.view[s+1].line)-1,u=t.view[s+1].node.previousSibling;for(var d=e.doc.splitLines(ce(e,a,u,l,c)),h=Qr(e.doc,Fo(l,0),Fo(c,Zr(e.doc,c).text.length));d.length>1&&h.length>1;)if(Wi(d)==Wi(h))d.pop(),h.pop(),c--;else{if(d[0]!=h[0])break;d.shift(),h.shift(),l++}for(var f=0,p=0,m=d[0],g=h[0],v=Math.min(m.length,g.length);v>f&&m.charCodeAt(f)==g.charCodeAt(f);)++f;for(var y=Wi(d),x=Wi(h),b=Math.min(y.length-(1==d.length?f:0),x.length-(1==h.length?f:0));b>p&&y.charCodeAt(y.length-p-1)==x.charCodeAt(x.length-p-1);)++p;d[d.length-1]=y.slice(0,y.length-p),d[0]=d[0].slice(f);var w=Fo(l,f),k=Fo(c,h.length?Wi(h).length-p:0);return d.length>1||d[0]||zo(w,k)?(Wn(e.doc,d,w,k,"+input"),!0):void 0},ensurePolled:function(){this.forceCompositionEnd()},reset:function(){this.forceCompositionEnd()},forceCompositionEnd:function(){this.composing&&!this.composing.handled&&(this.applyComposition(this.composing),this.composing.handled=!0,this.div.blur(),this.div.focus())},applyComposition:function(e){this.cm.isReadOnly()?Ot(this.cm,Dt)(this.cm):e.data&&e.data!=e.startData&&Ot(this.cm,Z)(this.cm,e.data,0,e.sel)},setUneditable:function(e){e.contentEditable="false"},onKeyPress:function(e){e.preventDefault(),this.cm.isReadOnly()||Ot(this.cm,Z)(this.cm,String.fromCharCode(null==e.charCode?e.keyCode:e.charCode),0)},readOnlyChanged:function(e){this.div.contentEditable=String("nocursor"!=e)},onContextMenu:Di,resetPosition:Di,needsContentAttribute:!0},ie.prototype),e.inputStyles={textarea:ne,contenteditable:ie},ue.prototype={primary:function(){return this.ranges[this.primIndex]},equals:function(e){if(e==this)return!0;if(e.primIndex!=this.primIndex||e.ranges.length!=this.ranges.length)return!1;for(var t=0;t=0&&zo(e,r.to())<=0)return n}return-1}},de.prototype={from:function(){return X(this.anchor,this.head)},to:function(){return K(this.anchor,this.head)},empty:function(){return this.head.line==this.anchor.line&&this.head.ch==this.anchor.ch}};var Bo,jo,_o,qo={left:0,right:0,top:0,bottom:0},Uo=null,Go=0,$o=0,Vo=0,Ko=null;xo?Ko=-.53:go?Ko=15:Co?Ko=-.7:Lo&&(Ko=-1/3);var Xo=function(e){var t=e.wheelDeltaX,n=e.wheelDeltaY;return null==t&&e.detail&&e.axis==e.HORIZONTAL_AXIS&&(t=e.detail),null==n&&e.detail&&e.axis==e.VERTICAL_AXIS?n=e.detail:null==n&&(n=e.wheelDelta),{x:t,y:n}};e.wheelEventPixels=function(e){var t=Xo(e);return t.x*=Ko,t.y*=Ko,t};var Yo=new Oi,Zo=null,Qo=e.changeEnd=function(e){return e.text?Fo(e.from.line+e.text.length-1,Wi(e.text).length+(1==e.text.length?e.from.ch:0)):e.to};e.prototype={constructor:e,focus:function(){window.focus(),this.display.input.focus()},setOption:function(e,t){var n=this.options,r=n[e];n[e]==t&&"mode"!=e||(n[e]=t,el.hasOwnProperty(e)&&Ot(this,el[e])(this,t,r))},getOption:function(e){return this.options[e]},getDoc:function(){return this.doc},addKeyMap:function(e,t){this.state.keyMaps[t?"push":"unshift"](Vn(e))},removeKeyMap:function(e){for(var t=this.state.keyMaps,n=0;nn&&(Bn(this,i.head.line,e,!0),n=i.head.line,r==this.doc.sel.primIndex&&zn(this));else{var o=i.from(),l=i.to(),a=Math.max(n,o.line);n=Math.min(this.lastLine(),l.line-(l.ch?0:1))+1;for(var s=a;n>s;++s)Bn(this,s,e);var c=this.doc.sel.ranges;0==o.ch&&t.length==c.length&&c[r].from().ch>0&&ke(this.doc,r,new de(o,c[r].to()),Pl)}}}),getTokenAt:function(e,t){return Wr(this,e,t)},getLineTokens:function(e,t){return Wr(this,Fo(e),t,!0)},getTokenTypeAt:function(e){e=me(this.doc,e);var t,n=Dr(this,Zr(this.doc,e.line)),r=0,i=(n.length-1)/2,o=e.ch;if(0==o)t=n[2];else for(;;){var l=r+i>>1;if((l?n[2*l-1]:0)>=o)i=l;else{if(!(n[2*l+1]a?t:0==a?null:t.slice(0,a-1)},getModeAt:function(t){var n=this.doc.mode;return n.innerMode?e.innerMode(n,this.getTokenAt(t).state).mode:n},getHelper:function(e,t){return this.getHelpers(e,t)[0]},getHelpers:function(e,t){var n=[];if(!ll.hasOwnProperty(t))return n;var r=ll[t],i=this.getModeAt(e);if("string"==typeof i[t])r[i[t]]&&n.push(r[i[t]]);else if(i[t])for(var o=0;oi&&(e=i,r=!0),n=Zr(this.doc,e)}else n=e;return ut(this,n,{top:0,left:0},t||"page").top+(r?this.doc.height-ri(n):0)},defaultTextHeight:function(){return yt(this.display)},defaultCharWidth:function(){return xt(this.display)},setGutterMarker:Ht(function(e,t,n){return jn(this.doc,e,"gutter",function(e){var r=e.gutterMarkers||(e.gutterMarkers={});return r[t]=n,!n&&Bi(r)&&(e.gutterMarkers=null),!0})}),clearGutter:Ht(function(e){var t=this,n=t.doc,r=n.first;n.iter(function(n){n.gutterMarkers&&n.gutterMarkers[e]&&(n.gutterMarkers[e]=null,Pt(t,r,"gutter"),Bi(n.gutterMarkers)&&(n.gutterMarkers=null)),++r})}),lineInfo:function(e){if("number"==typeof e){if(!ve(this.doc,e))return null;var t=e;if(e=Zr(this.doc,e),!e)return null}else{var t=ti(e);if(null==t)return null}return{line:t,handle:e,text:e.text,gutterMarkers:e.gutterMarkers,textClass:e.textClass,bgClass:e.bgClass,wrapClass:e.wrapClass,widgets:e.widgets}},getViewport:function(){return{from:this.display.viewFrom,to:this.display.viewTo}},addWidget:function(e,t,n,r,i){var o=this.display;e=ft(this,me(this.doc,e));var l=e.bottom,a=e.left;if(t.style.position="absolute",t.setAttribute("cm-ignore-events","true"),this.display.input.setUneditable(t),o.sizer.appendChild(t),"over"==r)l=e.top;else if("above"==r||"near"==r){var s=Math.max(o.wrapper.clientHeight,this.doc.height),c=Math.max(o.sizer.clientWidth,o.lineSpace.clientWidth);("above"==r||e.bottom+t.offsetHeight>s)&&e.top>t.offsetHeight?l=e.top-t.offsetHeight:e.bottom+t.offsetHeight<=s&&(l=e.bottom),a+t.offsetWidth>c&&(a=c-t.offsetWidth)}t.style.top=l+"px",t.style.left=t.style.right="","right"==i?(a=o.sizer.clientWidth-t.offsetWidth,t.style.right="0px"):("left"==i?a=0:"middle"==i&&(a=(o.sizer.clientWidth-t.offsetWidth)/2),t.style.left=a+"px"),n&&Dn(this,a,l,a+t.offsetWidth,l+t.offsetHeight)},triggerOnKeyDown:Ht(hn),triggerOnKeyPress:Ht(mn),triggerOnKeyUp:pn,execCommand:function(e){return cl.hasOwnProperty(e)?cl[e].call(null,this):void 0},triggerElectric:Ht(function(e){J(this,e)}),findPosH:function(e,t,n,r){var i=1;0>t&&(i=-1,t=-t);for(var o=0,l=me(this.doc,e);t>o&&(l=qn(this.doc,l,i,n,r),!l.hitSide);++o);return l},moveH:Ht(function(e,t){var n=this;n.extendSelectionsBy(function(r){return n.display.shift||n.doc.extend||r.empty()?qn(n.doc,r.head,e,t,n.options.rtlMoveVisually):0>e?r.from():r.to(); - },zl)}),deleteH:Ht(function(e,t){var n=this.doc.sel,r=this.doc;n.somethingSelected()?r.replaceSelection("",null,"+delete"):_n(this,function(n){var i=qn(r,n.head,e,t,!1);return 0>e?{from:i,to:n.head}:{from:n.head,to:i}})}),findPosV:function(e,t,n,r){var i=1,o=r;0>t&&(i=-1,t=-t);for(var l=0,a=me(this.doc,e);t>l;++l){var s=ft(this,a,"div");if(null==o?o=s.left:s.left=o,a=Un(this,s,i,n),a.hitSide)break}return a},moveV:Ht(function(e,t){var n=this,r=this.doc,i=[],o=!n.display.shift&&!r.extend&&r.sel.somethingSelected();if(r.extendSelectionsBy(function(l){if(o)return 0>e?l.from():l.to();var a=ft(n,l.head,"div");null!=l.goalColumn&&(a.left=l.goalColumn),i.push(a.left);var s=Un(n,a,e,t);return"page"==t&&l==r.sel.primary()&&Fn(n,null,ht(n,s,"div").top-a.top),s},zl),i.length)for(var l=0;l0&&a(n.charAt(r-1));)--r;for(;i.5)&&l(this),Wl(this,"refresh",this)}),swapDoc:Ht(function(e){var t=this.doc;return t.cm=null,Yr(this,e),at(this),this.display.input.reset(),this.scrollTo(e.scrollLeft,e.scrollTop),this.curOp.forceScroll=!0,Si(this,"swapDoc",this,t),t}),getInputField:function(){return this.display.input.getField()},getWrapperElement:function(){return this.display.wrapper},getScrollerElement:function(){return this.display.scroller},getGutterElement:function(){return this.display.gutters}},Ai(e);var Jo=e.defaults={},el=e.optionHandlers={},tl=e.Init={toString:function(){return"CodeMirror.Init"}};Gn("value","",function(e,t){e.setValue(t)},!0),Gn("mode",null,function(e,t){e.doc.modeOption=t,n(e)},!0),Gn("indentUnit",2,n,!0),Gn("indentWithTabs",!1),Gn("smartIndent",!0),Gn("tabSize",4,function(e){r(e),at(e),Dt(e)},!0),Gn("lineSeparator",null,function(e,t){if(e.doc.lineSep=t,t){var n=[],r=e.doc.first;e.doc.iter(function(e){for(var i=0;;){var o=e.text.indexOf(t,i);if(-1==o)break;i=o+t.length,n.push(Fo(r,o))}r++});for(var i=n.length-1;i>=0;i--)Wn(e.doc,t,n[i],Fo(n[i].line,n[i].ch+t.length))}}),Gn("specialChars",/[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g,function(t,n,r){t.state.specialChars=new RegExp(n.source+(n.test(" ")?"":"| "),"g"),r!=e.Init&&t.refresh()}),Gn("specialCharPlaceholder",Rr,function(e){e.refresh()},!0),Gn("electricChars",!0),Gn("inputStyle",Ao?"contenteditable":"textarea",function(){throw new Error("inputStyle can not (yet) be changed in a running editor")},!0),Gn("rtlMoveVisually",!Ho),Gn("wholeLineUpdateBefore",!0),Gn("theme","default",function(e){a(e),s(e)},!0),Gn("keyMap","default",function(t,n,r){var i=Vn(n),o=r!=e.Init&&Vn(r);o&&o.detach&&o.detach(t,i),i.attach&&i.attach(t,o||null)}),Gn("extraKeys",null),Gn("lineWrapping",!1,i,!0),Gn("gutters",[],function(e){f(e.options),s(e)},!0),Gn("fixedGutter",!0,function(e,t){e.display.gutters.style.left=t?S(e.display)+"px":"0",e.refresh()},!0),Gn("coverGutterNextToScrollbar",!1,function(e){y(e)},!0),Gn("scrollbarStyle","native",function(e){v(e),y(e),e.display.scrollbars.setScrollTop(e.doc.scrollTop),e.display.scrollbars.setScrollLeft(e.doc.scrollLeft)},!0),Gn("lineNumbers",!1,function(e){f(e.options),s(e)},!0),Gn("firstLineNumber",1,s,!0),Gn("lineNumberFormatter",function(e){return 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nl=e.modes={},rl=e.mimeModes={};e.defineMode=function(t,n){e.defaults.mode||"null"==t||(e.defaults.mode=t),arguments.length>2&&(n.dependencies=Array.prototype.slice.call(arguments,2)),nl[t]=n},e.defineMIME=function(e,t){rl[e]=t},e.resolveMode=function(t){if("string"==typeof t&&rl.hasOwnProperty(t))t=rl[t];else if(t&&"string"==typeof t.name&&rl.hasOwnProperty(t.name)){var n=rl[t.name];"string"==typeof n&&(n={name:n}),t=Pi(n,t),t.name=n.name}else if("string"==typeof t&&/^[\w\-]+\/[\w\-]+\+xml$/.test(t))return e.resolveMode("application/xml");return"string"==typeof t?{name:t}:t||{name:"null"}},e.getMode=function(t,n){var n=e.resolveMode(n),r=nl[n.name];if(!r)return e.getMode(t,"text/plain");var i=r(t,n);if(il.hasOwnProperty(n.name)){var o=il[n.name];for(var l in o)o.hasOwnProperty(l)&&(i.hasOwnProperty(l)&&(i["_"+l]=i[l]),i[l]=o[l])}if(i.name=n.name,n.helperType&&(i.helperType=n.helperType),n.modeProps)for(var l in n.modeProps)i[l]=n.modeProps[l];return i},e.defineMode("null",function(){return{token:function(e){e.skipToEnd()}}}),e.defineMIME("text/plain","null");var il=e.modeExtensions={};e.extendMode=function(e,t){var n=il.hasOwnProperty(e)?il[e]:il[e]={};Fi(t,n)},e.defineExtension=function(t,n){e.prototype[t]=n},e.defineDocExtension=function(e,t){Cl.prototype[e]=t},e.defineOption=Gn;var ol=[];e.defineInitHook=function(e){ol.push(e)};var ll=e.helpers={};e.registerHelper=function(t,n,r){ll.hasOwnProperty(t)||(ll[t]=e[t]={_global:[]}),ll[t][n]=r},e.registerGlobalHelper=function(t,n,r,i){e.registerHelper(t,n,i),ll[t]._global.push({pred:r,val:i})};var al=e.copyState=function(e,t){if(t===!0)return t;if(e.copyState)return e.copyState(t);var n={};for(var r in t){var i=t[r];i instanceof Array&&(i=i.concat([])),n[r]=i}return n},sl=e.startState=function(e,t,n){return e.startState?e.startState(t,n):!0};e.innerMode=function(e,t){for(;e.innerMode;){var n=e.innerMode(t);if(!n||n.mode==e)break;t=n.state,e=n.mode}return n||{mode:e,state:t}};var cl=e.commands={selectAll:function(e){e.setSelection(Fo(e.firstLine(),0),Fo(e.lastLine()),Pl)},singleSelection:function(e){e.setSelection(e.getCursor("anchor"),e.getCursor("head"),Pl)},killLine:function(e){_n(e,function(t){if(t.empty()){var n=Zr(e.doc,t.head.line).text.length;return t.head.ch==n&&t.head.line0)i=new Fo(i.line,i.ch+1),e.replaceRange(o.charAt(i.ch-1)+o.charAt(i.ch-2),Fo(i.line,i.ch-2),i,"+transpose");else if(i.line>e.doc.first){var l=Zr(e.doc,i.line-1).text;l&&e.replaceRange(o.charAt(0)+e.doc.lineSeparator()+l.charAt(l.length-1),Fo(i.line-1,l.length-1),Fo(i.line,1),"+transpose")}n.push(new de(i,i))}e.setSelections(n)})},newlineAndIndent:function(e){At(e,function(){for(var t=e.listSelections().length,n=0;t>n;n++){var r=e.listSelections()[n];e.replaceRange(e.doc.lineSeparator(),r.anchor,r.head,"+input"),e.indentLine(r.from().line+1,null,!0)}zn(e)})},toggleOverwrite:function(e){e.toggleOverwrite()}},ul=e.keyMap={};ul.basic={Left:"goCharLeft",Right:"goCharRight",Up:"goLineUp",Down:"goLineDown",End:"goLineEnd",Home:"goLineStartSmart",PageUp:"goPageUp",PageDown:"goPageDown",Delete:"delCharAfter",Backspace:"delCharBefore","Shift-Backspace":"delCharBefore",Tab:"defaultTab","Shift-Tab":"indentAuto",Enter:"newlineAndIndent",Insert:"toggleOverwrite",Esc:"singleSelection"},ul.pcDefault={"Ctrl-A":"selectAll","Ctrl-D":"deleteLine","Ctrl-Z":"undo","Shift-Ctrl-Z":"redo","Ctrl-Y":"redo","Ctrl-Home":"goDocStart","Ctrl-End":"goDocEnd","Ctrl-Up":"goLineUp","Ctrl-Down":"goLineDown","Ctrl-Left":"goGroupLeft","Ctrl-Right":"goGroupRight","Alt-Left":"goLineStart","Alt-Right":"goLineEnd","Ctrl-Backspace":"delGroupBefore","Ctrl-Delete":"delGroupAfter","Ctrl-S":"save","Ctrl-F":"find","Ctrl-G":"findNext","Shift-Ctrl-G":"findPrev","Shift-Ctrl-F":"replace","Shift-Ctrl-R":"replaceAll","Ctrl-[":"indentLess","Ctrl-]":"indentMore","Ctrl-U":"undoSelection","Shift-Ctrl-U":"redoSelection","Alt-U":"redoSelection",fallthrough:"basic"},ul.emacsy={"Ctrl-F":"goCharRight","Ctrl-B":"goCharLeft","Ctrl-P":"goLineUp","Ctrl-N":"goLineDown","Alt-F":"goWordRight","Alt-B":"goWordLeft","Ctrl-A":"goLineStart","Ctrl-E":"goLineEnd","Ctrl-V":"goPageDown","Shift-Ctrl-V":"goPageUp","Ctrl-D":"delCharAfter","Ctrl-H":"delCharBefore","Alt-D":"delWordAfter","Alt-Backspace":"delWordBefore","Ctrl-K":"killLine","Ctrl-T":"transposeChars"},ul.macDefault={"Cmd-A":"selectAll","Cmd-D":"deleteLine","Cmd-Z":"undo","Shift-Cmd-Z":"redo","Cmd-Y":"redo","Cmd-Home":"goDocStart","Cmd-Up":"goDocStart","Cmd-End":"goDocEnd","Cmd-Down":"goDocEnd","Alt-Left":"goGroupLeft","Alt-Right":"goGroupRight","Cmd-Left":"goLineLeft","Cmd-Right":"goLineRight","Alt-Backspace":"delGroupBefore","Ctrl-Alt-Backspace":"delGroupAfter","Alt-Delete":"delGroupAfter","Cmd-S":"save","Cmd-F":"find","Cmd-G":"findNext","Shift-Cmd-G":"findPrev","Cmd-Alt-F":"replace","Shift-Cmd-Alt-F":"replaceAll","Cmd-[":"indentLess","Cmd-]":"indentMore","Cmd-Backspace":"delWrappedLineLeft","Cmd-Delete":"delWrappedLineRight","Cmd-U":"undoSelection","Shift-Cmd-U":"redoSelection","Ctrl-Up":"goDocStart","Ctrl-Down":"goDocEnd",fallthrough:["basic","emacsy"]},ul["default"]=Oo?ul.macDefault:ul.pcDefault,e.normalizeKeyMap=function(e){var t={};for(var n in e)if(e.hasOwnProperty(n)){var r=e[n];if(/^(name|fallthrough|(de|at)tach)$/.test(n))continue;if("..."==r){delete e[n];continue}for(var i=Ei(n.split(" "),$n),o=0;o=this.string.length},sol:function(){return this.pos==this.lineStart},peek:function(){return this.string.charAt(this.pos)||void 0},next:function(){return this.post},eatSpace:function(){for(var e=this.pos;/[\s\u00a0]/.test(this.string.charAt(this.pos));)++this.pos;return this.pos>e},skipToEnd:function(){this.pos=this.string.length},skipTo:function(e){var t=this.string.indexOf(e,this.pos);return t>-1?(this.pos=t,!0):void 0},backUp:function(e){this.pos-=e},column:function(){return this.lastColumnPos0?null:(r&&t!==!1&&(this.pos+=r[0].length),r)}var i=function(e){return n?e.toLowerCase():e},o=this.string.substr(this.pos,e.length);return i(o)==i(e)?(t!==!1&&(this.pos+=e.length),!0):void 0},current:function(){return this.string.slice(this.start,this.pos)},hideFirstChars:function(e,t){this.lineStart+=e;try{return t()}finally{this.lineStart-=e}}};var ml=0,gl=e.TextMarker=function(e,t){this.lines=[],this.type=t,this.doc=e,this.id=++ml};Ai(gl),gl.prototype.clear=function(){if(!this.explicitlyCleared){var e=this.doc.cm,t=e&&!e.curOp;if(t&&bt(e),Ni(this,"clear")){var n=this.find();n&&Si(this,"clear",n.from,n.to)}for(var r=null,i=null,o=0;oe.display.maxLineLength&&(e.display.maxLine=s,e.display.maxLineLength=c,e.display.maxLineChanged=!0)}null!=r&&e&&this.collapsed&&Dt(e,r,i+1),this.lines.length=0,this.explicitlyCleared=!0,this.atomic&&this.doc.cantEdit&&(this.doc.cantEdit=!1,e&&Ae(e.doc)),e&&Si(e,"markerCleared",e,this),t&&kt(e),this.parent&&this.parent.clear()}},gl.prototype.find=function(e,t){null==e&&"bookmark"==this.type&&(e=1);for(var n,r,i=0;in;++n){var 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c=this.codemirror;c.on("change",function(){c.save()})}this.gui={},t.toolbar!==!1&&(this.gui.toolbar=this.createToolbar()),t.status!==!1&&(this.gui.statusbar=this.createStatusbar()),void 0!=t.autosave&&t.autosave.enabled===!0&&this.autosave(),this.gui.sideBySide=this.createSideBySide(),this._rendered=this.element}},z.prototype.autosave=function(){if(R()){var e=this;if(void 0==this.options.autosave.uniqueId||""==this.options.autosave.uniqueId)return void console.log("SimpleMDE: You must set a uniqueId to use the autosave feature");null!=e.element.form&&void 0!=e.element.form&&e.element.form.addEventListener("submit",function(){localStorage.removeItem("smde_"+e.options.autosave.uniqueId)}),this.options.autosave.loaded!==!0&&("string"==typeof localStorage.getItem("smde_"+this.options.autosave.uniqueId)&&""!=localStorage.getItem("smde_"+this.options.autosave.uniqueId)&&(this.codemirror.setValue(localStorage.getItem("smde_"+this.options.autosave.uniqueId)),this.options.autosave.foundSavedValue=!0),this.options.autosave.loaded=!0),localStorage.setItem("smde_"+this.options.autosave.uniqueId,e.value());var t=document.getElementById("autosaved");if(null!=t&&void 0!=t&&""!=t){var n=new Date,r=n.getHours(),i=n.getMinutes(),o="am",l=r;l>=12&&(l=r-12,o="pm"),0==l&&(l=12),i=10>i?"0"+i:i,t.innerHTML="Autosaved: "+l+":"+i+" "+o}this.autosaveTimeoutId=setTimeout(function(){e.autosave()},this.options.autosave.delay||1e4)}else console.log("SimpleMDE: localStorage not available, cannot autosave")},z.prototype.clearAutosavedValue=function(){if(R()){if(void 0==this.options.autosave||void 0==this.options.autosave.uniqueId||""==this.options.autosave.uniqueId)return void console.log("SimpleMDE: You must set a uniqueId to clear the autosave value");localStorage.removeItem("smde_"+this.options.autosave.uniqueId)}else console.log("SimpleMDE: localStorage not available, cannot autosave")},z.prototype.createSideBySide=function(){var e=this.codemirror,t=e.getWrapperElement(),n=t.nextSibling;n&&/editor-preview-side/.test(n.className)||(n=document.createElement("div"),n.className="editor-preview-side",t.parentNode.insertBefore(n,t.nextSibling));var r=!1,i=!1;return e.on("scroll",function(e){if(r)return void(r=!1);i=!0;var t=e.getScrollInfo().height-e.getScrollInfo().clientHeight,o=parseFloat(e.getScrollInfo().top)/t,l=(n.scrollHeight-n.clientHeight)*o;n.scrollTop=l}),n.onscroll=function(){if(i)return void(i=!1);r=!0;var t=n.scrollHeight-n.clientHeight,o=parseFloat(n.scrollTop)/t,l=(e.getScrollInfo().height-e.getScrollInfo().clientHeight)*o;e.scrollTo(0,l)},n},z.prototype.createToolbar=function(e){if(e=e||this.options.toolbar,e&&0!==e.length){var t;for(t=0;t= 0 && j < len ? [ this[ j ] ] : [] ); - }, - end: function() { - return this.prevObject || this.constructor(); - }, + /** + * Action for toggling italic. + */ + function toggleItalic(editor) { + _toggleBlock(editor, "italic", editor.options.blockStyles.italic); + } - // For internal use only. - // Behaves like an Array's method, not like a jQuery method. - push: push, - sort: arr.sort, - splice: arr.splice - }; - jQuery.extend = jQuery.fn.extend = function() { - var options, name, src, copy, copyIsArray, clone, - target = arguments[ 0 ] || {}, - i = 1, - length = arguments.length, - deep = false; + /** + * Action for toggling strikethrough. + */ + function toggleStrikethrough(editor) { + _toggleBlock(editor, "strikethrough", "~~"); + } - // Handle a deep copy situation - if ( typeof target === "boolean" ) { - deep = target; + /** + * Action for toggling code block. + */ + function toggleCodeBlock(editor) { + var fenceCharsToInsert = editor.options.blockStyles.code; - // Skip the boolean and the target - target = arguments[ i ] || {}; - i++; + function fencing_line(line) { + /* return true, if this is a ``` or ~~~ line */ + if(typeof line !== "object") { + throw "fencing_line() takes a 'line' object (not a line number, or line text). Got: " + typeof line + ": " + line; + } + return line.styles && line.styles[2] && line.styles[2].indexOf("formatting-code-block") !== -1; } - // Handle case when target is a string or something (possible in deep copy) - if ( typeof target !== "object" && !jQuery.isFunction( target ) ) { - target = {}; + function token_state(token) { + // base goes an extra level deep when mode backdrops are used, e.g. spellchecker on + return token.state.base.base || token.state.base; } - // Extend jQuery itself if only one argument is passed - if ( i === length ) { - target = this; - i--; + function code_type(cm, line_num, line, firstTok, lastTok) { + /* + * Return "single", "indented", "fenced" or false + * + * cm and line_num are required. Others are optional for efficiency + * To check in the middle of a line, pass in firstTok yourself. + */ + line = line || cm.getLineHandle(line_num); + firstTok = firstTok || cm.getTokenAt({ + line: line_num, + ch: 1 + }); + lastTok = lastTok || (!!line.text && cm.getTokenAt({ + line: line_num, + ch: line.text.length - 1 + })); + var types = firstTok.type ? firstTok.type.split(" ") : []; + if(lastTok && token_state(lastTok).indentedCode) { + // have to check last char, since first chars of first line aren"t marked as indented + return "indented"; + } else if(types.indexOf("comment") === -1) { + // has to be after "indented" check, since first chars of first indented line aren"t marked as such + return false; + } else if(token_state(firstTok).fencedChars || token_state(lastTok).fencedChars || fencing_line(line)) { + return "fenced"; + } else { + return "single"; + } } - for ( ; i < length; i++ ) { - - // Only deal with non-null/undefined values - if ( ( options = arguments[ i ] ) != null ) { - - // Extend the base object - for ( name in options ) { - src = target[ name ]; - copy = options[ name ]; + function insertFencingAtSelection(cm, cur_start, cur_end, fenceCharsToInsert) { + var start_line_sel = cur_start.line + 1, + end_line_sel = cur_end.line + 1, + sel_multi = cur_start.line !== cur_end.line, + repl_start = fenceCharsToInsert + "\n", + repl_end = "\n" + fenceCharsToInsert; + if(sel_multi) { + end_line_sel++; + } + // handle last char including \n or not + if(sel_multi && cur_end.ch === 0) { + repl_end = fenceCharsToInsert + "\n"; + end_line_sel--; + } + _replaceSelection(cm, false, [repl_start, repl_end]); + cm.setSelection({ + line: start_line_sel, + ch: 0 + }, { + line: end_line_sel, + ch: 0 + }); + } - // Prevent never-ending loop - if ( target === copy ) { - continue; + var cm = editor.codemirror, + cur_start = cm.getCursor("start"), + cur_end = cm.getCursor("end"), + tok = cm.getTokenAt({ + line: cur_start.line, + ch: cur_start.ch || 1 + }), // avoid ch 0 which is a cursor pos but not token + line = cm.getLineHandle(cur_start.line), + is_code = code_type(cm, cur_start.line, line, tok); + var block_start, block_end, lineCount; + + if(is_code === "single") { + // similar to some SimpleMDE _toggleBlock logic + var start = line.text.slice(0, cur_start.ch).replace("`", ""), + end = line.text.slice(cur_start.ch).replace("`", ""); + cm.replaceRange(start + end, { + line: cur_start.line, + ch: 0 + }, { + line: cur_start.line, + ch: 99999999999999 + }); + cur_start.ch--; + if(cur_start !== cur_end) { + cur_end.ch--; + } + cm.setSelection(cur_start, cur_end); + cm.focus(); + } else if(is_code === "fenced") { + if(cur_start.line !== cur_end.line || cur_start.ch !== cur_end.ch) { + // use selection + + // find the fenced line so we know what type it is (tilde, backticks, number of them) + for(block_start = cur_start.line; block_start >= 0; block_start--) { + line = cm.getLineHandle(block_start); + if(fencing_line(line)) { + break; } - - // Recurse if we're merging plain objects or arrays - if ( deep && copy && ( jQuery.isPlainObject( copy ) || - ( copyIsArray = jQuery.isArray( copy ) ) ) ) { - - if ( copyIsArray ) { - copyIsArray = false; - clone = src && jQuery.isArray( src ) ? src : []; - + } + var fencedTok = cm.getTokenAt({ + line: block_start, + ch: 1 + }); + var fence_chars = token_state(fencedTok).fencedChars; + var start_text, start_line; + var end_text, end_line; + // check for selection going up against fenced lines, in which case we don't want to add more fencing + if(fencing_line(cm.getLineHandle(cur_start.line))) { + start_text = ""; + start_line = cur_start.line; + } else if(fencing_line(cm.getLineHandle(cur_start.line - 1))) { + start_text = ""; + start_line = cur_start.line - 1; + } else { + start_text = fence_chars + "\n"; + start_line = cur_start.line; + } + if(fencing_line(cm.getLineHandle(cur_end.line))) { + end_text = ""; + end_line = cur_end.line; + if(cur_end.ch === 0) { + end_line += 1; + } + } else if(cur_end.ch !== 0 && fencing_line(cm.getLineHandle(cur_end.line + 1))) { + end_text = ""; + end_line = cur_end.line + 1; + } else { + end_text = fence_chars + "\n"; + end_line = cur_end.line + 1; + } + if(cur_end.ch === 0) { + // full last line selected, putting cursor at beginning of next + end_line -= 1; + } + cm.operation(function() { + // end line first, so that line numbers don't change + cm.replaceRange(end_text, { + line: end_line, + ch: 0 + }, { + line: end_line + (end_text ? 0 : 1), + ch: 0 + }); + cm.replaceRange(start_text, { + line: start_line, + ch: 0 + }, { + line: start_line + (start_text ? 0 : 1), + ch: 0 + }); + }); + cm.setSelection({ + line: start_line + (start_text ? 1 : 0), + ch: 0 + }, { + line: end_line + (start_text ? 1 : -1), + ch: 0 + }); + cm.focus(); + } else { + // no selection, search for ends of this fenced block + var search_from = cur_start.line; + if(fencing_line(cm.getLineHandle(cur_start.line))) { // gets a little tricky if cursor is right on a fenced line + if(code_type(cm, cur_start.line + 1) === "fenced") { + block_start = cur_start.line; + search_from = cur_start.line + 1; // for searching for "end" + } else { + block_end = cur_start.line; + search_from = cur_start.line - 1; // for searching for "start" + } + } + if(block_start === undefined) { + for(block_start = search_from; block_start >= 0; block_start--) { + line = cm.getLineHandle(block_start); + if(fencing_line(line)) { + break; + } + } + } + if(block_end === undefined) { + lineCount = cm.lineCount(); + for(block_end = search_from; block_end < lineCount; block_end++) { + line = cm.getLineHandle(block_end); + if(fencing_line(line)) { + break; + } + } + } + cm.operation(function() { + cm.replaceRange("", { + line: block_start, + ch: 0 + }, { + line: block_start + 1, + ch: 0 + }); + cm.replaceRange("", { + line: block_end - 1, + ch: 0 + }, { + line: block_end, + ch: 0 + }); + }); + cm.focus(); + } + } else if(is_code === "indented") { + if(cur_start.line !== cur_end.line || cur_start.ch !== cur_end.ch) { + // use selection + block_start = cur_start.line; + block_end = cur_end.line; + if(cur_end.ch === 0) { + block_end--; + } + } else { + // no selection, search for ends of this indented block + for(block_start = cur_start.line; block_start >= 0; block_start--) { + line = cm.getLineHandle(block_start); + if(line.text.match(/^\s*$/)) { + // empty or all whitespace - keep going + continue; + } else { + if(code_type(cm, block_start, line) !== "indented") { + block_start += 1; + break; + } + } + } + lineCount = cm.lineCount(); + for(block_end = cur_start.line; block_end < lineCount; block_end++) { + line = cm.getLineHandle(block_end); + if(line.text.match(/^\s*$/)) { + // empty or all whitespace - keep going + continue; + } else { + if(code_type(cm, block_end, line) !== "indented") { + block_end -= 1; + break; + } + } + } + } + // if we are going to un-indent based on a selected set of lines, and the next line is indented too, we need to + // insert a blank line so that the next line(s) continue to be indented code + var next_line = cm.getLineHandle(block_end + 1), + next_line_last_tok = next_line && cm.getTokenAt({ + line: block_end + 1, + ch: next_line.text.length - 1 + }), + next_line_indented = next_line_last_tok && token_state(next_line_last_tok).indentedCode; + if(next_line_indented) { + cm.replaceRange("\n", { + line: block_end + 1, + ch: 0 + }); + } + + for(var i = block_start; i <= block_end; i++) { + cm.indentLine(i, "subtract"); // TODO: this doesn't get tracked in the history, so can't be undone :( + } + cm.focus(); + } else { + // insert code formatting + var no_sel_and_starting_of_line = (cur_start.line === cur_end.line && cur_start.ch === cur_end.ch && cur_start.ch === 0); + var sel_multi = cur_start.line !== cur_end.line; + if(no_sel_and_starting_of_line || sel_multi) { + insertFencingAtSelection(cm, cur_start, cur_end, fenceCharsToInsert); + } else { + _replaceSelection(cm, false, ["`", "`"]); + } + } + } + + /** + * Action for toggling blockquote. + */ + function toggleBlockquote(editor) { + var cm = editor.codemirror; + _toggleLine(cm, "quote"); + } + + /** + * Action for toggling heading size: normal -> h1 -> h2 -> h3 -> h4 -> h5 -> h6 -> normal + */ + function toggleHeadingSmaller(editor) { + var cm = editor.codemirror; + _toggleHeading(cm, "smaller"); + } + + /** + * Action for toggling heading size: normal -> h6 -> h5 -> h4 -> h3 -> h2 -> h1 -> normal + */ + function toggleHeadingBigger(editor) { + var cm = editor.codemirror; + _toggleHeading(cm, "bigger"); + } + + /** + * Action for toggling heading size 1 + */ + function toggleHeading1(editor) { + var cm = editor.codemirror; + _toggleHeading(cm, undefined, 1); + } + + /** + * Action for toggling heading size 2 + */ + function toggleHeading2(editor) { + var cm = editor.codemirror; + _toggleHeading(cm, undefined, 2); + } + + /** + * Action for toggling heading size 3 + */ + function toggleHeading3(editor) { + var cm = editor.codemirror; + _toggleHeading(cm, undefined, 3); + } + + + /** + * Action for toggling ul. + */ + function toggleUnorderedList(editor) { + var cm = editor.codemirror; + _toggleLine(cm, "unordered-list"); + } + + + /** + * Action for toggling ol. + */ + function toggleOrderedList(editor) { + var cm = editor.codemirror; + _toggleLine(cm, "ordered-list"); + } + + /** + * Action for clean block (remove headline, list, blockquote code, markers) + */ + function cleanBlock(editor) { + var cm = editor.codemirror; + _cleanBlock(cm); + } + + /** + * Action for drawing a link. + */ + function drawLink(editor) { + var cm = editor.codemirror; + var stat = getState(cm); + var options = editor.options; + var url = "http://"; + if(options.promptURLs) { + url = prompt(options.promptTexts.link); + if(!url) { + return false; + } + } + _replaceSelection(cm, stat.link, options.insertTexts.link, url); + } + + /** + * Action for drawing an img. + */ + function drawImage(editor) { + var cm = editor.codemirror; + var stat = getState(cm); + var options = editor.options; + var url = "http://"; + if(options.promptURLs) { + url = prompt(options.promptTexts.image); + if(!url) { + return false; + } + } + _replaceSelection(cm, stat.image, options.insertTexts.image, url); + } + + /** + * Action for drawing a table. + */ + function drawTable(editor) { + var cm = editor.codemirror; + var stat = getState(cm); + var options = editor.options; + _replaceSelection(cm, stat.table, options.insertTexts.table); + } + + /** + * Action for drawing a horizontal rule. + */ + function drawHorizontalRule(editor) { + var cm = editor.codemirror; + var stat = getState(cm); + var options = editor.options; + _replaceSelection(cm, stat.image, options.insertTexts.horizontalRule); + } + + + /** + * Undo action. + */ + function undo(editor) { + var cm = editor.codemirror; + cm.undo(); + cm.focus(); + } + + + /** + * Redo action. + */ + function redo(editor) { + var cm = editor.codemirror; + cm.redo(); + cm.focus(); + } + + + /** + * Toggle side by side preview + */ + function toggleSideBySide(editor) { + var cm = editor.codemirror; + var wrapper = cm.getWrapperElement(); + var preview = wrapper.nextSibling; + var toolbarButton = editor.toolbarElements["side-by-side"]; + var useSideBySideListener = false; + if(/editor-preview-active-side/.test(preview.className)) { + preview.className = preview.className.replace( + /\s*editor-preview-active-side\s*/g, "" + ); + toolbarButton.className = toolbarButton.className.replace(/\s*active\s*/g, ""); + wrapper.className = wrapper.className.replace(/\s*CodeMirror-sided\s*/g, " "); + } else { + // When the preview button is clicked for the first time, + // give some time for the transition from editor.css to fire and the view to slide from right to left, + // instead of just appearing. + setTimeout(function() { + if(!cm.getOption("fullScreen")) + toggleFullScreen(editor); + preview.className += " editor-preview-active-side"; + }, 1); + toolbarButton.className += " active"; + wrapper.className += " CodeMirror-sided"; + useSideBySideListener = true; + } + + // Hide normal preview if active + var previewNormal = wrapper.lastChild; + if(/editor-preview-active/.test(previewNormal.className)) { + previewNormal.className = previewNormal.className.replace( + /\s*editor-preview-active\s*/g, "" + ); + var toolbar = editor.toolbarElements.preview; + var toolbar_div = wrapper.previousSibling; + toolbar.className = toolbar.className.replace(/\s*active\s*/g, ""); + toolbar_div.className = toolbar_div.className.replace(/\s*disabled-for-preview*/g, ""); + } + + var sideBySideRenderingFunction = function() { + preview.innerHTML = editor.options.previewRender(editor.value(), preview); + }; + + if(!cm.sideBySideRenderingFunction) { + cm.sideBySideRenderingFunction = sideBySideRenderingFunction; + } + + if(useSideBySideListener) { + preview.innerHTML = editor.options.previewRender(editor.value(), preview); + cm.on("update", cm.sideBySideRenderingFunction); + } else { + cm.off("update", cm.sideBySideRenderingFunction); + } + + // Refresh to fix selection being off (#309) + cm.refresh(); + } + + + /** + * Preview action. + */ + function togglePreview(editor) { + var cm = editor.codemirror; + var wrapper = cm.getWrapperElement(); + var toolbar_div = wrapper.previousSibling; + var toolbar = editor.options.toolbar ? editor.toolbarElements.preview : false; + var preview = wrapper.lastChild; + if(!preview || !/editor-preview/.test(preview.className)) { + preview = document.createElement("div"); + preview.className = "editor-preview"; + wrapper.appendChild(preview); + } + if(/editor-preview-active/.test(preview.className)) { + preview.className = preview.className.replace( + /\s*editor-preview-active\s*/g, "" + ); + if(toolbar) { + toolbar.className = toolbar.className.replace(/\s*active\s*/g, ""); + toolbar_div.className = toolbar_div.className.replace(/\s*disabled-for-preview*/g, ""); + } + } else { + // When the preview button is clicked for the first time, + // give some time for the transition from editor.css to fire and the view to slide from right to left, + // instead of just appearing. + setTimeout(function() { + preview.className += " editor-preview-active"; + }, 1); + if(toolbar) { + toolbar.className += " active"; + toolbar_div.className += " disabled-for-preview"; + } + } + preview.innerHTML = editor.options.previewRender(editor.value(), preview); + + // Turn off side by side if needed + var sidebyside = cm.getWrapperElement().nextSibling; + if(/editor-preview-active-side/.test(sidebyside.className)) + toggleSideBySide(editor); + } + + function _replaceSelection(cm, active, startEnd, url) { + if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className)) + return; + + var text; + var start = startEnd[0]; + var end = startEnd[1]; + var startPoint = cm.getCursor("start"); + var endPoint = cm.getCursor("end"); + if(url) { + end = end.replace("#url#", url); + } + if(active) { + text = cm.getLine(startPoint.line); + start = text.slice(0, startPoint.ch); + end = text.slice(startPoint.ch); + cm.replaceRange(start + end, { + line: startPoint.line, + ch: 0 + }); + } else { + text = cm.getSelection(); + cm.replaceSelection(start + text + end); + + startPoint.ch += start.length; + if(startPoint !== endPoint) { + endPoint.ch += start.length; + } + } + cm.setSelection(startPoint, endPoint); + cm.focus(); + } + + + function _toggleHeading(cm, direction, size) { + if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className)) + return; + + var startPoint = cm.getCursor("start"); + var endPoint = cm.getCursor("end"); + for(var i = startPoint.line; i <= endPoint.line; i++) { + (function(i) { + var text = cm.getLine(i); + var currHeadingLevel = text.search(/[^#]/); + + if(direction !== undefined) { + if(currHeadingLevel <= 0) { + if(direction == "bigger") { + text = "###### " + text; + } else { + text = "# " + text; + } + } else if(currHeadingLevel == 6 && direction == "smaller") { + text = text.substr(7); + } else if(currHeadingLevel == 1 && direction == "bigger") { + text = text.substr(2); + } else { + if(direction == "bigger") { + text = text.substr(1); + } else { + text = "#" + text; + } + } + } else { + if(size == 1) { + if(currHeadingLevel <= 0) { + text = "# " + text; + } else if(currHeadingLevel == size) { + text = text.substr(currHeadingLevel + 1); + } else { + text = "# " + text.substr(currHeadingLevel + 1); + } + } else if(size == 2) { + if(currHeadingLevel <= 0) { + text = "## " + text; + } else if(currHeadingLevel == size) { + text = text.substr(currHeadingLevel + 1); + } else { + text = "## " + text.substr(currHeadingLevel + 1); + } + } else { + if(currHeadingLevel <= 0) { + text = "### " + text; + } else if(currHeadingLevel == size) { + text = text.substr(currHeadingLevel + 1); + } else { + text = "### " + text.substr(currHeadingLevel + 1); + } + } + } + + cm.replaceRange(text, { + line: i, + ch: 0 + }, { + line: i, + ch: 99999999999999 + }); + })(i); + } + cm.focus(); + } + + + function _toggleLine(cm, name) { + if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className)) + return; + + var stat = getState(cm); + var startPoint = cm.getCursor("start"); + var endPoint = cm.getCursor("end"); + var repl = { + "quote": /^(\s*)\>\s+/, + "unordered-list": /^(\s*)(\*|\-|\+)\s+/, + "ordered-list": /^(\s*)\d+\.\s+/ + }; + var map = { + "quote": "> ", + "unordered-list": "* ", + "ordered-list": "1. " + }; + for(var i = startPoint.line; i <= endPoint.line; i++) { + (function(i) { + var text = cm.getLine(i); + if(stat[name]) { + text = text.replace(repl[name], "$1"); + } else { + text = map[name] + text; + } + cm.replaceRange(text, { + line: i, + ch: 0 + }, { + line: i, + ch: 99999999999999 + }); + })(i); + } + cm.focus(); + } + + function _toggleBlock(editor, type, start_chars, end_chars) { + if(/editor-preview-active/.test(editor.codemirror.getWrapperElement().lastChild.className)) + return; + + end_chars = (typeof end_chars === "undefined") ? start_chars : end_chars; + var cm = editor.codemirror; + var stat = getState(cm); + + var text; + var start = start_chars; + var end = end_chars; + + var startPoint = cm.getCursor("start"); + var endPoint = cm.getCursor("end"); + + if(stat[type]) { + text = cm.getLine(startPoint.line); + start = text.slice(0, startPoint.ch); + end = text.slice(startPoint.ch); + if(type == "bold") { + start = start.replace(/(\*\*|__)(?![\s\S]*(\*\*|__))/, ""); + end = end.replace(/(\*\*|__)/, ""); + } else if(type == "italic") { + start = start.replace(/(\*|_)(?![\s\S]*(\*|_))/, ""); + end = end.replace(/(\*|_)/, ""); + } else if(type == "strikethrough") { + start = start.replace(/(\*\*|~~)(?![\s\S]*(\*\*|~~))/, ""); + end = end.replace(/(\*\*|~~)/, ""); + } + cm.replaceRange(start + end, { + line: startPoint.line, + ch: 0 + }, { + line: startPoint.line, + ch: 99999999999999 + }); + + if(type == "bold" || type == "strikethrough") { + startPoint.ch -= 2; + if(startPoint !== endPoint) { + endPoint.ch -= 2; + } + } else if(type == "italic") { + startPoint.ch -= 1; + if(startPoint !== endPoint) { + endPoint.ch -= 1; + } + } + } else { + text = cm.getSelection(); + if(type == "bold") { + text = text.split("**").join(""); + text = text.split("__").join(""); + } else if(type == "italic") { + text = text.split("*").join(""); + text = text.split("_").join(""); + } else if(type == "strikethrough") { + text = text.split("~~").join(""); + } + cm.replaceSelection(start + text + end); + + startPoint.ch += start_chars.length; + endPoint.ch = startPoint.ch + text.length; + } + + cm.setSelection(startPoint, endPoint); + cm.focus(); + } + + function _cleanBlock(cm) { + if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className)) + return; + + var startPoint = cm.getCursor("start"); + var endPoint = cm.getCursor("end"); + var text; + + for(var line = startPoint.line; line <= endPoint.line; line++) { + text = cm.getLine(line); + text = text.replace(/^[ ]*([# ]+|\*|\-|[> ]+|[0-9]+(.|\)))[ ]*/, ""); + + cm.replaceRange(text, { + line: line, + ch: 0 + }, { + line: line, + ch: 99999999999999 + }); + } + } + + // Merge the properties of one object into another. + function _mergeProperties(target, source) { + for(var property in source) { + if(source.hasOwnProperty(property)) { + if(source[property] instanceof Array) { + target[property] = source[property].concat(target[property] instanceof Array ? target[property] : []); + } else if( + source[property] !== null && + typeof source[property] === "object" && + source[property].constructor === Object + ) { + target[property] = _mergeProperties(target[property] || {}, source[property]); + } else { + target[property] = source[property]; + } + } + } + + return target; + } + + // Merge an arbitrary number of objects into one. + function extend(target) { + for(var i = 1; i < arguments.length; i++) { + target = _mergeProperties(target, arguments[i]); + } + + return target; + } + + /* The right word count in respect for CJK. */ + function wordCount(data) { + var pattern = /[a-zA-Z0-9_\u0392-\u03c9\u0410-\u04F9]+|[\u4E00-\u9FFF\u3400-\u4dbf\uf900-\ufaff\u3040-\u309f\uac00-\ud7af]+/g; + var m = data.match(pattern); + var count = 0; + if(m === null) return count; + for(var i = 0; i < m.length; i++) { + if(m[i].charCodeAt(0) >= 0x4E00) { + count += m[i].length; + } else { + count += 1; + } + } + return count; + } + + var toolbarBuiltInButtons = { + "bold": { + name: "bold", + action: toggleBold, + className: "fa fa-bold", + title: "Bold", + default: true + }, + "italic": { + name: "italic", + action: toggleItalic, + className: "fa fa-italic", + title: "Italic", + default: true + }, + "strikethrough": { + name: "strikethrough", + action: toggleStrikethrough, + className: "fa fa-strikethrough", + title: "Strikethrough" + }, + "heading": { + name: "heading", + action: toggleHeadingSmaller, + className: "fa fa-header", + title: "Heading", + default: true + }, + "heading-smaller": { + name: "heading-smaller", + action: toggleHeadingSmaller, + className: "fa fa-header fa-header-x fa-header-smaller", + title: "Smaller Heading" + }, + "heading-bigger": { + name: "heading-bigger", + action: toggleHeadingBigger, + className: "fa fa-header fa-header-x fa-header-bigger", + title: "Bigger Heading" + }, + "heading-1": { + name: "heading-1", + action: toggleHeading1, + className: "fa fa-header fa-header-x fa-header-1", + title: "Big Heading" + }, + "heading-2": { + name: "heading-2", + action: toggleHeading2, + className: "fa fa-header fa-header-x fa-header-2", + title: "Medium Heading" + }, + "heading-3": { + name: "heading-3", + action: toggleHeading3, + className: "fa fa-header fa-header-x fa-header-3", + title: "Small Heading" + }, + "separator-1": { + name: "separator-1" + }, + "code": { + name: "code", + action: toggleCodeBlock, + className: "fa fa-code", + title: "Code" + }, + "quote": { + name: "quote", + action: toggleBlockquote, + className: "fa fa-quote-left", + title: "Quote", + default: true + }, + "unordered-list": { + name: "unordered-list", + action: toggleUnorderedList, + className: "fa fa-list-ul", + title: "Generic List", + default: true + }, + "ordered-list": { + name: "ordered-list", + action: toggleOrderedList, + className: "fa fa-list-ol", + title: "Numbered List", + default: true + }, + "clean-block": { + name: "clean-block", + action: cleanBlock, + className: "fa fa-eraser fa-clean-block", + title: "Clean block" + }, + "separator-2": { + name: "separator-2" + }, + "link": { + name: "link", + action: drawLink, + className: "fa fa-link", + title: "Create Link", + default: true + }, + "image": { + name: "image", + action: drawImage, + className: "fa fa-picture-o", + title: "Insert Image", + default: true + }, + "table": { + name: "table", + action: drawTable, + className: "fa fa-table", + title: "Insert Table" + }, + "horizontal-rule": { + name: "horizontal-rule", + action: drawHorizontalRule, + className: "fa fa-minus", + title: "Insert Horizontal Line" + }, + "separator-3": { + name: "separator-3" + }, + "preview": { + name: "preview", + action: togglePreview, + className: "fa fa-eye no-disable", + title: "Toggle Preview", + default: true + }, + "side-by-side": { + name: "side-by-side", + action: toggleSideBySide, + className: "fa fa-columns no-disable no-mobile", + title: "Toggle Side by Side", + default: true + }, + "fullscreen": { + name: "fullscreen", + action: toggleFullScreen, + className: "fa fa-arrows-alt no-disable no-mobile", + title: "Toggle Fullscreen", + default: true + }, + "separator-4": { + name: "separator-4" + }, + "guide": { + name: "guide", + action: "https://simplemde.com/markdown-guide", + className: "fa fa-question-circle", + title: "Markdown Guide", + default: true + }, + "separator-5": { + name: "separator-5" + }, + "undo": { + name: "undo", + action: undo, + className: "fa fa-undo no-disable", + title: "Undo" + }, + "redo": { + name: "redo", + action: redo, + className: "fa fa-repeat no-disable", + title: "Redo" + } + }; + + var insertTexts = { + link: ["[", "](#url#)"], + image: ["![](", "#url#)"], + table: ["", "\n\n| Column 1 | Column 2 | Column 3 |\n| -------- | -------- | -------- |\n| Text | Text | Text |\n\n"], + horizontalRule: ["", "\n\n-----\n\n"] + }; + + var promptTexts = { + link: "URL for the link:", + image: "URL of the image:" + }; + + var blockStyles = { + "bold": "**", + "code": "```", + "italic": "*" + }; + + /** + * Interface of SimpleMDE. + */ + function SimpleMDE(options) { + // Handle options parameter + options = options || {}; + + + // Used later to refer to it"s parent + options.parent = this; + + + // Check if Font Awesome needs to be auto downloaded + var autoDownloadFA = true; + + if(options.autoDownloadFontAwesome === false) { + autoDownloadFA = false; + } + + if(options.autoDownloadFontAwesome !== true) { + var styleSheets = document.styleSheets; + for(var i = 0; i < styleSheets.length; i++) { + if(!styleSheets[i].href) + continue; + + if(styleSheets[i].href.indexOf("//maxcdn.bootstrapcdn.com/font-awesome/") > -1) { + autoDownloadFA = false; + } + } + } + + if(autoDownloadFA) { + var link = document.createElement("link"); + link.rel = "stylesheet"; + link.href = "https://maxcdn.bootstrapcdn.com/font-awesome/latest/css/font-awesome.min.css"; + document.getElementsByTagName("head")[0].appendChild(link); + } + + + // Find the textarea to use + if(options.element) { + this.element = options.element; + } else if(options.element === null) { + // This means that the element option was specified, but no element was found + console.log("SimpleMDE: Error. No element was found."); + return; + } + + + // Handle toolbar + if(options.toolbar === undefined) { + // Initialize + options.toolbar = []; + + + // Loop over the built in buttons, to get the preferred order + for(var key in toolbarBuiltInButtons) { + if(toolbarBuiltInButtons.hasOwnProperty(key)) { + if(key.indexOf("separator-") != -1) { + options.toolbar.push("|"); + } + + if(toolbarBuiltInButtons[key].default === true || (options.showIcons && options.showIcons.constructor === Array && options.showIcons.indexOf(key) != -1)) { + options.toolbar.push(key); + } + } + } + } + + + // Handle status bar + if(!options.hasOwnProperty("status")) { + options.status = ["autosave", "lines", "words", "cursor"]; + } + + + // Add default preview rendering function + if(!options.previewRender) { + options.previewRender = function(plainText) { + // Note: "this" refers to the options object + return this.parent.markdown(plainText); + }; + } + + + // Set default options for parsing config + options.parsingConfig = extend({ + highlightFormatting: true // needed for toggleCodeBlock to detect types of code + }, options.parsingConfig || {}); + + + // Merging the insertTexts, with the given options + options.insertTexts = extend({}, insertTexts, options.insertTexts || {}); + + + // Merging the promptTexts, with the given options + options.promptTexts = promptTexts; + + + // Merging the blockStyles, with the given options + options.blockStyles = extend({}, blockStyles, options.blockStyles || {}); + + + // Merging the shortcuts, with the given options + options.shortcuts = extend({}, shortcuts, options.shortcuts || {}); + + + // Change unique_id to uniqueId for backwards compatibility + if(options.autosave != undefined && options.autosave.unique_id != undefined && options.autosave.unique_id != "") + options.autosave.uniqueId = options.autosave.unique_id; + + + // Update this options + this.options = options; + + + // Auto render + this.render(); + + + // The codemirror component is only available after rendering + // so, the setter for the initialValue can only run after + // the element has been rendered + if(options.initialValue && (!this.options.autosave || this.options.autosave.foundSavedValue !== true)) { + this.value(options.initialValue); + } + } + + /** + * Default markdown render. + */ + SimpleMDE.prototype.markdown = function(text) { + if(marked) { + // Initialize + var markedOptions = {}; + + + // Update options + if(this.options && this.options.renderingConfig && this.options.renderingConfig.singleLineBreaks === false) { + markedOptions.breaks = false; + } else { + markedOptions.breaks = true; + } + + if(this.options && this.options.renderingConfig && this.options.renderingConfig.codeSyntaxHighlighting === true && window.hljs) { + markedOptions.highlight = function(code) { + return window.hljs.highlightAuto(code).value; + }; + } + + + // Set options + marked.setOptions(markedOptions); + + + // Return + return marked(text); + } + }; + + /** + * Render editor to the given element. + */ + SimpleMDE.prototype.render = function(el) { + if(!el) { + el = this.element || document.getElementsByTagName("textarea")[0]; + } + + if(this._rendered && this._rendered === el) { + // Already rendered. + return; + } + + this.element = el; + var options = this.options; + + var self = this; + var keyMaps = {}; + + for(var key in options.shortcuts) { + // null stands for "do not bind this command" + if(options.shortcuts[key] !== null && bindings[key] !== null) { + (function(key) { + keyMaps[fixShortcut(options.shortcuts[key])] = function() { + bindings[key](self); + }; + })(key); + } + } + + keyMaps["Enter"] = "newlineAndIndentContinueMarkdownList"; + keyMaps["Tab"] = "tabAndIndentMarkdownList"; + keyMaps["Shift-Tab"] = "shiftTabAndUnindentMarkdownList"; + keyMaps["Esc"] = function(cm) { + if(cm.getOption("fullScreen")) toggleFullScreen(self); + }; + + document.addEventListener("keydown", function(e) { + e = e || window.event; + + if(e.keyCode == 27) { + if(self.codemirror.getOption("fullScreen")) toggleFullScreen(self); + } + }, false); + + var mode, backdrop; + if(options.spellChecker !== false) { + mode = "spell-checker"; + backdrop = options.parsingConfig; + backdrop.name = "gfm"; + backdrop.gitHubSpice = false; + + CodeMirrorSpellChecker({ + codeMirrorInstance: CodeMirror + }); + } else { + mode = options.parsingConfig; + mode.name = "gfm"; + mode.gitHubSpice = false; + } + + this.codemirror = CodeMirror.fromTextArea(el, { + mode: mode, + backdrop: backdrop, + theme: "paper", + tabSize: (options.tabSize != undefined) ? options.tabSize : 2, + indentUnit: (options.tabSize != undefined) ? options.tabSize : 2, + indentWithTabs: (options.indentWithTabs === false) ? false : true, + lineNumbers: false, + autofocus: (options.autofocus === true) ? true : false, + extraKeys: keyMaps, + lineWrapping: (options.lineWrapping === false) ? false : true, + allowDropFileTypes: ["text/plain"], + placeholder: options.placeholder || el.getAttribute("placeholder") || "", + styleSelectedText: (options.styleSelectedText != undefined) ? options.styleSelectedText : true + }); + + if(options.forceSync === true) { + var cm = this.codemirror; + cm.on("change", function() { + cm.save(); + }); + } + + this.gui = {}; + + if(options.toolbar !== false) { + this.gui.toolbar = this.createToolbar(); + } + if(options.status !== false) { + this.gui.statusbar = this.createStatusbar(); + } + if(options.autosave != undefined && options.autosave.enabled === true) { + this.autosave(); + } + + this.gui.sideBySide = this.createSideBySide(); + + this._rendered = this.element; + + + // Fixes CodeMirror bug (#344) + var temp_cm = this.codemirror; + setTimeout(function() { + temp_cm.refresh(); + }.bind(temp_cm), 0); + }; + + // Safari, in Private Browsing Mode, looks like it supports localStorage but all calls to setItem throw QuotaExceededError. We're going to detect this and set a variable accordingly. + function isLocalStorageAvailable() { + if(typeof localStorage === "object") { + try { + localStorage.setItem("smde_localStorage", 1); + localStorage.removeItem("smde_localStorage"); + } catch(e) { + return false; + } + } else { + return false; + } + + return true; + } + + SimpleMDE.prototype.autosave = function() { + if(isLocalStorageAvailable()) { + var simplemde = this; + + if(this.options.autosave.uniqueId == undefined || this.options.autosave.uniqueId == "") { + console.log("SimpleMDE: You must set a uniqueId to use the autosave feature"); + return; + } + + if(simplemde.element.form != null && simplemde.element.form != undefined) { + simplemde.element.form.addEventListener("submit", function() { + localStorage.removeItem("smde_" + simplemde.options.autosave.uniqueId); + }); + } + + if(this.options.autosave.loaded !== true) { + if(typeof localStorage.getItem("smde_" + this.options.autosave.uniqueId) == "string" && localStorage.getItem("smde_" + this.options.autosave.uniqueId) != "") { + this.codemirror.setValue(localStorage.getItem("smde_" + this.options.autosave.uniqueId)); + this.options.autosave.foundSavedValue = true; + } + + this.options.autosave.loaded = true; + } + + localStorage.setItem("smde_" + this.options.autosave.uniqueId, simplemde.value()); + + var el = document.getElementById("autosaved"); + if(el != null && el != undefined && el != "") { + var d = new Date(); + var hh = d.getHours(); + var m = d.getMinutes(); + var dd = "am"; + var h = hh; + if(h >= 12) { + h = hh - 12; + dd = "pm"; + } + if(h == 0) { + h = 12; + } + m = m < 10 ? "0" + m : m; + + el.innerHTML = "Autosaved: " + h + ":" + m + " " + dd; + } + + this.autosaveTimeoutId = setTimeout(function() { + simplemde.autosave(); + }, this.options.autosave.delay || 10000); + } else { + console.log("SimpleMDE: localStorage not available, cannot autosave"); + } + }; + + SimpleMDE.prototype.clearAutosavedValue = function() { + if(isLocalStorageAvailable()) { + if(this.options.autosave == undefined || this.options.autosave.uniqueId == undefined || this.options.autosave.uniqueId == "") { + console.log("SimpleMDE: You must set a uniqueId to clear the autosave value"); + return; + } + + localStorage.removeItem("smde_" + this.options.autosave.uniqueId); + } else { + console.log("SimpleMDE: localStorage not available, cannot autosave"); + } + }; + + SimpleMDE.prototype.createSideBySide = function() { + var cm = this.codemirror; + var wrapper = cm.getWrapperElement(); + var preview = wrapper.nextSibling; + + if(!preview || !/editor-preview-side/.test(preview.className)) { + preview = document.createElement("div"); + preview.className = "editor-preview-side"; + wrapper.parentNode.insertBefore(preview, wrapper.nextSibling); + } + + // Syncs scroll editor -> preview + var cScroll = false; + var pScroll = false; + cm.on("scroll", function(v) { + if(cScroll) { + cScroll = false; + return; + } + pScroll = true; + var height = v.getScrollInfo().height - v.getScrollInfo().clientHeight; + var ratio = parseFloat(v.getScrollInfo().top) / height; + var move = (preview.scrollHeight - preview.clientHeight) * ratio; + preview.scrollTop = move; + }); + + // Syncs scroll preview -> editor + preview.onscroll = function() { + if(pScroll) { + pScroll = false; + return; + } + cScroll = true; + var height = preview.scrollHeight - preview.clientHeight; + var ratio = parseFloat(preview.scrollTop) / height; + var move = (cm.getScrollInfo().height - cm.getScrollInfo().clientHeight) * ratio; + cm.scrollTo(0, move); + }; + return preview; + }; + + SimpleMDE.prototype.createToolbar = function(items) { + items = items || this.options.toolbar; + + if(!items || items.length === 0) { + return; + } + var i; + for(i = 0; i < items.length; i++) { + if(toolbarBuiltInButtons[items[i]] != undefined) { + items[i] = toolbarBuiltInButtons[items[i]]; + } + } + + var bar = document.createElement("div"); + bar.className = "editor-toolbar"; + + var self = this; + + var toolbarData = {}; + self.toolbar = items; + + for(i = 0; i < items.length; i++) { + if(items[i].name == "guide" && self.options.toolbarGuideIcon === false) + continue; + + if(self.options.hideIcons && self.options.hideIcons.indexOf(items[i].name) != -1) + continue; + + // Fullscreen does not work well on mobile devices (even tablets) + // In the future, hopefully this can be resolved + if((items[i].name == "fullscreen" || items[i].name == "side-by-side") && isMobile()) + continue; + + + // Don't include trailing separators + if(items[i] === "|") { + var nonSeparatorIconsFollow = false; + + for(var x = (i + 1); x < items.length; x++) { + if(items[x] !== "|" && (!self.options.hideIcons || self.options.hideIcons.indexOf(items[x].name) == -1)) { + nonSeparatorIconsFollow = true; + } + } + + if(!nonSeparatorIconsFollow) + continue; + } + + + // Create the icon and append to the toolbar + (function(item) { + var el; + if(item === "|") { + el = createSep(); + } else { + el = createIcon(item, self.options.toolbarTips, self.options.shortcuts); + } + + // bind events, special for info + if(item.action) { + if(typeof item.action === "function") { + el.onclick = function(e) { + e.preventDefault(); + item.action(self); + }; + } else if(typeof item.action === "string") { + el.href = item.action; + el.target = "_blank"; + } + } + + toolbarData[item.name || item] = el; + bar.appendChild(el); + })(items[i]); + } + + self.toolbarElements = toolbarData; + + var cm = this.codemirror; + cm.on("cursorActivity", function() { + var stat = getState(cm); + + for(var key in toolbarData) { + (function(key) { + var el = toolbarData[key]; + if(stat[key]) { + el.className += " active"; + } else if(key != "fullscreen" && key != "side-by-side") { + el.className = el.className.replace(/\s*active\s*/g, ""); + } + })(key); + } + }); + + var cmWrapper = cm.getWrapperElement(); + cmWrapper.parentNode.insertBefore(bar, cmWrapper); + return bar; + }; + + SimpleMDE.prototype.createStatusbar = function(status) { + // Initialize + status = status || this.options.status; + var options = this.options; + var cm = this.codemirror; + + + // Make sure the status variable is valid + if(!status || status.length === 0) + return; + + + // Set up the built-in items + var items = []; + var i, onUpdate, defaultValue; + + for(i = 0; i < status.length; i++) { + // Reset some values + onUpdate = undefined; + defaultValue = undefined; + + + // Handle if custom or not + if(typeof status[i] === "object") { + items.push({ + className: status[i].className, + defaultValue: status[i].defaultValue, + onUpdate: status[i].onUpdate + }); + } else { + var name = status[i]; + + if(name === "words") { + defaultValue = function(el) { + el.innerHTML = wordCount(cm.getValue()); + }; + onUpdate = function(el) { + el.innerHTML = wordCount(cm.getValue()); + }; + } else if(name === "lines") { + defaultValue = function(el) { + el.innerHTML = cm.lineCount(); + }; + onUpdate = function(el) { + el.innerHTML = cm.lineCount(); + }; + } else if(name === "cursor") { + defaultValue = function(el) { + el.innerHTML = "0:0"; + }; + onUpdate = function(el) { + var pos = cm.getCursor(); + el.innerHTML = pos.line + ":" + pos.ch; + }; + } else if(name === "autosave") { + defaultValue = function(el) { + if(options.autosave != undefined && options.autosave.enabled === true) { + el.setAttribute("id", "autosaved"); + } + }; + } + + items.push({ + className: name, + defaultValue: defaultValue, + onUpdate: onUpdate + }); + } + } + + + // Create element for the status bar + var bar = document.createElement("div"); + bar.className = "editor-statusbar"; + + + // Create a new span for each item + for(i = 0; i < items.length; i++) { + // Store in temporary variable + var item = items[i]; + + + // Create span element + var el = document.createElement("span"); + el.className = item.className; + + + // Ensure the defaultValue is a function + if(typeof item.defaultValue === "function") { + item.defaultValue(el); + } + + + // Ensure the onUpdate is a function + if(typeof item.onUpdate === "function") { + // Create a closure around the span of the current action, then execute the onUpdate handler + this.codemirror.on("update", (function(el, item) { + return function() { + item.onUpdate(el); + }; + }(el, item))); + } + + + // Append the item to the status bar + bar.appendChild(el); + } + + + // Insert the status bar into the DOM + var cmWrapper = this.codemirror.getWrapperElement(); + cmWrapper.parentNode.insertBefore(bar, cmWrapper.nextSibling); + return bar; + }; + + /** + * Get or set the text content. + */ + SimpleMDE.prototype.value = function(val) { + if(val === undefined) { + return this.codemirror.getValue(); + } else { + this.codemirror.getDoc().setValue(val); + return this; + } + }; + + + /** + * Bind static methods for exports. + */ + SimpleMDE.toggleBold = toggleBold; + SimpleMDE.toggleItalic = toggleItalic; + SimpleMDE.toggleStrikethrough = toggleStrikethrough; + SimpleMDE.toggleBlockquote = toggleBlockquote; + SimpleMDE.toggleHeadingSmaller = toggleHeadingSmaller; + SimpleMDE.toggleHeadingBigger = toggleHeadingBigger; + SimpleMDE.toggleHeading1 = toggleHeading1; + SimpleMDE.toggleHeading2 = toggleHeading2; + SimpleMDE.toggleHeading3 = toggleHeading3; + SimpleMDE.toggleCodeBlock = toggleCodeBlock; + SimpleMDE.toggleUnorderedList = toggleUnorderedList; + SimpleMDE.toggleOrderedList = toggleOrderedList; + SimpleMDE.cleanBlock = cleanBlock; + SimpleMDE.drawLink = drawLink; + SimpleMDE.drawImage = drawImage; + SimpleMDE.drawTable = drawTable; + SimpleMDE.drawHorizontalRule = drawHorizontalRule; + SimpleMDE.undo = undo; + SimpleMDE.redo = redo; + SimpleMDE.togglePreview = togglePreview; + SimpleMDE.toggleSideBySide = toggleSideBySide; + SimpleMDE.toggleFullScreen = toggleFullScreen; + + /** + * Bind instance methods for exports. + */ + SimpleMDE.prototype.toggleBold = function() { + toggleBold(this); + }; + SimpleMDE.prototype.toggleItalic = function() { + toggleItalic(this); + }; + SimpleMDE.prototype.toggleStrikethrough = function() { + toggleStrikethrough(this); + }; + SimpleMDE.prototype.toggleBlockquote = function() { + toggleBlockquote(this); + }; + SimpleMDE.prototype.toggleHeadingSmaller = function() { + toggleHeadingSmaller(this); + }; + SimpleMDE.prototype.toggleHeadingBigger = function() { + toggleHeadingBigger(this); + }; + SimpleMDE.prototype.toggleHeading1 = function() { + toggleHeading1(this); + }; + SimpleMDE.prototype.toggleHeading2 = function() { + toggleHeading2(this); + }; + SimpleMDE.prototype.toggleHeading3 = function() { + toggleHeading3(this); + }; + SimpleMDE.prototype.toggleCodeBlock = function() { + toggleCodeBlock(this); + }; + SimpleMDE.prototype.toggleUnorderedList = function() { + toggleUnorderedList(this); + }; + SimpleMDE.prototype.toggleOrderedList = function() { + toggleOrderedList(this); + }; + SimpleMDE.prototype.cleanBlock = function() { + cleanBlock(this); + }; + SimpleMDE.prototype.drawLink = function() { + drawLink(this); + }; + SimpleMDE.prototype.drawImage = function() { + drawImage(this); + }; + SimpleMDE.prototype.drawTable = function() { + drawTable(this); + }; + SimpleMDE.prototype.drawHorizontalRule = function() { + drawHorizontalRule(this); + }; + SimpleMDE.prototype.undo = function() { + undo(this); + }; + SimpleMDE.prototype.redo = function() { + redo(this); + }; + SimpleMDE.prototype.togglePreview = function() { + togglePreview(this); + }; + SimpleMDE.prototype.toggleSideBySide = function() { + toggleSideBySide(this); + }; + SimpleMDE.prototype.toggleFullScreen = function() { + toggleFullScreen(this); + }; + + SimpleMDE.prototype.isPreviewActive = function() { + var cm = this.codemirror; + var wrapper = cm.getWrapperElement(); + var preview = wrapper.lastChild; + + return /editor-preview-active/.test(preview.className); + }; + + SimpleMDE.prototype.isSideBySideActive = function() { + var cm = this.codemirror; + var wrapper = cm.getWrapperElement(); + var preview = wrapper.nextSibling; + + return /editor-preview-active-side/.test(preview.className); + }; + + SimpleMDE.prototype.isFullscreenActive = function() { + var cm = this.codemirror; + + return cm.getOption("fullScreen"); + }; + + SimpleMDE.prototype.getState = function() { + var cm = this.codemirror; + + return getState(cm); + }; + + SimpleMDE.prototype.toTextArea = function() { + var cm = this.codemirror; + var wrapper = cm.getWrapperElement(); + + if(wrapper.parentNode) { + if(this.gui.toolbar) { + wrapper.parentNode.removeChild(this.gui.toolbar); + } + if(this.gui.statusbar) { + wrapper.parentNode.removeChild(this.gui.statusbar); + } + if(this.gui.sideBySide) { + wrapper.parentNode.removeChild(this.gui.sideBySide); + } + } + + cm.toTextArea(); + + if(this.autosaveTimeoutId) { + clearTimeout(this.autosaveTimeoutId); + this.autosaveTimeoutId = undefined; + this.clearAutosavedValue(); + } + }; + + module.exports = SimpleMDE; + +/***/ }, +/* 162 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + // This is CodeMirror (http://codemirror.net), a code editor + // implemented in JavaScript on top of the browser's DOM. + // + // You can find some technical background for some of the code below + // at http://marijnhaverbeke.nl/blog/#cm-internals . + + (function(mod) { + if (true) // CommonJS + module.exports = mod(); + else if (typeof define == "function" && define.amd) // AMD + return define([], mod); + else // Plain browser env + (this || window).CodeMirror = mod(); + })(function() { + "use strict"; + + // BROWSER SNIFFING + + // Kludges for bugs and behavior differences that can't be feature + // detected are enabled based on userAgent etc sniffing. + var userAgent = navigator.userAgent; + var platform = navigator.platform; + + var gecko = /gecko\/\d/i.test(userAgent); + var ie_upto10 = /MSIE \d/.test(userAgent); + var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent); + var ie = ie_upto10 || ie_11up; + var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]); + var webkit = /WebKit\//.test(userAgent); + var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent); + var chrome = /Chrome\//.test(userAgent); + var presto = /Opera\//.test(userAgent); + var safari = /Apple Computer/.test(navigator.vendor); + var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent); + var phantom = /PhantomJS/.test(userAgent); + + var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent); + // This is woefully incomplete. Suggestions for alternative methods welcome. + var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); + var mac = ios || /Mac/.test(platform); + var chromeOS = /\bCrOS\b/.test(userAgent); + var windows = /win/i.test(platform); + + var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); + if (presto_version) presto_version = Number(presto_version[1]); + if (presto_version && presto_version >= 15) { presto = false; webkit = true; } + // Some browsers use the wrong event properties to signal cmd/ctrl on OS X + var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); + var captureRightClick = gecko || (ie && ie_version >= 9); + + // Optimize some code when these features are not used. + var sawReadOnlySpans = false, sawCollapsedSpans = false; + + // EDITOR CONSTRUCTOR + + // A CodeMirror instance represents an editor. This is the object + // that user code is usually dealing with. + + function CodeMirror(place, options) { + if (!(this instanceof CodeMirror)) return new CodeMirror(place, options); + + this.options = options = options ? copyObj(options) : {}; + // Determine effective options based on given values and defaults. + copyObj(defaults, options, false); + setGuttersForLineNumbers(options); + + var doc = options.value; + if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator); + this.doc = doc; + + var input = new CodeMirror.inputStyles[options.inputStyle](this); + var display = this.display = new Display(place, doc, input); + display.wrapper.CodeMirror = this; + updateGutters(this); + themeChanged(this); + if (options.lineWrapping) + this.display.wrapper.className += " CodeMirror-wrap"; + if (options.autofocus && !mobile) display.input.focus(); + initScrollbars(this); + + this.state = { + keyMaps: [], // stores maps added by addKeyMap + overlays: [], // highlighting overlays, as added by addOverlay + modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info + overwrite: false, + delayingBlurEvent: false, + focused: false, + suppressEdits: false, // used to disable editing during key handlers when in readOnly mode + pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll + selectingText: false, + draggingText: false, + highlight: new Delayed(), // stores highlight worker timeout + keySeq: null, // Unfinished key sequence + specialChars: null + }; + + var cm = this; + + // Override magic textarea content restore that IE sometimes does + // on our hidden textarea on reload + if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20); + + registerEventHandlers(this); + ensureGlobalHandlers(); + + startOperation(this); + this.curOp.forceUpdate = true; + attachDoc(this, doc); + + if ((options.autofocus && !mobile) || cm.hasFocus()) + setTimeout(bind(onFocus, this), 20); + else + onBlur(this); + + for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt)) + optionHandlers[opt](this, options[opt], Init); + maybeUpdateLineNumberWidth(this); + if (options.finishInit) options.finishInit(this); + for (var i = 0; i < initHooks.length; ++i) initHooks[i](this); + endOperation(this); + // Suppress optimizelegibility in Webkit, since it breaks text + // measuring on line wrapping boundaries. + if (webkit && options.lineWrapping && + getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") + display.lineDiv.style.textRendering = "auto"; + } + + // DISPLAY CONSTRUCTOR + + // The display handles the DOM integration, both for input reading + // and content drawing. It holds references to DOM nodes and + // display-related state. + + function Display(place, doc, input) { + var d = this; + this.input = input; + + // Covers bottom-right square when both scrollbars are present. + d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); + d.scrollbarFiller.setAttribute("cm-not-content", "true"); + // Covers bottom of gutter when coverGutterNextToScrollbar is on + // and h scrollbar is present. + d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); + d.gutterFiller.setAttribute("cm-not-content", "true"); + // Will contain the actual code, positioned to cover the viewport. + d.lineDiv = elt("div", null, "CodeMirror-code"); + // Elements are added to these to represent selection and cursors. + d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); + d.cursorDiv = elt("div", null, "CodeMirror-cursors"); + // A visibility: hidden element used to find the size of things. + d.measure = elt("div", null, "CodeMirror-measure"); + // When lines outside of the viewport are measured, they are drawn in this. + d.lineMeasure = elt("div", null, "CodeMirror-measure"); + // Wraps everything that needs to exist inside the vertically-padded coordinate system + d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], + null, "position: relative; outline: none"); + // Moved around its parent to cover visible view. + d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative"); + // Set to the height of the document, allowing scrolling. + d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); + d.sizerWidth = null; + // Behavior of elts with overflow: auto and padding is + // inconsistent across browsers. This is used to ensure the + // scrollable area is big enough. + d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); + // Will contain the gutters, if any. + d.gutters = elt("div", null, "CodeMirror-gutters"); + d.lineGutter = null; + // Actual scrollable element. + d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); + d.scroller.setAttribute("tabIndex", "-1"); + // The element in which the editor lives. + d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); + + // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) + if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } + if (!webkit && !(gecko && mobile)) d.scroller.draggable = true; + + if (place) { + if (place.appendChild) place.appendChild(d.wrapper); + else place(d.wrapper); + } + + // Current rendered range (may be bigger than the view window). + d.viewFrom = d.viewTo = doc.first; + d.reportedViewFrom = d.reportedViewTo = doc.first; + // Information about the rendered lines. + d.view = []; + d.renderedView = null; + // Holds info about a single rendered line when it was rendered + // for measurement, while not in view. + d.externalMeasured = null; + // Empty space (in pixels) above the view + d.viewOffset = 0; + d.lastWrapHeight = d.lastWrapWidth = 0; + d.updateLineNumbers = null; + + d.nativeBarWidth = d.barHeight = d.barWidth = 0; + d.scrollbarsClipped = false; + + // Used to only resize the line number gutter when necessary (when + // the amount of lines crosses a boundary that makes its width change) + d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; + // Set to true when a non-horizontal-scrolling line widget is + // added. As an optimization, line widget aligning is skipped when + // this is false. + d.alignWidgets = false; + + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + + // Tracks the maximum line length so that the horizontal scrollbar + // can be kept static when scrolling. + d.maxLine = null; + d.maxLineLength = 0; + d.maxLineChanged = false; + + // Used for measuring wheel scrolling granularity + d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; + + // True when shift is held down. + d.shift = false; + + // Used to track whether anything happened since the context menu + // was opened. + d.selForContextMenu = null; + + d.activeTouch = null; + + input.init(d); + } + + // STATE UPDATES + + // Used to get the editor into a consistent state again when options change. + + function loadMode(cm) { + cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption); + resetModeState(cm); + } + + function resetModeState(cm) { + cm.doc.iter(function(line) { + if (line.stateAfter) line.stateAfter = null; + if (line.styles) line.styles = null; + }); + cm.doc.frontier = cm.doc.first; + startWorker(cm, 100); + cm.state.modeGen++; + if (cm.curOp) regChange(cm); + } + + function wrappingChanged(cm) { + if (cm.options.lineWrapping) { + addClass(cm.display.wrapper, "CodeMirror-wrap"); + cm.display.sizer.style.minWidth = ""; + cm.display.sizerWidth = null; + } else { + rmClass(cm.display.wrapper, "CodeMirror-wrap"); + findMaxLine(cm); + } + estimateLineHeights(cm); + regChange(cm); + clearCaches(cm); + setTimeout(function(){updateScrollbars(cm);}, 100); + } + + // Returns a function that estimates the height of a line, to use as + // first approximation until the line becomes visible (and is thus + // properly measurable). + function estimateHeight(cm) { + var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; + var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); + return function(line) { + if (lineIsHidden(cm.doc, line)) return 0; + + var widgetsHeight = 0; + if (line.widgets) for (var i = 0; i < line.widgets.length; i++) { + if (line.widgets[i].height) widgetsHeight += line.widgets[i].height; + } + + if (wrapping) + return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th; + else + return widgetsHeight + th; + }; + } + + function estimateLineHeights(cm) { + var doc = cm.doc, est = estimateHeight(cm); + doc.iter(function(line) { + var estHeight = est(line); + if (estHeight != line.height) updateLineHeight(line, estHeight); + }); + } + + function themeChanged(cm) { + cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); + clearCaches(cm); + } + + function guttersChanged(cm) { + updateGutters(cm); + regChange(cm); + setTimeout(function(){alignHorizontally(cm);}, 20); + } + + // Rebuild the gutter elements, ensure the margin to the left of the + // code matches their width. + function updateGutters(cm) { + var gutters = cm.display.gutters, specs = cm.options.gutters; + removeChildren(gutters); + for (var i = 0; i < specs.length; ++i) { + var gutterClass = specs[i]; + var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); + if (gutterClass == "CodeMirror-linenumbers") { + cm.display.lineGutter = gElt; + gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; + } + } + gutters.style.display = i ? "" : "none"; + updateGutterSpace(cm); + } + + function updateGutterSpace(cm) { + var width = cm.display.gutters.offsetWidth; + cm.display.sizer.style.marginLeft = width + "px"; + } + + // Compute the character length of a line, taking into account + // collapsed ranges (see markText) that might hide parts, and join + // other lines onto it. + function lineLength(line) { + if (line.height == 0) return 0; + var len = line.text.length, merged, cur = line; + while (merged = collapsedSpanAtStart(cur)) { + var found = merged.find(0, true); + cur = found.from.line; + len += found.from.ch - found.to.ch; + } + cur = line; + while (merged = collapsedSpanAtEnd(cur)) { + var found = merged.find(0, true); + len -= cur.text.length - found.from.ch; + cur = found.to.line; + len += cur.text.length - found.to.ch; + } + return len; + } + + // Find the longest line in the document. + function findMaxLine(cm) { + var d = cm.display, doc = cm.doc; + d.maxLine = getLine(doc, doc.first); + d.maxLineLength = lineLength(d.maxLine); + d.maxLineChanged = true; + doc.iter(function(line) { + var len = lineLength(line); + if (len > d.maxLineLength) { + d.maxLineLength = len; + d.maxLine = line; + } + }); + } + + // Make sure the gutters options contains the element + // "CodeMirror-linenumbers" when the lineNumbers option is true. + function setGuttersForLineNumbers(options) { + var found = indexOf(options.gutters, "CodeMirror-linenumbers"); + if (found == -1 && options.lineNumbers) { + options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]); + } else if (found > -1 && !options.lineNumbers) { + options.gutters = options.gutters.slice(0); + options.gutters.splice(found, 1); + } + } + + // SCROLLBARS + + // Prepare DOM reads needed to update the scrollbars. Done in one + // shot to minimize update/measure roundtrips. + function measureForScrollbars(cm) { + var d = cm.display, gutterW = d.gutters.offsetWidth; + var docH = Math.round(cm.doc.height + paddingVert(cm.display)); + return { + clientHeight: d.scroller.clientHeight, + viewHeight: d.wrapper.clientHeight, + scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, + viewWidth: d.wrapper.clientWidth, + barLeft: cm.options.fixedGutter ? gutterW : 0, + docHeight: docH, + scrollHeight: docH + scrollGap(cm) + d.barHeight, + nativeBarWidth: d.nativeBarWidth, + gutterWidth: gutterW + }; + } + + function NativeScrollbars(place, scroll, cm) { + this.cm = cm; + var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); + var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); + place(vert); place(horiz); + + on(vert, "scroll", function() { + if (vert.clientHeight) scroll(vert.scrollTop, "vertical"); + }); + on(horiz, "scroll", function() { + if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal"); + }); + + this.checkedZeroWidth = false; + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; + } + + NativeScrollbars.prototype = copyObj({ + update: function(measure) { + var needsH = measure.scrollWidth > measure.clientWidth + 1; + var needsV = measure.scrollHeight > measure.clientHeight + 1; + var sWidth = measure.nativeBarWidth; + + if (needsV) { + this.vert.style.display = "block"; + this.vert.style.bottom = needsH ? sWidth + "px" : "0"; + var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); + // A bug in IE8 can cause this value to be negative, so guard it. + this.vert.firstChild.style.height = + Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; + } else { + this.vert.style.display = ""; + this.vert.firstChild.style.height = "0"; + } + + if (needsH) { + this.horiz.style.display = "block"; + this.horiz.style.right = needsV ? sWidth + "px" : "0"; + this.horiz.style.left = measure.barLeft + "px"; + var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); + this.horiz.firstChild.style.width = + (measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; + } else { + this.horiz.style.display = ""; + this.horiz.firstChild.style.width = "0"; + } + + if (!this.checkedZeroWidth && measure.clientHeight > 0) { + if (sWidth == 0) this.zeroWidthHack(); + this.checkedZeroWidth = true; + } + + return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}; + }, + setScrollLeft: function(pos) { + if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos; + if (this.disableHoriz) this.enableZeroWidthBar(this.horiz, this.disableHoriz); + }, + setScrollTop: function(pos) { + if (this.vert.scrollTop != pos) this.vert.scrollTop = pos; + if (this.disableVert) this.enableZeroWidthBar(this.vert, this.disableVert); + }, + zeroWidthHack: function() { + var w = mac && !mac_geMountainLion ? "12px" : "18px"; + this.horiz.style.height = this.vert.style.width = w; + this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"; + this.disableHoriz = new Delayed; + this.disableVert = new Delayed; + }, + enableZeroWidthBar: function(bar, delay) { + bar.style.pointerEvents = "auto"; + function maybeDisable() { + // To find out whether the scrollbar is still visible, we + // check whether the element under the pixel in the bottom + // left corner of the scrollbar box is the scrollbar box + // itself (when the bar is still visible) or its filler child + // (when the bar is hidden). If it is still visible, we keep + // it enabled, if it's hidden, we disable pointer events. + var box = bar.getBoundingClientRect(); + var elt = document.elementFromPoint(box.left + 1, box.bottom - 1); + if (elt != bar) bar.style.pointerEvents = "none"; + else delay.set(1000, maybeDisable); + } + delay.set(1000, maybeDisable); + }, + clear: function() { + var parent = this.horiz.parentNode; + parent.removeChild(this.horiz); + parent.removeChild(this.vert); + } + }, NativeScrollbars.prototype); + + function NullScrollbars() {} + + NullScrollbars.prototype = copyObj({ + update: function() { return {bottom: 0, right: 0}; }, + setScrollLeft: function() {}, + setScrollTop: function() {}, + clear: function() {} + }, NullScrollbars.prototype); + + CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; + + function initScrollbars(cm) { + if (cm.display.scrollbars) { + cm.display.scrollbars.clear(); + if (cm.display.scrollbars.addClass) + rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); + } + + cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) { + cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); + // Prevent clicks in the scrollbars from killing focus + on(node, "mousedown", function() { + if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0); + }); + node.setAttribute("cm-not-content", "true"); + }, function(pos, axis) { + if (axis == "horizontal") setScrollLeft(cm, pos); + else setScrollTop(cm, pos); + }, cm); + if (cm.display.scrollbars.addClass) + addClass(cm.display.wrapper, cm.display.scrollbars.addClass); + } + + function updateScrollbars(cm, measure) { + if (!measure) measure = measureForScrollbars(cm); + var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; + updateScrollbarsInner(cm, measure); + for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { + if (startWidth != cm.display.barWidth && cm.options.lineWrapping) + updateHeightsInViewport(cm); + updateScrollbarsInner(cm, measureForScrollbars(cm)); + startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; + } + } + + // Re-synchronize the fake scrollbars with the actual size of the + // content. + function updateScrollbarsInner(cm, measure) { + var d = cm.display; + var sizes = d.scrollbars.update(measure); + + d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; + d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; + d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent" + + if (sizes.right && sizes.bottom) { + d.scrollbarFiller.style.display = "block"; + d.scrollbarFiller.style.height = sizes.bottom + "px"; + d.scrollbarFiller.style.width = sizes.right + "px"; + } else d.scrollbarFiller.style.display = ""; + if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { + d.gutterFiller.style.display = "block"; + d.gutterFiller.style.height = sizes.bottom + "px"; + d.gutterFiller.style.width = measure.gutterWidth + "px"; + } else d.gutterFiller.style.display = ""; + } + + // Compute the lines that are visible in a given viewport (defaults + // the the current scroll position). viewport may contain top, + // height, and ensure (see op.scrollToPos) properties. + function visibleLines(display, doc, viewport) { + var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; + top = Math.floor(top - paddingTop(display)); + var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; + + var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); + // Ensure is a {from: {line, ch}, to: {line, ch}} object, and + // forces those lines into the viewport (if possible). + if (viewport && viewport.ensure) { + var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; + if (ensureFrom < from) { + from = ensureFrom; + to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); + } else if (Math.min(ensureTo, doc.lastLine()) >= to) { + from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); + to = ensureTo; + } + } + return {from: from, to: Math.max(to, from + 1)}; + } + + // LINE NUMBERS + + // Re-align line numbers and gutter marks to compensate for + // horizontal scrolling. + function alignHorizontally(cm) { + var display = cm.display, view = display.view; + if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return; + var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; + var gutterW = display.gutters.offsetWidth, left = comp + "px"; + for (var i = 0; i < view.length; i++) if (!view[i].hidden) { + if (cm.options.fixedGutter && view[i].gutter) + view[i].gutter.style.left = left; + var align = view[i].alignable; + if (align) for (var j = 0; j < align.length; j++) + align[j].style.left = left; + } + if (cm.options.fixedGutter) + display.gutters.style.left = (comp + gutterW) + "px"; + } + + // Used to ensure that the line number gutter is still the right + // size for the current document size. Returns true when an update + // is needed. + function maybeUpdateLineNumberWidth(cm) { + if (!cm.options.lineNumbers) return false; + var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; + if (last.length != display.lineNumChars) { + var test = display.measure.appendChild(elt("div", [elt("div", last)], + "CodeMirror-linenumber CodeMirror-gutter-elt")); + var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; + display.lineGutter.style.width = ""; + display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; + display.lineNumWidth = display.lineNumInnerWidth + padding; + display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; + display.lineGutter.style.width = display.lineNumWidth + "px"; + updateGutterSpace(cm); + return true; + } + return false; + } + + function lineNumberFor(options, i) { + return String(options.lineNumberFormatter(i + options.firstLineNumber)); + } + + // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, + // but using getBoundingClientRect to get a sub-pixel-accurate + // result. + function compensateForHScroll(display) { + return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left; + } + + // DISPLAY DRAWING + + function DisplayUpdate(cm, viewport, force) { + var display = cm.display; + + this.viewport = viewport; + // Store some values that we'll need later (but don't want to force a relayout for) + this.visible = visibleLines(display, cm.doc, viewport); + this.editorIsHidden = !display.wrapper.offsetWidth; + this.wrapperHeight = display.wrapper.clientHeight; + this.wrapperWidth = display.wrapper.clientWidth; + this.oldDisplayWidth = displayWidth(cm); + this.force = force; + this.dims = getDimensions(cm); + this.events = []; + } + + DisplayUpdate.prototype.signal = function(emitter, type) { + if (hasHandler(emitter, type)) + this.events.push(arguments); + }; + DisplayUpdate.prototype.finish = function() { + for (var i = 0; i < this.events.length; i++) + signal.apply(null, this.events[i]); + }; + + function maybeClipScrollbars(cm) { + var display = cm.display; + if (!display.scrollbarsClipped && display.scroller.offsetWidth) { + display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; + display.heightForcer.style.height = scrollGap(cm) + "px"; + display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; + display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; + display.scrollbarsClipped = true; + } + } + + // Does the actual updating of the line display. Bails out + // (returning false) when there is nothing to be done and forced is + // false. + function updateDisplayIfNeeded(cm, update) { + var display = cm.display, doc = cm.doc; + + if (update.editorIsHidden) { + resetView(cm); + return false; + } + + // Bail out if the visible area is already rendered and nothing changed. + if (!update.force && + update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && + display.renderedView == display.view && countDirtyView(cm) == 0) + return false; + + if (maybeUpdateLineNumberWidth(cm)) { + resetView(cm); + update.dims = getDimensions(cm); + } + + // Compute a suitable new viewport (from & to) + var end = doc.first + doc.size; + var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); + var to = Math.min(end, update.visible.to + cm.options.viewportMargin); + if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom); + if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo); + if (sawCollapsedSpans) { + from = visualLineNo(cm.doc, from); + to = visualLineEndNo(cm.doc, to); + } + + var different = from != display.viewFrom || to != display.viewTo || + display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; + adjustView(cm, from, to); + + display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); + // Position the mover div to align with the current scroll position + cm.display.mover.style.top = display.viewOffset + "px"; + + var toUpdate = countDirtyView(cm); + if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) + return false; + + // For big changes, we hide the enclosing element during the + // update, since that speeds up the operations on most browsers. + var focused = activeElt(); + if (toUpdate > 4) display.lineDiv.style.display = "none"; + patchDisplay(cm, display.updateLineNumbers, update.dims); + if (toUpdate > 4) display.lineDiv.style.display = ""; + display.renderedView = display.view; + // There might have been a widget with a focused element that got + // hidden or updated, if so re-focus it. + if (focused && activeElt() != focused && focused.offsetHeight) focused.focus(); + + // Prevent selection and cursors from interfering with the scroll + // width and height. + removeChildren(display.cursorDiv); + removeChildren(display.selectionDiv); + display.gutters.style.height = display.sizer.style.minHeight = 0; + + if (different) { + display.lastWrapHeight = update.wrapperHeight; + display.lastWrapWidth = update.wrapperWidth; + startWorker(cm, 400); + } + + display.updateLineNumbers = null; + + return true; + } + + function postUpdateDisplay(cm, update) { + var viewport = update.viewport; + + for (var first = true;; first = false) { + if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { + // Clip forced viewport to actual scrollable area. + if (viewport && viewport.top != null) + viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; + // Updated line heights might result in the drawn area not + // actually covering the viewport. Keep looping until it does. + update.visible = visibleLines(cm.display, cm.doc, viewport); + if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) + break; + } + if (!updateDisplayIfNeeded(cm, update)) break; + updateHeightsInViewport(cm); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + } + + update.signal(cm, "update", cm); + if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { + update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); + cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; + } + } + + function updateDisplaySimple(cm, viewport) { + var update = new DisplayUpdate(cm, viewport); + if (updateDisplayIfNeeded(cm, update)) { + updateHeightsInViewport(cm); + postUpdateDisplay(cm, update); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + update.finish(); + } + } + + function setDocumentHeight(cm, measure) { + cm.display.sizer.style.minHeight = measure.docHeight + "px"; + cm.display.heightForcer.style.top = measure.docHeight + "px"; + cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; + } + + // Read the actual heights of the rendered lines, and update their + // stored heights to match. + function updateHeightsInViewport(cm) { + var display = cm.display; + var prevBottom = display.lineDiv.offsetTop; + for (var i = 0; i < display.view.length; i++) { + var cur = display.view[i], height; + if (cur.hidden) continue; + if (ie && ie_version < 8) { + var bot = cur.node.offsetTop + cur.node.offsetHeight; + height = bot - prevBottom; + prevBottom = bot; + } else { + var box = cur.node.getBoundingClientRect(); + height = box.bottom - box.top; + } + var diff = cur.line.height - height; + if (height < 2) height = textHeight(display); + if (diff > .001 || diff < -.001) { + updateLineHeight(cur.line, height); + updateWidgetHeight(cur.line); + if (cur.rest) for (var j = 0; j < cur.rest.length; j++) + updateWidgetHeight(cur.rest[j]); + } + } + } + + // Read and store the height of line widgets associated with the + // given line. + function updateWidgetHeight(line) { + if (line.widgets) for (var i = 0; i < line.widgets.length; ++i) + line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight; + } + + // Do a bulk-read of the DOM positions and sizes needed to draw the + // view, so that we don't interleave reading and writing to the DOM. + function getDimensions(cm) { + var d = cm.display, left = {}, width = {}; + var gutterLeft = d.gutters.clientLeft; + for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { + left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; + width[cm.options.gutters[i]] = n.clientWidth; + } + return {fixedPos: compensateForHScroll(d), + gutterTotalWidth: d.gutters.offsetWidth, + gutterLeft: left, + gutterWidth: width, + wrapperWidth: d.wrapper.clientWidth}; + } + + // Sync the actual display DOM structure with display.view, removing + // nodes for lines that are no longer in view, and creating the ones + // that are not there yet, and updating the ones that are out of + // date. + function patchDisplay(cm, updateNumbersFrom, dims) { + var display = cm.display, lineNumbers = cm.options.lineNumbers; + var container = display.lineDiv, cur = container.firstChild; + + function rm(node) { + var next = node.nextSibling; + // Works around a throw-scroll bug in OS X Webkit + if (webkit && mac && cm.display.currentWheelTarget == node) + node.style.display = "none"; + else + node.parentNode.removeChild(node); + return next; + } + + var view = display.view, lineN = display.viewFrom; + // Loop over the elements in the view, syncing cur (the DOM nodes + // in display.lineDiv) with the view as we go. + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (lineView.hidden) { + } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet + var node = buildLineElement(cm, lineView, lineN, dims); + container.insertBefore(node, cur); + } else { // Already drawn + while (cur != lineView.node) cur = rm(cur); + var updateNumber = lineNumbers && updateNumbersFrom != null && + updateNumbersFrom <= lineN && lineView.lineNumber; + if (lineView.changes) { + if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false; + updateLineForChanges(cm, lineView, lineN, dims); + } + if (updateNumber) { + removeChildren(lineView.lineNumber); + lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); + } + cur = lineView.node.nextSibling; + } + lineN += lineView.size; + } + while (cur) cur = rm(cur); + } + + // When an aspect of a line changes, a string is added to + // lineView.changes. This updates the relevant part of the line's + // DOM structure. + function updateLineForChanges(cm, lineView, lineN, dims) { + for (var j = 0; j < lineView.changes.length; j++) { + var type = lineView.changes[j]; + if (type == "text") updateLineText(cm, lineView); + else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims); + else if (type == "class") updateLineClasses(lineView); + else if (type == "widget") updateLineWidgets(cm, lineView, dims); + } + lineView.changes = null; + } + + // Lines with gutter elements, widgets or a background class need to + // be wrapped, and have the extra elements added to the wrapper div + function ensureLineWrapped(lineView) { + if (lineView.node == lineView.text) { + lineView.node = elt("div", null, null, "position: relative"); + if (lineView.text.parentNode) + lineView.text.parentNode.replaceChild(lineView.node, lineView.text); + lineView.node.appendChild(lineView.text); + if (ie && ie_version < 8) lineView.node.style.zIndex = 2; + } + return lineView.node; + } + + function updateLineBackground(lineView) { + var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; + if (cls) cls += " CodeMirror-linebackground"; + if (lineView.background) { + if (cls) lineView.background.className = cls; + else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } + } else if (cls) { + var wrap = ensureLineWrapped(lineView); + lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); + } + } + + // Wrapper around buildLineContent which will reuse the structure + // in display.externalMeasured when possible. + function getLineContent(cm, lineView) { + var ext = cm.display.externalMeasured; + if (ext && ext.line == lineView.line) { + cm.display.externalMeasured = null; + lineView.measure = ext.measure; + return ext.built; + } + return buildLineContent(cm, lineView); + } + + // Redraw the line's text. Interacts with the background and text + // classes because the mode may output tokens that influence these + // classes. + function updateLineText(cm, lineView) { + var cls = lineView.text.className; + var built = getLineContent(cm, lineView); + if (lineView.text == lineView.node) lineView.node = built.pre; + lineView.text.parentNode.replaceChild(built.pre, lineView.text); + lineView.text = built.pre; + if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { + lineView.bgClass = built.bgClass; + lineView.textClass = built.textClass; + updateLineClasses(lineView); + } else if (cls) { + lineView.text.className = cls; + } + } + + function updateLineClasses(lineView) { + updateLineBackground(lineView); + if (lineView.line.wrapClass) + ensureLineWrapped(lineView).className = lineView.line.wrapClass; + else if (lineView.node != lineView.text) + lineView.node.className = ""; + var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; + lineView.text.className = textClass || ""; + } + + function updateLineGutter(cm, lineView, lineN, dims) { + if (lineView.gutter) { + lineView.node.removeChild(lineView.gutter); + lineView.gutter = null; + } + if (lineView.gutterBackground) { + lineView.node.removeChild(lineView.gutterBackground); + lineView.gutterBackground = null; + } + if (lineView.line.gutterClass) { + var wrap = ensureLineWrapped(lineView); + lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, + "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + + "px; width: " + dims.gutterTotalWidth + "px"); + wrap.insertBefore(lineView.gutterBackground, lineView.text); + } + var markers = lineView.line.gutterMarkers; + if (cm.options.lineNumbers || markers) { + var wrap = ensureLineWrapped(lineView); + var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " + + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"); + cm.display.input.setUneditable(gutterWrap); + wrap.insertBefore(gutterWrap, lineView.text); + if (lineView.line.gutterClass) + gutterWrap.className += " " + lineView.line.gutterClass; + if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) + lineView.lineNumber = gutterWrap.appendChild( + elt("div", lineNumberFor(cm.options, lineN), + "CodeMirror-linenumber CodeMirror-gutter-elt", + "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: " + + cm.display.lineNumInnerWidth + "px")); + if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) { + var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; + if (found) + gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " + + dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px")); + } + } + } + + function updateLineWidgets(cm, lineView, dims) { + if (lineView.alignable) lineView.alignable = null; + for (var node = lineView.node.firstChild, next; node; node = next) { + var next = node.nextSibling; + if (node.className == "CodeMirror-linewidget") + lineView.node.removeChild(node); + } + insertLineWidgets(cm, lineView, dims); + } + + // Build a line's DOM representation from scratch + function buildLineElement(cm, lineView, lineN, dims) { + var built = getLineContent(cm, lineView); + lineView.text = lineView.node = built.pre; + if (built.bgClass) lineView.bgClass = built.bgClass; + if (built.textClass) lineView.textClass = built.textClass; + + updateLineClasses(lineView); + updateLineGutter(cm, lineView, lineN, dims); + insertLineWidgets(cm, lineView, dims); + return lineView.node; + } + + // A lineView may contain multiple logical lines (when merged by + // collapsed spans). The widgets for all of them need to be drawn. + function insertLineWidgets(cm, lineView, dims) { + insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); + if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) + insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); + } + + function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { + if (!line.widgets) return; + var wrap = ensureLineWrapped(lineView); + for (var i = 0, ws = line.widgets; i < ws.length; ++i) { + var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); + if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true"); + positionLineWidget(widget, node, lineView, dims); + cm.display.input.setUneditable(node); + if (allowAbove && widget.above) + wrap.insertBefore(node, lineView.gutter || lineView.text); + else + wrap.appendChild(node); + signalLater(widget, "redraw"); + } + } + + function positionLineWidget(widget, node, lineView, dims) { + if (widget.noHScroll) { + (lineView.alignable || (lineView.alignable = [])).push(node); + var width = dims.wrapperWidth; + node.style.left = dims.fixedPos + "px"; + if (!widget.coverGutter) { + width -= dims.gutterTotalWidth; + node.style.paddingLeft = dims.gutterTotalWidth + "px"; + } + node.style.width = width + "px"; + } + if (widget.coverGutter) { + node.style.zIndex = 5; + node.style.position = "relative"; + if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px"; + } + } + + // POSITION OBJECT + + // A Pos instance represents a position within the text. + var Pos = CodeMirror.Pos = function(line, ch) { + if (!(this instanceof Pos)) return new Pos(line, ch); + this.line = line; this.ch = ch; + }; + + // Compare two positions, return 0 if they are the same, a negative + // number when a is less, and a positive number otherwise. + var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; }; + + function copyPos(x) {return Pos(x.line, x.ch);} + function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; } + function minPos(a, b) { return cmp(a, b) < 0 ? a : b; } + + // INPUT HANDLING + + function ensureFocus(cm) { + if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } + } + + // This will be set to a {lineWise: bool, text: [string]} object, so + // that, when pasting, we know what kind of selections the copied + // text was made out of. + var lastCopied = null; + + function applyTextInput(cm, inserted, deleted, sel, origin) { + var doc = cm.doc; + cm.display.shift = false; + if (!sel) sel = doc.sel; + + var paste = cm.state.pasteIncoming || origin == "paste"; + var textLines = doc.splitLines(inserted), multiPaste = null + // When pasing N lines into N selections, insert one line per selection + if (paste && sel.ranges.length > 1) { + if (lastCopied && lastCopied.text.join("\n") == inserted) { + if (sel.ranges.length % lastCopied.text.length == 0) { + multiPaste = []; + for (var i = 0; i < lastCopied.text.length; i++) + multiPaste.push(doc.splitLines(lastCopied.text[i])); + } + } else if (textLines.length == sel.ranges.length) { + multiPaste = map(textLines, function(l) { return [l]; }); + } + } + + // Normal behavior is to insert the new text into every selection + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range = sel.ranges[i]; + var from = range.from(), to = range.to(); + if (range.empty()) { + if (deleted && deleted > 0) // Handle deletion + from = Pos(from.line, from.ch - deleted); + else if (cm.state.overwrite && !paste) // Handle overwrite + to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); + else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted) + from = to = Pos(from.line, 0) + } + var updateInput = cm.curOp.updateInput; + var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines, + origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; + makeChange(cm.doc, changeEvent); + signalLater(cm, "inputRead", cm, changeEvent); + } + if (inserted && !paste) + triggerElectric(cm, inserted); + + ensureCursorVisible(cm); + cm.curOp.updateInput = updateInput; + cm.curOp.typing = true; + cm.state.pasteIncoming = cm.state.cutIncoming = false; + } + + function handlePaste(e, cm) { + var pasted = e.clipboardData && e.clipboardData.getData("text/plain"); + if (pasted) { + e.preventDefault(); + if (!cm.isReadOnly() && !cm.options.disableInput) + runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); }); + return true; + } + } + + function triggerElectric(cm, inserted) { + // When an 'electric' character is inserted, immediately trigger a reindent + if (!cm.options.electricChars || !cm.options.smartIndent) return; + var sel = cm.doc.sel; + + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range = sel.ranges[i]; + if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue; + var mode = cm.getModeAt(range.head); + var indented = false; + if (mode.electricChars) { + for (var j = 0; j < mode.electricChars.length; j++) + if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { + indented = indentLine(cm, range.head.line, "smart"); + break; + } + } else if (mode.electricInput) { + if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) + indented = indentLine(cm, range.head.line, "smart"); + } + if (indented) signalLater(cm, "electricInput", cm, range.head.line); + } + } + + function copyableRanges(cm) { + var text = [], ranges = []; + for (var i = 0; i < cm.doc.sel.ranges.length; i++) { + var line = cm.doc.sel.ranges[i].head.line; + var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; + ranges.push(lineRange); + text.push(cm.getRange(lineRange.anchor, lineRange.head)); + } + return {text: text, ranges: ranges}; + } + + function disableBrowserMagic(field) { + field.setAttribute("autocorrect", "off"); + field.setAttribute("autocapitalize", "off"); + field.setAttribute("spellcheck", "false"); + } + + // TEXTAREA INPUT STYLE + + function TextareaInput(cm) { + this.cm = cm; + // See input.poll and input.reset + this.prevInput = ""; + + // Flag that indicates whether we expect input to appear real soon + // now (after some event like 'keypress' or 'input') and are + // polling intensively. + this.pollingFast = false; + // Self-resetting timeout for the poller + this.polling = new Delayed(); + // Tracks when input.reset has punted to just putting a short + // string into the textarea instead of the full selection. + this.inaccurateSelection = false; + // Used to work around IE issue with selection being forgotten when focus moves away from textarea + this.hasSelection = false; + this.composing = null; + }; + + function hiddenTextarea() { + var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none"); + var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + // The textarea is kept positioned near the cursor to prevent the + // fact that it'll be scrolled into view on input from scrolling + // our fake cursor out of view. On webkit, when wrap=off, paste is + // very slow. So make the area wide instead. + if (webkit) te.style.width = "1000px"; + else te.setAttribute("wrap", "off"); + // If border: 0; -- iOS fails to open keyboard (issue #1287) + if (ios) te.style.border = "1px solid black"; + disableBrowserMagic(te); + return div; + } + + TextareaInput.prototype = copyObj({ + init: function(display) { + var input = this, cm = this.cm; + + // Wraps and hides input textarea + var div = this.wrapper = hiddenTextarea(); + // The semihidden textarea that is focused when the editor is + // focused, and receives input. + var te = this.textarea = div.firstChild; + display.wrapper.insertBefore(div, display.wrapper.firstChild); + + // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) + if (ios) te.style.width = "0px"; + + on(te, "input", function() { + if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null; + input.poll(); + }); + + on(te, "paste", function(e) { + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) return + + cm.state.pasteIncoming = true; + input.fastPoll(); + }); + + function prepareCopyCut(e) { + if (signalDOMEvent(cm, e)) return + if (cm.somethingSelected()) { + lastCopied = {lineWise: false, text: cm.getSelections()}; + if (input.inaccurateSelection) { + input.prevInput = ""; + input.inaccurateSelection = false; + te.value = lastCopied.text.join("\n"); + selectInput(te); + } + } else if (!cm.options.lineWiseCopyCut) { + return; + } else { + var ranges = copyableRanges(cm); + lastCopied = {lineWise: true, text: ranges.text}; + if (e.type == "cut") { + cm.setSelections(ranges.ranges, null, sel_dontScroll); + } else { + input.prevInput = ""; + te.value = ranges.text.join("\n"); + selectInput(te); + } + } + if (e.type == "cut") cm.state.cutIncoming = true; + } + on(te, "cut", prepareCopyCut); + on(te, "copy", prepareCopyCut); + + on(display.scroller, "paste", function(e) { + if (eventInWidget(display, e) || signalDOMEvent(cm, e)) return; + cm.state.pasteIncoming = true; + input.focus(); + }); + + // Prevent normal selection in the editor (we handle our own) + on(display.lineSpace, "selectstart", function(e) { + if (!eventInWidget(display, e)) e_preventDefault(e); + }); + + on(te, "compositionstart", function() { + var start = cm.getCursor("from"); + if (input.composing) input.composing.range.clear() + input.composing = { + start: start, + range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) + }; + }); + on(te, "compositionend", function() { + if (input.composing) { + input.poll(); + input.composing.range.clear(); + input.composing = null; + } + }); + }, + + prepareSelection: function() { + // Redraw the selection and/or cursor + var cm = this.cm, display = cm.display, doc = cm.doc; + var result = prepareSelection(cm); + + // Move the hidden textarea near the cursor to prevent scrolling artifacts + if (cm.options.moveInputWithCursor) { + var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); + var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); + result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, + headPos.top + lineOff.top - wrapOff.top)); + result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, + headPos.left + lineOff.left - wrapOff.left)); + } + + return result; + }, + + showSelection: function(drawn) { + var cm = this.cm, display = cm.display; + removeChildrenAndAdd(display.cursorDiv, drawn.cursors); + removeChildrenAndAdd(display.selectionDiv, drawn.selection); + if (drawn.teTop != null) { + this.wrapper.style.top = drawn.teTop + "px"; + this.wrapper.style.left = drawn.teLeft + "px"; + } + }, + + // Reset the input to correspond to the selection (or to be empty, + // when not typing and nothing is selected) + reset: function(typing) { + if (this.contextMenuPending) return; + var minimal, selected, cm = this.cm, doc = cm.doc; + if (cm.somethingSelected()) { + this.prevInput = ""; + var range = doc.sel.primary(); + minimal = hasCopyEvent && + (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000); + var content = minimal ? "-" : selected || cm.getSelection(); + this.textarea.value = content; + if (cm.state.focused) selectInput(this.textarea); + if (ie && ie_version >= 9) this.hasSelection = content; + } else if (!typing) { + this.prevInput = this.textarea.value = ""; + if (ie && ie_version >= 9) this.hasSelection = null; + } + this.inaccurateSelection = minimal; + }, + + getField: function() { return this.textarea; }, + + supportsTouch: function() { return false; }, + + focus: function() { + if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { + try { this.textarea.focus(); } + catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM + } + }, + + blur: function() { this.textarea.blur(); }, + + resetPosition: function() { + this.wrapper.style.top = this.wrapper.style.left = 0; + }, + + receivedFocus: function() { this.slowPoll(); }, + + // Poll for input changes, using the normal rate of polling. This + // runs as long as the editor is focused. + slowPoll: function() { + var input = this; + if (input.pollingFast) return; + input.polling.set(this.cm.options.pollInterval, function() { + input.poll(); + if (input.cm.state.focused) input.slowPoll(); + }); + }, + + // When an event has just come in that is likely to add or change + // something in the input textarea, we poll faster, to ensure that + // the change appears on the screen quickly. + fastPoll: function() { + var missed = false, input = this; + input.pollingFast = true; + function p() { + var changed = input.poll(); + if (!changed && !missed) {missed = true; input.polling.set(60, p);} + else {input.pollingFast = false; input.slowPoll();} + } + input.polling.set(20, p); + }, + + // Read input from the textarea, and update the document to match. + // When something is selected, it is present in the textarea, and + // selected (unless it is huge, in which case a placeholder is + // used). When nothing is selected, the cursor sits after previously + // seen text (can be empty), which is stored in prevInput (we must + // not reset the textarea when typing, because that breaks IME). + poll: function() { + var cm = this.cm, input = this.textarea, prevInput = this.prevInput; + // Since this is called a *lot*, try to bail out as cheaply as + // possible when it is clear that nothing happened. hasSelection + // will be the case when there is a lot of text in the textarea, + // in which case reading its value would be expensive. + if (this.contextMenuPending || !cm.state.focused || + (hasSelection(input) && !prevInput && !this.composing) || + cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) + return false; + + var text = input.value; + // If nothing changed, bail. + if (text == prevInput && !cm.somethingSelected()) return false; + // Work around nonsensical selection resetting in IE9/10, and + // inexplicable appearance of private area unicode characters on + // some key combos in Mac (#2689). + if (ie && ie_version >= 9 && this.hasSelection === text || + mac && /[\uf700-\uf7ff]/.test(text)) { + cm.display.input.reset(); + return false; + } + + if (cm.doc.sel == cm.display.selForContextMenu) { + var first = text.charCodeAt(0); + if (first == 0x200b && !prevInput) prevInput = "\u200b"; + if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); } + } + // Find the part of the input that is actually new + var same = 0, l = Math.min(prevInput.length, text.length); + while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same; + + var self = this; + runInOp(cm, function() { + applyTextInput(cm, text.slice(same), prevInput.length - same, + null, self.composing ? "*compose" : null); + + // Don't leave long text in the textarea, since it makes further polling slow + if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = ""; + else self.prevInput = text; + + if (self.composing) { + self.composing.range.clear(); + self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"), + {className: "CodeMirror-composing"}); + } + }); + return true; + }, + + ensurePolled: function() { + if (this.pollingFast && this.poll()) this.pollingFast = false; + }, + + onKeyPress: function() { + if (ie && ie_version >= 9) this.hasSelection = null; + this.fastPoll(); + }, + + onContextMenu: function(e) { + var input = this, cm = input.cm, display = cm.display, te = input.textarea; + var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; + if (!pos || presto) return; // Opera is difficult. + + // Reset the current text selection only if the click is done outside of the selection + // and 'resetSelectionOnContextMenu' option is true. + var reset = cm.options.resetSelectionOnContextMenu; + if (reset && cm.doc.sel.contains(pos) == -1) + operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); + + var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; + input.wrapper.style.cssText = "position: absolute" + var wrapperBox = input.wrapper.getBoundingClientRect() + te.style.cssText = "position: absolute; width: 30px; height: 30px; top: " + (e.clientY - wrapperBox.top - 5) + + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px; z-index: 1000; background: " + + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + + "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; + if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712) + display.input.focus(); + if (webkit) window.scrollTo(null, oldScrollY); + display.input.reset(); + // Adds "Select all" to context menu in FF + if (!cm.somethingSelected()) te.value = input.prevInput = " "; + input.contextMenuPending = true; + display.selForContextMenu = cm.doc.sel; + clearTimeout(display.detectingSelectAll); + + // Select-all will be greyed out if there's nothing to select, so + // this adds a zero-width space so that we can later check whether + // it got selected. + function prepareSelectAllHack() { + if (te.selectionStart != null) { + var selected = cm.somethingSelected(); + var extval = "\u200b" + (selected ? te.value : ""); + te.value = "\u21da"; // Used to catch context-menu undo + te.value = extval; + input.prevInput = selected ? "" : "\u200b"; + te.selectionStart = 1; te.selectionEnd = extval.length; + // Re-set this, in case some other handler touched the + // selection in the meantime. + display.selForContextMenu = cm.doc.sel; + } + } + function rehide() { + input.contextMenuPending = false; + input.wrapper.style.cssText = oldWrapperCSS + te.style.cssText = oldCSS; + if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); + + // Try to detect the user choosing select-all + if (te.selectionStart != null) { + if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); + var i = 0, poll = function() { + if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && + te.selectionEnd > 0 && input.prevInput == "\u200b") + operation(cm, commands.selectAll)(cm); + else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500); + else display.input.reset(); + }; + display.detectingSelectAll = setTimeout(poll, 200); + } + } + + if (ie && ie_version >= 9) prepareSelectAllHack(); + if (captureRightClick) { + e_stop(e); + var mouseup = function() { + off(window, "mouseup", mouseup); + setTimeout(rehide, 20); + }; + on(window, "mouseup", mouseup); + } else { + setTimeout(rehide, 50); + } + }, + + readOnlyChanged: function(val) { + if (!val) this.reset(); + }, + + setUneditable: nothing, + + needsContentAttribute: false + }, TextareaInput.prototype); + + // CONTENTEDITABLE INPUT STYLE + + function ContentEditableInput(cm) { + this.cm = cm; + this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; + this.polling = new Delayed(); + this.gracePeriod = false; + } + + ContentEditableInput.prototype = copyObj({ + init: function(display) { + var input = this, cm = input.cm; + var div = input.div = display.lineDiv; + disableBrowserMagic(div); + + on(div, "paste", function(e) { + if (!signalDOMEvent(cm, e)) handlePaste(e, cm); + }) + + on(div, "compositionstart", function(e) { + var data = e.data; + input.composing = {sel: cm.doc.sel, data: data, startData: data}; + if (!data) return; + var prim = cm.doc.sel.primary(); + var line = cm.getLine(prim.head.line); + var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length)); + if (found > -1 && found <= prim.head.ch) + input.composing.sel = simpleSelection(Pos(prim.head.line, found), + Pos(prim.head.line, found + data.length)); + }); + on(div, "compositionupdate", function(e) { + input.composing.data = e.data; + }); + on(div, "compositionend", function(e) { + var ours = input.composing; + if (!ours) return; + if (e.data != ours.startData && !/\u200b/.test(e.data)) + ours.data = e.data; + // Need a small delay to prevent other code (input event, + // selection polling) from doing damage when fired right after + // compositionend. + setTimeout(function() { + if (!ours.handled) + input.applyComposition(ours); + if (input.composing == ours) + input.composing = null; + }, 50); + }); + + on(div, "touchstart", function() { + input.forceCompositionEnd(); + }); + + on(div, "input", function() { + if (input.composing) return; + if (cm.isReadOnly() || !input.pollContent()) + runInOp(input.cm, function() {regChange(cm);}); + }); + + function onCopyCut(e) { + if (signalDOMEvent(cm, e)) return + if (cm.somethingSelected()) { + lastCopied = {lineWise: false, text: cm.getSelections()}; + if (e.type == "cut") cm.replaceSelection("", null, "cut"); + } else if (!cm.options.lineWiseCopyCut) { + return; + } else { + var ranges = copyableRanges(cm); + lastCopied = {lineWise: true, text: ranges.text}; + if (e.type == "cut") { + cm.operation(function() { + cm.setSelections(ranges.ranges, 0, sel_dontScroll); + cm.replaceSelection("", null, "cut"); + }); + } + } + // iOS exposes the clipboard API, but seems to discard content inserted into it + if (e.clipboardData && !ios) { + e.preventDefault(); + e.clipboardData.clearData(); + e.clipboardData.setData("text/plain", lastCopied.text.join("\n")); + } else { + // Old-fashioned briefly-focus-a-textarea hack + var kludge = hiddenTextarea(), te = kludge.firstChild; + cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); + te.value = lastCopied.text.join("\n"); + var hadFocus = document.activeElement; + selectInput(te); + setTimeout(function() { + cm.display.lineSpace.removeChild(kludge); + hadFocus.focus(); + }, 50); + } + } + on(div, "copy", onCopyCut); + on(div, "cut", onCopyCut); + }, + + prepareSelection: function() { + var result = prepareSelection(this.cm, false); + result.focus = this.cm.state.focused; + return result; + }, + + showSelection: function(info, takeFocus) { + if (!info || !this.cm.display.view.length) return; + if (info.focus || takeFocus) this.showPrimarySelection(); + this.showMultipleSelections(info); + }, + + showPrimarySelection: function() { + var sel = window.getSelection(), prim = this.cm.doc.sel.primary(); + var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset); + var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset); + if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && + cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && + cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) + return; + + var start = posToDOM(this.cm, prim.from()); + var end = posToDOM(this.cm, prim.to()); + if (!start && !end) return; + + var view = this.cm.display.view; + var old = sel.rangeCount && sel.getRangeAt(0); + if (!start) { + start = {node: view[0].measure.map[2], offset: 0}; + } else if (!end) { // FIXME dangerously hacky + var measure = view[view.length - 1].measure; + var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; + end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; + } + + try { var rng = range(start.node, start.offset, end.offset, end.node); } + catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible + if (rng) { + if (!gecko && this.cm.state.focused) { + sel.collapse(start.node, start.offset); + if (!rng.collapsed) sel.addRange(rng); + } else { + sel.removeAllRanges(); + sel.addRange(rng); + } + if (old && sel.anchorNode == null) sel.addRange(old); + else if (gecko) this.startGracePeriod(); + } + this.rememberSelection(); + }, + + startGracePeriod: function() { + var input = this; + clearTimeout(this.gracePeriod); + this.gracePeriod = setTimeout(function() { + input.gracePeriod = false; + if (input.selectionChanged()) + input.cm.operation(function() { input.cm.curOp.selectionChanged = true; }); + }, 20); + }, + + showMultipleSelections: function(info) { + removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); + removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); + }, + + rememberSelection: function() { + var sel = window.getSelection(); + this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; + this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; + }, + + selectionInEditor: function() { + var sel = window.getSelection(); + if (!sel.rangeCount) return false; + var node = sel.getRangeAt(0).commonAncestorContainer; + return contains(this.div, node); + }, + + focus: function() { + if (this.cm.options.readOnly != "nocursor") this.div.focus(); + }, + blur: function() { this.div.blur(); }, + getField: function() { return this.div; }, + + supportsTouch: function() { return true; }, + + receivedFocus: function() { + var input = this; + if (this.selectionInEditor()) + this.pollSelection(); + else + runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; }); + + function poll() { + if (input.cm.state.focused) { + input.pollSelection(); + input.polling.set(input.cm.options.pollInterval, poll); + } + } + this.polling.set(this.cm.options.pollInterval, poll); + }, + + selectionChanged: function() { + var sel = window.getSelection(); + return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || + sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset; + }, + + pollSelection: function() { + if (!this.composing && !this.gracePeriod && this.selectionChanged()) { + var sel = window.getSelection(), cm = this.cm; + this.rememberSelection(); + var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var head = domToPos(cm, sel.focusNode, sel.focusOffset); + if (anchor && head) runInOp(cm, function() { + setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); + if (anchor.bad || head.bad) cm.curOp.selectionChanged = true; + }); + } + }, + + pollContent: function() { + var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); + var from = sel.from(), to = sel.to(); + if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false; + + var fromIndex; + if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { + var fromLine = lineNo(display.view[0].line); + var fromNode = display.view[0].node; + } else { + var fromLine = lineNo(display.view[fromIndex].line); + var fromNode = display.view[fromIndex - 1].node.nextSibling; + } + var toIndex = findViewIndex(cm, to.line); + if (toIndex == display.view.length - 1) { + var toLine = display.viewTo - 1; + var toNode = display.lineDiv.lastChild; + } else { + var toLine = lineNo(display.view[toIndex + 1].line) - 1; + var toNode = display.view[toIndex + 1].node.previousSibling; + } + + var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); + var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); + while (newText.length > 1 && oldText.length > 1) { + if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } + else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } + else break; + } + + var cutFront = 0, cutEnd = 0; + var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); + while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) + ++cutFront; + var newBot = lst(newText), oldBot = lst(oldText); + var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), + oldBot.length - (oldText.length == 1 ? cutFront : 0)); + while (cutEnd < maxCutEnd && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) + ++cutEnd; + + newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd); + newText[0] = newText[0].slice(cutFront); + + var chFrom = Pos(fromLine, cutFront); + var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); + if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { + replaceRange(cm.doc, newText, chFrom, chTo, "+input"); + return true; + } + }, + + ensurePolled: function() { + this.forceCompositionEnd(); + }, + reset: function() { + this.forceCompositionEnd(); + }, + forceCompositionEnd: function() { + if (!this.composing || this.composing.handled) return; + this.applyComposition(this.composing); + this.composing.handled = true; + this.div.blur(); + this.div.focus(); + }, + applyComposition: function(composing) { + if (this.cm.isReadOnly()) + operation(this.cm, regChange)(this.cm) + else if (composing.data && composing.data != composing.startData) + operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel); + }, + + setUneditable: function(node) { + node.contentEditable = "false" + }, + + onKeyPress: function(e) { + e.preventDefault(); + if (!this.cm.isReadOnly()) + operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); + }, + + readOnlyChanged: function(val) { + this.div.contentEditable = String(val != "nocursor") + }, + + onContextMenu: nothing, + resetPosition: nothing, + + needsContentAttribute: true + }, ContentEditableInput.prototype); + + function posToDOM(cm, pos) { + var view = findViewForLine(cm, pos.line); + if (!view || view.hidden) return null; + var line = getLine(cm.doc, pos.line); + var info = mapFromLineView(view, line, pos.line); + + var order = getOrder(line), side = "left"; + if (order) { + var partPos = getBidiPartAt(order, pos.ch); + side = partPos % 2 ? "right" : "left"; + } + var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); + result.offset = result.collapse == "right" ? result.end : result.start; + return result; + } + + function badPos(pos, bad) { if (bad) pos.bad = true; return pos; } + + function domToPos(cm, node, offset) { + var lineNode; + if (node == cm.display.lineDiv) { + lineNode = cm.display.lineDiv.childNodes[offset]; + if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true); + node = null; offset = 0; + } else { + for (lineNode = node;; lineNode = lineNode.parentNode) { + if (!lineNode || lineNode == cm.display.lineDiv) return null; + if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break; + } + } + for (var i = 0; i < cm.display.view.length; i++) { + var lineView = cm.display.view[i]; + if (lineView.node == lineNode) + return locateNodeInLineView(lineView, node, offset); + } + } + + function locateNodeInLineView(lineView, node, offset) { + var wrapper = lineView.text.firstChild, bad = false; + if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true); + if (node == wrapper) { + bad = true; + node = wrapper.childNodes[offset]; + offset = 0; + if (!node) { + var line = lineView.rest ? lst(lineView.rest) : lineView.line; + return badPos(Pos(lineNo(line), line.text.length), bad); + } + } + + var textNode = node.nodeType == 3 ? node : null, topNode = node; + if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { + textNode = node.firstChild; + if (offset) offset = textNode.nodeValue.length; + } + while (topNode.parentNode != wrapper) topNode = topNode.parentNode; + var measure = lineView.measure, maps = measure.maps; + + function find(textNode, topNode, offset) { + for (var i = -1; i < (maps ? maps.length : 0); i++) { + var map = i < 0 ? measure.map : maps[i]; + for (var j = 0; j < map.length; j += 3) { + var curNode = map[j + 2]; + if (curNode == textNode || curNode == topNode) { + var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); + var ch = map[j] + offset; + if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)]; + return Pos(line, ch); + } + } + } + } + var found = find(textNode, topNode, offset); + if (found) return badPos(found, bad); + + // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems + for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { + found = find(after, after.firstChild, 0); + if (found) + return badPos(Pos(found.line, found.ch - dist), bad); + else + dist += after.textContent.length; + } + for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) { + found = find(before, before.firstChild, -1); + if (found) + return badPos(Pos(found.line, found.ch + dist), bad); + else + dist += after.textContent.length; + } + } + + function domTextBetween(cm, from, to, fromLine, toLine) { + var text = "", closing = false, lineSep = cm.doc.lineSeparator(); + function recognizeMarker(id) { return function(marker) { return marker.id == id; }; } + function walk(node) { + if (node.nodeType == 1) { + var cmText = node.getAttribute("cm-text"); + if (cmText != null) { + if (cmText == "") cmText = node.textContent.replace(/\u200b/g, ""); + text += cmText; + return; + } + var markerID = node.getAttribute("cm-marker"), range; + if (markerID) { + var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); + if (found.length && (range = found[0].find())) + text += getBetween(cm.doc, range.from, range.to).join(lineSep); + return; + } + if (node.getAttribute("contenteditable") == "false") return; + for (var i = 0; i < node.childNodes.length; i++) + walk(node.childNodes[i]); + if (/^(pre|div|p)$/i.test(node.nodeName)) + closing = true; + } else if (node.nodeType == 3) { + var val = node.nodeValue; + if (!val) return; + if (closing) { + text += lineSep; + closing = false; + } + text += val; + } + } + for (;;) { + walk(from); + if (from == to) break; + from = from.nextSibling; + } + return text; + } + + CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; + + // SELECTION / CURSOR + + // Selection objects are immutable. A new one is created every time + // the selection changes. A selection is one or more non-overlapping + // (and non-touching) ranges, sorted, and an integer that indicates + // which one is the primary selection (the one that's scrolled into + // view, that getCursor returns, etc). + function Selection(ranges, primIndex) { + this.ranges = ranges; + this.primIndex = primIndex; + } + + Selection.prototype = { + primary: function() { return this.ranges[this.primIndex]; }, + equals: function(other) { + if (other == this) return true; + if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false; + for (var i = 0; i < this.ranges.length; i++) { + var here = this.ranges[i], there = other.ranges[i]; + if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false; + } + return true; + }, + deepCopy: function() { + for (var out = [], i = 0; i < this.ranges.length; i++) + out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); + return new Selection(out, this.primIndex); + }, + somethingSelected: function() { + for (var i = 0; i < this.ranges.length; i++) + if (!this.ranges[i].empty()) return true; + return false; + }, + contains: function(pos, end) { + if (!end) end = pos; + for (var i = 0; i < this.ranges.length; i++) { + var range = this.ranges[i]; + if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) + return i; + } + return -1; + } + }; + + function Range(anchor, head) { + this.anchor = anchor; this.head = head; + } + + Range.prototype = { + from: function() { return minPos(this.anchor, this.head); }, + to: function() { return maxPos(this.anchor, this.head); }, + empty: function() { + return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch; + } + }; + + // Take an unsorted, potentially overlapping set of ranges, and + // build a selection out of it. 'Consumes' ranges array (modifying + // it). + function normalizeSelection(ranges, primIndex) { + var prim = ranges[primIndex]; + ranges.sort(function(a, b) { return cmp(a.from(), b.from()); }); + primIndex = indexOf(ranges, prim); + for (var i = 1; i < ranges.length; i++) { + var cur = ranges[i], prev = ranges[i - 1]; + if (cmp(prev.to(), cur.from()) >= 0) { + var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); + var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; + if (i <= primIndex) --primIndex; + ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); + } + } + return new Selection(ranges, primIndex); + } + + function simpleSelection(anchor, head) { + return new Selection([new Range(anchor, head || anchor)], 0); + } + + // Most of the external API clips given positions to make sure they + // actually exist within the document. + function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));} + function clipPos(doc, pos) { + if (pos.line < doc.first) return Pos(doc.first, 0); + var last = doc.first + doc.size - 1; + if (pos.line > last) return Pos(last, getLine(doc, last).text.length); + return clipToLen(pos, getLine(doc, pos.line).text.length); + } + function clipToLen(pos, linelen) { + var ch = pos.ch; + if (ch == null || ch > linelen) return Pos(pos.line, linelen); + else if (ch < 0) return Pos(pos.line, 0); + else return pos; + } + function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;} + function clipPosArray(doc, array) { + for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]); + return out; + } + + // SELECTION UPDATES + + // The 'scroll' parameter given to many of these indicated whether + // the new cursor position should be scrolled into view after + // modifying the selection. + + // If shift is held or the extend flag is set, extends a range to + // include a given position (and optionally a second position). + // Otherwise, simply returns the range between the given positions. + // Used for cursor motion and such. + function extendRange(doc, range, head, other) { + if (doc.cm && doc.cm.display.shift || doc.extend) { + var anchor = range.anchor; + if (other) { + var posBefore = cmp(head, anchor) < 0; + if (posBefore != (cmp(other, anchor) < 0)) { + anchor = head; + head = other; + } else if (posBefore != (cmp(head, other) < 0)) { + head = other; + } + } + return new Range(anchor, head); + } else { + return new Range(other || head, head); + } + } + + // Extend the primary selection range, discard the rest. + function extendSelection(doc, head, other, options) { + setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options); + } + + // Extend all selections (pos is an array of selections with length + // equal the number of selections) + function extendSelections(doc, heads, options) { + for (var out = [], i = 0; i < doc.sel.ranges.length; i++) + out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null); + var newSel = normalizeSelection(out, doc.sel.primIndex); + setSelection(doc, newSel, options); + } + + // Updates a single range in the selection. + function replaceOneSelection(doc, i, range, options) { + var ranges = doc.sel.ranges.slice(0); + ranges[i] = range; + setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options); + } + + // Reset the selection to a single range. + function setSimpleSelection(doc, anchor, head, options) { + setSelection(doc, simpleSelection(anchor, head), options); + } + + // Give beforeSelectionChange handlers a change to influence a + // selection update. + function filterSelectionChange(doc, sel, options) { + var obj = { + ranges: sel.ranges, + update: function(ranges) { + this.ranges = []; + for (var i = 0; i < ranges.length; i++) + this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), + clipPos(doc, ranges[i].head)); + }, + origin: options && options.origin + }; + signal(doc, "beforeSelectionChange", doc, obj); + if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj); + if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1); + else return sel; + } + + function setSelectionReplaceHistory(doc, sel, options) { + var done = doc.history.done, last = lst(done); + if (last && last.ranges) { + done[done.length - 1] = sel; + setSelectionNoUndo(doc, sel, options); + } else { + setSelection(doc, sel, options); + } + } + + // Set a new selection. + function setSelection(doc, sel, options) { + setSelectionNoUndo(doc, sel, options); + addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); + } + + function setSelectionNoUndo(doc, sel, options) { + if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) + sel = filterSelectionChange(doc, sel, options); + + var bias = options && options.bias || + (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); + setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); + + if (!(options && options.scroll === false) && doc.cm) + ensureCursorVisible(doc.cm); + } + + function setSelectionInner(doc, sel) { + if (sel.equals(doc.sel)) return; + + doc.sel = sel; + + if (doc.cm) { + doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true; + signalCursorActivity(doc.cm); + } + signalLater(doc, "cursorActivity", doc); + } + + // Verify that the selection does not partially select any atomic + // marked ranges. + function reCheckSelection(doc) { + setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll); + } + + // Return a selection that does not partially select any atomic + // ranges. + function skipAtomicInSelection(doc, sel, bias, mayClear) { + var out; + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i]; + var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; + var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); + var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear); + if (out || newAnchor != range.anchor || newHead != range.head) { + if (!out) out = sel.ranges.slice(0, i); + out[i] = new Range(newAnchor, newHead); + } + } + return out ? normalizeSelection(out, sel.primIndex) : sel; + } + + function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { + var line = getLine(doc, pos.line); + if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { + var sp = line.markedSpans[i], m = sp.marker; + if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && + (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { + if (mayClear) { + signal(m, "beforeCursorEnter"); + if (m.explicitlyCleared) { + if (!line.markedSpans) break; + else {--i; continue;} + } + } + if (!m.atomic) continue; + + if (oldPos) { + var near = m.find(dir < 0 ? 1 : -1), diff; + if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) + near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); + if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) + return skipAtomicInner(doc, near, pos, dir, mayClear); + } + + var far = m.find(dir < 0 ? -1 : 1); + if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) + far = movePos(doc, far, dir, far.line == pos.line ? line : null); + return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null; + } + } + return pos; + } + + // Ensure a given position is not inside an atomic range. + function skipAtomic(doc, pos, oldPos, bias, mayClear) { + var dir = bias || 1; + var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || + skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); + if (!found) { + doc.cantEdit = true; + return Pos(doc.first, 0); + } + return found; + } + + function movePos(doc, pos, dir, line) { + if (dir < 0 && pos.ch == 0) { + if (pos.line > doc.first) return clipPos(doc, Pos(pos.line - 1)); + else return null; + } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { + if (pos.line < doc.first + doc.size - 1) return Pos(pos.line + 1, 0); + else return null; + } else { + return new Pos(pos.line, pos.ch + dir); + } + } + + // SELECTION DRAWING + + function updateSelection(cm) { + cm.display.input.showSelection(cm.display.input.prepareSelection()); + } + + function prepareSelection(cm, primary) { + var doc = cm.doc, result = {}; + var curFragment = result.cursors = document.createDocumentFragment(); + var selFragment = result.selection = document.createDocumentFragment(); + + for (var i = 0; i < doc.sel.ranges.length; i++) { + if (primary === false && i == doc.sel.primIndex) continue; + var range = doc.sel.ranges[i]; + if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) continue; + var collapsed = range.empty(); + if (collapsed || cm.options.showCursorWhenSelecting) + drawSelectionCursor(cm, range.head, curFragment); + if (!collapsed) + drawSelectionRange(cm, range, selFragment); + } + return result; + } + + // Draws a cursor for the given range + function drawSelectionCursor(cm, head, output) { + var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); + + var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); + cursor.style.left = pos.left + "px"; + cursor.style.top = pos.top + "px"; + cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; + + if (pos.other) { + // Secondary cursor, shown when on a 'jump' in bi-directional text + var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); + otherCursor.style.display = ""; + otherCursor.style.left = pos.other.left + "px"; + otherCursor.style.top = pos.other.top + "px"; + otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; + } + } + + // Draws the given range as a highlighted selection + function drawSelectionRange(cm, range, output) { + var display = cm.display, doc = cm.doc; + var fragment = document.createDocumentFragment(); + var padding = paddingH(cm.display), leftSide = padding.left; + var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; + + function add(left, top, width, bottom) { + if (top < 0) top = 0; + top = Math.round(top); + bottom = Math.round(bottom); + fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + + "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) + + "px; height: " + (bottom - top) + "px")); + } + + function drawForLine(line, fromArg, toArg) { + var lineObj = getLine(doc, line); + var lineLen = lineObj.text.length; + var start, end; + function coords(ch, bias) { + return charCoords(cm, Pos(line, ch), "div", lineObj, bias); + } + + iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) { + var leftPos = coords(from, "left"), rightPos, left, right; + if (from == to) { + rightPos = leftPos; + left = right = leftPos.left; + } else { + rightPos = coords(to - 1, "right"); + if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; } + left = leftPos.left; + right = rightPos.right; + } + if (fromArg == null && from == 0) left = leftSide; + if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part + add(left, leftPos.top, null, leftPos.bottom); + left = leftSide; + if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top); + } + if (toArg == null && to == lineLen) right = rightSide; + if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) + start = leftPos; + if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) + end = rightPos; + if (left < leftSide + 1) left = leftSide; + add(left, rightPos.top, right - left, rightPos.bottom); + }); + return {start: start, end: end}; + } + + var sFrom = range.from(), sTo = range.to(); + if (sFrom.line == sTo.line) { + drawForLine(sFrom.line, sFrom.ch, sTo.ch); + } else { + var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); + var singleVLine = visualLine(fromLine) == visualLine(toLine); + var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; + var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; + if (singleVLine) { + if (leftEnd.top < rightStart.top - 2) { + add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); + add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); + } else { + add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); + } + } + if (leftEnd.bottom < rightStart.top) + add(leftSide, leftEnd.bottom, null, rightStart.top); + } + + output.appendChild(fragment); + } + + // Cursor-blinking + function restartBlink(cm) { + if (!cm.state.focused) return; + var display = cm.display; + clearInterval(display.blinker); + var on = true; + display.cursorDiv.style.visibility = ""; + if (cm.options.cursorBlinkRate > 0) + display.blinker = setInterval(function() { + display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; + }, cm.options.cursorBlinkRate); + else if (cm.options.cursorBlinkRate < 0) + display.cursorDiv.style.visibility = "hidden"; + } + + // HIGHLIGHT WORKER + + function startWorker(cm, time) { + if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo) + cm.state.highlight.set(time, bind(highlightWorker, cm)); + } + + function highlightWorker(cm) { + var doc = cm.doc; + if (doc.frontier < doc.first) doc.frontier = doc.first; + if (doc.frontier >= cm.display.viewTo) return; + var end = +new Date + cm.options.workTime; + var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)); + var changedLines = []; + + doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) { + if (doc.frontier >= cm.display.viewFrom) { // Visible + var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength; + var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true); + line.styles = highlighted.styles; + var oldCls = line.styleClasses, newCls = highlighted.classes; + if (newCls) line.styleClasses = newCls; + else if (oldCls) line.styleClasses = null; + var ischange = !oldStyles || oldStyles.length != line.styles.length || + oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); + for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]; + if (ischange) changedLines.push(doc.frontier); + line.stateAfter = tooLong ? state : copyState(doc.mode, state); + } else { + if (line.text.length <= cm.options.maxHighlightLength) + processLine(cm, line.text, state); + line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; + } + ++doc.frontier; + if (+new Date > end) { + startWorker(cm, cm.options.workDelay); + return true; + } + }); + if (changedLines.length) runInOp(cm, function() { + for (var i = 0; i < changedLines.length; i++) + regLineChange(cm, changedLines[i], "text"); + }); + } + + // Finds the line to start with when starting a parse. Tries to + // find a line with a stateAfter, so that it can start with a + // valid state. If that fails, it returns the line with the + // smallest indentation, which tends to need the least context to + // parse correctly. + function findStartLine(cm, n, precise) { + var minindent, minline, doc = cm.doc; + var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); + for (var search = n; search > lim; --search) { + if (search <= doc.first) return doc.first; + var line = getLine(doc, search - 1); + if (line.stateAfter && (!precise || search <= doc.frontier)) return search; + var indented = countColumn(line.text, null, cm.options.tabSize); + if (minline == null || minindent > indented) { + minline = search - 1; + minindent = indented; + } + } + return minline; + } + + function getStateBefore(cm, n, precise) { + var doc = cm.doc, display = cm.display; + if (!doc.mode.startState) return true; + var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter; + if (!state) state = startState(doc.mode); + else state = copyState(doc.mode, state); + doc.iter(pos, n, function(line) { + processLine(cm, line.text, state); + var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo; + line.stateAfter = save ? copyState(doc.mode, state) : null; + ++pos; + }); + if (precise) doc.frontier = pos; + return state; + } + + // POSITION MEASUREMENT + + function paddingTop(display) {return display.lineSpace.offsetTop;} + function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;} + function paddingH(display) { + if (display.cachedPaddingH) return display.cachedPaddingH; + var e = removeChildrenAndAdd(display.measure, elt("pre", "x")); + var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; + var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; + if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data; + return data; + } + + function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; } + function displayWidth(cm) { + return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth; + } + function displayHeight(cm) { + return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight; + } + + // Ensure the lineView.wrapping.heights array is populated. This is + // an array of bottom offsets for the lines that make up a drawn + // line. When lineWrapping is on, there might be more than one + // height. + function ensureLineHeights(cm, lineView, rect) { + var wrapping = cm.options.lineWrapping; + var curWidth = wrapping && displayWidth(cm); + if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { + var heights = lineView.measure.heights = []; + if (wrapping) { + lineView.measure.width = curWidth; + var rects = lineView.text.firstChild.getClientRects(); + for (var i = 0; i < rects.length - 1; i++) { + var cur = rects[i], next = rects[i + 1]; + if (Math.abs(cur.bottom - next.bottom) > 2) + heights.push((cur.bottom + next.top) / 2 - rect.top); + } + } + heights.push(rect.bottom - rect.top); + } + } + + // Find a line map (mapping character offsets to text nodes) and a + // measurement cache for the given line number. (A line view might + // contain multiple lines when collapsed ranges are present.) + function mapFromLineView(lineView, line, lineN) { + if (lineView.line == line) + return {map: lineView.measure.map, cache: lineView.measure.cache}; + for (var i = 0; i < lineView.rest.length; i++) + if (lineView.rest[i] == line) + return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]}; + for (var i = 0; i < lineView.rest.length; i++) + if (lineNo(lineView.rest[i]) > lineN) + return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true}; + } + + // Render a line into the hidden node display.externalMeasured. Used + // when measurement is needed for a line that's not in the viewport. + function updateExternalMeasurement(cm, line) { + line = visualLine(line); + var lineN = lineNo(line); + var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); + view.lineN = lineN; + var built = view.built = buildLineContent(cm, view); + view.text = built.pre; + removeChildrenAndAdd(cm.display.lineMeasure, built.pre); + return view; + } + + // Get a {top, bottom, left, right} box (in line-local coordinates) + // for a given character. + function measureChar(cm, line, ch, bias) { + return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias); + } + + // Find a line view that corresponds to the given line number. + function findViewForLine(cm, lineN) { + if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) + return cm.display.view[findViewIndex(cm, lineN)]; + var ext = cm.display.externalMeasured; + if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) + return ext; + } + + // Measurement can be split in two steps, the set-up work that + // applies to the whole line, and the measurement of the actual + // character. Functions like coordsChar, that need to do a lot of + // measurements in a row, can thus ensure that the set-up work is + // only done once. + function prepareMeasureForLine(cm, line) { + var lineN = lineNo(line); + var view = findViewForLine(cm, lineN); + if (view && !view.text) { + view = null; + } else if (view && view.changes) { + updateLineForChanges(cm, view, lineN, getDimensions(cm)); + cm.curOp.forceUpdate = true; + } + if (!view) + view = updateExternalMeasurement(cm, line); + + var info = mapFromLineView(view, line, lineN); + return { + line: line, view: view, rect: null, + map: info.map, cache: info.cache, before: info.before, + hasHeights: false + }; + } + + // Given a prepared measurement object, measures the position of an + // actual character (or fetches it from the cache). + function measureCharPrepared(cm, prepared, ch, bias, varHeight) { + if (prepared.before) ch = -1; + var key = ch + (bias || ""), found; + if (prepared.cache.hasOwnProperty(key)) { + found = prepared.cache[key]; + } else { + if (!prepared.rect) + prepared.rect = prepared.view.text.getBoundingClientRect(); + if (!prepared.hasHeights) { + ensureLineHeights(cm, prepared.view, prepared.rect); + prepared.hasHeights = true; + } + found = measureCharInner(cm, prepared, ch, bias); + if (!found.bogus) prepared.cache[key] = found; + } + return {left: found.left, right: found.right, + top: varHeight ? found.rtop : found.top, + bottom: varHeight ? found.rbottom : found.bottom}; + } + + var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; + + function nodeAndOffsetInLineMap(map, ch, bias) { + var node, start, end, collapse; + // First, search the line map for the text node corresponding to, + // or closest to, the target character. + for (var i = 0; i < map.length; i += 3) { + var mStart = map[i], mEnd = map[i + 1]; + if (ch < mStart) { + start = 0; end = 1; + collapse = "left"; + } else if (ch < mEnd) { + start = ch - mStart; + end = start + 1; + } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { + end = mEnd - mStart; + start = end - 1; + if (ch >= mEnd) collapse = "right"; + } + if (start != null) { + node = map[i + 2]; + if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) + collapse = bias; + if (bias == "left" && start == 0) + while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { + node = map[(i -= 3) + 2]; + collapse = "left"; + } + if (bias == "right" && start == mEnd - mStart) + while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { + node = map[(i += 3) + 2]; + collapse = "right"; + } + break; + } + } + return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}; + } + + function getUsefulRect(rects, bias) { + var rect = nullRect + if (bias == "left") for (var i = 0; i < rects.length; i++) { + if ((rect = rects[i]).left != rect.right) break + } else for (var i = rects.length - 1; i >= 0; i--) { + if ((rect = rects[i]).left != rect.right) break + } + return rect + } + + function measureCharInner(cm, prepared, ch, bias) { + var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); + var node = place.node, start = place.start, end = place.end, collapse = place.collapse; + + var rect; + if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. + for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned + while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start; + while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end; + if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) + rect = node.parentNode.getBoundingClientRect(); + else + rect = getUsefulRect(range(node, start, end).getClientRects(), bias) + if (rect.left || rect.right || start == 0) break; + end = start; + start = start - 1; + collapse = "right"; + } + if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect); + } else { // If it is a widget, simply get the box for the whole widget. + if (start > 0) collapse = bias = "right"; + var rects; + if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) + rect = rects[bias == "right" ? rects.length - 1 : 0]; + else + rect = node.getBoundingClientRect(); + } + if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { + var rSpan = node.parentNode.getClientRects()[0]; + if (rSpan) + rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; + else + rect = nullRect; + } + + var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; + var mid = (rtop + rbot) / 2; + var heights = prepared.view.measure.heights; + for (var i = 0; i < heights.length - 1; i++) + if (mid < heights[i]) break; + var top = i ? heights[i - 1] : 0, bot = heights[i]; + var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, + right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, + top: top, bottom: bot}; + if (!rect.left && !rect.right) result.bogus = true; + if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } + + return result; + } + + // Work around problem with bounding client rects on ranges being + // returned incorrectly when zoomed on IE10 and below. + function maybeUpdateRectForZooming(measure, rect) { + if (!window.screen || screen.logicalXDPI == null || + screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) + return rect; + var scaleX = screen.logicalXDPI / screen.deviceXDPI; + var scaleY = screen.logicalYDPI / screen.deviceYDPI; + return {left: rect.left * scaleX, right: rect.right * scaleX, + top: rect.top * scaleY, bottom: rect.bottom * scaleY}; + } + + function clearLineMeasurementCacheFor(lineView) { + if (lineView.measure) { + lineView.measure.cache = {}; + lineView.measure.heights = null; + if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) + lineView.measure.caches[i] = {}; + } + } + + function clearLineMeasurementCache(cm) { + cm.display.externalMeasure = null; + removeChildren(cm.display.lineMeasure); + for (var i = 0; i < cm.display.view.length; i++) + clearLineMeasurementCacheFor(cm.display.view[i]); + } + + function clearCaches(cm) { + clearLineMeasurementCache(cm); + cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; + if (!cm.options.lineWrapping) cm.display.maxLineChanged = true; + cm.display.lineNumChars = null; + } + + function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; } + function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; } + + // Converts a {top, bottom, left, right} box from line-local + // coordinates into another coordinate system. Context may be one of + // "line", "div" (display.lineDiv), "local"/null (editor), "window", + // or "page". + function intoCoordSystem(cm, lineObj, rect, context) { + if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) { + var size = widgetHeight(lineObj.widgets[i]); + rect.top += size; rect.bottom += size; + } + if (context == "line") return rect; + if (!context) context = "local"; + var yOff = heightAtLine(lineObj); + if (context == "local") yOff += paddingTop(cm.display); + else yOff -= cm.display.viewOffset; + if (context == "page" || context == "window") { + var lOff = cm.display.lineSpace.getBoundingClientRect(); + yOff += lOff.top + (context == "window" ? 0 : pageScrollY()); + var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()); + rect.left += xOff; rect.right += xOff; + } + rect.top += yOff; rect.bottom += yOff; + return rect; + } + + // Coverts a box from "div" coords to another coordinate system. + // Context may be "window", "page", "div", or "local"/null. + function fromCoordSystem(cm, coords, context) { + if (context == "div") return coords; + var left = coords.left, top = coords.top; + // First move into "page" coordinate system + if (context == "page") { + left -= pageScrollX(); + top -= pageScrollY(); + } else if (context == "local" || !context) { + var localBox = cm.display.sizer.getBoundingClientRect(); + left += localBox.left; + top += localBox.top; + } + + var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); + return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}; + } + + function charCoords(cm, pos, context, lineObj, bias) { + if (!lineObj) lineObj = getLine(cm.doc, pos.line); + return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context); + } + + // Returns a box for a given cursor position, which may have an + // 'other' property containing the position of the secondary cursor + // on a bidi boundary. + function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { + lineObj = lineObj || getLine(cm.doc, pos.line); + if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj); + function get(ch, right) { + var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); + if (right) m.left = m.right; else m.right = m.left; + return intoCoordSystem(cm, lineObj, m, context); + } + function getBidi(ch, partPos) { + var part = order[partPos], right = part.level % 2; + if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { + part = order[--partPos]; + ch = bidiRight(part) - (part.level % 2 ? 0 : 1); + right = true; + } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) { + part = order[++partPos]; + ch = bidiLeft(part) - part.level % 2; + right = false; + } + if (right && ch == part.to && ch > part.from) return get(ch - 1); + return get(ch, right); + } + var order = getOrder(lineObj), ch = pos.ch; + if (!order) return get(ch); + var partPos = getBidiPartAt(order, ch); + var val = getBidi(ch, partPos); + if (bidiOther != null) val.other = getBidi(ch, bidiOther); + return val; + } + + // Used to cheaply estimate the coordinates for a position. Used for + // intermediate scroll updates. + function estimateCoords(cm, pos) { + var left = 0, pos = clipPos(cm.doc, pos); + if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch; + var lineObj = getLine(cm.doc, pos.line); + var top = heightAtLine(lineObj) + paddingTop(cm.display); + return {left: left, right: left, top: top, bottom: top + lineObj.height}; + } + + // Positions returned by coordsChar contain some extra information. + // xRel is the relative x position of the input coordinates compared + // to the found position (so xRel > 0 means the coordinates are to + // the right of the character position, for example). When outside + // is true, that means the coordinates lie outside the line's + // vertical range. + function PosWithInfo(line, ch, outside, xRel) { + var pos = Pos(line, ch); + pos.xRel = xRel; + if (outside) pos.outside = true; + return pos; + } + + // Compute the character position closest to the given coordinates. + // Input must be lineSpace-local ("div" coordinate system). + function coordsChar(cm, x, y) { + var doc = cm.doc; + y += cm.display.viewOffset; + if (y < 0) return PosWithInfo(doc.first, 0, true, -1); + var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; + if (lineN > last) + return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1); + if (x < 0) x = 0; + + var lineObj = getLine(doc, lineN); + for (;;) { + var found = coordsCharInner(cm, lineObj, lineN, x, y); + var merged = collapsedSpanAtEnd(lineObj); + var mergedPos = merged && merged.find(0, true); + if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) + lineN = lineNo(lineObj = mergedPos.to.line); + else + return found; + } + } + + function coordsCharInner(cm, lineObj, lineNo, x, y) { + var innerOff = y - heightAtLine(lineObj); + var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth; + var preparedMeasure = prepareMeasureForLine(cm, lineObj); + + function getX(ch) { + var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure); + wrongLine = true; + if (innerOff > sp.bottom) return sp.left - adjust; + else if (innerOff < sp.top) return sp.left + adjust; + else wrongLine = false; + return sp.left; + } + + var bidi = getOrder(lineObj), dist = lineObj.text.length; + var from = lineLeft(lineObj), to = lineRight(lineObj); + var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine; + + if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1); + // Do a binary search between these bounds. + for (;;) { + if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) { + var ch = x < fromX || x - fromX <= toX - x ? from : to; + var outside = ch == from ? fromOutside : toOutside + var xDiff = x - (ch == from ? fromX : toX); + // This is a kludge to handle the case where the coordinates + // are after a line-wrapped line. We should replace it with a + // more general handling of cursor positions around line + // breaks. (Issue #4078) + if (toOutside && !bidi && !/\s/.test(lineObj.text.charAt(ch)) && xDiff > 0 && + ch < lineObj.text.length && preparedMeasure.view.measure.heights.length > 1) { + var charSize = measureCharPrepared(cm, preparedMeasure, ch, "right"); + if (innerOff <= charSize.bottom && innerOff >= charSize.top && Math.abs(x - charSize.right) < xDiff) { + outside = false + ch++ + xDiff = x - charSize.right + } + } + while (isExtendingChar(lineObj.text.charAt(ch))) ++ch; + var pos = PosWithInfo(lineNo, ch, outside, xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0); + return pos; + } + var step = Math.ceil(dist / 2), middle = from + step; + if (bidi) { + middle = from; + for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1); + } + var middleX = getX(middle); + if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;} + else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;} + } + } + + var measureText; + // Compute the default text height. + function textHeight(display) { + if (display.cachedTextHeight != null) return display.cachedTextHeight; + if (measureText == null) { + measureText = elt("pre"); + // Measure a bunch of lines, for browsers that compute + // fractional heights. + for (var i = 0; i < 49; ++i) { + measureText.appendChild(document.createTextNode("x")); + measureText.appendChild(elt("br")); + } + measureText.appendChild(document.createTextNode("x")); + } + removeChildrenAndAdd(display.measure, measureText); + var height = measureText.offsetHeight / 50; + if (height > 3) display.cachedTextHeight = height; + removeChildren(display.measure); + return height || 1; + } + + // Compute the default character width. + function charWidth(display) { + if (display.cachedCharWidth != null) return display.cachedCharWidth; + var anchor = elt("span", "xxxxxxxxxx"); + var pre = elt("pre", [anchor]); + removeChildrenAndAdd(display.measure, pre); + var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; + if (width > 2) display.cachedCharWidth = width; + return width || 10; + } + + // OPERATIONS + + // Operations are used to wrap a series of changes to the editor + // state in such a way that each change won't have to update the + // cursor and display (which would be awkward, slow, and + // error-prone). Instead, display updates are batched and then all + // combined and executed at once. + + var operationGroup = null; + + var nextOpId = 0; + // Start a new operation. + function startOperation(cm) { + cm.curOp = { + cm: cm, + viewChanged: false, // Flag that indicates that lines might need to be redrawn + startHeight: cm.doc.height, // Used to detect need to update scrollbar + forceUpdate: false, // Used to force a redraw + updateInput: null, // Whether to reset the input textarea + typing: false, // Whether this reset should be careful to leave existing text (for compositing) + changeObjs: null, // Accumulated changes, for firing change events + cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on + cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already + selectionChanged: false, // Whether the selection needs to be redrawn + updateMaxLine: false, // Set when the widest line needs to be determined anew + scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet + scrollToPos: null, // Used to scroll to a specific position + focus: false, + id: ++nextOpId // Unique ID + }; + if (operationGroup) { + operationGroup.ops.push(cm.curOp); + } else { + cm.curOp.ownsGroup = operationGroup = { + ops: [cm.curOp], + delayedCallbacks: [] + }; + } + } + + function fireCallbacksForOps(group) { + // Calls delayed callbacks and cursorActivity handlers until no + // new ones appear + var callbacks = group.delayedCallbacks, i = 0; + do { + for (; i < callbacks.length; i++) + callbacks[i].call(null); + for (var j = 0; j < group.ops.length; j++) { + var op = group.ops[j]; + if (op.cursorActivityHandlers) + while (op.cursorActivityCalled < op.cursorActivityHandlers.length) + op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); + } + } while (i < callbacks.length); + } + + // Finish an operation, updating the display and signalling delayed events + function endOperation(cm) { + var op = cm.curOp, group = op.ownsGroup; + if (!group) return; + + try { fireCallbacksForOps(group); } + finally { + operationGroup = null; + for (var i = 0; i < group.ops.length; i++) + group.ops[i].cm.curOp = null; + endOperations(group); + } + } + + // The DOM updates done when an operation finishes are batched so + // that the minimum number of relayouts are required. + function endOperations(group) { + var ops = group.ops; + for (var i = 0; i < ops.length; i++) // Read DOM + endOperation_R1(ops[i]); + for (var i = 0; i < ops.length; i++) // Write DOM (maybe) + endOperation_W1(ops[i]); + for (var i = 0; i < ops.length; i++) // Read DOM + endOperation_R2(ops[i]); + for (var i = 0; i < ops.length; i++) // Write DOM (maybe) + endOperation_W2(ops[i]); + for (var i = 0; i < ops.length; i++) // Read DOM + endOperation_finish(ops[i]); + } + + function endOperation_R1(op) { + var cm = op.cm, display = cm.display; + maybeClipScrollbars(cm); + if (op.updateMaxLine) findMaxLine(cm); + + op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || + op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || + op.scrollToPos.to.line >= display.viewTo) || + display.maxLineChanged && cm.options.lineWrapping; + op.update = op.mustUpdate && + new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); + } + + function endOperation_W1(op) { + op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); + } + + function endOperation_R2(op) { + var cm = op.cm, display = cm.display; + if (op.updatedDisplay) updateHeightsInViewport(cm); + + op.barMeasure = measureForScrollbars(cm); + + // If the max line changed since it was last measured, measure it, + // and ensure the document's width matches it. + // updateDisplay_W2 will use these properties to do the actual resizing + if (display.maxLineChanged && !cm.options.lineWrapping) { + op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; + cm.display.sizerWidth = op.adjustWidthTo; + op.barMeasure.scrollWidth = + Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); + op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); + } + + if (op.updatedDisplay || op.selectionChanged) + op.preparedSelection = display.input.prepareSelection(op.focus); + } + + function endOperation_W2(op) { + var cm = op.cm; + + if (op.adjustWidthTo != null) { + cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; + if (op.maxScrollLeft < cm.doc.scrollLeft) + setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); + cm.display.maxLineChanged = false; + } + + var takeFocus = op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus()) + if (op.preparedSelection) + cm.display.input.showSelection(op.preparedSelection, takeFocus); + if (op.updatedDisplay || op.startHeight != cm.doc.height) + updateScrollbars(cm, op.barMeasure); + if (op.updatedDisplay) + setDocumentHeight(cm, op.barMeasure); + + if (op.selectionChanged) restartBlink(cm); + + if (cm.state.focused && op.updateInput) + cm.display.input.reset(op.typing); + if (takeFocus) ensureFocus(op.cm); + } + + function endOperation_finish(op) { + var cm = op.cm, display = cm.display, doc = cm.doc; + + if (op.updatedDisplay) postUpdateDisplay(cm, op.update); + + // Abort mouse wheel delta measurement, when scrolling explicitly + if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) + display.wheelStartX = display.wheelStartY = null; + + // Propagate the scroll position to the actual DOM scroller + if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { + doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)); + display.scrollbars.setScrollTop(doc.scrollTop); + display.scroller.scrollTop = doc.scrollTop; + } + if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { + doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft)); + display.scrollbars.setScrollLeft(doc.scrollLeft); + display.scroller.scrollLeft = doc.scrollLeft; + alignHorizontally(cm); + } + // If we need to scroll a specific position into view, do so. + if (op.scrollToPos) { + var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), + clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); + if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords); + } + + // Fire events for markers that are hidden/unidden by editing or + // undoing + var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; + if (hidden) for (var i = 0; i < hidden.length; ++i) + if (!hidden[i].lines.length) signal(hidden[i], "hide"); + if (unhidden) for (var i = 0; i < unhidden.length; ++i) + if (unhidden[i].lines.length) signal(unhidden[i], "unhide"); + + if (display.wrapper.offsetHeight) + doc.scrollTop = cm.display.scroller.scrollTop; + + // Fire change events, and delayed event handlers + if (op.changeObjs) + signal(cm, "changes", cm, op.changeObjs); + if (op.update) + op.update.finish(); + } + + // Run the given function in an operation + function runInOp(cm, f) { + if (cm.curOp) return f(); + startOperation(cm); + try { return f(); } + finally { endOperation(cm); } + } + // Wraps a function in an operation. Returns the wrapped function. + function operation(cm, f) { + return function() { + if (cm.curOp) return f.apply(cm, arguments); + startOperation(cm); + try { return f.apply(cm, arguments); } + finally { endOperation(cm); } + }; + } + // Used to add methods to editor and doc instances, wrapping them in + // operations. + function methodOp(f) { + return function() { + if (this.curOp) return f.apply(this, arguments); + startOperation(this); + try { return f.apply(this, arguments); } + finally { endOperation(this); } + }; + } + function docMethodOp(f) { + return function() { + var cm = this.cm; + if (!cm || cm.curOp) return f.apply(this, arguments); + startOperation(cm); + try { return f.apply(this, arguments); } + finally { endOperation(cm); } + }; + } + + // VIEW TRACKING + + // These objects are used to represent the visible (currently drawn) + // part of the document. A LineView may correspond to multiple + // logical lines, if those are connected by collapsed ranges. + function LineView(doc, line, lineN) { + // The starting line + this.line = line; + // Continuing lines, if any + this.rest = visualLineContinued(line); + // Number of logical lines in this visual line + this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; + this.node = this.text = null; + this.hidden = lineIsHidden(doc, line); + } + + // Create a range of LineView objects for the given lines. + function buildViewArray(cm, from, to) { + var array = [], nextPos; + for (var pos = from; pos < to; pos = nextPos) { + var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); + nextPos = pos + view.size; + array.push(view); + } + return array; + } + + // Updates the display.view data structure for a given change to the + // document. From and to are in pre-change coordinates. Lendiff is + // the amount of lines added or subtracted by the change. This is + // used for changes that span multiple lines, or change the way + // lines are divided into visual lines. regLineChange (below) + // registers single-line changes. + function regChange(cm, from, to, lendiff) { + if (from == null) from = cm.doc.first; + if (to == null) to = cm.doc.first + cm.doc.size; + if (!lendiff) lendiff = 0; + + var display = cm.display; + if (lendiff && to < display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers > from)) + display.updateLineNumbers = from; + + cm.curOp.viewChanged = true; + + if (from >= display.viewTo) { // Change after + if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) + resetView(cm); + } else if (to <= display.viewFrom) { // Change before + if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { + resetView(cm); + } else { + display.viewFrom += lendiff; + display.viewTo += lendiff; + } + } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap + resetView(cm); + } else if (from <= display.viewFrom) { // Top overlap + var cut = viewCuttingPoint(cm, to, to + lendiff, 1); + if (cut) { + display.view = display.view.slice(cut.index); + display.viewFrom = cut.lineN; + display.viewTo += lendiff; + } else { + resetView(cm); + } + } else if (to >= display.viewTo) { // Bottom overlap + var cut = viewCuttingPoint(cm, from, from, -1); + if (cut) { + display.view = display.view.slice(0, cut.index); + display.viewTo = cut.lineN; + } else { + resetView(cm); + } + } else { // Gap in the middle + var cutTop = viewCuttingPoint(cm, from, from, -1); + var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); + if (cutTop && cutBot) { + display.view = display.view.slice(0, cutTop.index) + .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) + .concat(display.view.slice(cutBot.index)); + display.viewTo += lendiff; + } else { + resetView(cm); + } + } + + var ext = display.externalMeasured; + if (ext) { + if (to < ext.lineN) + ext.lineN += lendiff; + else if (from < ext.lineN + ext.size) + display.externalMeasured = null; + } + } + + // Register a change to a single line. Type must be one of "text", + // "gutter", "class", "widget" + function regLineChange(cm, line, type) { + cm.curOp.viewChanged = true; + var display = cm.display, ext = cm.display.externalMeasured; + if (ext && line >= ext.lineN && line < ext.lineN + ext.size) + display.externalMeasured = null; + + if (line < display.viewFrom || line >= display.viewTo) return; + var lineView = display.view[findViewIndex(cm, line)]; + if (lineView.node == null) return; + var arr = lineView.changes || (lineView.changes = []); + if (indexOf(arr, type) == -1) arr.push(type); + } + + // Clear the view. + function resetView(cm) { + cm.display.viewFrom = cm.display.viewTo = cm.doc.first; + cm.display.view = []; + cm.display.viewOffset = 0; + } + + // Find the view element corresponding to a given line. Return null + // when the line isn't visible. + function findViewIndex(cm, n) { + if (n >= cm.display.viewTo) return null; + n -= cm.display.viewFrom; + if (n < 0) return null; + var view = cm.display.view; + for (var i = 0; i < view.length; i++) { + n -= view[i].size; + if (n < 0) return i; + } + } + + function viewCuttingPoint(cm, oldN, newN, dir) { + var index = findViewIndex(cm, oldN), diff, view = cm.display.view; + if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) + return {index: index, lineN: newN}; + for (var i = 0, n = cm.display.viewFrom; i < index; i++) + n += view[i].size; + if (n != oldN) { + if (dir > 0) { + if (index == view.length - 1) return null; + diff = (n + view[index].size) - oldN; + index++; + } else { + diff = n - oldN; + } + oldN += diff; newN += diff; + } + while (visualLineNo(cm.doc, newN) != newN) { + if (index == (dir < 0 ? 0 : view.length - 1)) return null; + newN += dir * view[index - (dir < 0 ? 1 : 0)].size; + index += dir; + } + return {index: index, lineN: newN}; + } + + // Force the view to cover a given range, adding empty view element + // or clipping off existing ones as needed. + function adjustView(cm, from, to) { + var display = cm.display, view = display.view; + if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { + display.view = buildViewArray(cm, from, to); + display.viewFrom = from; + } else { + if (display.viewFrom > from) + display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); + else if (display.viewFrom < from) + display.view = display.view.slice(findViewIndex(cm, from)); + display.viewFrom = from; + if (display.viewTo < to) + display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); + else if (display.viewTo > to) + display.view = display.view.slice(0, findViewIndex(cm, to)); + } + display.viewTo = to; + } + + // Count the number of lines in the view whose DOM representation is + // out of date (or nonexistent). + function countDirtyView(cm) { + var view = cm.display.view, dirty = 0; + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty; + } + return dirty; + } + + // EVENT HANDLERS + + // Attach the necessary event handlers when initializing the editor + function registerEventHandlers(cm) { + var d = cm.display; + on(d.scroller, "mousedown", operation(cm, onMouseDown)); + // Older IE's will not fire a second mousedown for a double click + if (ie && ie_version < 11) + on(d.scroller, "dblclick", operation(cm, function(e) { + if (signalDOMEvent(cm, e)) return; + var pos = posFromMouse(cm, e); + if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return; + e_preventDefault(e); + var word = cm.findWordAt(pos); + extendSelection(cm.doc, word.anchor, word.head); + })); + else + on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); }); + // Some browsers fire contextmenu *after* opening the menu, at + // which point we can't mess with it anymore. Context menu is + // handled in onMouseDown for these browsers. + if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);}); + + // Used to suppress mouse event handling when a touch happens + var touchFinished, prevTouch = {end: 0}; + function finishTouch() { + if (d.activeTouch) { + touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000); + prevTouch = d.activeTouch; + prevTouch.end = +new Date; + } + }; + function isMouseLikeTouchEvent(e) { + if (e.touches.length != 1) return false; + var touch = e.touches[0]; + return touch.radiusX <= 1 && touch.radiusY <= 1; + } + function farAway(touch, other) { + if (other.left == null) return true; + var dx = other.left - touch.left, dy = other.top - touch.top; + return dx * dx + dy * dy > 20 * 20; + } + on(d.scroller, "touchstart", function(e) { + if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) { + clearTimeout(touchFinished); + var now = +new Date; + d.activeTouch = {start: now, moved: false, + prev: now - prevTouch.end <= 300 ? prevTouch : null}; + if (e.touches.length == 1) { + d.activeTouch.left = e.touches[0].pageX; + d.activeTouch.top = e.touches[0].pageY; + } + } + }); + on(d.scroller, "touchmove", function() { + if (d.activeTouch) d.activeTouch.moved = true; + }); + on(d.scroller, "touchend", function(e) { + var touch = d.activeTouch; + if (touch && !eventInWidget(d, e) && touch.left != null && + !touch.moved && new Date - touch.start < 300) { + var pos = cm.coordsChar(d.activeTouch, "page"), range; + if (!touch.prev || farAway(touch, touch.prev)) // Single tap + range = new Range(pos, pos); + else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap + range = cm.findWordAt(pos); + else // Triple tap + range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); + cm.setSelection(range.anchor, range.head); + cm.focus(); + e_preventDefault(e); + } + finishTouch(); + }); + on(d.scroller, "touchcancel", finishTouch); + + // Sync scrolling between fake scrollbars and real scrollable + // area, ensure viewport is updated when scrolling. + on(d.scroller, "scroll", function() { + if (d.scroller.clientHeight) { + setScrollTop(cm, d.scroller.scrollTop); + setScrollLeft(cm, d.scroller.scrollLeft, true); + signal(cm, "scroll", cm); + } + }); + + // Listen to wheel events in order to try and update the viewport on time. + on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);}); + on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);}); + + // Prevent wrapper from ever scrolling + on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); + + d.dragFunctions = { + enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);}, + over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, + start: function(e){onDragStart(cm, e);}, + drop: operation(cm, onDrop), + leave: function(e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} + }; + + var inp = d.input.getField(); + on(inp, "keyup", function(e) { onKeyUp.call(cm, e); }); + on(inp, "keydown", operation(cm, onKeyDown)); + on(inp, "keypress", operation(cm, onKeyPress)); + on(inp, "focus", bind(onFocus, cm)); + on(inp, "blur", bind(onBlur, cm)); + } + + function dragDropChanged(cm, value, old) { + var wasOn = old && old != CodeMirror.Init; + if (!value != !wasOn) { + var funcs = cm.display.dragFunctions; + var toggle = value ? on : off; + toggle(cm.display.scroller, "dragstart", funcs.start); + toggle(cm.display.scroller, "dragenter", funcs.enter); + toggle(cm.display.scroller, "dragover", funcs.over); + toggle(cm.display.scroller, "dragleave", funcs.leave); + toggle(cm.display.scroller, "drop", funcs.drop); + } + } + + // Called when the window resizes + function onResize(cm) { + var d = cm.display; + if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) + return; + // Might be a text scaling operation, clear size caches. + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + d.scrollbarsClipped = false; + cm.setSize(); + } + + // MOUSE EVENTS + + // Return true when the given mouse event happened in a widget + function eventInWidget(display, e) { + for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { + if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || + (n.parentNode == display.sizer && n != display.mover)) + return true; + } + } + + // Given a mouse event, find the corresponding position. If liberal + // is false, it checks whether a gutter or scrollbar was clicked, + // and returns null if it was. forRect is used by rectangular + // selections, and tries to estimate a character position even for + // coordinates beyond the right of the text. + function posFromMouse(cm, e, liberal, forRect) { + var display = cm.display; + if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null; + + var x, y, space = display.lineSpace.getBoundingClientRect(); + // Fails unpredictably on IE[67] when mouse is dragged around quickly. + try { x = e.clientX - space.left; y = e.clientY - space.top; } + catch (e) { return null; } + var coords = coordsChar(cm, x, y), line; + if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { + var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; + coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); + } + return coords; + } + + // A mouse down can be a single click, double click, triple click, + // start of selection drag, start of text drag, new cursor + // (ctrl-click), rectangle drag (alt-drag), or xwin + // middle-click-paste. Or it might be a click on something we should + // not interfere with, such as a scrollbar or widget. + function onMouseDown(e) { + var cm = this, display = cm.display; + if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) return; + display.shift = e.shiftKey; + + if (eventInWidget(display, e)) { + if (!webkit) { + // Briefly turn off draggability, to allow widgets to do + // normal dragging things. + display.scroller.draggable = false; + setTimeout(function(){display.scroller.draggable = true;}, 100); + } + return; + } + if (clickInGutter(cm, e)) return; + var start = posFromMouse(cm, e); + window.focus(); + + switch (e_button(e)) { + case 1: + // #3261: make sure, that we're not starting a second selection + if (cm.state.selectingText) + cm.state.selectingText(e); + else if (start) + leftButtonDown(cm, e, start); + else if (e_target(e) == display.scroller) + e_preventDefault(e); + break; + case 2: + if (webkit) cm.state.lastMiddleDown = +new Date; + if (start) extendSelection(cm.doc, start); + setTimeout(function() {display.input.focus();}, 20); + e_preventDefault(e); + break; + case 3: + if (captureRightClick) onContextMenu(cm, e); + else delayBlurEvent(cm); + break; + } + } + + var lastClick, lastDoubleClick; + function leftButtonDown(cm, e, start) { + if (ie) setTimeout(bind(ensureFocus, cm), 0); + else cm.curOp.focus = activeElt(); + + var now = +new Date, type; + if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { + type = "triple"; + } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) { + type = "double"; + lastDoubleClick = {time: now, pos: start}; + } else { + type = "single"; + lastClick = {time: now, pos: start}; + } + + var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained; + if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && + type == "single" && (contained = sel.contains(start)) > -1 && + (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) && + (cmp(contained.to(), start) > 0 || start.xRel < 0)) + leftButtonStartDrag(cm, e, start, modifier); + else + leftButtonSelect(cm, e, start, type, modifier); + } + + // Start a text drag. When it ends, see if any dragging actually + // happen, and treat as a click if it didn't. + function leftButtonStartDrag(cm, e, start, modifier) { + var display = cm.display, startTime = +new Date; + var dragEnd = operation(cm, function(e2) { + if (webkit) display.scroller.draggable = false; + cm.state.draggingText = false; + off(document, "mouseup", dragEnd); + off(display.scroller, "drop", dragEnd); + if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { + e_preventDefault(e2); + if (!modifier && +new Date - 200 < startTime) + extendSelection(cm.doc, start); + // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) + if (webkit || ie && ie_version == 9) + setTimeout(function() {document.body.focus(); display.input.focus();}, 20); + else + display.input.focus(); + } + }); + // Let the drag handler handle this. + if (webkit) display.scroller.draggable = true; + cm.state.draggingText = dragEnd; + dragEnd.copy = mac ? e.altKey : e.ctrlKey + // IE's approach to draggable + if (display.scroller.dragDrop) display.scroller.dragDrop(); + on(document, "mouseup", dragEnd); + on(display.scroller, "drop", dragEnd); + } + + // Normal selection, as opposed to text dragging. + function leftButtonSelect(cm, e, start, type, addNew) { + var display = cm.display, doc = cm.doc; + e_preventDefault(e); + + var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; + if (addNew && !e.shiftKey) { + ourIndex = doc.sel.contains(start); + if (ourIndex > -1) + ourRange = ranges[ourIndex]; + else + ourRange = new Range(start, start); + } else { + ourRange = doc.sel.primary(); + ourIndex = doc.sel.primIndex; + } + + if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) { + type = "rect"; + if (!addNew) ourRange = new Range(start, start); + start = posFromMouse(cm, e, true, true); + ourIndex = -1; + } else if (type == "double") { + var word = cm.findWordAt(start); + if (cm.display.shift || doc.extend) + ourRange = extendRange(doc, ourRange, word.anchor, word.head); + else + ourRange = word; + } else if (type == "triple") { + var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0))); + if (cm.display.shift || doc.extend) + ourRange = extendRange(doc, ourRange, line.anchor, line.head); + else + ourRange = line; + } else { + ourRange = extendRange(doc, ourRange, start); + } + + if (!addNew) { + ourIndex = 0; + setSelection(doc, new Selection([ourRange], 0), sel_mouse); + startSel = doc.sel; + } else if (ourIndex == -1) { + ourIndex = ranges.length; + setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), + {scroll: false, origin: "*mouse"}); + } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { + setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), + {scroll: false, origin: "*mouse"}); + startSel = doc.sel; + } else { + replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); + } + + var lastPos = start; + function extendTo(pos) { + if (cmp(lastPos, pos) == 0) return; + lastPos = pos; + + if (type == "rect") { + var ranges = [], tabSize = cm.options.tabSize; + var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); + var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); + var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); + for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); + line <= end; line++) { + var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); + if (left == right) + ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); + else if (text.length > leftPos) + ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); + } + if (!ranges.length) ranges.push(new Range(start, start)); + setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), + {origin: "*mouse", scroll: false}); + cm.scrollIntoView(pos); + } else { + var oldRange = ourRange; + var anchor = oldRange.anchor, head = pos; + if (type != "single") { + if (type == "double") + var range = cm.findWordAt(pos); + else + var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))); + if (cmp(range.anchor, anchor) > 0) { + head = range.head; + anchor = minPos(oldRange.from(), range.anchor); + } else { + head = range.anchor; + anchor = maxPos(oldRange.to(), range.head); + } + } + var ranges = startSel.ranges.slice(0); + ranges[ourIndex] = new Range(clipPos(doc, anchor), head); + setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse); + } + } + + var editorSize = display.wrapper.getBoundingClientRect(); + // Used to ensure timeout re-tries don't fire when another extend + // happened in the meantime (clearTimeout isn't reliable -- at + // least on Chrome, the timeouts still happen even when cleared, + // if the clear happens after their scheduled firing time). + var counter = 0; + + function extend(e) { + var curCount = ++counter; + var cur = posFromMouse(cm, e, true, type == "rect"); + if (!cur) return; + if (cmp(cur, lastPos) != 0) { + cm.curOp.focus = activeElt(); + extendTo(cur); + var visible = visibleLines(display, doc); + if (cur.line >= visible.to || cur.line < visible.from) + setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150); + } else { + var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; + if (outside) setTimeout(operation(cm, function() { + if (counter != curCount) return; + display.scroller.scrollTop += outside; + extend(e); + }), 50); + } + } + + function done(e) { + cm.state.selectingText = false; + counter = Infinity; + e_preventDefault(e); + display.input.focus(); + off(document, "mousemove", move); + off(document, "mouseup", up); + doc.history.lastSelOrigin = null; + } + + var move = operation(cm, function(e) { + if (!e_button(e)) done(e); + else extend(e); + }); + var up = operation(cm, done); + cm.state.selectingText = up; + on(document, "mousemove", move); + on(document, "mouseup", up); + } + + // Determines whether an event happened in the gutter, and fires the + // handlers for the corresponding event. + function gutterEvent(cm, e, type, prevent) { + try { var mX = e.clientX, mY = e.clientY; } + catch(e) { return false; } + if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false; + if (prevent) e_preventDefault(e); + + var display = cm.display; + var lineBox = display.lineDiv.getBoundingClientRect(); + + if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e); + mY -= lineBox.top - display.viewOffset; + + for (var i = 0; i < cm.options.gutters.length; ++i) { + var g = display.gutters.childNodes[i]; + if (g && g.getBoundingClientRect().right >= mX) { + var line = lineAtHeight(cm.doc, mY); + var gutter = cm.options.gutters[i]; + signal(cm, type, cm, line, gutter, e); + return e_defaultPrevented(e); + } + } + } + + function clickInGutter(cm, e) { + return gutterEvent(cm, e, "gutterClick", true); + } + + // Kludge to work around strange IE behavior where it'll sometimes + // re-fire a series of drag-related events right after the drop (#1551) + var lastDrop = 0; + + function onDrop(e) { + var cm = this; + clearDragCursor(cm); + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) + return; + e_preventDefault(e); + if (ie) lastDrop = +new Date; + var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; + if (!pos || cm.isReadOnly()) return; + // Might be a file drop, in which case we simply extract the text + // and insert it. + if (files && files.length && window.FileReader && window.File) { + var n = files.length, text = Array(n), read = 0; + var loadFile = function(file, i) { + if (cm.options.allowDropFileTypes && + indexOf(cm.options.allowDropFileTypes, file.type) == -1) + return; + + var reader = new FileReader; + reader.onload = operation(cm, function() { + var content = reader.result; + if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) content = ""; + text[i] = content; + if (++read == n) { + pos = clipPos(cm.doc, pos); + var change = {from: pos, to: pos, + text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), + origin: "paste"}; + makeChange(cm.doc, change); + setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); + } + }); + reader.readAsText(file); + }; + for (var i = 0; i < n; ++i) loadFile(files[i], i); + } else { // Normal drop + // Don't do a replace if the drop happened inside of the selected text. + if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { + cm.state.draggingText(e); + // Ensure the editor is re-focused + setTimeout(function() {cm.display.input.focus();}, 20); + return; + } + try { + var text = e.dataTransfer.getData("Text"); + if (text) { + if (cm.state.draggingText && !cm.state.draggingText.copy) + var selected = cm.listSelections(); + setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); + if (selected) for (var i = 0; i < selected.length; ++i) + replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag"); + cm.replaceSelection(text, "around", "paste"); + cm.display.input.focus(); + } + } + catch(e){} + } + } + + function onDragStart(cm, e) { + if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; } + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; + + e.dataTransfer.setData("Text", cm.getSelection()); + e.dataTransfer.effectAllowed = "copyMove" + + // Use dummy image instead of default browsers image. + // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. + if (e.dataTransfer.setDragImage && !safari) { + var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); + img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; + if (presto) { + img.width = img.height = 1; + cm.display.wrapper.appendChild(img); + // Force a relayout, or Opera won't use our image for some obscure reason + img._top = img.offsetTop; + } + e.dataTransfer.setDragImage(img, 0, 0); + if (presto) img.parentNode.removeChild(img); + } + } + + function onDragOver(cm, e) { + var pos = posFromMouse(cm, e); + if (!pos) return; + var frag = document.createDocumentFragment(); + drawSelectionCursor(cm, pos, frag); + if (!cm.display.dragCursor) { + cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); + cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); + } + removeChildrenAndAdd(cm.display.dragCursor, frag); + } + + function clearDragCursor(cm) { + if (cm.display.dragCursor) { + cm.display.lineSpace.removeChild(cm.display.dragCursor); + cm.display.dragCursor = null; + } + } + + // SCROLL EVENTS + + // Sync the scrollable area and scrollbars, ensure the viewport + // covers the visible area. + function setScrollTop(cm, val) { + if (Math.abs(cm.doc.scrollTop - val) < 2) return; + cm.doc.scrollTop = val; + if (!gecko) updateDisplaySimple(cm, {top: val}); + if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val; + cm.display.scrollbars.setScrollTop(val); + if (gecko) updateDisplaySimple(cm); + startWorker(cm, 100); + } + // Sync scroller and scrollbar, ensure the gutter elements are + // aligned. + function setScrollLeft(cm, val, isScroller) { + if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return; + val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); + cm.doc.scrollLeft = val; + alignHorizontally(cm); + if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val; + cm.display.scrollbars.setScrollLeft(val); + } + + // Since the delta values reported on mouse wheel events are + // unstandardized between browsers and even browser versions, and + // generally horribly unpredictable, this code starts by measuring + // the scroll effect that the first few mouse wheel events have, + // and, from that, detects the way it can convert deltas to pixel + // offsets afterwards. + // + // The reason we want to know the amount a wheel event will scroll + // is that it gives us a chance to update the display before the + // actual scrolling happens, reducing flickering. + + var wheelSamples = 0, wheelPixelsPerUnit = null; + // Fill in a browser-detected starting value on browsers where we + // know one. These don't have to be accurate -- the result of them + // being wrong would just be a slight flicker on the first wheel + // scroll (if it is large enough). + if (ie) wheelPixelsPerUnit = -.53; + else if (gecko) wheelPixelsPerUnit = 15; + else if (chrome) wheelPixelsPerUnit = -.7; + else if (safari) wheelPixelsPerUnit = -1/3; + + var wheelEventDelta = function(e) { + var dx = e.wheelDeltaX, dy = e.wheelDeltaY; + if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail; + if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail; + else if (dy == null) dy = e.wheelDelta; + return {x: dx, y: dy}; + }; + CodeMirror.wheelEventPixels = function(e) { + var delta = wheelEventDelta(e); + delta.x *= wheelPixelsPerUnit; + delta.y *= wheelPixelsPerUnit; + return delta; + }; + + function onScrollWheel(cm, e) { + var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; + + var display = cm.display, scroll = display.scroller; + // Quit if there's nothing to scroll here + var canScrollX = scroll.scrollWidth > scroll.clientWidth; + var canScrollY = scroll.scrollHeight > scroll.clientHeight; + if (!(dx && canScrollX || dy && canScrollY)) return; + + // Webkit browsers on OS X abort momentum scrolls when the target + // of the scroll event is removed from the scrollable element. + // This hack (see related code in patchDisplay) makes sure the + // element is kept around. + if (dy && mac && webkit) { + outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { + for (var i = 0; i < view.length; i++) { + if (view[i].node == cur) { + cm.display.currentWheelTarget = cur; + break outer; + } + } + } + } + + // On some browsers, horizontal scrolling will cause redraws to + // happen before the gutter has been realigned, causing it to + // wriggle around in a most unseemly way. When we have an + // estimated pixels/delta value, we just handle horizontal + // scrolling entirely here. It'll be slightly off from native, but + // better than glitching out. + if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { + if (dy && canScrollY) + setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))); + setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))); + // Only prevent default scrolling if vertical scrolling is + // actually possible. Otherwise, it causes vertical scroll + // jitter on OSX trackpads when deltaX is small and deltaY + // is large (issue #3579) + if (!dy || (dy && canScrollY)) + e_preventDefault(e); + display.wheelStartX = null; // Abort measurement, if in progress + return; + } + + // 'Project' the visible viewport to cover the area that is being + // scrolled into view (if we know enough to estimate it). + if (dy && wheelPixelsPerUnit != null) { + var pixels = dy * wheelPixelsPerUnit; + var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; + if (pixels < 0) top = Math.max(0, top + pixels - 50); + else bot = Math.min(cm.doc.height, bot + pixels + 50); + updateDisplaySimple(cm, {top: top, bottom: bot}); + } + + if (wheelSamples < 20) { + if (display.wheelStartX == null) { + display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; + display.wheelDX = dx; display.wheelDY = dy; + setTimeout(function() { + if (display.wheelStartX == null) return; + var movedX = scroll.scrollLeft - display.wheelStartX; + var movedY = scroll.scrollTop - display.wheelStartY; + var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || + (movedX && display.wheelDX && movedX / display.wheelDX); + display.wheelStartX = display.wheelStartY = null; + if (!sample) return; + wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); + ++wheelSamples; + }, 200); + } else { + display.wheelDX += dx; display.wheelDY += dy; + } + } + } + + // KEY EVENTS + + // Run a handler that was bound to a key. + function doHandleBinding(cm, bound, dropShift) { + if (typeof bound == "string") { + bound = commands[bound]; + if (!bound) return false; + } + // Ensure previous input has been read, so that the handler sees a + // consistent view of the document + cm.display.input.ensurePolled(); + var prevShift = cm.display.shift, done = false; + try { + if (cm.isReadOnly()) cm.state.suppressEdits = true; + if (dropShift) cm.display.shift = false; + done = bound(cm) != Pass; + } finally { + cm.display.shift = prevShift; + cm.state.suppressEdits = false; + } + return done; + } + + function lookupKeyForEditor(cm, name, handle) { + for (var i = 0; i < cm.state.keyMaps.length; i++) { + var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); + if (result) return result; + } + return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) + || lookupKey(name, cm.options.keyMap, handle, cm); + } + + var stopSeq = new Delayed; + function dispatchKey(cm, name, e, handle) { + var seq = cm.state.keySeq; + if (seq) { + if (isModifierKey(name)) return "handled"; + stopSeq.set(50, function() { + if (cm.state.keySeq == seq) { + cm.state.keySeq = null; + cm.display.input.reset(); + } + }); + name = seq + " " + name; + } + var result = lookupKeyForEditor(cm, name, handle); + + if (result == "multi") + cm.state.keySeq = name; + if (result == "handled") + signalLater(cm, "keyHandled", cm, name, e); + + if (result == "handled" || result == "multi") { + e_preventDefault(e); + restartBlink(cm); + } + + if (seq && !result && /\'$/.test(name)) { + e_preventDefault(e); + return true; + } + return !!result; + } + + // Handle a key from the keydown event. + function handleKeyBinding(cm, e) { + var name = keyName(e, true); + if (!name) return false; + + if (e.shiftKey && !cm.state.keySeq) { + // First try to resolve full name (including 'Shift-'). Failing + // that, see if there is a cursor-motion command (starting with + // 'go') bound to the keyname without 'Shift-'. + return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);}) + || dispatchKey(cm, name, e, function(b) { + if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) + return doHandleBinding(cm, b); + }); + } else { + return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); }); + } + } + + // Handle a key from the keypress event + function handleCharBinding(cm, e, ch) { + return dispatchKey(cm, "'" + ch + "'", e, + function(b) { return doHandleBinding(cm, b, true); }); + } + + var lastStoppedKey = null; + function onKeyDown(e) { + var cm = this; + cm.curOp.focus = activeElt(); + if (signalDOMEvent(cm, e)) return; + // IE does strange things with escape. + if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false; + var code = e.keyCode; + cm.display.shift = code == 16 || e.shiftKey; + var handled = handleKeyBinding(cm, e); + if (presto) { + lastStoppedKey = handled ? code : null; + // Opera has no cut event... we try to at least catch the key combo + if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) + cm.replaceSelection("", null, "cut"); + } + + // Turn mouse into crosshair when Alt is held on Mac. + if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) + showCrossHair(cm); + } + + function showCrossHair(cm) { + var lineDiv = cm.display.lineDiv; + addClass(lineDiv, "CodeMirror-crosshair"); + + function up(e) { + if (e.keyCode == 18 || !e.altKey) { + rmClass(lineDiv, "CodeMirror-crosshair"); + off(document, "keyup", up); + off(document, "mouseover", up); + } + } + on(document, "keyup", up); + on(document, "mouseover", up); + } + + function onKeyUp(e) { + if (e.keyCode == 16) this.doc.sel.shift = false; + signalDOMEvent(this, e); + } + + function onKeyPress(e) { + var cm = this; + if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return; + var keyCode = e.keyCode, charCode = e.charCode; + if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} + if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return; + var ch = String.fromCharCode(charCode == null ? keyCode : charCode); + if (handleCharBinding(cm, e, ch)) return; + cm.display.input.onKeyPress(e); + } + + // FOCUS/BLUR EVENTS + + function delayBlurEvent(cm) { + cm.state.delayingBlurEvent = true; + setTimeout(function() { + if (cm.state.delayingBlurEvent) { + cm.state.delayingBlurEvent = false; + onBlur(cm); + } + }, 100); + } + + function onFocus(cm) { + if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false; + + if (cm.options.readOnly == "nocursor") return; + if (!cm.state.focused) { + signal(cm, "focus", cm); + cm.state.focused = true; + addClass(cm.display.wrapper, "CodeMirror-focused"); + // This test prevents this from firing when a context + // menu is closed (since the input reset would kill the + // select-all detection hack) + if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { + cm.display.input.reset(); + if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730 + } + cm.display.input.receivedFocus(); + } + restartBlink(cm); + } + function onBlur(cm) { + if (cm.state.delayingBlurEvent) return; + + if (cm.state.focused) { + signal(cm, "blur", cm); + cm.state.focused = false; + rmClass(cm.display.wrapper, "CodeMirror-focused"); + } + clearInterval(cm.display.blinker); + setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150); + } + + // CONTEXT MENU HANDLING + + // To make the context menu work, we need to briefly unhide the + // textarea (making it as unobtrusive as possible) to let the + // right-click take effect on it. + function onContextMenu(cm, e) { + if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return; + if (signalDOMEvent(cm, e, "contextmenu")) return; + cm.display.input.onContextMenu(e); + } + + function contextMenuInGutter(cm, e) { + if (!hasHandler(cm, "gutterContextMenu")) return false; + return gutterEvent(cm, e, "gutterContextMenu", false); + } + + // UPDATING + + // Compute the position of the end of a change (its 'to' property + // refers to the pre-change end). + var changeEnd = CodeMirror.changeEnd = function(change) { + if (!change.text) return change.to; + return Pos(change.from.line + change.text.length - 1, + lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)); + }; + + // Adjust a position to refer to the post-change position of the + // same text, or the end of the change if the change covers it. + function adjustForChange(pos, change) { + if (cmp(pos, change.from) < 0) return pos; + if (cmp(pos, change.to) <= 0) return changeEnd(change); + + var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; + if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch; + return Pos(line, ch); + } + + function computeSelAfterChange(doc, change) { + var out = []; + for (var i = 0; i < doc.sel.ranges.length; i++) { + var range = doc.sel.ranges[i]; + out.push(new Range(adjustForChange(range.anchor, change), + adjustForChange(range.head, change))); + } + return normalizeSelection(out, doc.sel.primIndex); + } + + function offsetPos(pos, old, nw) { + if (pos.line == old.line) + return Pos(nw.line, pos.ch - old.ch + nw.ch); + else + return Pos(nw.line + (pos.line - old.line), pos.ch); + } + + // Used by replaceSelections to allow moving the selection to the + // start or around the replaced test. Hint may be "start" or "around". + function computeReplacedSel(doc, changes, hint) { + var out = []; + var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; + for (var i = 0; i < changes.length; i++) { + var change = changes[i]; + var from = offsetPos(change.from, oldPrev, newPrev); + var to = offsetPos(changeEnd(change), oldPrev, newPrev); + oldPrev = change.to; + newPrev = to; + if (hint == "around") { + var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; + out[i] = new Range(inv ? to : from, inv ? from : to); + } else { + out[i] = new Range(from, from); + } + } + return new Selection(out, doc.sel.primIndex); + } + + // Allow "beforeChange" event handlers to influence a change + function filterChange(doc, change, update) { + var obj = { + canceled: false, + from: change.from, + to: change.to, + text: change.text, + origin: change.origin, + cancel: function() { this.canceled = true; } + }; + if (update) obj.update = function(from, to, text, origin) { + if (from) this.from = clipPos(doc, from); + if (to) this.to = clipPos(doc, to); + if (text) this.text = text; + if (origin !== undefined) this.origin = origin; + }; + signal(doc, "beforeChange", doc, obj); + if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj); + + if (obj.canceled) return null; + return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}; + } + + // Apply a change to a document, and add it to the document's + // history, and propagating it to all linked documents. + function makeChange(doc, change, ignoreReadOnly) { + if (doc.cm) { + if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly); + if (doc.cm.state.suppressEdits) return; + } + + if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { + change = filterChange(doc, change, true); + if (!change) return; + } + + // Possibly split or suppress the update based on the presence + // of read-only spans in its range. + var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); + if (split) { + for (var i = split.length - 1; i >= 0; --i) + makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text}); + } else { + makeChangeInner(doc, change); + } + } + + function makeChangeInner(doc, change) { + if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return; + var selAfter = computeSelAfterChange(doc, change); + addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); + + makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); + var rebased = []; + + linkedDocs(doc, function(doc, sharedHist) { + if (!sharedHist && indexOf(rebased, doc.history) == -1) { + rebaseHist(doc.history, change); + rebased.push(doc.history); + } + makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); + }); + } + + // Revert a change stored in a document's history. + function makeChangeFromHistory(doc, type, allowSelectionOnly) { + if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) return; + + var hist = doc.history, event, selAfter = doc.sel; + var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; + + // Verify that there is a useable event (so that ctrl-z won't + // needlessly clear selection events) + for (var i = 0; i < source.length; i++) { + event = source[i]; + if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) + break; + } + if (i == source.length) return; + hist.lastOrigin = hist.lastSelOrigin = null; + + for (;;) { + event = source.pop(); + if (event.ranges) { + pushSelectionToHistory(event, dest); + if (allowSelectionOnly && !event.equals(doc.sel)) { + setSelection(doc, event, {clearRedo: false}); + return; + } + selAfter = event; + } + else break; + } + + // Build up a reverse change object to add to the opposite history + // stack (redo when undoing, and vice versa). + var antiChanges = []; + pushSelectionToHistory(selAfter, dest); + dest.push({changes: antiChanges, generation: hist.generation}); + hist.generation = event.generation || ++hist.maxGeneration; + + var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); + + for (var i = event.changes.length - 1; i >= 0; --i) { + var change = event.changes[i]; + change.origin = type; + if (filter && !filterChange(doc, change, false)) { + source.length = 0; + return; + } + + antiChanges.push(historyChangeFromChange(doc, change)); + + var after = i ? computeSelAfterChange(doc, change) : lst(source); + makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); + if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); + var rebased = []; + + // Propagate to the linked documents + linkedDocs(doc, function(doc, sharedHist) { + if (!sharedHist && indexOf(rebased, doc.history) == -1) { + rebaseHist(doc.history, change); + rebased.push(doc.history); + } + makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); + }); + } + } + + // Sub-views need their line numbers shifted when text is added + // above or below them in the parent document. + function shiftDoc(doc, distance) { + if (distance == 0) return; + doc.first += distance; + doc.sel = new Selection(map(doc.sel.ranges, function(range) { + return new Range(Pos(range.anchor.line + distance, range.anchor.ch), + Pos(range.head.line + distance, range.head.ch)); + }), doc.sel.primIndex); + if (doc.cm) { + regChange(doc.cm, doc.first, doc.first - distance, distance); + for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) + regLineChange(doc.cm, l, "gutter"); + } + } + + // More lower-level change function, handling only a single document + // (not linked ones). + function makeChangeSingleDoc(doc, change, selAfter, spans) { + if (doc.cm && !doc.cm.curOp) + return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans); + + if (change.to.line < doc.first) { + shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); + return; + } + if (change.from.line > doc.lastLine()) return; + + // Clip the change to the size of this doc + if (change.from.line < doc.first) { + var shift = change.text.length - 1 - (doc.first - change.from.line); + shiftDoc(doc, shift); + change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), + text: [lst(change.text)], origin: change.origin}; + } + var last = doc.lastLine(); + if (change.to.line > last) { + change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), + text: [change.text[0]], origin: change.origin}; + } + + change.removed = getBetween(doc, change.from, change.to); + + if (!selAfter) selAfter = computeSelAfterChange(doc, change); + if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans); + else updateDoc(doc, change, spans); + setSelectionNoUndo(doc, selAfter, sel_dontScroll); + } + + // Handle the interaction of a change to a document with the editor + // that this document is part of. + function makeChangeSingleDocInEditor(cm, change, spans) { + var doc = cm.doc, display = cm.display, from = change.from, to = change.to; + + var recomputeMaxLength = false, checkWidthStart = from.line; + if (!cm.options.lineWrapping) { + checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); + doc.iter(checkWidthStart, to.line + 1, function(line) { + if (line == display.maxLine) { + recomputeMaxLength = true; + return true; + } + }); + } + + if (doc.sel.contains(change.from, change.to) > -1) + signalCursorActivity(cm); + + updateDoc(doc, change, spans, estimateHeight(cm)); + + if (!cm.options.lineWrapping) { + doc.iter(checkWidthStart, from.line + change.text.length, function(line) { + var len = lineLength(line); + if (len > display.maxLineLength) { + display.maxLine = line; + display.maxLineLength = len; + display.maxLineChanged = true; + recomputeMaxLength = false; + } + }); + if (recomputeMaxLength) cm.curOp.updateMaxLine = true; + } + + // Adjust frontier, schedule worker + doc.frontier = Math.min(doc.frontier, from.line); + startWorker(cm, 400); + + var lendiff = change.text.length - (to.line - from.line) - 1; + // Remember that these lines changed, for updating the display + if (change.full) + regChange(cm); + else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) + regLineChange(cm, from.line, "text"); + else + regChange(cm, from.line, to.line + 1, lendiff); + + var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); + if (changeHandler || changesHandler) { + var obj = { + from: from, to: to, + text: change.text, + removed: change.removed, + origin: change.origin + }; + if (changeHandler) signalLater(cm, "change", cm, obj); + if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); + } + cm.display.selForContextMenu = null; + } + + function replaceRange(doc, code, from, to, origin) { + if (!to) to = from; + if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; } + if (typeof code == "string") code = doc.splitLines(code); + makeChange(doc, {from: from, to: to, text: code, origin: origin}); + } + + // SCROLLING THINGS INTO VIEW + + // If an editor sits on the top or bottom of the window, partially + // scrolled out of view, this ensures that the cursor is visible. + function maybeScrollWindow(cm, coords) { + if (signalDOMEvent(cm, "scrollCursorIntoView")) return; + + var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; + if (coords.top + box.top < 0) doScroll = true; + else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; + if (doScroll != null && !phantom) { + var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " + + (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " + + (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " + + coords.left + "px; width: 2px;"); + cm.display.lineSpace.appendChild(scrollNode); + scrollNode.scrollIntoView(doScroll); + cm.display.lineSpace.removeChild(scrollNode); + } + } + + // Scroll a given position into view (immediately), verifying that + // it actually became visible (as line heights are accurately + // measured, the position of something may 'drift' during drawing). + function scrollPosIntoView(cm, pos, end, margin) { + if (margin == null) margin = 0; + for (var limit = 0; limit < 5; limit++) { + var changed = false, coords = cursorCoords(cm, pos); + var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); + var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), + Math.min(coords.top, endCoords.top) - margin, + Math.max(coords.left, endCoords.left), + Math.max(coords.bottom, endCoords.bottom) + margin); + var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; + if (scrollPos.scrollTop != null) { + setScrollTop(cm, scrollPos.scrollTop); + if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true; + } + if (scrollPos.scrollLeft != null) { + setScrollLeft(cm, scrollPos.scrollLeft); + if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true; + } + if (!changed) break; + } + return coords; + } + + // Scroll a given set of coordinates into view (immediately). + function scrollIntoView(cm, x1, y1, x2, y2) { + var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2); + if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop); + if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft); + } + + // Calculate a new scroll position needed to scroll the given + // rectangle into view. Returns an object with scrollTop and + // scrollLeft properties. When these are undefined, the + // vertical/horizontal position does not need to be adjusted. + function calculateScrollPos(cm, x1, y1, x2, y2) { + var display = cm.display, snapMargin = textHeight(cm.display); + if (y1 < 0) y1 = 0; + var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; + var screen = displayHeight(cm), result = {}; + if (y2 - y1 > screen) y2 = y1 + screen; + var docBottom = cm.doc.height + paddingVert(display); + var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin; + if (y1 < screentop) { + result.scrollTop = atTop ? 0 : y1; + } else if (y2 > screentop + screen) { + var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen); + if (newTop != screentop) result.scrollTop = newTop; + } + + var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; + var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); + var tooWide = x2 - x1 > screenw; + if (tooWide) x2 = x1 + screenw; + if (x1 < 10) + result.scrollLeft = 0; + else if (x1 < screenleft) + result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10)); + else if (x2 > screenw + screenleft - 3) + result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw; + return result; + } + + // Store a relative adjustment to the scroll position in the current + // operation (to be applied when the operation finishes). + function addToScrollPos(cm, left, top) { + if (left != null || top != null) resolveScrollToPos(cm); + if (left != null) + cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left; + if (top != null) + cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; + } + + // Make sure that at the end of the operation the current cursor is + // shown. + function ensureCursorVisible(cm) { + resolveScrollToPos(cm); + var cur = cm.getCursor(), from = cur, to = cur; + if (!cm.options.lineWrapping) { + from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur; + to = Pos(cur.line, cur.ch + 1); + } + cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true}; + } + + // When an operation has its scrollToPos property set, and another + // scroll action is applied before the end of the operation, this + // 'simulates' scrolling that position into view in a cheap way, so + // that the effect of intermediate scroll commands is not ignored. + function resolveScrollToPos(cm) { + var range = cm.curOp.scrollToPos; + if (range) { + cm.curOp.scrollToPos = null; + var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); + var sPos = calculateScrollPos(cm, Math.min(from.left, to.left), + Math.min(from.top, to.top) - range.margin, + Math.max(from.right, to.right), + Math.max(from.bottom, to.bottom) + range.margin); + cm.scrollTo(sPos.scrollLeft, sPos.scrollTop); + } + } + + // API UTILITIES + + // Indent the given line. The how parameter can be "smart", + // "add"/null, "subtract", or "prev". When aggressive is false + // (typically set to true for forced single-line indents), empty + // lines are not indented, and places where the mode returns Pass + // are left alone. + function indentLine(cm, n, how, aggressive) { + var doc = cm.doc, state; + if (how == null) how = "add"; + if (how == "smart") { + // Fall back to "prev" when the mode doesn't have an indentation + // method. + if (!doc.mode.indent) how = "prev"; + else state = getStateBefore(cm, n); + } + + var tabSize = cm.options.tabSize; + var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); + if (line.stateAfter) line.stateAfter = null; + var curSpaceString = line.text.match(/^\s*/)[0], indentation; + if (!aggressive && !/\S/.test(line.text)) { + indentation = 0; + how = "not"; + } else if (how == "smart") { + indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); + if (indentation == Pass || indentation > 150) { + if (!aggressive) return; + how = "prev"; + } + } + if (how == "prev") { + if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize); + else indentation = 0; + } else if (how == "add") { + indentation = curSpace + cm.options.indentUnit; + } else if (how == "subtract") { + indentation = curSpace - cm.options.indentUnit; + } else if (typeof how == "number") { + indentation = curSpace + how; + } + indentation = Math.max(0, indentation); + + var indentString = "", pos = 0; + if (cm.options.indentWithTabs) + for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} + if (pos < indentation) indentString += spaceStr(indentation - pos); + + if (indentString != curSpaceString) { + replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); + line.stateAfter = null; + return true; + } else { + // Ensure that, if the cursor was in the whitespace at the start + // of the line, it is moved to the end of that space. + for (var i = 0; i < doc.sel.ranges.length; i++) { + var range = doc.sel.ranges[i]; + if (range.head.line == n && range.head.ch < curSpaceString.length) { + var pos = Pos(n, curSpaceString.length); + replaceOneSelection(doc, i, new Range(pos, pos)); + break; + } + } + } + } + + // Utility for applying a change to a line by handle or number, + // returning the number and optionally registering the line as + // changed. + function changeLine(doc, handle, changeType, op) { + var no = handle, line = handle; + if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle)); + else no = lineNo(handle); + if (no == null) return null; + if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType); + return line; + } + + // Helper for deleting text near the selection(s), used to implement + // backspace, delete, and similar functionality. + function deleteNearSelection(cm, compute) { + var ranges = cm.doc.sel.ranges, kill = []; + // Build up a set of ranges to kill first, merging overlapping + // ranges. + for (var i = 0; i < ranges.length; i++) { + var toKill = compute(ranges[i]); + while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { + var replaced = kill.pop(); + if (cmp(replaced.from, toKill.from) < 0) { + toKill.from = replaced.from; + break; + } + } + kill.push(toKill); + } + // Next, remove those actual ranges. + runInOp(cm, function() { + for (var i = kill.length - 1; i >= 0; i--) + replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); + ensureCursorVisible(cm); + }); + } + + // Used for horizontal relative motion. Dir is -1 or 1 (left or + // right), unit can be "char", "column" (like char, but doesn't + // cross line boundaries), "word" (across next word), or "group" (to + // the start of next group of word or non-word-non-whitespace + // chars). The visually param controls whether, in right-to-left + // text, direction 1 means to move towards the next index in the + // string, or towards the character to the right of the current + // position. The resulting position will have a hitSide=true + // property if it reached the end of the document. + function findPosH(doc, pos, dir, unit, visually) { + var line = pos.line, ch = pos.ch, origDir = dir; + var lineObj = getLine(doc, line); + function findNextLine() { + var l = line + dir; + if (l < doc.first || l >= doc.first + doc.size) return false + line = l; + return lineObj = getLine(doc, l); + } + function moveOnce(boundToLine) { + var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true); + if (next == null) { + if (!boundToLine && findNextLine()) { + if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj); + else ch = dir < 0 ? lineObj.text.length : 0; + } else return false + } else ch = next; + return true; + } + + if (unit == "char") { + moveOnce() + } else if (unit == "column") { + moveOnce(true) + } else if (unit == "word" || unit == "group") { + var sawType = null, group = unit == "group"; + var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); + for (var first = true;; first = false) { + if (dir < 0 && !moveOnce(!first)) break; + var cur = lineObj.text.charAt(ch) || "\n"; + var type = isWordChar(cur, helper) ? "w" + : group && cur == "\n" ? "n" + : !group || /\s/.test(cur) ? null + : "p"; + if (group && !first && !type) type = "s"; + if (sawType && sawType != type) { + if (dir < 0) {dir = 1; moveOnce();} + break; + } + + if (type) sawType = type; + if (dir > 0 && !moveOnce(!first)) break; + } + } + var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true); + if (!cmp(pos, result)) result.hitSide = true; + return result; + } + + // For relative vertical movement. Dir may be -1 or 1. Unit can be + // "page" or "line". The resulting position will have a hitSide=true + // property if it reached the end of the document. + function findPosV(cm, pos, dir, unit) { + var doc = cm.doc, x = pos.left, y; + if (unit == "page") { + var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); + y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display)); + } else if (unit == "line") { + y = dir > 0 ? pos.bottom + 3 : pos.top - 3; + } + for (;;) { + var target = coordsChar(cm, x, y); + if (!target.outside) break; + if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; } + y += dir * 5; + } + return target; + } + + // EDITOR METHODS + + // The publicly visible API. Note that methodOp(f) means + // 'wrap f in an operation, performed on its `this` parameter'. + + // This is not the complete set of editor methods. Most of the + // methods defined on the Doc type are also injected into + // CodeMirror.prototype, for backwards compatibility and + // convenience. + + CodeMirror.prototype = { + constructor: CodeMirror, + focus: function(){window.focus(); this.display.input.focus();}, + + setOption: function(option, value) { + var options = this.options, old = options[option]; + if (options[option] == value && option != "mode") return; + options[option] = value; + if (optionHandlers.hasOwnProperty(option)) + operation(this, optionHandlers[option])(this, value, old); + }, + + getOption: function(option) {return this.options[option];}, + getDoc: function() {return this.doc;}, + + addKeyMap: function(map, bottom) { + this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); + }, + removeKeyMap: function(map) { + var maps = this.state.keyMaps; + for (var i = 0; i < maps.length; ++i) + if (maps[i] == map || maps[i].name == map) { + maps.splice(i, 1); + return true; + } + }, + + addOverlay: methodOp(function(spec, options) { + var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); + if (mode.startState) throw new Error("Overlays may not be stateful."); + this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque}); + this.state.modeGen++; + regChange(this); + }), + removeOverlay: methodOp(function(spec) { + var overlays = this.state.overlays; + for (var i = 0; i < overlays.length; ++i) { + var cur = overlays[i].modeSpec; + if (cur == spec || typeof spec == "string" && cur.name == spec) { + overlays.splice(i, 1); + this.state.modeGen++; + regChange(this); + return; + } + } + }), + + indentLine: methodOp(function(n, dir, aggressive) { + if (typeof dir != "string" && typeof dir != "number") { + if (dir == null) dir = this.options.smartIndent ? "smart" : "prev"; + else dir = dir ? "add" : "subtract"; + } + if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive); + }), + indentSelection: methodOp(function(how) { + var ranges = this.doc.sel.ranges, end = -1; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + if (!range.empty()) { + var from = range.from(), to = range.to(); + var start = Math.max(end, from.line); + end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; + for (var j = start; j < end; ++j) + indentLine(this, j, how); + var newRanges = this.doc.sel.ranges; + if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) + replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); + } else if (range.head.line > end) { + indentLine(this, range.head.line, how, true); + end = range.head.line; + if (i == this.doc.sel.primIndex) ensureCursorVisible(this); + } + } + }), + + // Fetch the parser token for a given character. Useful for hacks + // that want to inspect the mode state (say, for completion). + getTokenAt: function(pos, precise) { + return takeToken(this, pos, precise); + }, + + getLineTokens: function(line, precise) { + return takeToken(this, Pos(line), precise, true); + }, + + getTokenTypeAt: function(pos) { + pos = clipPos(this.doc, pos); + var styles = getLineStyles(this, getLine(this.doc, pos.line)); + var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; + var type; + if (ch == 0) type = styles[2]; + else for (;;) { + var mid = (before + after) >> 1; + if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid; + else if (styles[mid * 2 + 1] < ch) before = mid + 1; + else { type = styles[mid * 2 + 2]; break; } + } + var cut = type ? type.indexOf("cm-overlay ") : -1; + return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1); + }, + + getModeAt: function(pos) { + var mode = this.doc.mode; + if (!mode.innerMode) return mode; + return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode; + }, + + getHelper: function(pos, type) { + return this.getHelpers(pos, type)[0]; + }, + + getHelpers: function(pos, type) { + var found = []; + if (!helpers.hasOwnProperty(type)) return found; + var help = helpers[type], mode = this.getModeAt(pos); + if (typeof mode[type] == "string") { + if (help[mode[type]]) found.push(help[mode[type]]); + } else if (mode[type]) { + for (var i = 0; i < mode[type].length; i++) { + var val = help[mode[type][i]]; + if (val) found.push(val); + } + } else if (mode.helperType && help[mode.helperType]) { + found.push(help[mode.helperType]); + } else if (help[mode.name]) { + found.push(help[mode.name]); + } + for (var i = 0; i < help._global.length; i++) { + var cur = help._global[i]; + if (cur.pred(mode, this) && indexOf(found, cur.val) == -1) + found.push(cur.val); + } + return found; + }, + + getStateAfter: function(line, precise) { + var doc = this.doc; + line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); + return getStateBefore(this, line + 1, precise); + }, + + cursorCoords: function(start, mode) { + var pos, range = this.doc.sel.primary(); + if (start == null) pos = range.head; + else if (typeof start == "object") pos = clipPos(this.doc, start); + else pos = start ? range.from() : range.to(); + return cursorCoords(this, pos, mode || "page"); + }, + + charCoords: function(pos, mode) { + return charCoords(this, clipPos(this.doc, pos), mode || "page"); + }, + + coordsChar: function(coords, mode) { + coords = fromCoordSystem(this, coords, mode || "page"); + return coordsChar(this, coords.left, coords.top); + }, + + lineAtHeight: function(height, mode) { + height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; + return lineAtHeight(this.doc, height + this.display.viewOffset); + }, + heightAtLine: function(line, mode) { + var end = false, lineObj; + if (typeof line == "number") { + var last = this.doc.first + this.doc.size - 1; + if (line < this.doc.first) line = this.doc.first; + else if (line > last) { line = last; end = true; } + lineObj = getLine(this.doc, line); + } else { + lineObj = line; + } + return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top + + (end ? this.doc.height - heightAtLine(lineObj) : 0); + }, + + defaultTextHeight: function() { return textHeight(this.display); }, + defaultCharWidth: function() { return charWidth(this.display); }, + + setGutterMarker: methodOp(function(line, gutterID, value) { + return changeLine(this.doc, line, "gutter", function(line) { + var markers = line.gutterMarkers || (line.gutterMarkers = {}); + markers[gutterID] = value; + if (!value && isEmpty(markers)) line.gutterMarkers = null; + return true; + }); + }), + + clearGutter: methodOp(function(gutterID) { + var cm = this, doc = cm.doc, i = doc.first; + doc.iter(function(line) { + if (line.gutterMarkers && line.gutterMarkers[gutterID]) { + line.gutterMarkers[gutterID] = null; + regLineChange(cm, i, "gutter"); + if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null; + } + ++i; + }); + }), + + lineInfo: function(line) { + if (typeof line == "number") { + if (!isLine(this.doc, line)) return null; + var n = line; + line = getLine(this.doc, line); + if (!line) return null; + } else { + var n = lineNo(line); + if (n == null) return null; + } + return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, + textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, + widgets: line.widgets}; + }, + + getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};}, + + addWidget: function(pos, node, scroll, vert, horiz) { + var display = this.display; + pos = cursorCoords(this, clipPos(this.doc, pos)); + var top = pos.bottom, left = pos.left; + node.style.position = "absolute"; + node.setAttribute("cm-ignore-events", "true"); + this.display.input.setUneditable(node); + display.sizer.appendChild(node); + if (vert == "over") { + top = pos.top; + } else if (vert == "above" || vert == "near") { + var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), + hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); + // Default to positioning above (if specified and possible); otherwise default to positioning below + if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) + top = pos.top - node.offsetHeight; + else if (pos.bottom + node.offsetHeight <= vspace) + top = pos.bottom; + if (left + node.offsetWidth > hspace) + left = hspace - node.offsetWidth; + } + node.style.top = top + "px"; + node.style.left = node.style.right = ""; + if (horiz == "right") { + left = display.sizer.clientWidth - node.offsetWidth; + node.style.right = "0px"; + } else { + if (horiz == "left") left = 0; + else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2; + node.style.left = left + "px"; + } + if (scroll) + scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight); + }, + + triggerOnKeyDown: methodOp(onKeyDown), + triggerOnKeyPress: methodOp(onKeyPress), + triggerOnKeyUp: onKeyUp, + + execCommand: function(cmd) { + if (commands.hasOwnProperty(cmd)) + return commands[cmd].call(null, this); + }, + + triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), + + findPosH: function(from, amount, unit, visually) { + var dir = 1; + if (amount < 0) { dir = -1; amount = -amount; } + for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { + cur = findPosH(this.doc, cur, dir, unit, visually); + if (cur.hitSide) break; + } + return cur; + }, + + moveH: methodOp(function(dir, unit) { + var cm = this; + cm.extendSelectionsBy(function(range) { + if (cm.display.shift || cm.doc.extend || range.empty()) + return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually); + else + return dir < 0 ? range.from() : range.to(); + }, sel_move); + }), + + deleteH: methodOp(function(dir, unit) { + var sel = this.doc.sel, doc = this.doc; + if (sel.somethingSelected()) + doc.replaceSelection("", null, "+delete"); + else + deleteNearSelection(this, function(range) { + var other = findPosH(doc, range.head, dir, unit, false); + return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}; + }); + }), + + findPosV: function(from, amount, unit, goalColumn) { + var dir = 1, x = goalColumn; + if (amount < 0) { dir = -1; amount = -amount; } + for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { + var coords = cursorCoords(this, cur, "div"); + if (x == null) x = coords.left; + else coords.left = x; + cur = findPosV(this, coords, dir, unit); + if (cur.hitSide) break; + } + return cur; + }, + + moveV: methodOp(function(dir, unit) { + var cm = this, doc = this.doc, goals = []; + var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected(); + doc.extendSelectionsBy(function(range) { + if (collapse) + return dir < 0 ? range.from() : range.to(); + var headPos = cursorCoords(cm, range.head, "div"); + if (range.goalColumn != null) headPos.left = range.goalColumn; + goals.push(headPos.left); + var pos = findPosV(cm, headPos, dir, unit); + if (unit == "page" && range == doc.sel.primary()) + addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top); + return pos; + }, sel_move); + if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++) + doc.sel.ranges[i].goalColumn = goals[i]; + }), + + // Find the word at the given position (as returned by coordsChar). + findWordAt: function(pos) { + var doc = this.doc, line = getLine(doc, pos.line).text; + var start = pos.ch, end = pos.ch; + if (line) { + var helper = this.getHelper(pos, "wordChars"); + if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end; + var startChar = line.charAt(start); + var check = isWordChar(startChar, helper) + ? function(ch) { return isWordChar(ch, helper); } + : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} + : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; + while (start > 0 && check(line.charAt(start - 1))) --start; + while (end < line.length && check(line.charAt(end))) ++end; + } + return new Range(Pos(pos.line, start), Pos(pos.line, end)); + }, + + toggleOverwrite: function(value) { + if (value != null && value == this.state.overwrite) return; + if (this.state.overwrite = !this.state.overwrite) + addClass(this.display.cursorDiv, "CodeMirror-overwrite"); + else + rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); + + signal(this, "overwriteToggle", this, this.state.overwrite); + }, + hasFocus: function() { return this.display.input.getField() == activeElt(); }, + isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit); }, + + scrollTo: methodOp(function(x, y) { + if (x != null || y != null) resolveScrollToPos(this); + if (x != null) this.curOp.scrollLeft = x; + if (y != null) this.curOp.scrollTop = y; + }), + getScrollInfo: function() { + var scroller = this.display.scroller; + return {left: scroller.scrollLeft, top: scroller.scrollTop, + height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, + width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, + clientHeight: displayHeight(this), clientWidth: displayWidth(this)}; + }, + + scrollIntoView: methodOp(function(range, margin) { + if (range == null) { + range = {from: this.doc.sel.primary().head, to: null}; + if (margin == null) margin = this.options.cursorScrollMargin; + } else if (typeof range == "number") { + range = {from: Pos(range, 0), to: null}; + } else if (range.from == null) { + range = {from: range, to: null}; + } + if (!range.to) range.to = range.from; + range.margin = margin || 0; + + if (range.from.line != null) { + resolveScrollToPos(this); + this.curOp.scrollToPos = range; + } else { + var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left), + Math.min(range.from.top, range.to.top) - range.margin, + Math.max(range.from.right, range.to.right), + Math.max(range.from.bottom, range.to.bottom) + range.margin); + this.scrollTo(sPos.scrollLeft, sPos.scrollTop); + } + }), + + setSize: methodOp(function(width, height) { + var cm = this; + function interpret(val) { + return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; + } + if (width != null) cm.display.wrapper.style.width = interpret(width); + if (height != null) cm.display.wrapper.style.height = interpret(height); + if (cm.options.lineWrapping) clearLineMeasurementCache(this); + var lineNo = cm.display.viewFrom; + cm.doc.iter(lineNo, cm.display.viewTo, function(line) { + if (line.widgets) for (var i = 0; i < line.widgets.length; i++) + if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; } + ++lineNo; + }); + cm.curOp.forceUpdate = true; + signal(cm, "refresh", this); + }), + + operation: function(f){return runInOp(this, f);}, + + refresh: methodOp(function() { + var oldHeight = this.display.cachedTextHeight; + regChange(this); + this.curOp.forceUpdate = true; + clearCaches(this); + this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop); + updateGutterSpace(this); + if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) + estimateLineHeights(this); + signal(this, "refresh", this); + }), + + swapDoc: methodOp(function(doc) { + var old = this.doc; + old.cm = null; + attachDoc(this, doc); + clearCaches(this); + this.display.input.reset(); + this.scrollTo(doc.scrollLeft, doc.scrollTop); + this.curOp.forceScroll = true; + signalLater(this, "swapDoc", this, old); + return old; + }), + + getInputField: function(){return this.display.input.getField();}, + getWrapperElement: function(){return this.display.wrapper;}, + getScrollerElement: function(){return this.display.scroller;}, + getGutterElement: function(){return this.display.gutters;} + }; + eventMixin(CodeMirror); + + // OPTION DEFAULTS + + // The default configuration options. + var defaults = CodeMirror.defaults = {}; + // Functions to run when options are changed. + var optionHandlers = CodeMirror.optionHandlers = {}; + + function option(name, deflt, handle, notOnInit) { + CodeMirror.defaults[name] = deflt; + if (handle) optionHandlers[name] = + notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle; + } + + // Passed to option handlers when there is no old value. + var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}}; + + // These two are, on init, called from the constructor because they + // have to be initialized before the editor can start at all. + option("value", "", function(cm, val) { + cm.setValue(val); + }, true); + option("mode", null, function(cm, val) { + cm.doc.modeOption = val; + loadMode(cm); + }, true); + + option("indentUnit", 2, loadMode, true); + option("indentWithTabs", false); + option("smartIndent", true); + option("tabSize", 4, function(cm) { + resetModeState(cm); + clearCaches(cm); + regChange(cm); + }, true); + option("lineSeparator", null, function(cm, val) { + cm.doc.lineSep = val; + if (!val) return; + var newBreaks = [], lineNo = cm.doc.first; + cm.doc.iter(function(line) { + for (var pos = 0;;) { + var found = line.text.indexOf(val, pos); + if (found == -1) break; + pos = found + val.length; + newBreaks.push(Pos(lineNo, found)); + } + lineNo++; + }); + for (var i = newBreaks.length - 1; i >= 0; i--) + replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) + }); + option("specialChars", /[\u0000-\u001f\u007f\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) { + cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); + if (old != CodeMirror.Init) cm.refresh(); + }); + option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true); + option("electricChars", true); + option("inputStyle", mobile ? "contenteditable" : "textarea", function() { + throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME + }, true); + option("rtlMoveVisually", !windows); + option("wholeLineUpdateBefore", true); + + option("theme", "default", function(cm) { + themeChanged(cm); + guttersChanged(cm); + }, true); + option("keyMap", "default", function(cm, val, old) { + var next = getKeyMap(val); + var prev = old != CodeMirror.Init && getKeyMap(old); + if (prev && prev.detach) prev.detach(cm, next); + if (next.attach) next.attach(cm, prev || null); + }); + option("extraKeys", null); + + option("lineWrapping", false, wrappingChanged, true); + option("gutters", [], function(cm) { + setGuttersForLineNumbers(cm.options); + guttersChanged(cm); + }, true); + option("fixedGutter", true, function(cm, val) { + cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; + cm.refresh(); + }, true); + option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true); + option("scrollbarStyle", "native", function(cm) { + initScrollbars(cm); + updateScrollbars(cm); + cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); + cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); + }, true); + option("lineNumbers", false, function(cm) { + setGuttersForLineNumbers(cm.options); + guttersChanged(cm); + }, true); + option("firstLineNumber", 1, guttersChanged, true); + option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true); + option("showCursorWhenSelecting", false, updateSelection, true); + + option("resetSelectionOnContextMenu", true); + option("lineWiseCopyCut", true); + + option("readOnly", false, function(cm, val) { + if (val == "nocursor") { + onBlur(cm); + cm.display.input.blur(); + cm.display.disabled = true; + } else { + cm.display.disabled = false; + } + cm.display.input.readOnlyChanged(val) + }); + option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true); + option("dragDrop", true, dragDropChanged); + option("allowDropFileTypes", null); + + option("cursorBlinkRate", 530); + option("cursorScrollMargin", 0); + option("cursorHeight", 1, updateSelection, true); + option("singleCursorHeightPerLine", true, updateSelection, true); + option("workTime", 100); + option("workDelay", 100); + option("flattenSpans", true, resetModeState, true); + option("addModeClass", false, resetModeState, true); + option("pollInterval", 100); + option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;}); + option("historyEventDelay", 1250); + option("viewportMargin", 10, function(cm){cm.refresh();}, true); + option("maxHighlightLength", 10000, resetModeState, true); + option("moveInputWithCursor", true, function(cm, val) { + if (!val) cm.display.input.resetPosition(); + }); + + option("tabindex", null, function(cm, val) { + cm.display.input.getField().tabIndex = val || ""; + }); + option("autofocus", null); + + // MODE DEFINITION AND QUERYING + + // Known modes, by name and by MIME + var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; + + // Extra arguments are stored as the mode's dependencies, which is + // used by (legacy) mechanisms like loadmode.js to automatically + // load a mode. (Preferred mechanism is the require/define calls.) + CodeMirror.defineMode = function(name, mode) { + if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; + if (arguments.length > 2) + mode.dependencies = Array.prototype.slice.call(arguments, 2); + modes[name] = mode; + }; + + CodeMirror.defineMIME = function(mime, spec) { + mimeModes[mime] = spec; + }; + + // Given a MIME type, a {name, ...options} config object, or a name + // string, return a mode config object. + CodeMirror.resolveMode = function(spec) { + if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { + spec = mimeModes[spec]; + } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { + var found = mimeModes[spec.name]; + if (typeof found == "string") found = {name: found}; + spec = createObj(found, spec); + spec.name = found.name; + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { + return CodeMirror.resolveMode("application/xml"); + } + if (typeof spec == "string") return {name: spec}; + else return spec || {name: "null"}; + }; + + // Given a mode spec (anything that resolveMode accepts), find and + // initialize an actual mode object. + CodeMirror.getMode = function(options, spec) { + var spec = CodeMirror.resolveMode(spec); + var mfactory = modes[spec.name]; + if (!mfactory) return CodeMirror.getMode(options, "text/plain"); + var modeObj = mfactory(options, spec); + if (modeExtensions.hasOwnProperty(spec.name)) { + var exts = modeExtensions[spec.name]; + for (var prop in exts) { + if (!exts.hasOwnProperty(prop)) continue; + if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop]; + modeObj[prop] = exts[prop]; + } + } + modeObj.name = spec.name; + if (spec.helperType) modeObj.helperType = spec.helperType; + if (spec.modeProps) for (var prop in spec.modeProps) + modeObj[prop] = spec.modeProps[prop]; + + return modeObj; + }; + + // Minimal default mode. + CodeMirror.defineMode("null", function() { + return {token: function(stream) {stream.skipToEnd();}}; + }); + CodeMirror.defineMIME("text/plain", "null"); + + // This can be used to attach properties to mode objects from + // outside the actual mode definition. + var modeExtensions = CodeMirror.modeExtensions = {}; + CodeMirror.extendMode = function(mode, properties) { + var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); + copyObj(properties, exts); + }; + + // EXTENSIONS + + CodeMirror.defineExtension = function(name, func) { + CodeMirror.prototype[name] = func; + }; + CodeMirror.defineDocExtension = function(name, func) { + Doc.prototype[name] = func; + }; + CodeMirror.defineOption = option; + + var initHooks = []; + CodeMirror.defineInitHook = function(f) {initHooks.push(f);}; + + var helpers = CodeMirror.helpers = {}; + CodeMirror.registerHelper = function(type, name, value) { + if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []}; + helpers[type][name] = value; + }; + CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { + CodeMirror.registerHelper(type, name, value); + helpers[type]._global.push({pred: predicate, val: value}); + }; + + // MODE STATE HANDLING + + // Utility functions for working with state. Exported because nested + // modes need to do this for their inner modes. + + var copyState = CodeMirror.copyState = function(mode, state) { + if (state === true) return state; + if (mode.copyState) return mode.copyState(state); + var nstate = {}; + for (var n in state) { + var val = state[n]; + if (val instanceof Array) val = val.concat([]); + nstate[n] = val; + } + return nstate; + }; + + var startState = CodeMirror.startState = function(mode, a1, a2) { + return mode.startState ? mode.startState(a1, a2) : true; + }; + + // Given a mode and a state (for that mode), find the inner mode and + // state at the position that the state refers to. + CodeMirror.innerMode = function(mode, state) { + while (mode.innerMode) { + var info = mode.innerMode(state); + if (!info || info.mode == mode) break; + state = info.state; + mode = info.mode; + } + return info || {mode: mode, state: state}; + }; + + // STANDARD COMMANDS + + // Commands are parameter-less actions that can be performed on an + // editor, mostly used for keybindings. + var commands = CodeMirror.commands = { + selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);}, + singleSelection: function(cm) { + cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); + }, + killLine: function(cm) { + deleteNearSelection(cm, function(range) { + if (range.empty()) { + var len = getLine(cm.doc, range.head.line).text.length; + if (range.head.ch == len && range.head.line < cm.lastLine()) + return {from: range.head, to: Pos(range.head.line + 1, 0)}; + else + return {from: range.head, to: Pos(range.head.line, len)}; + } else { + return {from: range.from(), to: range.to()}; + } + }); + }, + deleteLine: function(cm) { + deleteNearSelection(cm, function(range) { + return {from: Pos(range.from().line, 0), + to: clipPos(cm.doc, Pos(range.to().line + 1, 0))}; + }); + }, + delLineLeft: function(cm) { + deleteNearSelection(cm, function(range) { + return {from: Pos(range.from().line, 0), to: range.from()}; + }); + }, + delWrappedLineLeft: function(cm) { + deleteNearSelection(cm, function(range) { + var top = cm.charCoords(range.head, "div").top + 5; + var leftPos = cm.coordsChar({left: 0, top: top}, "div"); + return {from: leftPos, to: range.from()}; + }); + }, + delWrappedLineRight: function(cm) { + deleteNearSelection(cm, function(range) { + var top = cm.charCoords(range.head, "div").top + 5; + var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); + return {from: range.from(), to: rightPos }; + }); + }, + undo: function(cm) {cm.undo();}, + redo: function(cm) {cm.redo();}, + undoSelection: function(cm) {cm.undoSelection();}, + redoSelection: function(cm) {cm.redoSelection();}, + goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));}, + goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));}, + goLineStart: function(cm) { + cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); }, + {origin: "+move", bias: 1}); + }, + goLineStartSmart: function(cm) { + cm.extendSelectionsBy(function(range) { + return lineStartSmart(cm, range.head); + }, {origin: "+move", bias: 1}); + }, + goLineEnd: function(cm) { + cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); }, + {origin: "+move", bias: -1}); + }, + goLineRight: function(cm) { + cm.extendSelectionsBy(function(range) { + var top = cm.charCoords(range.head, "div").top + 5; + return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); + }, sel_move); + }, + goLineLeft: function(cm) { + cm.extendSelectionsBy(function(range) { + var top = cm.charCoords(range.head, "div").top + 5; + return cm.coordsChar({left: 0, top: top}, "div"); + }, sel_move); + }, + goLineLeftSmart: function(cm) { + cm.extendSelectionsBy(function(range) { + var top = cm.charCoords(range.head, "div").top + 5; + var pos = cm.coordsChar({left: 0, top: top}, "div"); + if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head); + return pos; + }, sel_move); + }, + goLineUp: function(cm) {cm.moveV(-1, "line");}, + goLineDown: function(cm) {cm.moveV(1, "line");}, + goPageUp: function(cm) {cm.moveV(-1, "page");}, + goPageDown: function(cm) {cm.moveV(1, "page");}, + goCharLeft: function(cm) {cm.moveH(-1, "char");}, + goCharRight: function(cm) {cm.moveH(1, "char");}, + goColumnLeft: function(cm) {cm.moveH(-1, "column");}, + goColumnRight: function(cm) {cm.moveH(1, "column");}, + goWordLeft: function(cm) {cm.moveH(-1, "word");}, + goGroupRight: function(cm) {cm.moveH(1, "group");}, + goGroupLeft: function(cm) {cm.moveH(-1, "group");}, + goWordRight: function(cm) {cm.moveH(1, "word");}, + delCharBefore: function(cm) {cm.deleteH(-1, "char");}, + delCharAfter: function(cm) {cm.deleteH(1, "char");}, + delWordBefore: function(cm) {cm.deleteH(-1, "word");}, + delWordAfter: function(cm) {cm.deleteH(1, "word");}, + delGroupBefore: function(cm) {cm.deleteH(-1, "group");}, + delGroupAfter: function(cm) {cm.deleteH(1, "group");}, + indentAuto: function(cm) {cm.indentSelection("smart");}, + indentMore: function(cm) {cm.indentSelection("add");}, + indentLess: function(cm) {cm.indentSelection("subtract");}, + insertTab: function(cm) {cm.replaceSelection("\t");}, + insertSoftTab: function(cm) { + var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; + for (var i = 0; i < ranges.length; i++) { + var pos = ranges[i].from(); + var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); + spaces.push(spaceStr(tabSize - col % tabSize)); + } + cm.replaceSelections(spaces); + }, + defaultTab: function(cm) { + if (cm.somethingSelected()) cm.indentSelection("add"); + else cm.execCommand("insertTab"); + }, + transposeChars: function(cm) { + runInOp(cm, function() { + var ranges = cm.listSelections(), newSel = []; + for (var i = 0; i < ranges.length; i++) { + var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; + if (line) { + if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1); + if (cur.ch > 0) { + cur = new Pos(cur.line, cur.ch + 1); + cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), + Pos(cur.line, cur.ch - 2), cur, "+transpose"); + } else if (cur.line > cm.doc.first) { + var prev = getLine(cm.doc, cur.line - 1).text; + if (prev) + cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + + prev.charAt(prev.length - 1), + Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose"); + } + } + newSel.push(new Range(cur, cur)); + } + cm.setSelections(newSel); + }); + }, + newlineAndIndent: function(cm) { + runInOp(cm, function() { + var len = cm.listSelections().length; + for (var i = 0; i < len; i++) { + var range = cm.listSelections()[i]; + cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input"); + cm.indentLine(range.from().line + 1, null, true); + } + ensureCursorVisible(cm); + }); + }, + openLine: function(cm) {cm.replaceSelection("\n", "start")}, + toggleOverwrite: function(cm) {cm.toggleOverwrite();} + }; + + + // STANDARD KEYMAPS + + var keyMap = CodeMirror.keyMap = {}; + + keyMap.basic = { + "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", + "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", + "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", + "Tab": "defaultTab", "Shift-Tab": "indentAuto", + "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", + "Esc": "singleSelection" + }; + // Note that the save and find-related commands aren't defined by + // default. User code or addons can define them. Unknown commands + // are simply ignored. + keyMap.pcDefault = { + "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", + "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", + "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", + "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", + "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", + "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", + "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", + fallthrough: "basic" + }; + // Very basic readline/emacs-style bindings, which are standard on Mac. + keyMap.emacsy = { + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", + "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", + "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars", + "Ctrl-O": "openLine" + }; + keyMap.macDefault = { + "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", + "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", + "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", + "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", + "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", + "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", + "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", + fallthrough: ["basic", "emacsy"] + }; + keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; + + // KEYMAP DISPATCH + + function normalizeKeyName(name) { + var parts = name.split(/-(?!$)/), name = parts[parts.length - 1]; + var alt, ctrl, shift, cmd; + for (var i = 0; i < parts.length - 1; i++) { + var mod = parts[i]; + if (/^(cmd|meta|m)$/i.test(mod)) cmd = true; + else if (/^a(lt)?$/i.test(mod)) alt = true; + else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true; + else if (/^s(hift)$/i.test(mod)) shift = true; + else throw new Error("Unrecognized modifier name: " + mod); + } + if (alt) name = "Alt-" + name; + if (ctrl) name = "Ctrl-" + name; + if (cmd) name = "Cmd-" + name; + if (shift) name = "Shift-" + name; + return name; + } + + // This is a kludge to keep keymaps mostly working as raw objects + // (backwards compatibility) while at the same time support features + // like normalization and multi-stroke key bindings. It compiles a + // new normalized keymap, and then updates the old object to reflect + // this. + CodeMirror.normalizeKeyMap = function(keymap) { + var copy = {}; + for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) { + var value = keymap[keyname]; + if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue; + if (value == "...") { delete keymap[keyname]; continue; } + + var keys = map(keyname.split(" "), normalizeKeyName); + for (var i = 0; i < keys.length; i++) { + var val, name; + if (i == keys.length - 1) { + name = keys.join(" "); + val = value; + } else { + name = keys.slice(0, i + 1).join(" "); + val = "..."; + } + var prev = copy[name]; + if (!prev) copy[name] = val; + else if (prev != val) throw new Error("Inconsistent bindings for " + name); + } + delete keymap[keyname]; + } + for (var prop in copy) keymap[prop] = copy[prop]; + return keymap; + }; + + var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) { + map = getKeyMap(map); + var found = map.call ? map.call(key, context) : map[key]; + if (found === false) return "nothing"; + if (found === "...") return "multi"; + if (found != null && handle(found)) return "handled"; + + if (map.fallthrough) { + if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") + return lookupKey(key, map.fallthrough, handle, context); + for (var i = 0; i < map.fallthrough.length; i++) { + var result = lookupKey(key, map.fallthrough[i], handle, context); + if (result) return result; + } + } + }; + + // Modifier key presses don't count as 'real' key presses for the + // purpose of keymap fallthrough. + var isModifierKey = CodeMirror.isModifierKey = function(value) { + var name = typeof value == "string" ? value : keyNames[value.keyCode]; + return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; + }; + + // Look up the name of a key as indicated by an event object. + var keyName = CodeMirror.keyName = function(event, noShift) { + if (presto && event.keyCode == 34 && event["char"]) return false; + var base = keyNames[event.keyCode], name = base; + if (name == null || event.altGraphKey) return false; + if (event.altKey && base != "Alt") name = "Alt-" + name; + if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name; + if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name; + if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name; + return name; + }; + + function getKeyMap(val) { + return typeof val == "string" ? keyMap[val] : val; + } + + // FROMTEXTAREA + + CodeMirror.fromTextArea = function(textarea, options) { + options = options ? copyObj(options) : {}; + options.value = textarea.value; + if (!options.tabindex && textarea.tabIndex) + options.tabindex = textarea.tabIndex; + if (!options.placeholder && textarea.placeholder) + options.placeholder = textarea.placeholder; + // Set autofocus to true if this textarea is focused, or if it has + // autofocus and no other element is focused. + if (options.autofocus == null) { + var hasFocus = activeElt(); + options.autofocus = hasFocus == textarea || + textarea.getAttribute("autofocus") != null && hasFocus == document.body; + } + + function save() {textarea.value = cm.getValue();} + if (textarea.form) { + on(textarea.form, "submit", save); + // Deplorable hack to make the submit method do the right thing. + if (!options.leaveSubmitMethodAlone) { + var form = textarea.form, realSubmit = form.submit; + try { + var wrappedSubmit = form.submit = function() { + save(); + form.submit = realSubmit; + form.submit(); + form.submit = wrappedSubmit; + }; + } catch(e) {} + } + } + + options.finishInit = function(cm) { + cm.save = save; + cm.getTextArea = function() { return textarea; }; + cm.toTextArea = function() { + cm.toTextArea = isNaN; // Prevent this from being ran twice + save(); + textarea.parentNode.removeChild(cm.getWrapperElement()); + textarea.style.display = ""; + if (textarea.form) { + off(textarea.form, "submit", save); + if (typeof textarea.form.submit == "function") + textarea.form.submit = realSubmit; + } + }; + }; + + textarea.style.display = "none"; + var cm = CodeMirror(function(node) { + textarea.parentNode.insertBefore(node, textarea.nextSibling); + }, options); + return cm; + }; + + // STRING STREAM + + // Fed to the mode parsers, provides helper functions to make + // parsers more succinct. + + var StringStream = CodeMirror.StringStream = function(string, tabSize) { + this.pos = this.start = 0; + this.string = string; + this.tabSize = tabSize || 8; + this.lastColumnPos = this.lastColumnValue = 0; + this.lineStart = 0; + }; + + StringStream.prototype = { + eol: function() {return this.pos >= this.string.length;}, + sol: function() {return this.pos == this.lineStart;}, + peek: function() {return this.string.charAt(this.pos) || undefined;}, + next: function() { + if (this.pos < this.string.length) + return this.string.charAt(this.pos++); + }, + eat: function(match) { + var ch = this.string.charAt(this.pos); + if (typeof match == "string") var ok = ch == match; + else var ok = ch && (match.test ? match.test(ch) : match(ch)); + if (ok) {++this.pos; return ch;} + }, + eatWhile: function(match) { + var start = this.pos; + while (this.eat(match)){} + return this.pos > start; + }, + eatSpace: function() { + var start = this.pos; + while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; + return this.pos > start; + }, + skipToEnd: function() {this.pos = this.string.length;}, + skipTo: function(ch) { + var found = this.string.indexOf(ch, this.pos); + if (found > -1) {this.pos = found; return true;} + }, + backUp: function(n) {this.pos -= n;}, + column: function() { + if (this.lastColumnPos < this.start) { + this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); + this.lastColumnPos = this.start; + } + return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); + }, + indentation: function() { + return countColumn(this.string, null, this.tabSize) - + (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); + }, + match: function(pattern, consume, caseInsensitive) { + if (typeof pattern == "string") { + var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; + var substr = this.string.substr(this.pos, pattern.length); + if (cased(substr) == cased(pattern)) { + if (consume !== false) this.pos += pattern.length; + return true; + } + } else { + var match = this.string.slice(this.pos).match(pattern); + if (match && match.index > 0) return null; + if (match && consume !== false) this.pos += match[0].length; + return match; + } + }, + current: function(){return this.string.slice(this.start, this.pos);}, + hideFirstChars: function(n, inner) { + this.lineStart += n; + try { return inner(); } + finally { this.lineStart -= n; } + } + }; + + // TEXTMARKERS + + // Created with markText and setBookmark methods. A TextMarker is a + // handle that can be used to clear or find a marked position in the + // document. Line objects hold arrays (markedSpans) containing + // {from, to, marker} object pointing to such marker objects, and + // indicating that such a marker is present on that line. Multiple + // lines may point to the same marker when it spans across lines. + // The spans will have null for their from/to properties when the + // marker continues beyond the start/end of the line. Markers have + // links back to the lines they currently touch. + + var nextMarkerId = 0; + + var TextMarker = CodeMirror.TextMarker = function(doc, type) { + this.lines = []; + this.type = type; + this.doc = doc; + this.id = ++nextMarkerId; + }; + eventMixin(TextMarker); + + // Clear the marker. + TextMarker.prototype.clear = function() { + if (this.explicitlyCleared) return; + var cm = this.doc.cm, withOp = cm && !cm.curOp; + if (withOp) startOperation(cm); + if (hasHandler(this, "clear")) { + var found = this.find(); + if (found) signalLater(this, "clear", found.from, found.to); + } + var min = null, max = null; + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text"); + else if (cm) { + if (span.to != null) max = lineNo(line); + if (span.from != null) min = lineNo(line); + } + line.markedSpans = removeMarkedSpan(line.markedSpans, span); + if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm) + updateLineHeight(line, textHeight(cm.display)); + } + if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) { + var visual = visualLine(this.lines[i]), len = lineLength(visual); + if (len > cm.display.maxLineLength) { + cm.display.maxLine = visual; + cm.display.maxLineLength = len; + cm.display.maxLineChanged = true; + } + } + + if (min != null && cm && this.collapsed) regChange(cm, min, max + 1); + this.lines.length = 0; + this.explicitlyCleared = true; + if (this.atomic && this.doc.cantEdit) { + this.doc.cantEdit = false; + if (cm) reCheckSelection(cm.doc); + } + if (cm) signalLater(cm, "markerCleared", cm, this); + if (withOp) endOperation(cm); + if (this.parent) this.parent.clear(); + }; + + // Find the position of the marker in the document. Returns a {from, + // to} object by default. Side can be passed to get a specific side + // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the + // Pos objects returned contain a line object, rather than a line + // number (used to prevent looking up the same line twice). + TextMarker.prototype.find = function(side, lineObj) { + if (side == null && this.type == "bookmark") side = 1; + var from, to; + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (span.from != null) { + from = Pos(lineObj ? line : lineNo(line), span.from); + if (side == -1) return from; + } + if (span.to != null) { + to = Pos(lineObj ? line : lineNo(line), span.to); + if (side == 1) return to; + } + } + return from && {from: from, to: to}; + }; + + // Signals that the marker's widget changed, and surrounding layout + // should be recomputed. + TextMarker.prototype.changed = function() { + var pos = this.find(-1, true), widget = this, cm = this.doc.cm; + if (!pos || !cm) return; + runInOp(cm, function() { + var line = pos.line, lineN = lineNo(pos.line); + var view = findViewForLine(cm, lineN); + if (view) { + clearLineMeasurementCacheFor(view); + cm.curOp.selectionChanged = cm.curOp.forceUpdate = true; + } + cm.curOp.updateMaxLine = true; + if (!lineIsHidden(widget.doc, line) && widget.height != null) { + var oldHeight = widget.height; + widget.height = null; + var dHeight = widgetHeight(widget) - oldHeight; + if (dHeight) + updateLineHeight(line, line.height + dHeight); + } + }); + }; + + TextMarker.prototype.attachLine = function(line) { + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp; + if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) + (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); + } + this.lines.push(line); + }; + TextMarker.prototype.detachLine = function(line) { + this.lines.splice(indexOf(this.lines, line), 1); + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp; + (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); + } + }; + + // Collapsed markers have unique ids, in order to be able to order + // them, which is needed for uniquely determining an outer marker + // when they overlap (they may nest, but not partially overlap). + var nextMarkerId = 0; + + // Create a marker, wire it up to the right lines, and + function markText(doc, from, to, options, type) { + // Shared markers (across linked documents) are handled separately + // (markTextShared will call out to this again, once per + // document). + if (options && options.shared) return markTextShared(doc, from, to, options, type); + // Ensure we are in an operation. + if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type); + + var marker = new TextMarker(doc, type), diff = cmp(from, to); + if (options) copyObj(options, marker, false); + // Don't connect empty markers unless clearWhenEmpty is false + if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) + return marker; + if (marker.replacedWith) { + // Showing up as a widget implies collapsed (widget replaces text) + marker.collapsed = true; + marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget"); + if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true"); + if (options.insertLeft) marker.widgetNode.insertLeft = true; + } + if (marker.collapsed) { + if (conflictingCollapsedRange(doc, from.line, from, to, marker) || + from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) + throw new Error("Inserting collapsed marker partially overlapping an existing one"); + sawCollapsedSpans = true; + } + + if (marker.addToHistory) + addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); + + var curLine = from.line, cm = doc.cm, updateMaxLine; + doc.iter(curLine, to.line + 1, function(line) { + if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) + updateMaxLine = true; + if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0); + addMarkedSpan(line, new MarkedSpan(marker, + curLine == from.line ? from.ch : null, + curLine == to.line ? to.ch : null)); + ++curLine; + }); + // lineIsHidden depends on the presence of the spans, so needs a second pass + if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) { + if (lineIsHidden(doc, line)) updateLineHeight(line, 0); + }); + + if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); }); + + if (marker.readOnly) { + sawReadOnlySpans = true; + if (doc.history.done.length || doc.history.undone.length) + doc.clearHistory(); + } + if (marker.collapsed) { + marker.id = ++nextMarkerId; + marker.atomic = true; + } + if (cm) { + // Sync editor state + if (updateMaxLine) cm.curOp.updateMaxLine = true; + if (marker.collapsed) + regChange(cm, from.line, to.line + 1); + else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) + for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text"); + if (marker.atomic) reCheckSelection(cm.doc); + signalLater(cm, "markerAdded", cm, marker); + } + return marker; + } + + // SHARED TEXTMARKERS + + // A shared marker spans multiple linked documents. It is + // implemented as a meta-marker-object controlling multiple normal + // markers. + var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) { + this.markers = markers; + this.primary = primary; + for (var i = 0; i < markers.length; ++i) + markers[i].parent = this; + }; + eventMixin(SharedTextMarker); + + SharedTextMarker.prototype.clear = function() { + if (this.explicitlyCleared) return; + this.explicitlyCleared = true; + for (var i = 0; i < this.markers.length; ++i) + this.markers[i].clear(); + signalLater(this, "clear"); + }; + SharedTextMarker.prototype.find = function(side, lineObj) { + return this.primary.find(side, lineObj); + }; + + function markTextShared(doc, from, to, options, type) { + options = copyObj(options); + options.shared = false; + var markers = [markText(doc, from, to, options, type)], primary = markers[0]; + var widget = options.widgetNode; + linkedDocs(doc, function(doc) { + if (widget) options.widgetNode = widget.cloneNode(true); + markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); + for (var i = 0; i < doc.linked.length; ++i) + if (doc.linked[i].isParent) return; + primary = lst(markers); + }); + return new SharedTextMarker(markers, primary); + } + + function findSharedMarkers(doc) { + return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), + function(m) { return m.parent; }); + } + + function copySharedMarkers(doc, markers) { + for (var i = 0; i < markers.length; i++) { + var marker = markers[i], pos = marker.find(); + var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); + if (cmp(mFrom, mTo)) { + var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); + marker.markers.push(subMark); + subMark.parent = marker; + } + } + } + + function detachSharedMarkers(markers) { + for (var i = 0; i < markers.length; i++) { + var marker = markers[i], linked = [marker.primary.doc];; + linkedDocs(marker.primary.doc, function(d) { linked.push(d); }); + for (var j = 0; j < marker.markers.length; j++) { + var subMarker = marker.markers[j]; + if (indexOf(linked, subMarker.doc) == -1) { + subMarker.parent = null; + marker.markers.splice(j--, 1); + } + } + } + } + + // TEXTMARKER SPANS + + function MarkedSpan(marker, from, to) { + this.marker = marker; + this.from = from; this.to = to; + } + + // Search an array of spans for a span matching the given marker. + function getMarkedSpanFor(spans, marker) { + if (spans) for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.marker == marker) return span; + } + } + // Remove a span from an array, returning undefined if no spans are + // left (we don't store arrays for lines without spans). + function removeMarkedSpan(spans, span) { + for (var r, i = 0; i < spans.length; ++i) + if (spans[i] != span) (r || (r = [])).push(spans[i]); + return r; + } + // Add a span to a line. + function addMarkedSpan(line, span) { + line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; + span.marker.attachLine(line); + } + + // Used for the algorithm that adjusts markers for a change in the + // document. These functions cut an array of spans at a given + // character position, returning an array of remaining chunks (or + // undefined if nothing remains). + function markedSpansBefore(old, startCh, isInsert) { + if (old) for (var i = 0, nw; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); + if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); + (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); + } + } + return nw; + } + function markedSpansAfter(old, endCh, isInsert) { + if (old) for (var i = 0, nw; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); + if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); + (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, + span.to == null ? null : span.to - endCh)); + } + } + return nw; + } + + // Given a change object, compute the new set of marker spans that + // cover the line in which the change took place. Removes spans + // entirely within the change, reconnects spans belonging to the + // same marker that appear on both sides of the change, and cuts off + // spans partially within the change. Returns an array of span + // arrays with one element for each line in (after) the change. + function stretchSpansOverChange(doc, change) { + if (change.full) return null; + var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; + var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; + if (!oldFirst && !oldLast) return null; + + var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; + // Get the spans that 'stick out' on both sides + var first = markedSpansBefore(oldFirst, startCh, isInsert); + var last = markedSpansAfter(oldLast, endCh, isInsert); + + // Next, merge those two ends + var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); + if (first) { + // Fix up .to properties of first + for (var i = 0; i < first.length; ++i) { + var span = first[i]; + if (span.to == null) { + var found = getMarkedSpanFor(last, span.marker); + if (!found) span.to = startCh; + else if (sameLine) span.to = found.to == null ? null : found.to + offset; + } + } + } + if (last) { + // Fix up .from in last (or move them into first in case of sameLine) + for (var i = 0; i < last.length; ++i) { + var span = last[i]; + if (span.to != null) span.to += offset; + if (span.from == null) { + var found = getMarkedSpanFor(first, span.marker); + if (!found) { + span.from = offset; + if (sameLine) (first || (first = [])).push(span); + } + } else { + span.from += offset; + if (sameLine) (first || (first = [])).push(span); + } + } + } + // Make sure we didn't create any zero-length spans + if (first) first = clearEmptySpans(first); + if (last && last != first) last = clearEmptySpans(last); + + var newMarkers = [first]; + if (!sameLine) { + // Fill gap with whole-line-spans + var gap = change.text.length - 2, gapMarkers; + if (gap > 0 && first) + for (var i = 0; i < first.length; ++i) + if (first[i].to == null) + (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null)); + for (var i = 0; i < gap; ++i) + newMarkers.push(gapMarkers); + newMarkers.push(last); + } + return newMarkers; + } + + // Remove spans that are empty and don't have a clearWhenEmpty + // option of false. + function clearEmptySpans(spans) { + for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) + spans.splice(i--, 1); + } + if (!spans.length) return null; + return spans; + } + + // Used for un/re-doing changes from the history. Combines the + // result of computing the existing spans with the set of spans that + // existed in the history (so that deleting around a span and then + // undoing brings back the span). + function mergeOldSpans(doc, change) { + var old = getOldSpans(doc, change); + var stretched = stretchSpansOverChange(doc, change); + if (!old) return stretched; + if (!stretched) return old; + + for (var i = 0; i < old.length; ++i) { + var oldCur = old[i], stretchCur = stretched[i]; + if (oldCur && stretchCur) { + spans: for (var j = 0; j < stretchCur.length; ++j) { + var span = stretchCur[j]; + for (var k = 0; k < oldCur.length; ++k) + if (oldCur[k].marker == span.marker) continue spans; + oldCur.push(span); + } + } else if (stretchCur) { + old[i] = stretchCur; + } + } + return old; + } + + // Used to 'clip' out readOnly ranges when making a change. + function removeReadOnlyRanges(doc, from, to) { + var markers = null; + doc.iter(from.line, to.line + 1, function(line) { + if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { + var mark = line.markedSpans[i].marker; + if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) + (markers || (markers = [])).push(mark); + } + }); + if (!markers) return null; + var parts = [{from: from, to: to}]; + for (var i = 0; i < markers.length; ++i) { + var mk = markers[i], m = mk.find(0); + for (var j = 0; j < parts.length; ++j) { + var p = parts[j]; + if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue; + var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); + if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) + newParts.push({from: p.from, to: m.from}); + if (dto > 0 || !mk.inclusiveRight && !dto) + newParts.push({from: m.to, to: p.to}); + parts.splice.apply(parts, newParts); + j += newParts.length - 1; + } + } + return parts; + } + + // Connect or disconnect spans from a line. + function detachMarkedSpans(line) { + var spans = line.markedSpans; + if (!spans) return; + for (var i = 0; i < spans.length; ++i) + spans[i].marker.detachLine(line); + line.markedSpans = null; + } + function attachMarkedSpans(line, spans) { + if (!spans) return; + for (var i = 0; i < spans.length; ++i) + spans[i].marker.attachLine(line); + line.markedSpans = spans; + } + + // Helpers used when computing which overlapping collapsed span + // counts as the larger one. + function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; } + function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; } + + // Returns a number indicating which of two overlapping collapsed + // spans is larger (and thus includes the other). Falls back to + // comparing ids when the spans cover exactly the same range. + function compareCollapsedMarkers(a, b) { + var lenDiff = a.lines.length - b.lines.length; + if (lenDiff != 0) return lenDiff; + var aPos = a.find(), bPos = b.find(); + var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); + if (fromCmp) return -fromCmp; + var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); + if (toCmp) return toCmp; + return b.id - a.id; + } + + // Find out whether a line ends or starts in a collapsed span. If + // so, return the marker for that span. + function collapsedSpanAtSide(line, start) { + var sps = sawCollapsedSpans && line.markedSpans, found; + if (sps) for (var sp, i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) + found = sp.marker; + } + return found; + } + function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); } + function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); } + + // Test whether there exists a collapsed span that partially + // overlaps (covers the start or end, but not both) of a new span. + // Such overlap is not allowed. + function conflictingCollapsedRange(doc, lineNo, from, to, marker) { + var line = getLine(doc, lineNo); + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (!sp.marker.collapsed) continue; + var found = sp.marker.find(0); + var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); + var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); + if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue; + if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || + fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) + return true; + } + } + + // A visual line is a line as drawn on the screen. Folding, for + // example, can cause multiple logical lines to appear on the same + // visual line. This finds the start of the visual line that the + // given line is part of (usually that is the line itself). + function visualLine(line) { + var merged; + while (merged = collapsedSpanAtStart(line)) + line = merged.find(-1, true).line; + return line; + } + + // Returns an array of logical lines that continue the visual line + // started by the argument, or undefined if there are no such lines. + function visualLineContinued(line) { + var merged, lines; + while (merged = collapsedSpanAtEnd(line)) { + line = merged.find(1, true).line; + (lines || (lines = [])).push(line); + } + return lines; + } + + // Get the line number of the start of the visual line that the + // given line number is part of. + function visualLineNo(doc, lineN) { + var line = getLine(doc, lineN), vis = visualLine(line); + if (line == vis) return lineN; + return lineNo(vis); + } + // Get the line number of the start of the next visual line after + // the given line. + function visualLineEndNo(doc, lineN) { + if (lineN > doc.lastLine()) return lineN; + var line = getLine(doc, lineN), merged; + if (!lineIsHidden(doc, line)) return lineN; + while (merged = collapsedSpanAtEnd(line)) + line = merged.find(1, true).line; + return lineNo(line) + 1; + } + + // Compute whether a line is hidden. Lines count as hidden when they + // are part of a visual line that starts with another line, or when + // they are entirely covered by collapsed, non-widget span. + function lineIsHidden(doc, line) { + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) for (var sp, i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (!sp.marker.collapsed) continue; + if (sp.from == null) return true; + if (sp.marker.widgetNode) continue; + if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) + return true; + } + } + function lineIsHiddenInner(doc, line, span) { + if (span.to == null) { + var end = span.marker.find(1, true); + return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)); + } + if (span.marker.inclusiveRight && span.to == line.text.length) + return true; + for (var sp, i = 0; i < line.markedSpans.length; ++i) { + sp = line.markedSpans[i]; + if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && + (sp.to == null || sp.to != span.from) && + (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && + lineIsHiddenInner(doc, line, sp)) return true; + } + } + + // LINE WIDGETS + + // Line widgets are block elements displayed above or below a line. + + var LineWidget = CodeMirror.LineWidget = function(doc, node, options) { + if (options) for (var opt in options) if (options.hasOwnProperty(opt)) + this[opt] = options[opt]; + this.doc = doc; + this.node = node; + }; + eventMixin(LineWidget); + + function adjustScrollWhenAboveVisible(cm, line, diff) { + if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) + addToScrollPos(cm, null, diff); + } + + LineWidget.prototype.clear = function() { + var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); + if (no == null || !ws) return; + for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1); + if (!ws.length) line.widgets = null; + var height = widgetHeight(this); + updateLineHeight(line, Math.max(0, line.height - height)); + if (cm) runInOp(cm, function() { + adjustScrollWhenAboveVisible(cm, line, -height); + regLineChange(cm, no, "widget"); + }); + }; + LineWidget.prototype.changed = function() { + var oldH = this.height, cm = this.doc.cm, line = this.line; + this.height = null; + var diff = widgetHeight(this) - oldH; + if (!diff) return; + updateLineHeight(line, line.height + diff); + if (cm) runInOp(cm, function() { + cm.curOp.forceUpdate = true; + adjustScrollWhenAboveVisible(cm, line, diff); + }); + }; + + function widgetHeight(widget) { + if (widget.height != null) return widget.height; + var cm = widget.doc.cm; + if (!cm) return 0; + if (!contains(document.body, widget.node)) { + var parentStyle = "position: relative;"; + if (widget.coverGutter) + parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; + if (widget.noHScroll) + parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; + removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); + } + return widget.height = widget.node.parentNode.offsetHeight; + } + + function addLineWidget(doc, handle, node, options) { + var widget = new LineWidget(doc, node, options); + var cm = doc.cm; + if (cm && widget.noHScroll) cm.display.alignWidgets = true; + changeLine(doc, handle, "widget", function(line) { + var widgets = line.widgets || (line.widgets = []); + if (widget.insertAt == null) widgets.push(widget); + else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); + widget.line = line; + if (cm && !lineIsHidden(doc, line)) { + var aboveVisible = heightAtLine(line) < doc.scrollTop; + updateLineHeight(line, line.height + widgetHeight(widget)); + if (aboveVisible) addToScrollPos(cm, null, widget.height); + cm.curOp.forceUpdate = true; + } + return true; + }); + return widget; + } + + // LINE DATA STRUCTURE + + // Line objects. These hold state related to a line, including + // highlighting info (the styles array). + var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) { + this.text = text; + attachMarkedSpans(this, markedSpans); + this.height = estimateHeight ? estimateHeight(this) : 1; + }; + eventMixin(Line); + Line.prototype.lineNo = function() { return lineNo(this); }; + + // Change the content (text, markers) of a line. Automatically + // invalidates cached information and tries to re-estimate the + // line's height. + function updateLine(line, text, markedSpans, estimateHeight) { + line.text = text; + if (line.stateAfter) line.stateAfter = null; + if (line.styles) line.styles = null; + if (line.order != null) line.order = null; + detachMarkedSpans(line); + attachMarkedSpans(line, markedSpans); + var estHeight = estimateHeight ? estimateHeight(line) : 1; + if (estHeight != line.height) updateLineHeight(line, estHeight); + } + + // Detach a line from the document tree and its markers. + function cleanUpLine(line) { + line.parent = null; + detachMarkedSpans(line); + } + + function extractLineClasses(type, output) { + if (type) for (;;) { + var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); + if (!lineClass) break; + type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); + var prop = lineClass[1] ? "bgClass" : "textClass"; + if (output[prop] == null) + output[prop] = lineClass[2]; + else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) + output[prop] += " " + lineClass[2]; + } + return type; + } + + function callBlankLine(mode, state) { + if (mode.blankLine) return mode.blankLine(state); + if (!mode.innerMode) return; + var inner = CodeMirror.innerMode(mode, state); + if (inner.mode.blankLine) return inner.mode.blankLine(inner.state); + } + + function readToken(mode, stream, state, inner) { + for (var i = 0; i < 10; i++) { + if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode; + var style = mode.token(stream, state); + if (stream.pos > stream.start) return style; + } + throw new Error("Mode " + mode.name + " failed to advance stream."); + } + + // Utility for getTokenAt and getLineTokens + function takeToken(cm, pos, precise, asArray) { + function getObj(copy) { + return {start: stream.start, end: stream.pos, + string: stream.current(), + type: style || null, + state: copy ? copyState(doc.mode, state) : state}; + } + + var doc = cm.doc, mode = doc.mode, style; + pos = clipPos(doc, pos); + var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise); + var stream = new StringStream(line.text, cm.options.tabSize), tokens; + if (asArray) tokens = []; + while ((asArray || stream.pos < pos.ch) && !stream.eol()) { + stream.start = stream.pos; + style = readToken(mode, stream, state); + if (asArray) tokens.push(getObj(true)); + } + return asArray ? tokens : getObj(); + } + + // Run the given mode's parser over a line, calling f for each token. + function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) { + var flattenSpans = mode.flattenSpans; + if (flattenSpans == null) flattenSpans = cm.options.flattenSpans; + var curStart = 0, curStyle = null; + var stream = new StringStream(text, cm.options.tabSize), style; + var inner = cm.options.addModeClass && [null]; + if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses); + while (!stream.eol()) { + if (stream.pos > cm.options.maxHighlightLength) { + flattenSpans = false; + if (forceToEnd) processLine(cm, text, state, stream.pos); + stream.pos = text.length; + style = null; + } else { + style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses); + } + if (inner) { + var mName = inner[0].name; + if (mName) style = "m-" + (style ? mName + " " + style : mName); + } + if (!flattenSpans || curStyle != style) { + while (curStart < stream.start) { + curStart = Math.min(stream.start, curStart + 50000); + f(curStart, curStyle); + } + curStyle = style; + } + stream.start = stream.pos; + } + while (curStart < stream.pos) { + // Webkit seems to refuse to render text nodes longer than 57444 characters + var pos = Math.min(stream.pos, curStart + 50000); + f(pos, curStyle); + curStart = pos; + } + } + + // Compute a style array (an array starting with a mode generation + // -- for invalidation -- followed by pairs of end positions and + // style strings), which is used to highlight the tokens on the + // line. + function highlightLine(cm, line, state, forceToEnd) { + // A styles array always starts with a number identifying the + // mode/overlays that it is based on (for easy invalidation). + var st = [cm.state.modeGen], lineClasses = {}; + // Compute the base array of styles + runMode(cm, line.text, cm.doc.mode, state, function(end, style) { + st.push(end, style); + }, lineClasses, forceToEnd); + + // Run overlays, adjust style array. + for (var o = 0; o < cm.state.overlays.length; ++o) { + var overlay = cm.state.overlays[o], i = 1, at = 0; + runMode(cm, line.text, overlay.mode, true, function(end, style) { + var start = i; + // Ensure there's a token end at the current position, and that i points at it + while (at < end) { + var i_end = st[i]; + if (i_end > end) + st.splice(i, 1, end, st[i+1], i_end); + i += 2; + at = Math.min(end, i_end); + } + if (!style) return; + if (overlay.opaque) { + st.splice(start, i - start, end, "cm-overlay " + style); + i = start + 2; + } else { + for (; start < i; start += 2) { + var cur = st[start+1]; + st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style; + } + } + }, lineClasses); + } + + return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}; + } + + function getLineStyles(cm, line, updateFrontier) { + if (!line.styles || line.styles[0] != cm.state.modeGen) { + var state = getStateBefore(cm, lineNo(line)); + var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state); + line.stateAfter = state; + line.styles = result.styles; + if (result.classes) line.styleClasses = result.classes; + else if (line.styleClasses) line.styleClasses = null; + if (updateFrontier === cm.doc.frontier) cm.doc.frontier++; + } + return line.styles; + } + + // Lightweight form of highlight -- proceed over this line and + // update state, but don't save a style array. Used for lines that + // aren't currently visible. + function processLine(cm, text, state, startAt) { + var mode = cm.doc.mode; + var stream = new StringStream(text, cm.options.tabSize); + stream.start = stream.pos = startAt || 0; + if (text == "") callBlankLine(mode, state); + while (!stream.eol()) { + readToken(mode, stream, state); + stream.start = stream.pos; + } + } + + // Convert a style as returned by a mode (either null, or a string + // containing one or more styles) to a CSS style. This is cached, + // and also looks for line-wide styles. + var styleToClassCache = {}, styleToClassCacheWithMode = {}; + function interpretTokenStyle(style, options) { + if (!style || /^\s*$/.test(style)) return null; + var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; + return cache[style] || + (cache[style] = style.replace(/\S+/g, "cm-$&")); + } + + // Render the DOM representation of the text of a line. Also builds + // up a 'line map', which points at the DOM nodes that represent + // specific stretches of text, and is used by the measuring code. + // The returned object contains the DOM node, this map, and + // information about line-wide styles that were set by the mode. + function buildLineContent(cm, lineView) { + // The padding-right forces the element to have a 'border', which + // is needed on Webkit to be able to get line-level bounding + // rectangles for it (in measureChar). + var content = elt("span", null, null, webkit ? "padding-right: .1px" : null); + var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content, + col: 0, pos: 0, cm: cm, + trailingSpace: false, + splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}; + lineView.measure = {}; + + // Iterate over the logical lines that make up this visual line. + for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { + var line = i ? lineView.rest[i - 1] : lineView.line, order; + builder.pos = 0; + builder.addToken = buildToken; + // Optionally wire in some hacks into the token-rendering + // algorithm, to deal with browser quirks. + if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) + builder.addToken = buildTokenBadBidi(builder.addToken, order); + builder.map = []; + var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); + insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); + if (line.styleClasses) { + if (line.styleClasses.bgClass) + builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); + if (line.styleClasses.textClass) + builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); + } + + // Ensure at least a single node is present, for measuring. + if (builder.map.length == 0) + builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); + + // Store the map and a cache object for the current logical line + if (i == 0) { + lineView.measure.map = builder.map; + lineView.measure.cache = {}; + } else { + (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map); + (lineView.measure.caches || (lineView.measure.caches = [])).push({}); + } + } + + // See issue #2901 + if (webkit) { + var last = builder.content.lastChild + if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) + builder.content.className = "cm-tab-wrap-hack"; + } + + signal(cm, "renderLine", cm, lineView.line, builder.pre); + if (builder.pre.className) + builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); + + return builder; + } + + function defaultSpecialCharPlaceholder(ch) { + var token = elt("span", "\u2022", "cm-invalidchar"); + token.title = "\\u" + ch.charCodeAt(0).toString(16); + token.setAttribute("aria-label", token.title); + return token; + } + + // Build up the DOM representation for a single token, and add it to + // the line map. Takes care to render special characters separately. + function buildToken(builder, text, style, startStyle, endStyle, title, css) { + if (!text) return; + var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text + var special = builder.cm.state.specialChars, mustWrap = false; + if (!special.test(text)) { + builder.col += text.length; + var content = document.createTextNode(displayText); + builder.map.push(builder.pos, builder.pos + text.length, content); + if (ie && ie_version < 9) mustWrap = true; + builder.pos += text.length; + } else { + var content = document.createDocumentFragment(), pos = 0; + while (true) { + special.lastIndex = pos; + var m = special.exec(text); + var skipped = m ? m.index - pos : text.length - pos; + if (skipped) { + var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); + if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); + else content.appendChild(txt); + builder.map.push(builder.pos, builder.pos + skipped, txt); + builder.col += skipped; + builder.pos += skipped; + } + if (!m) break; + pos += skipped + 1; + if (m[0] == "\t") { + var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; + var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); + txt.setAttribute("role", "presentation"); + txt.setAttribute("cm-text", "\t"); + builder.col += tabWidth; + } else if (m[0] == "\r" || m[0] == "\n") { + var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); + txt.setAttribute("cm-text", m[0]); + builder.col += 1; + } else { + var txt = builder.cm.options.specialCharPlaceholder(m[0]); + txt.setAttribute("cm-text", m[0]); + if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); + else content.appendChild(txt); + builder.col += 1; + } + builder.map.push(builder.pos, builder.pos + 1, txt); + builder.pos++; + } + } + builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32 + if (style || startStyle || endStyle || mustWrap || css) { + var fullStyle = style || ""; + if (startStyle) fullStyle += startStyle; + if (endStyle) fullStyle += endStyle; + var token = elt("span", [content], fullStyle, css); + if (title) token.title = title; + return builder.content.appendChild(token); + } + builder.content.appendChild(content); + } + + function splitSpaces(text, trailingBefore) { + if (text.length > 1 && !/ /.test(text)) return text + var spaceBefore = trailingBefore, result = "" + for (var i = 0; i < text.length; i++) { + var ch = text.charAt(i) + if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32)) + ch = "\u00a0" + result += ch + spaceBefore = ch == " " + } + return result + } + + // Work around nonsense dimensions being reported for stretches of + // right-to-left text. + function buildTokenBadBidi(inner, order) { + return function(builder, text, style, startStyle, endStyle, title, css) { + style = style ? style + " cm-force-border" : "cm-force-border"; + var start = builder.pos, end = start + text.length; + for (;;) { + // Find the part that overlaps with the start of this text + for (var i = 0; i < order.length; i++) { + var part = order[i]; + if (part.to > start && part.from <= start) break; + } + if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css); + inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css); + startStyle = null; + text = text.slice(part.to - start); + start = part.to; + } + }; + } + + function buildCollapsedSpan(builder, size, marker, ignoreWidget) { + var widget = !ignoreWidget && marker.widgetNode; + if (widget) builder.map.push(builder.pos, builder.pos + size, widget); + if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { + if (!widget) + widget = builder.content.appendChild(document.createElement("span")); + widget.setAttribute("cm-marker", marker.id); + } + if (widget) { + builder.cm.display.input.setUneditable(widget); + builder.content.appendChild(widget); + } + builder.pos += size; + builder.trailingSpace = false + } + + // Outputs a number of spans to make up a line, taking highlighting + // and marked text into account. + function insertLineContent(line, builder, styles) { + var spans = line.markedSpans, allText = line.text, at = 0; + if (!spans) { + for (var i = 1; i < styles.length; i+=2) + builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options)); + return; + } + + var len = allText.length, pos = 0, i = 1, text = "", style, css; + var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; + for (;;) { + if (nextChange == pos) { // Update current marker set + spanStyle = spanEndStyle = spanStartStyle = title = css = ""; + collapsed = null; nextChange = Infinity; + var foundBookmarks = [], endStyles + for (var j = 0; j < spans.length; ++j) { + var sp = spans[j], m = sp.marker; + if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { + foundBookmarks.push(m); + } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { + if (sp.to != null && sp.to != pos && nextChange > sp.to) { + nextChange = sp.to; + spanEndStyle = ""; + } + if (m.className) spanStyle += " " + m.className; + if (m.css) css = (css ? css + ";" : "") + m.css; + if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle; + if (m.endStyle && sp.to == nextChange) (endStyles || (endStyles = [])).push(m.endStyle, sp.to) + if (m.title && !title) title = m.title; + if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) + collapsed = sp; + } else if (sp.from > pos && nextChange > sp.from) { + nextChange = sp.from; + } + } + if (endStyles) for (var j = 0; j < endStyles.length; j += 2) + if (endStyles[j + 1] == nextChange) spanEndStyle += " " + endStyles[j] + + if (!collapsed || collapsed.from == pos) for (var j = 0; j < foundBookmarks.length; ++j) + buildCollapsedSpan(builder, 0, foundBookmarks[j]); + if (collapsed && (collapsed.from || 0) == pos) { + buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, + collapsed.marker, collapsed.from == null); + if (collapsed.to == null) return; + if (collapsed.to == pos) collapsed = false; + } + } + if (pos >= len) break; + + var upto = Math.min(len, nextChange); + while (true) { + if (text) { + var end = pos + text.length; + if (!collapsed) { + var tokenText = end > upto ? text.slice(0, upto - pos) : text; + builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, + spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css); + } + if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} + pos = end; + spanStartStyle = ""; + } + text = allText.slice(at, at = styles[i++]); + style = interpretTokenStyle(styles[i++], builder.cm.options); + } + } + } + + // DOCUMENT DATA STRUCTURE + + // By default, updates that start and end at the beginning of a line + // are treated specially, in order to make the association of line + // widgets and marker elements with the text behave more intuitive. + function isWholeLineUpdate(doc, change) { + return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && + (!doc.cm || doc.cm.options.wholeLineUpdateBefore); + } + + // Perform a change on the document data structure. + function updateDoc(doc, change, markedSpans, estimateHeight) { + function spansFor(n) {return markedSpans ? markedSpans[n] : null;} + function update(line, text, spans) { + updateLine(line, text, spans, estimateHeight); + signalLater(line, "change", line, change); + } + function linesFor(start, end) { + for (var i = start, result = []; i < end; ++i) + result.push(new Line(text[i], spansFor(i), estimateHeight)); + return result; + } + + var from = change.from, to = change.to, text = change.text; + var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); + var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; + + // Adjust the line structure + if (change.full) { + doc.insert(0, linesFor(0, text.length)); + doc.remove(text.length, doc.size - text.length); + } else if (isWholeLineUpdate(doc, change)) { + // This is a whole-line replace. Treated specially to make + // sure line objects move the way they are supposed to. + var added = linesFor(0, text.length - 1); + update(lastLine, lastLine.text, lastSpans); + if (nlines) doc.remove(from.line, nlines); + if (added.length) doc.insert(from.line, added); + } else if (firstLine == lastLine) { + if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); + } else { + var added = linesFor(1, text.length - 1); + added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + doc.insert(from.line + 1, added); + } + } else if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); + doc.remove(from.line + 1, nlines); + } else { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); + var added = linesFor(1, text.length - 1); + if (nlines > 1) doc.remove(from.line + 1, nlines - 1); + doc.insert(from.line + 1, added); + } + + signalLater(doc, "change", doc, change); + } + + // The document is represented as a BTree consisting of leaves, with + // chunk of lines in them, and branches, with up to ten leaves or + // other branch nodes below them. The top node is always a branch + // node, and is the document object itself (meaning it has + // additional methods and properties). + // + // All nodes have parent links. The tree is used both to go from + // line numbers to line objects, and to go from objects to numbers. + // It also indexes by height, and is used to convert between height + // and line object, and to find the total height of the document. + // + // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html + + function LeafChunk(lines) { + this.lines = lines; + this.parent = null; + for (var i = 0, height = 0; i < lines.length; ++i) { + lines[i].parent = this; + height += lines[i].height; + } + this.height = height; + } + + LeafChunk.prototype = { + chunkSize: function() { return this.lines.length; }, + // Remove the n lines at offset 'at'. + removeInner: function(at, n) { + for (var i = at, e = at + n; i < e; ++i) { + var line = this.lines[i]; + this.height -= line.height; + cleanUpLine(line); + signalLater(line, "delete"); + } + this.lines.splice(at, n); + }, + // Helper used to collapse a small branch into a single leaf. + collapse: function(lines) { + lines.push.apply(lines, this.lines); + }, + // Insert the given array of lines at offset 'at', count them as + // having the given height. + insertInner: function(at, lines, height) { + this.height += height; + this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); + for (var i = 0; i < lines.length; ++i) lines[i].parent = this; + }, + // Used to iterate over a part of the tree. + iterN: function(at, n, op) { + for (var e = at + n; at < e; ++at) + if (op(this.lines[at])) return true; + } + }; + + function BranchChunk(children) { + this.children = children; + var size = 0, height = 0; + for (var i = 0; i < children.length; ++i) { + var ch = children[i]; + size += ch.chunkSize(); height += ch.height; + ch.parent = this; + } + this.size = size; + this.height = height; + this.parent = null; + } + + BranchChunk.prototype = { + chunkSize: function() { return this.size; }, + removeInner: function(at, n) { + this.size -= n; + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var rm = Math.min(n, sz - at), oldHeight = child.height; + child.removeInner(at, rm); + this.height -= oldHeight - child.height; + if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } + if ((n -= rm) == 0) break; + at = 0; + } else at -= sz; + } + // If the result is smaller than 25 lines, ensure that it is a + // single leaf node. + if (this.size - n < 25 && + (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { + var lines = []; + this.collapse(lines); + this.children = [new LeafChunk(lines)]; + this.children[0].parent = this; + } + }, + collapse: function(lines) { + for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines); + }, + insertInner: function(at, lines, height) { + this.size += lines.length; + this.height += height; + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at <= sz) { + child.insertInner(at, lines, height); + if (child.lines && child.lines.length > 50) { + // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. + // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. + var remaining = child.lines.length % 25 + 25 + for (var pos = remaining; pos < child.lines.length;) { + var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)); + child.height -= leaf.height; + this.children.splice(++i, 0, leaf); + leaf.parent = this; + } + child.lines = child.lines.slice(0, remaining); + this.maybeSpill(); + } + break; + } + at -= sz; + } + }, + // When a node has grown, check whether it should be split. + maybeSpill: function() { + if (this.children.length <= 10) return; + var me = this; + do { + var spilled = me.children.splice(me.children.length - 5, 5); + var sibling = new BranchChunk(spilled); + if (!me.parent) { // Become the parent node + var copy = new BranchChunk(me.children); + copy.parent = me; + me.children = [copy, sibling]; + me = copy; + } else { + me.size -= sibling.size; + me.height -= sibling.height; + var myIndex = indexOf(me.parent.children, me); + me.parent.children.splice(myIndex + 1, 0, sibling); + } + sibling.parent = me.parent; + } while (me.children.length > 10); + me.parent.maybeSpill(); + }, + iterN: function(at, n, op) { + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var used = Math.min(n, sz - at); + if (child.iterN(at, used, op)) return true; + if ((n -= used) == 0) break; + at = 0; + } else at -= sz; + } + } + }; + + var nextDocId = 0; + var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) { + if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep); + if (firstLine == null) firstLine = 0; + + BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); + this.first = firstLine; + this.scrollTop = this.scrollLeft = 0; + this.cantEdit = false; + this.cleanGeneration = 1; + this.frontier = firstLine; + var start = Pos(firstLine, 0); + this.sel = simpleSelection(start); + this.history = new History(null); + this.id = ++nextDocId; + this.modeOption = mode; + this.lineSep = lineSep; + this.extend = false; + + if (typeof text == "string") text = this.splitLines(text); + updateDoc(this, {from: start, to: start, text: text}); + setSelection(this, simpleSelection(start), sel_dontScroll); + }; + + Doc.prototype = createObj(BranchChunk.prototype, { + constructor: Doc, + // Iterate over the document. Supports two forms -- with only one + // argument, it calls that for each line in the document. With + // three, it iterates over the range given by the first two (with + // the second being non-inclusive). + iter: function(from, to, op) { + if (op) this.iterN(from - this.first, to - from, op); + else this.iterN(this.first, this.first + this.size, from); + }, + + // Non-public interface for adding and removing lines. + insert: function(at, lines) { + var height = 0; + for (var i = 0; i < lines.length; ++i) height += lines[i].height; + this.insertInner(at - this.first, lines, height); + }, + remove: function(at, n) { this.removeInner(at - this.first, n); }, + + // From here, the methods are part of the public interface. Most + // are also available from CodeMirror (editor) instances. + + getValue: function(lineSep) { + var lines = getLines(this, this.first, this.first + this.size); + if (lineSep === false) return lines; + return lines.join(lineSep || this.lineSeparator()); + }, + setValue: docMethodOp(function(code) { + var top = Pos(this.first, 0), last = this.first + this.size - 1; + makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), + text: this.splitLines(code), origin: "setValue", full: true}, true); + setSelection(this, simpleSelection(top)); + }), + replaceRange: function(code, from, to, origin) { + from = clipPos(this, from); + to = to ? clipPos(this, to) : from; + replaceRange(this, code, from, to, origin); + }, + getRange: function(from, to, lineSep) { + var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); + if (lineSep === false) return lines; + return lines.join(lineSep || this.lineSeparator()); + }, + + getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;}, + + getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);}, + getLineNumber: function(line) {return lineNo(line);}, + + getLineHandleVisualStart: function(line) { + if (typeof line == "number") line = getLine(this, line); + return visualLine(line); + }, + + lineCount: function() {return this.size;}, + firstLine: function() {return this.first;}, + lastLine: function() {return this.first + this.size - 1;}, + + clipPos: function(pos) {return clipPos(this, pos);}, + + getCursor: function(start) { + var range = this.sel.primary(), pos; + if (start == null || start == "head") pos = range.head; + else if (start == "anchor") pos = range.anchor; + else if (start == "end" || start == "to" || start === false) pos = range.to(); + else pos = range.from(); + return pos; + }, + listSelections: function() { return this.sel.ranges; }, + somethingSelected: function() {return this.sel.somethingSelected();}, + + setCursor: docMethodOp(function(line, ch, options) { + setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); + }), + setSelection: docMethodOp(function(anchor, head, options) { + setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); + }), + extendSelection: docMethodOp(function(head, other, options) { + extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); + }), + extendSelections: docMethodOp(function(heads, options) { + extendSelections(this, clipPosArray(this, heads), options); + }), + extendSelectionsBy: docMethodOp(function(f, options) { + var heads = map(this.sel.ranges, f); + extendSelections(this, clipPosArray(this, heads), options); + }), + setSelections: docMethodOp(function(ranges, primary, options) { + if (!ranges.length) return; + for (var i = 0, out = []; i < ranges.length; i++) + out[i] = new Range(clipPos(this, ranges[i].anchor), + clipPos(this, ranges[i].head)); + if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex); + setSelection(this, normalizeSelection(out, primary), options); + }), + addSelection: docMethodOp(function(anchor, head, options) { + var ranges = this.sel.ranges.slice(0); + ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); + setSelection(this, normalizeSelection(ranges, ranges.length - 1), options); + }), + + getSelection: function(lineSep) { + var ranges = this.sel.ranges, lines; + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this, ranges[i].from(), ranges[i].to()); + lines = lines ? lines.concat(sel) : sel; + } + if (lineSep === false) return lines; + else return lines.join(lineSep || this.lineSeparator()); + }, + getSelections: function(lineSep) { + var parts = [], ranges = this.sel.ranges; + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this, ranges[i].from(), ranges[i].to()); + if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator()); + parts[i] = sel; + } + return parts; + }, + replaceSelection: function(code, collapse, origin) { + var dup = []; + for (var i = 0; i < this.sel.ranges.length; i++) + dup[i] = code; + this.replaceSelections(dup, collapse, origin || "+input"); + }, + replaceSelections: docMethodOp(function(code, collapse, origin) { + var changes = [], sel = this.sel; + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i]; + changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; + } + var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); + for (var i = changes.length - 1; i >= 0; i--) + makeChange(this, changes[i]); + if (newSel) setSelectionReplaceHistory(this, newSel); + else if (this.cm) ensureCursorVisible(this.cm); + }), + undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), + redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), + undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), + redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), + + setExtending: function(val) {this.extend = val;}, + getExtending: function() {return this.extend;}, + + historySize: function() { + var hist = this.history, done = 0, undone = 0; + for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done; + for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone; + return {undo: done, redo: undone}; + }, + clearHistory: function() {this.history = new History(this.history.maxGeneration);}, + + markClean: function() { + this.cleanGeneration = this.changeGeneration(true); + }, + changeGeneration: function(forceSplit) { + if (forceSplit) + this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; + return this.history.generation; + }, + isClean: function (gen) { + return this.history.generation == (gen || this.cleanGeneration); + }, + + getHistory: function() { + return {done: copyHistoryArray(this.history.done), + undone: copyHistoryArray(this.history.undone)}; + }, + setHistory: function(histData) { + var hist = this.history = new History(this.history.maxGeneration); + hist.done = copyHistoryArray(histData.done.slice(0), null, true); + hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); + }, + + addLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; + if (!line[prop]) line[prop] = cls; + else if (classTest(cls).test(line[prop])) return false; + else line[prop] += " " + cls; + return true; + }); + }), + removeLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; + var cur = line[prop]; + if (!cur) return false; + else if (cls == null) line[prop] = null; + else { + var found = cur.match(classTest(cls)); + if (!found) return false; + var end = found.index + found[0].length; + line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; + } + return true; + }); + }), + + addLineWidget: docMethodOp(function(handle, node, options) { + return addLineWidget(this, handle, node, options); + }), + removeLineWidget: function(widget) { widget.clear(); }, + + markText: function(from, to, options) { + return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range"); + }, + setBookmark: function(pos, options) { + var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), + insertLeft: options && options.insertLeft, + clearWhenEmpty: false, shared: options && options.shared, + handleMouseEvents: options && options.handleMouseEvents}; + pos = clipPos(this, pos); + return markText(this, pos, pos, realOpts, "bookmark"); + }, + findMarksAt: function(pos) { + pos = clipPos(this, pos); + var markers = [], spans = getLine(this, pos.line).markedSpans; + if (spans) for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if ((span.from == null || span.from <= pos.ch) && + (span.to == null || span.to >= pos.ch)) + markers.push(span.marker.parent || span.marker); + } + return markers; + }, + findMarks: function(from, to, filter) { + from = clipPos(this, from); to = clipPos(this, to); + var found = [], lineNo = from.line; + this.iter(from.line, to.line + 1, function(line) { + var spans = line.markedSpans; + if (spans) for (var i = 0; i < spans.length; i++) { + var span = spans[i]; + if (!(span.to != null && lineNo == from.line && from.ch >= span.to || + span.from == null && lineNo != from.line || + span.from != null && lineNo == to.line && span.from >= to.ch) && + (!filter || filter(span.marker))) + found.push(span.marker.parent || span.marker); + } + ++lineNo; + }); + return found; + }, + getAllMarks: function() { + var markers = []; + this.iter(function(line) { + var sps = line.markedSpans; + if (sps) for (var i = 0; i < sps.length; ++i) + if (sps[i].from != null) markers.push(sps[i].marker); + }); + return markers; + }, + + posFromIndex: function(off) { + var ch, lineNo = this.first, sepSize = this.lineSeparator().length; + this.iter(function(line) { + var sz = line.text.length + sepSize; + if (sz > off) { ch = off; return true; } + off -= sz; + ++lineNo; + }); + return clipPos(this, Pos(lineNo, ch)); + }, + indexFromPos: function (coords) { + coords = clipPos(this, coords); + var index = coords.ch; + if (coords.line < this.first || coords.ch < 0) return 0; + var sepSize = this.lineSeparator().length; + this.iter(this.first, coords.line, function (line) { + index += line.text.length + sepSize; + }); + return index; + }, + + copy: function(copyHistory) { + var doc = new Doc(getLines(this, this.first, this.first + this.size), + this.modeOption, this.first, this.lineSep); + doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; + doc.sel = this.sel; + doc.extend = false; + if (copyHistory) { + doc.history.undoDepth = this.history.undoDepth; + doc.setHistory(this.getHistory()); + } + return doc; + }, + + linkedDoc: function(options) { + if (!options) options = {}; + var from = this.first, to = this.first + this.size; + if (options.from != null && options.from > from) from = options.from; + if (options.to != null && options.to < to) to = options.to; + var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep); + if (options.sharedHist) copy.history = this.history; + (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); + copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; + copySharedMarkers(copy, findSharedMarkers(this)); + return copy; + }, + unlinkDoc: function(other) { + if (other instanceof CodeMirror) other = other.doc; + if (this.linked) for (var i = 0; i < this.linked.length; ++i) { + var link = this.linked[i]; + if (link.doc != other) continue; + this.linked.splice(i, 1); + other.unlinkDoc(this); + detachSharedMarkers(findSharedMarkers(this)); + break; + } + // If the histories were shared, split them again + if (other.history == this.history) { + var splitIds = [other.id]; + linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true); + other.history = new History(null); + other.history.done = copyHistoryArray(this.history.done, splitIds); + other.history.undone = copyHistoryArray(this.history.undone, splitIds); + } + }, + iterLinkedDocs: function(f) {linkedDocs(this, f);}, + + getMode: function() {return this.mode;}, + getEditor: function() {return this.cm;}, + + splitLines: function(str) { + if (this.lineSep) return str.split(this.lineSep); + return splitLinesAuto(str); + }, + lineSeparator: function() { return this.lineSep || "\n"; } + }); + + // Public alias. + Doc.prototype.eachLine = Doc.prototype.iter; + + // Set up methods on CodeMirror's prototype to redirect to the editor's document. + var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); + for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) + CodeMirror.prototype[prop] = (function(method) { + return function() {return method.apply(this.doc, arguments);}; + })(Doc.prototype[prop]); + + eventMixin(Doc); + + // Call f for all linked documents. + function linkedDocs(doc, f, sharedHistOnly) { + function propagate(doc, skip, sharedHist) { + if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) { + var rel = doc.linked[i]; + if (rel.doc == skip) continue; + var shared = sharedHist && rel.sharedHist; + if (sharedHistOnly && !shared) continue; + f(rel.doc, shared); + propagate(rel.doc, doc, shared); + } + } + propagate(doc, null, true); + } + + // Attach a document to an editor. + function attachDoc(cm, doc) { + if (doc.cm) throw new Error("This document is already in use."); + cm.doc = doc; + doc.cm = cm; + estimateLineHeights(cm); + loadMode(cm); + if (!cm.options.lineWrapping) findMaxLine(cm); + cm.options.mode = doc.modeOption; + regChange(cm); + } + + // LINE UTILITIES + + // Find the line object corresponding to the given line number. + function getLine(doc, n) { + n -= doc.first; + if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document."); + for (var chunk = doc; !chunk.lines;) { + for (var i = 0;; ++i) { + var child = chunk.children[i], sz = child.chunkSize(); + if (n < sz) { chunk = child; break; } + n -= sz; + } + } + return chunk.lines[n]; + } + + // Get the part of a document between two positions, as an array of + // strings. + function getBetween(doc, start, end) { + var out = [], n = start.line; + doc.iter(start.line, end.line + 1, function(line) { + var text = line.text; + if (n == end.line) text = text.slice(0, end.ch); + if (n == start.line) text = text.slice(start.ch); + out.push(text); + ++n; + }); + return out; + } + // Get the lines between from and to, as array of strings. + function getLines(doc, from, to) { + var out = []; + doc.iter(from, to, function(line) { out.push(line.text); }); + return out; + } + + // Update the height of a line, propagating the height change + // upwards to parent nodes. + function updateLineHeight(line, height) { + var diff = height - line.height; + if (diff) for (var n = line; n; n = n.parent) n.height += diff; + } + + // Given a line object, find its line number by walking up through + // its parent links. + function lineNo(line) { + if (line.parent == null) return null; + var cur = line.parent, no = indexOf(cur.lines, line); + for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { + for (var i = 0;; ++i) { + if (chunk.children[i] == cur) break; + no += chunk.children[i].chunkSize(); + } + } + return no + cur.first; + } + + // Find the line at the given vertical position, using the height + // information in the document tree. + function lineAtHeight(chunk, h) { + var n = chunk.first; + outer: do { + for (var i = 0; i < chunk.children.length; ++i) { + var child = chunk.children[i], ch = child.height; + if (h < ch) { chunk = child; continue outer; } + h -= ch; + n += child.chunkSize(); + } + return n; + } while (!chunk.lines); + for (var i = 0; i < chunk.lines.length; ++i) { + var line = chunk.lines[i], lh = line.height; + if (h < lh) break; + h -= lh; + } + return n + i; + } + + + // Find the height above the given line. + function heightAtLine(lineObj) { + lineObj = visualLine(lineObj); + + var h = 0, chunk = lineObj.parent; + for (var i = 0; i < chunk.lines.length; ++i) { + var line = chunk.lines[i]; + if (line == lineObj) break; + else h += line.height; + } + for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { + for (var i = 0; i < p.children.length; ++i) { + var cur = p.children[i]; + if (cur == chunk) break; + else h += cur.height; + } + } + return h; + } + + // Get the bidi ordering for the given line (and cache it). Returns + // false for lines that are fully left-to-right, and an array of + // BidiSpan objects otherwise. + function getOrder(line) { + var order = line.order; + if (order == null) order = line.order = bidiOrdering(line.text); + return order; + } + + // HISTORY + + function History(startGen) { + // Arrays of change events and selections. Doing something adds an + // event to done and clears undo. Undoing moves events from done + // to undone, redoing moves them in the other direction. + this.done = []; this.undone = []; + this.undoDepth = Infinity; + // Used to track when changes can be merged into a single undo + // event + this.lastModTime = this.lastSelTime = 0; + this.lastOp = this.lastSelOp = null; + this.lastOrigin = this.lastSelOrigin = null; + // Used by the isClean() method + this.generation = this.maxGeneration = startGen || 1; + } + + // Create a history change event from an updateDoc-style change + // object. + function historyChangeFromChange(doc, change) { + var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; + attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); + linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true); + return histChange; + } + + // Pop all selection events off the end of a history array. Stop at + // a change event. + function clearSelectionEvents(array) { + while (array.length) { + var last = lst(array); + if (last.ranges) array.pop(); + else break; + } + } + + // Find the top change event in the history. Pop off selection + // events that are in the way. + function lastChangeEvent(hist, force) { + if (force) { + clearSelectionEvents(hist.done); + return lst(hist.done); + } else if (hist.done.length && !lst(hist.done).ranges) { + return lst(hist.done); + } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { + hist.done.pop(); + return lst(hist.done); + } + } + + // Register a change in the history. Merges changes that are within + // a single operation, ore are close together with an origin that + // allows merging (starting with "+") into a single event. + function addChangeToHistory(doc, change, selAfter, opId) { + var hist = doc.history; + hist.undone.length = 0; + var time = +new Date, cur; + + if ((hist.lastOp == opId || + hist.lastOrigin == change.origin && change.origin && + ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) || + change.origin.charAt(0) == "*")) && + (cur = lastChangeEvent(hist, hist.lastOp == opId))) { + // Merge this change into the last event + var last = lst(cur.changes); + if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { + // Optimized case for simple insertion -- don't want to add + // new changesets for every character typed + last.to = changeEnd(change); + } else { + // Add new sub-event + cur.changes.push(historyChangeFromChange(doc, change)); + } + } else { + // Can not be merged, start a new event. + var before = lst(hist.done); + if (!before || !before.ranges) + pushSelectionToHistory(doc.sel, hist.done); + cur = {changes: [historyChangeFromChange(doc, change)], + generation: hist.generation}; + hist.done.push(cur); + while (hist.done.length > hist.undoDepth) { + hist.done.shift(); + if (!hist.done[0].ranges) hist.done.shift(); + } + } + hist.done.push(selAfter); + hist.generation = ++hist.maxGeneration; + hist.lastModTime = hist.lastSelTime = time; + hist.lastOp = hist.lastSelOp = opId; + hist.lastOrigin = hist.lastSelOrigin = change.origin; + + if (!last) signal(doc, "historyAdded"); + } + + function selectionEventCanBeMerged(doc, origin, prev, sel) { + var ch = origin.charAt(0); + return ch == "*" || + ch == "+" && + prev.ranges.length == sel.ranges.length && + prev.somethingSelected() == sel.somethingSelected() && + new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500); + } + + // Called whenever the selection changes, sets the new selection as + // the pending selection in the history, and pushes the old pending + // selection into the 'done' array when it was significantly + // different (in number of selected ranges, emptiness, or time). + function addSelectionToHistory(doc, sel, opId, options) { + var hist = doc.history, origin = options && options.origin; + + // A new event is started when the previous origin does not match + // the current, or the origins don't allow matching. Origins + // starting with * are always merged, those starting with + are + // merged when similar and close together in time. + if (opId == hist.lastSelOp || + (origin && hist.lastSelOrigin == origin && + (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || + selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) + hist.done[hist.done.length - 1] = sel; + else + pushSelectionToHistory(sel, hist.done); + + hist.lastSelTime = +new Date; + hist.lastSelOrigin = origin; + hist.lastSelOp = opId; + if (options && options.clearRedo !== false) + clearSelectionEvents(hist.undone); + } + + function pushSelectionToHistory(sel, dest) { + var top = lst(dest); + if (!(top && top.ranges && top.equals(sel))) + dest.push(sel); + } + + // Used to store marked span information in the history. + function attachLocalSpans(doc, change, from, to) { + var existing = change["spans_" + doc.id], n = 0; + doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) { + if (line.markedSpans) + (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; + ++n; + }); + } + + // When un/re-doing restores text containing marked spans, those + // that have been explicitly cleared should not be restored. + function removeClearedSpans(spans) { + if (!spans) return null; + for (var i = 0, out; i < spans.length; ++i) { + if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); } + else if (out) out.push(spans[i]); + } + return !out ? spans : out.length ? out : null; + } + + // Retrieve and filter the old marked spans stored in a change event. + function getOldSpans(doc, change) { + var found = change["spans_" + doc.id]; + if (!found) return null; + for (var i = 0, nw = []; i < change.text.length; ++i) + nw.push(removeClearedSpans(found[i])); + return nw; + } + + // Used both to provide a JSON-safe object in .getHistory, and, when + // detaching a document, to split the history in two + function copyHistoryArray(events, newGroup, instantiateSel) { + for (var i = 0, copy = []; i < events.length; ++i) { + var event = events[i]; + if (event.ranges) { + copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); + continue; + } + var changes = event.changes, newChanges = []; + copy.push({changes: newChanges}); + for (var j = 0; j < changes.length; ++j) { + var change = changes[j], m; + newChanges.push({from: change.from, to: change.to, text: change.text}); + if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) { + if (indexOf(newGroup, Number(m[1])) > -1) { + lst(newChanges)[prop] = change[prop]; + delete change[prop]; + } + } + } + } + return copy; + } + + // Rebasing/resetting history to deal with externally-sourced changes + + function rebaseHistSelSingle(pos, from, to, diff) { + if (to < pos.line) { + pos.line += diff; + } else if (from < pos.line) { + pos.line = from; + pos.ch = 0; + } + } + + // Tries to rebase an array of history events given a change in the + // document. If the change touches the same lines as the event, the + // event, and everything 'behind' it, is discarded. If the change is + // before the event, the event's positions are updated. Uses a + // copy-on-write scheme for the positions, to avoid having to + // reallocate them all on every rebase, but also avoid problems with + // shared position objects being unsafely updated. + function rebaseHistArray(array, from, to, diff) { + for (var i = 0; i < array.length; ++i) { + var sub = array[i], ok = true; + if (sub.ranges) { + if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } + for (var j = 0; j < sub.ranges.length; j++) { + rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); + rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); + } + continue; + } + for (var j = 0; j < sub.changes.length; ++j) { + var cur = sub.changes[j]; + if (to < cur.from.line) { + cur.from = Pos(cur.from.line + diff, cur.from.ch); + cur.to = Pos(cur.to.line + diff, cur.to.ch); + } else if (from <= cur.to.line) { + ok = false; + break; + } + } + if (!ok) { + array.splice(0, i + 1); + i = 0; + } + } + } + + function rebaseHist(hist, change) { + var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; + rebaseHistArray(hist.done, from, to, diff); + rebaseHistArray(hist.undone, from, to, diff); + } + + // EVENT UTILITIES + + // Due to the fact that we still support jurassic IE versions, some + // compatibility wrappers are needed. + + var e_preventDefault = CodeMirror.e_preventDefault = function(e) { + if (e.preventDefault) e.preventDefault(); + else e.returnValue = false; + }; + var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) { + if (e.stopPropagation) e.stopPropagation(); + else e.cancelBubble = true; + }; + function e_defaultPrevented(e) { + return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false; + } + var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);}; + + function e_target(e) {return e.target || e.srcElement;} + function e_button(e) { + var b = e.which; + if (b == null) { + if (e.button & 1) b = 1; + else if (e.button & 2) b = 3; + else if (e.button & 4) b = 2; + } + if (mac && e.ctrlKey && b == 1) b = 3; + return b; + } + + // EVENT HANDLING + + // Lightweight event framework. on/off also work on DOM nodes, + // registering native DOM handlers. + + var on = CodeMirror.on = function(emitter, type, f) { + if (emitter.addEventListener) + emitter.addEventListener(type, f, false); + else if (emitter.attachEvent) + emitter.attachEvent("on" + type, f); + else { + var map = emitter._handlers || (emitter._handlers = {}); + var arr = map[type] || (map[type] = []); + arr.push(f); + } + }; + + var noHandlers = [] + function getHandlers(emitter, type, copy) { + var arr = emitter._handlers && emitter._handlers[type] + if (copy) return arr && arr.length > 0 ? arr.slice() : noHandlers + else return arr || noHandlers + } + + var off = CodeMirror.off = function(emitter, type, f) { + if (emitter.removeEventListener) + emitter.removeEventListener(type, f, false); + else if (emitter.detachEvent) + emitter.detachEvent("on" + type, f); + else { + var handlers = getHandlers(emitter, type, false) + for (var i = 0; i < handlers.length; ++i) + if (handlers[i] == f) { handlers.splice(i, 1); break; } + } + }; + + var signal = CodeMirror.signal = function(emitter, type /*, values...*/) { + var handlers = getHandlers(emitter, type, true) + if (!handlers.length) return; + var args = Array.prototype.slice.call(arguments, 2); + for (var i = 0; i < handlers.length; ++i) handlers[i].apply(null, args); + }; + + var orphanDelayedCallbacks = null; + + // Often, we want to signal events at a point where we are in the + // middle of some work, but don't want the handler to start calling + // other methods on the editor, which might be in an inconsistent + // state or simply not expect any other events to happen. + // signalLater looks whether there are any handlers, and schedules + // them to be executed when the last operation ends, or, if no + // operation is active, when a timeout fires. + function signalLater(emitter, type /*, values...*/) { + var arr = getHandlers(emitter, type, false) + if (!arr.length) return; + var args = Array.prototype.slice.call(arguments, 2), list; + if (operationGroup) { + list = operationGroup.delayedCallbacks; + } else if (orphanDelayedCallbacks) { + list = orphanDelayedCallbacks; + } else { + list = orphanDelayedCallbacks = []; + setTimeout(fireOrphanDelayed, 0); + } + function bnd(f) {return function(){f.apply(null, args);};}; + for (var i = 0; i < arr.length; ++i) + list.push(bnd(arr[i])); + } + + function fireOrphanDelayed() { + var delayed = orphanDelayedCallbacks; + orphanDelayedCallbacks = null; + for (var i = 0; i < delayed.length; ++i) delayed[i](); + } + + // The DOM events that CodeMirror handles can be overridden by + // registering a (non-DOM) handler on the editor for the event name, + // and preventDefault-ing the event in that handler. + function signalDOMEvent(cm, e, override) { + if (typeof e == "string") + e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; + signal(cm, override || e.type, cm, e); + return e_defaultPrevented(e) || e.codemirrorIgnore; + } + + function signalCursorActivity(cm) { + var arr = cm._handlers && cm._handlers.cursorActivity; + if (!arr) return; + var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); + for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1) + set.push(arr[i]); + } + + function hasHandler(emitter, type) { + return getHandlers(emitter, type).length > 0 + } + + // Add on and off methods to a constructor's prototype, to make + // registering events on such objects more convenient. + function eventMixin(ctor) { + ctor.prototype.on = function(type, f) {on(this, type, f);}; + ctor.prototype.off = function(type, f) {off(this, type, f);}; + } + + // MISC UTILITIES + + // Number of pixels added to scroller and sizer to hide scrollbar + var scrollerGap = 30; + + // Returned or thrown by various protocols to signal 'I'm not + // handling this'. + var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; + + // Reused option objects for setSelection & friends + var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; + + function Delayed() {this.id = null;} + Delayed.prototype.set = function(ms, f) { + clearTimeout(this.id); + this.id = setTimeout(f, ms); + }; + + // Counts the column offset in a string, taking tabs into account. + // Used mostly to find indentation. + var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) { + if (end == null) { + end = string.search(/[^\s\u00a0]/); + if (end == -1) end = string.length; + } + for (var i = startIndex || 0, n = startValue || 0;;) { + var nextTab = string.indexOf("\t", i); + if (nextTab < 0 || nextTab >= end) + return n + (end - i); + n += nextTab - i; + n += tabSize - (n % tabSize); + i = nextTab + 1; + } + }; + + // The inverse of countColumn -- find the offset that corresponds to + // a particular column. + var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) { + for (var pos = 0, col = 0;;) { + var nextTab = string.indexOf("\t", pos); + if (nextTab == -1) nextTab = string.length; + var skipped = nextTab - pos; + if (nextTab == string.length || col + skipped >= goal) + return pos + Math.min(skipped, goal - col); + col += nextTab - pos; + col += tabSize - (col % tabSize); + pos = nextTab + 1; + if (col >= goal) return pos; + } + } + + var spaceStrs = [""]; + function spaceStr(n) { + while (spaceStrs.length <= n) + spaceStrs.push(lst(spaceStrs) + " "); + return spaceStrs[n]; + } + + function lst(arr) { return arr[arr.length-1]; } + + var selectInput = function(node) { node.select(); }; + if (ios) // Mobile Safari apparently has a bug where select() is broken. + selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; + else if (ie) // Suppress mysterious IE10 errors + selectInput = function(node) { try { node.select(); } catch(_e) {} }; + + function indexOf(array, elt) { + for (var i = 0; i < array.length; ++i) + if (array[i] == elt) return i; + return -1; + } + function map(array, f) { + var out = []; + for (var i = 0; i < array.length; i++) out[i] = f(array[i], i); + return out; + } + + function nothing() {} + + function createObj(base, props) { + var inst; + if (Object.create) { + inst = Object.create(base); + } else { + nothing.prototype = base; + inst = new nothing(); + } + if (props) copyObj(props, inst); + return inst; + }; + + function copyObj(obj, target, overwrite) { + if (!target) target = {}; + for (var prop in obj) + if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) + target[prop] = obj[prop]; + return target; + } + + function bind(f) { + var args = Array.prototype.slice.call(arguments, 1); + return function(){return f.apply(null, args);}; + } + + var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; + var isWordCharBasic = CodeMirror.isWordChar = function(ch) { + return /\w/.test(ch) || ch > "\x80" && + (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)); + }; + function isWordChar(ch, helper) { + if (!helper) return isWordCharBasic(ch); + if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true; + return helper.test(ch); + } + + function isEmpty(obj) { + for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false; + return true; + } + + // Extending unicode characters. A series of a non-extending char + + // any number of extending chars is treated as a single unit as far + // as editing and measuring is concerned. This is not fully correct, + // since some scripts/fonts/browsers also treat other configurations + // of code points as a group. + var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; + function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); } + + // DOM UTILITIES + + function elt(tag, content, className, style) { + var e = document.createElement(tag); + if (className) e.className = className; + if (style) e.style.cssText = style; + if (typeof content == "string") e.appendChild(document.createTextNode(content)); + else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); + return e; + } + + var range; + if (document.createRange) range = function(node, start, end, endNode) { + var r = document.createRange(); + r.setEnd(endNode || node, end); + r.setStart(node, start); + return r; + }; + else range = function(node, start, end) { + var r = document.body.createTextRange(); + try { r.moveToElementText(node.parentNode); } + catch(e) { return r; } + r.collapse(true); + r.moveEnd("character", end); + r.moveStart("character", start); + return r; + }; + + function removeChildren(e) { + for (var count = e.childNodes.length; count > 0; --count) + e.removeChild(e.firstChild); + return e; + } + + function removeChildrenAndAdd(parent, e) { + return removeChildren(parent).appendChild(e); + } + + var contains = CodeMirror.contains = function(parent, child) { + if (child.nodeType == 3) // Android browser always returns false when child is a textnode + child = child.parentNode; + if (parent.contains) + return parent.contains(child); + do { + if (child.nodeType == 11) child = child.host; + if (child == parent) return true; + } while (child = child.parentNode); + }; + + function activeElt() { + var activeElement = document.activeElement; + while (activeElement && activeElement.root && activeElement.root.activeElement) + activeElement = activeElement.root.activeElement; + return activeElement; + } + // Older versions of IE throws unspecified error when touching + // document.activeElement in some cases (during loading, in iframe) + if (ie && ie_version < 11) activeElt = function() { + try { return document.activeElement; } + catch(e) { return document.body; } + }; + + function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); } + var rmClass = CodeMirror.rmClass = function(node, cls) { + var current = node.className; + var match = classTest(cls).exec(current); + if (match) { + var after = current.slice(match.index + match[0].length); + node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); + } + }; + var addClass = CodeMirror.addClass = function(node, cls) { + var current = node.className; + if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls; + }; + function joinClasses(a, b) { + var as = a.split(" "); + for (var i = 0; i < as.length; i++) + if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i]; + return b; + } + + // WINDOW-WIDE EVENTS + + // These must be handled carefully, because naively registering a + // handler for each editor will cause the editors to never be + // garbage collected. + + function forEachCodeMirror(f) { + if (!document.body.getElementsByClassName) return; + var byClass = document.body.getElementsByClassName("CodeMirror"); + for (var i = 0; i < byClass.length; i++) { + var cm = byClass[i].CodeMirror; + if (cm) f(cm); + } + } + + var globalsRegistered = false; + function ensureGlobalHandlers() { + if (globalsRegistered) return; + registerGlobalHandlers(); + globalsRegistered = true; + } + function registerGlobalHandlers() { + // When the window resizes, we need to refresh active editors. + var resizeTimer; + on(window, "resize", function() { + if (resizeTimer == null) resizeTimer = setTimeout(function() { + resizeTimer = null; + forEachCodeMirror(onResize); + }, 100); + }); + // When the window loses focus, we want to show the editor as blurred + on(window, "blur", function() { + forEachCodeMirror(onBlur); + }); + } + + // FEATURE DETECTION + + // Detect drag-and-drop + var dragAndDrop = function() { + // There is *some* kind of drag-and-drop support in IE6-8, but I + // couldn't get it to work yet. + if (ie && ie_version < 9) return false; + var div = elt('div'); + return "draggable" in div || "dragDrop" in div; + }(); + + var zwspSupported; + function zeroWidthElement(measure) { + if (zwspSupported == null) { + var test = elt("span", "\u200b"); + removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); + if (measure.firstChild.offsetHeight != 0) + zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); + } + var node = zwspSupported ? elt("span", "\u200b") : + elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); + node.setAttribute("cm-text", ""); + return node; + } + + // Feature-detect IE's crummy client rect reporting for bidi text + var badBidiRects; + function hasBadBidiRects(measure) { + if (badBidiRects != null) return badBidiRects; + var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); + var r0 = range(txt, 0, 1).getBoundingClientRect(); + var r1 = range(txt, 1, 2).getBoundingClientRect(); + removeChildren(measure); + if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780) + return badBidiRects = (r1.right - r0.right < 3); + } + + // See if "".split is the broken IE version, if so, provide an + // alternative way to split lines. + var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { + var pos = 0, result = [], l = string.length; + while (pos <= l) { + var nl = string.indexOf("\n", pos); + if (nl == -1) nl = string.length; + var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); + var rt = line.indexOf("\r"); + if (rt != -1) { + result.push(line.slice(0, rt)); + pos += rt + 1; + } else { + result.push(line); + pos = nl + 1; + } + } + return result; + } : function(string){return string.split(/\r\n?|\n/);}; + + var hasSelection = window.getSelection ? function(te) { + try { return te.selectionStart != te.selectionEnd; } + catch(e) { return false; } + } : function(te) { + try {var range = te.ownerDocument.selection.createRange();} + catch(e) {} + if (!range || range.parentElement() != te) return false; + return range.compareEndPoints("StartToEnd", range) != 0; + }; + + var hasCopyEvent = (function() { + var e = elt("div"); + if ("oncopy" in e) return true; + e.setAttribute("oncopy", "return;"); + return typeof e.oncopy == "function"; + })(); + + var badZoomedRects = null; + function hasBadZoomedRects(measure) { + if (badZoomedRects != null) return badZoomedRects; + var node = removeChildrenAndAdd(measure, elt("span", "x")); + var normal = node.getBoundingClientRect(); + var fromRange = range(node, 0, 1).getBoundingClientRect(); + return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1; + } + + // KEY NAMES + + var keyNames = CodeMirror.keyNames = { + 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", + 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", + 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", + 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", + 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", + 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" + }; + (function() { + // Number keys + for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i); + // Alphabetic keys + for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); + // Function keys + for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; + })(); + + // BIDI HELPERS + + function iterateBidiSections(order, from, to, f) { + if (!order) return f(from, to, "ltr"); + var found = false; + for (var i = 0; i < order.length; ++i) { + var part = order[i]; + if (part.from < to && part.to > from || from == to && part.to == from) { + f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr"); + found = true; + } + } + if (!found) f(from, to, "ltr"); + } + + function bidiLeft(part) { return part.level % 2 ? part.to : part.from; } + function bidiRight(part) { return part.level % 2 ? part.from : part.to; } + + function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; } + function lineRight(line) { + var order = getOrder(line); + if (!order) return line.text.length; + return bidiRight(lst(order)); + } + + function lineStart(cm, lineN) { + var line = getLine(cm.doc, lineN); + var visual = visualLine(line); + if (visual != line) lineN = lineNo(visual); + var order = getOrder(visual); + var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual); + return Pos(lineN, ch); + } + function lineEnd(cm, lineN) { + var merged, line = getLine(cm.doc, lineN); + while (merged = collapsedSpanAtEnd(line)) { + line = merged.find(1, true).line; + lineN = null; + } + var order = getOrder(line); + var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line); + return Pos(lineN == null ? lineNo(line) : lineN, ch); + } + function lineStartSmart(cm, pos) { + var start = lineStart(cm, pos.line); + var line = getLine(cm.doc, start.line); + var order = getOrder(line); + if (!order || order[0].level == 0) { + var firstNonWS = Math.max(0, line.text.search(/\S/)); + var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; + return Pos(start.line, inWS ? 0 : firstNonWS); + } + return start; + } + + function compareBidiLevel(order, a, b) { + var linedir = order[0].level; + if (a == linedir) return true; + if (b == linedir) return false; + return a < b; + } + var bidiOther; + function getBidiPartAt(order, pos) { + bidiOther = null; + for (var i = 0, found; i < order.length; ++i) { + var cur = order[i]; + if (cur.from < pos && cur.to > pos) return i; + if ((cur.from == pos || cur.to == pos)) { + if (found == null) { + found = i; + } else if (compareBidiLevel(order, cur.level, order[found].level)) { + if (cur.from != cur.to) bidiOther = found; + return i; + } else { + if (cur.from != cur.to) bidiOther = i; + return found; + } + } + } + return found; + } + + function moveInLine(line, pos, dir, byUnit) { + if (!byUnit) return pos + dir; + do pos += dir; + while (pos > 0 && isExtendingChar(line.text.charAt(pos))); + return pos; + } + + // This is needed in order to move 'visually' through bi-directional + // text -- i.e., pressing left should make the cursor go left, even + // when in RTL text. The tricky part is the 'jumps', where RTL and + // LTR text touch each other. This often requires the cursor offset + // to move more than one unit, in order to visually move one unit. + function moveVisually(line, start, dir, byUnit) { + var bidi = getOrder(line); + if (!bidi) return moveLogically(line, start, dir, byUnit); + var pos = getBidiPartAt(bidi, start), part = bidi[pos]; + var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit); + + for (;;) { + if (target > part.from && target < part.to) return target; + if (target == part.from || target == part.to) { + if (getBidiPartAt(bidi, target) == pos) return target; + part = bidi[pos += dir]; + return (dir > 0) == part.level % 2 ? part.to : part.from; + } else { + part = bidi[pos += dir]; + if (!part) return null; + if ((dir > 0) == part.level % 2) + target = moveInLine(line, part.to, -1, byUnit); + else + target = moveInLine(line, part.from, 1, byUnit); + } + } + } + + function moveLogically(line, start, dir, byUnit) { + var target = start + dir; + if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir; + return target < 0 || target > line.text.length ? null : target; + } + + // Bidirectional ordering algorithm + // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm + // that this (partially) implements. + + // One-char codes used for character types: + // L (L): Left-to-Right + // R (R): Right-to-Left + // r (AL): Right-to-Left Arabic + // 1 (EN): European Number + // + (ES): European Number Separator + // % (ET): European Number Terminator + // n (AN): Arabic Number + // , (CS): Common Number Separator + // m (NSM): Non-Spacing Mark + // b (BN): Boundary Neutral + // s (B): Paragraph Separator + // t (S): Segment Separator + // w (WS): Whitespace + // N (ON): Other Neutrals + + // Returns null if characters are ordered as they appear + // (left-to-right), or an array of sections ({from, to, level} + // objects) in the order in which they occur visually. + var bidiOrdering = (function() { + // Character types for codepoints 0 to 0xff + var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; + // Character types for codepoints 0x600 to 0x6ff + var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm"; + function charType(code) { + if (code <= 0xf7) return lowTypes.charAt(code); + else if (0x590 <= code && code <= 0x5f4) return "R"; + else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600); + else if (0x6ee <= code && code <= 0x8ac) return "r"; + else if (0x2000 <= code && code <= 0x200b) return "w"; + else if (code == 0x200c) return "b"; + else return "L"; + } + + var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; + var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; + // Browsers seem to always treat the boundaries of block elements as being L. + var outerType = "L"; + + function BidiSpan(level, from, to) { + this.level = level; + this.from = from; this.to = to; + } + + return function(str) { + if (!bidiRE.test(str)) return false; + var len = str.length, types = []; + for (var i = 0, type; i < len; ++i) + types.push(type = charType(str.charCodeAt(i))); + + // W1. Examine each non-spacing mark (NSM) in the level run, and + // change the type of the NSM to the type of the previous + // character. If the NSM is at the start of the level run, it will + // get the type of sor. + for (var i = 0, prev = outerType; i < len; ++i) { + var type = types[i]; + if (type == "m") types[i] = prev; + else prev = type; + } + + // W2. Search backwards from each instance of a European number + // until the first strong type (R, L, AL, or sor) is found. If an + // AL is found, change the type of the European number to Arabic + // number. + // W3. Change all ALs to R. + for (var i = 0, cur = outerType; i < len; ++i) { + var type = types[i]; + if (type == "1" && cur == "r") types[i] = "n"; + else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; } + } + + // W4. A single European separator between two European numbers + // changes to a European number. A single common separator between + // two numbers of the same type changes to that type. + for (var i = 1, prev = types[0]; i < len - 1; ++i) { + var type = types[i]; + if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1"; + else if (type == "," && prev == types[i+1] && + (prev == "1" || prev == "n")) types[i] = prev; + prev = type; + } + + // W5. A sequence of European terminators adjacent to European + // numbers changes to all European numbers. + // W6. Otherwise, separators and terminators change to Other + // Neutral. + for (var i = 0; i < len; ++i) { + var type = types[i]; + if (type == ",") types[i] = "N"; + else if (type == "%") { + for (var end = i + 1; end < len && types[end] == "%"; ++end) {} + var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; + for (var j = i; j < end; ++j) types[j] = replace; + i = end - 1; + } + } + + // W7. Search backwards from each instance of a European number + // until the first strong type (R, L, or sor) is found. If an L is + // found, then change the type of the European number to L. + for (var i = 0, cur = outerType; i < len; ++i) { + var type = types[i]; + if (cur == "L" && type == "1") types[i] = "L"; + else if (isStrong.test(type)) cur = type; + } + + // N1. A sequence of neutrals takes the direction of the + // surrounding strong text if the text on both sides has the same + // direction. European and Arabic numbers act as if they were R in + // terms of their influence on neutrals. Start-of-level-run (sor) + // and end-of-level-run (eor) are used at level run boundaries. + // N2. Any remaining neutrals take the embedding direction. + for (var i = 0; i < len; ++i) { + if (isNeutral.test(types[i])) { + for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {} + var before = (i ? types[i-1] : outerType) == "L"; + var after = (end < len ? types[end] : outerType) == "L"; + var replace = before || after ? "L" : "R"; + for (var j = i; j < end; ++j) types[j] = replace; + i = end - 1; + } + } + + // Here we depart from the documented algorithm, in order to avoid + // building up an actual levels array. Since there are only three + // levels (0, 1, 2) in an implementation that doesn't take + // explicit embedding into account, we can build up the order on + // the fly, without following the level-based algorithm. + var order = [], m; + for (var i = 0; i < len;) { + if (countsAsLeft.test(types[i])) { + var start = i; + for (++i; i < len && countsAsLeft.test(types[i]); ++i) {} + order.push(new BidiSpan(0, start, i)); + } else { + var pos = i, at = order.length; + for (++i; i < len && types[i] != "L"; ++i) {} + for (var j = pos; j < i;) { + if (countsAsNum.test(types[j])) { + if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j)); + var nstart = j; + for (++j; j < i && countsAsNum.test(types[j]); ++j) {} + order.splice(at, 0, new BidiSpan(2, nstart, j)); + pos = j; + } else ++j; + } + if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i)); + } + } + if (order[0].level == 1 && (m = str.match(/^\s+/))) { + order[0].from = m[0].length; + order.unshift(new BidiSpan(0, 0, m[0].length)); + } + if (lst(order).level == 1 && (m = str.match(/\s+$/))) { + lst(order).to -= m[0].length; + order.push(new BidiSpan(0, len - m[0].length, len)); + } + if (order[0].level == 2) + order.unshift(new BidiSpan(1, order[0].to, order[0].to)); + if (order[0].level != lst(order).level) + order.push(new BidiSpan(order[0].level, len, len)); + + return order; + }; + })(); + + // THE END + + CodeMirror.version = "5.17.0"; + + return CodeMirror; + }); + + +/***/ }, +/* 163 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + (function(mod) { + if (true) // CommonJS + mod(__webpack_require__(162)); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); + })(function(CodeMirror) { + "use strict"; + + var listRE = /^(\s*)(>[> ]*|[*+-]\s|(\d+)([.)]))(\s*)/, + emptyListRE = /^(\s*)(>[> ]*|[*+-]|(\d+)[.)])(\s*)$/, + unorderedListRE = /[*+-]\s/; + + CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) { + if (cm.getOption("disableInput")) return CodeMirror.Pass; + var ranges = cm.listSelections(), replacements = []; + for (var i = 0; i < ranges.length; i++) { + var pos = ranges[i].head; + var eolState = cm.getStateAfter(pos.line); + var inList = eolState.list !== false; + var inQuote = eolState.quote !== 0; + + var line = cm.getLine(pos.line), match = listRE.exec(line); + if (!ranges[i].empty() || (!inList && !inQuote) || !match) { + cm.execCommand("newlineAndIndent"); + return; + } + if (emptyListRE.test(line)) { + cm.replaceRange("", { + line: pos.line, ch: 0 + }, { + line: pos.line, ch: pos.ch + 1 + }); + replacements[i] = "\n"; + } else { + var indent = match[1], after = match[5]; + var bullet = unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0 + ? match[2] + : (parseInt(match[3], 10) + 1) + match[4]; + + replacements[i] = "\n" + indent + bullet + after; + } + } + + cm.replaceSelections(replacements); + }; + }); + + +/***/ }, +/* 164 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + var CodeMirror = __webpack_require__(162); + + CodeMirror.commands.tabAndIndentMarkdownList = function (cm) { + var ranges = cm.listSelections(); + var pos = ranges[0].head; + var eolState = cm.getStateAfter(pos.line); + var inList = eolState.list !== false; + + if (inList) { + cm.execCommand("indentMore"); + return; + } + + if (cm.options.indentWithTabs) { + cm.execCommand("insertTab"); + } + else { + var spaces = Array(cm.options.tabSize + 1).join(" "); + cm.replaceSelection(spaces); + } + }; + + CodeMirror.commands.shiftTabAndUnindentMarkdownList = function (cm) { + var ranges = cm.listSelections(); + var pos = ranges[0].head; + var eolState = cm.getStateAfter(pos.line); + var inList = eolState.list !== false; + + if (inList) { + cm.execCommand("indentLess"); + return; + } + + if (cm.options.indentWithTabs) { + cm.execCommand("insertTab"); + } + else { + var spaces = Array(cm.options.tabSize + 1).join(" "); + cm.replaceSelection(spaces); + } + }; + + +/***/ }, +/* 165 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + (function(mod) { + if (true) // CommonJS + mod(__webpack_require__(162)); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); + })(function(CodeMirror) { + "use strict"; + + CodeMirror.defineOption("fullScreen", false, function(cm, val, old) { + if (old == CodeMirror.Init) old = false; + if (!old == !val) return; + if (val) setFullscreen(cm); + else setNormal(cm); + }); + + function setFullscreen(cm) { + var wrap = cm.getWrapperElement(); + cm.state.fullScreenRestore = {scrollTop: window.pageYOffset, scrollLeft: window.pageXOffset, + width: wrap.style.width, height: wrap.style.height}; + wrap.style.width = ""; + wrap.style.height = "auto"; + wrap.className += " CodeMirror-fullscreen"; + document.documentElement.style.overflow = "hidden"; + cm.refresh(); + } + + function setNormal(cm) { + var wrap = cm.getWrapperElement(); + wrap.className = wrap.className.replace(/\s*CodeMirror-fullscreen\b/, ""); + document.documentElement.style.overflow = ""; + var info = cm.state.fullScreenRestore; + wrap.style.width = info.width; wrap.style.height = info.height; + window.scrollTo(info.scrollLeft, info.scrollTop); + cm.refresh(); + } + }); + + +/***/ }, +/* 166 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + (function(mod) { + if (true) // CommonJS + mod(__webpack_require__(162), __webpack_require__(167), __webpack_require__(168)); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror", "../xml/xml", "../meta"], mod); + else // Plain browser env + mod(CodeMirror); + })(function(CodeMirror) { + "use strict"; + + CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) { + + var htmlMode = CodeMirror.getMode(cmCfg, "text/html"); + var htmlModeMissing = htmlMode.name == "null" + + function getMode(name) { + if (CodeMirror.findModeByName) { + var found = CodeMirror.findModeByName(name); + if (found) name = found.mime || found.mimes[0]; + } + var mode = CodeMirror.getMode(cmCfg, name); + return mode.name == "null" ? null : mode; + } + + // Should characters that affect highlighting be highlighted separate? + // Does not include characters that will be output (such as `1.` and `-` for lists) + if (modeCfg.highlightFormatting === undefined) + modeCfg.highlightFormatting = false; + + // Maximum number of nested blockquotes. Set to 0 for infinite nesting. + // Excess `>` will emit `error` token. + if (modeCfg.maxBlockquoteDepth === undefined) + modeCfg.maxBlockquoteDepth = 0; + + // Should underscores in words open/close em/strong? + if (modeCfg.underscoresBreakWords === undefined) + modeCfg.underscoresBreakWords = true; + + // Use `fencedCodeBlocks` to configure fenced code blocks. false to + // disable, string to specify a precise regexp that the fence should + // match, and true to allow three or more backticks or tildes (as + // per CommonMark). + + // Turn on task lists? ("- [ ] " and "- [x] ") + if (modeCfg.taskLists === undefined) modeCfg.taskLists = false; + + // Turn on strikethrough syntax + if (modeCfg.strikethrough === undefined) + modeCfg.strikethrough = false; + + // Allow token types to be overridden by user-provided token types. + if (modeCfg.tokenTypeOverrides === undefined) + modeCfg.tokenTypeOverrides = {}; + + var tokenTypes = { + header: "header", + code: "comment", + quote: "quote", + list1: "variable-2", + list2: "variable-3", + list3: "keyword", + hr: "hr", + image: "image", + imageAltText: "image-alt-text", + imageMarker: "image-marker", + formatting: "formatting", + linkInline: "link", + linkEmail: "link", + linkText: "link", + linkHref: "string", + em: "em", + strong: "strong", + strikethrough: "strikethrough" + }; + + for (var tokenType in tokenTypes) { + if (tokenTypes.hasOwnProperty(tokenType) && modeCfg.tokenTypeOverrides[tokenType]) { + tokenTypes[tokenType] = modeCfg.tokenTypeOverrides[tokenType]; + } + } + + var hrRE = /^([*\-_])(?:\s*\1){2,}\s*$/ + , ulRE = /^[*\-+]\s+/ + , olRE = /^[0-9]+([.)])\s+/ + , taskListRE = /^\[(x| )\](?=\s)/ // Must follow ulRE or olRE + , atxHeaderRE = modeCfg.allowAtxHeaderWithoutSpace ? /^(#+)/ : /^(#+)(?: |$)/ + , setextHeaderRE = /^ *(?:\={1,}|-{1,})\s*$/ + , textRE = /^[^#!\[\]*_\\<>` "'(~]+/ + , fencedCodeRE = new RegExp("^(" + (modeCfg.fencedCodeBlocks === true ? "~~~+|```+" : modeCfg.fencedCodeBlocks) + + ")[ \\t]*([\\w+#\-]*)"); + + function switchInline(stream, state, f) { + state.f = state.inline = f; + return f(stream, state); + } + + function switchBlock(stream, state, f) { + state.f = state.block = f; + return f(stream, state); + } + + function lineIsEmpty(line) { + return !line || !/\S/.test(line.string) + } + + // Blocks + + function blankLine(state) { + // Reset linkTitle state + state.linkTitle = false; + // Reset EM state + state.em = false; + // Reset STRONG state + state.strong = false; + // Reset strikethrough state + state.strikethrough = false; + // Reset state.quote + state.quote = 0; + // Reset state.indentedCode + state.indentedCode = false; + if (htmlModeMissing && state.f == htmlBlock) { + state.f = inlineNormal; + state.block = blockNormal; + } + // Reset state.trailingSpace + state.trailingSpace = 0; + state.trailingSpaceNewLine = false; + // Mark this line as blank + state.prevLine = state.thisLine + state.thisLine = null + return null; + } + + function blockNormal(stream, state) { + + var sol = stream.sol(); + + var prevLineIsList = state.list !== false, + prevLineIsIndentedCode = state.indentedCode; + + state.indentedCode = false; + + if (prevLineIsList) { + if (state.indentationDiff >= 0) { // Continued list + if (state.indentationDiff < 4) { // Only adjust indentation if *not* a code block + state.indentation -= state.indentationDiff; + } + state.list = null; + } else if (state.indentation > 0) { + state.list = null; + } else { // No longer a list + state.list = false; + } + } + + var match = null; + if (state.indentationDiff >= 4) { + stream.skipToEnd(); + if (prevLineIsIndentedCode || lineIsEmpty(state.prevLine)) { + state.indentation -= 4; + state.indentedCode = true; + return tokenTypes.code; + } else { + return null; + } + } else if (stream.eatSpace()) { + return null; + } else if ((match = stream.match(atxHeaderRE)) && match[1].length <= 6) { + state.header = match[1].length; + if (modeCfg.highlightFormatting) state.formatting = "header"; + state.f = state.inline; + return getType(state); + } else if (!lineIsEmpty(state.prevLine) && !state.quote && !prevLineIsList && + !prevLineIsIndentedCode && (match = stream.match(setextHeaderRE))) { + state.header = match[0].charAt(0) == '=' ? 1 : 2; + if (modeCfg.highlightFormatting) state.formatting = "header"; + state.f = state.inline; + return getType(state); + } else if (stream.eat('>')) { + state.quote = sol ? 1 : state.quote + 1; + if (modeCfg.highlightFormatting) state.formatting = "quote"; + stream.eatSpace(); + return getType(state); + } else if (stream.peek() === '[') { + return switchInline(stream, state, footnoteLink); + } else if (stream.match(hrRE, true)) { + state.hr = true; + return tokenTypes.hr; + } else if ((lineIsEmpty(state.prevLine) || prevLineIsList) && (stream.match(ulRE, false) || stream.match(olRE, false))) { + var listType = null; + if (stream.match(ulRE, true)) { + listType = 'ul'; + } else { + stream.match(olRE, true); + listType = 'ol'; + } + state.indentation = stream.column() + stream.current().length; + state.list = true; + + // While this list item's marker's indentation + // is less than the deepest list item's content's indentation, + // pop the deepest list item indentation off the stack. + while (state.listStack && stream.column() < state.listStack[state.listStack.length - 1]) { + state.listStack.pop(); + } + + // Add this list item's content's indentation to the stack + state.listStack.push(state.indentation); + + if (modeCfg.taskLists && stream.match(taskListRE, false)) { + state.taskList = true; + } + state.f = state.inline; + if (modeCfg.highlightFormatting) state.formatting = ["list", "list-" + listType]; + return getType(state); + } else if (modeCfg.fencedCodeBlocks && (match = stream.match(fencedCodeRE, true))) { + state.fencedChars = match[1] + // try switching mode + state.localMode = getMode(match[2]); + if (state.localMode) state.localState = CodeMirror.startState(state.localMode); + state.f = state.block = local; + if (modeCfg.highlightFormatting) state.formatting = "code-block"; + state.code = -1 + return getType(state); + } + + return switchInline(stream, state, state.inline); + } + + function htmlBlock(stream, state) { + var style = htmlMode.token(stream, state.htmlState); + if (!htmlModeMissing) { + var inner = CodeMirror.innerMode(htmlMode, state.htmlState) + if ((inner.mode.name == "xml" && inner.state.tagStart === null && + (!inner.state.context && inner.state.tokenize.isInText)) || + (state.md_inside && stream.current().indexOf(">") > -1)) { + state.f = inlineNormal; + state.block = blockNormal; + state.htmlState = null; + } + } + return style; + } + + function local(stream, state) { + if (state.fencedChars && stream.match(state.fencedChars, false)) { + state.localMode = state.localState = null; + state.f = state.block = leavingLocal; + return null; + } else if (state.localMode) { + return state.localMode.token(stream, state.localState); + } else { + stream.skipToEnd(); + return tokenTypes.code; + } + } + + function leavingLocal(stream, state) { + stream.match(state.fencedChars); + state.block = blockNormal; + state.f = inlineNormal; + state.fencedChars = null; + if (modeCfg.highlightFormatting) state.formatting = "code-block"; + state.code = 1 + var returnType = getType(state); + state.code = 0 + return returnType; + } + + // Inline + function getType(state) { + var styles = []; + + if (state.formatting) { + styles.push(tokenTypes.formatting); + + if (typeof state.formatting === "string") state.formatting = [state.formatting]; + + for (var i = 0; i < state.formatting.length; i++) { + styles.push(tokenTypes.formatting + "-" + state.formatting[i]); + + if (state.formatting[i] === "header") { + styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.header); + } + + // Add `formatting-quote` and `formatting-quote-#` for blockquotes + // Add `error` instead if the maximum blockquote nesting depth is passed + if (state.formatting[i] === "quote") { + if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) { + styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.quote); + } else { + styles.push("error"); + } + } + } + } + + if (state.taskOpen) { + styles.push("meta"); + return styles.length ? styles.join(' ') : null; + } + if (state.taskClosed) { + styles.push("property"); + return styles.length ? styles.join(' ') : null; + } + + if (state.linkHref) { + styles.push(tokenTypes.linkHref, "url"); + } else { // Only apply inline styles to non-url text + if (state.strong) { styles.push(tokenTypes.strong); } + if (state.em) { styles.push(tokenTypes.em); } + if (state.strikethrough) { styles.push(tokenTypes.strikethrough); } + if (state.linkText) { styles.push(tokenTypes.linkText); } + if (state.code) { styles.push(tokenTypes.code); } + if (state.image) { styles.push(tokenTypes.image); } + if (state.imageAltText) { styles.push(tokenTypes.imageAltText, "link"); } + if (state.imageMarker) { styles.push(tokenTypes.imageMarker); } + } + + if (state.header) { styles.push(tokenTypes.header, tokenTypes.header + "-" + state.header); } + + if (state.quote) { + styles.push(tokenTypes.quote); + + // Add `quote-#` where the maximum for `#` is modeCfg.maxBlockquoteDepth + if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) { + styles.push(tokenTypes.quote + "-" + state.quote); + } else { + styles.push(tokenTypes.quote + "-" + modeCfg.maxBlockquoteDepth); + } + } + + if (state.list !== false) { + var listMod = (state.listStack.length - 1) % 3; + if (!listMod) { + styles.push(tokenTypes.list1); + } else if (listMod === 1) { + styles.push(tokenTypes.list2); + } else { + styles.push(tokenTypes.list3); + } + } + + if (state.trailingSpaceNewLine) { + styles.push("trailing-space-new-line"); + } else if (state.trailingSpace) { + styles.push("trailing-space-" + (state.trailingSpace % 2 ? "a" : "b")); + } + + return styles.length ? styles.join(' ') : null; + } + + function handleText(stream, state) { + if (stream.match(textRE, true)) { + return getType(state); + } + return undefined; + } + + function inlineNormal(stream, state) { + var style = state.text(stream, state); + if (typeof style !== 'undefined') + return style; + + if (state.list) { // List marker (*, +, -, 1., etc) + state.list = null; + return getType(state); + } + + if (state.taskList) { + var taskOpen = stream.match(taskListRE, true)[1] !== "x"; + if (taskOpen) state.taskOpen = true; + else state.taskClosed = true; + if (modeCfg.highlightFormatting) state.formatting = "task"; + state.taskList = false; + return getType(state); + } + + state.taskOpen = false; + state.taskClosed = false; + + if (state.header && stream.match(/^#+$/, true)) { + if (modeCfg.highlightFormatting) state.formatting = "header"; + return getType(state); + } + + // Get sol() value now, before character is consumed + var sol = stream.sol(); + + var ch = stream.next(); + + // Matches link titles present on next line + if (state.linkTitle) { + state.linkTitle = false; + var matchCh = ch; + if (ch === '(') { + matchCh = ')'; + } + matchCh = (matchCh+'').replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1"); + var regex = '^\\s*(?:[^' + matchCh + '\\\\]+|\\\\\\\\|\\\\.)' + matchCh; + if (stream.match(new RegExp(regex), true)) { + return tokenTypes.linkHref; + } + } + + // If this block is changed, it may need to be updated in GFM mode + if (ch === '`') { + var previousFormatting = state.formatting; + if (modeCfg.highlightFormatting) state.formatting = "code"; + stream.eatWhile('`'); + var count = stream.current().length + if (state.code == 0) { + state.code = count + return getType(state) + } else if (count == state.code) { // Must be exact + var t = getType(state) + state.code = 0 + return t + } else { + state.formatting = previousFormatting + return getType(state) + } + } else if (state.code) { + return getType(state); + } + + if (ch === '\\') { + stream.next(); + if (modeCfg.highlightFormatting) { + var type = getType(state); + var formattingEscape = tokenTypes.formatting + "-escape"; + return type ? type + " " + formattingEscape : formattingEscape; + } + } + + if (ch === '!' && stream.match(/\[[^\]]*\] ?(?:\(|\[)/, false)) { + state.imageMarker = true; + state.image = true; + if (modeCfg.highlightFormatting) state.formatting = "image"; + return getType(state); + } + + if (ch === '[' && state.imageMarker) { + state.imageMarker = false; + state.imageAltText = true + if (modeCfg.highlightFormatting) state.formatting = "image"; + return getType(state); + } + + if (ch === ']' && state.imageAltText) { + if (modeCfg.highlightFormatting) state.formatting = "image"; + var type = getType(state); + state.imageAltText = false; + state.image = false; + state.inline = state.f = linkHref; + return type; + } + + if (ch === '[' && stream.match(/[^\]]*\](\(.*\)| ?\[.*?\])/, false) && !state.image) { + state.linkText = true; + if (modeCfg.highlightFormatting) state.formatting = "link"; + return getType(state); + } + + if (ch === ']' && state.linkText && stream.match(/\(.*?\)| ?\[.*?\]/, false)) { + if (modeCfg.highlightFormatting) state.formatting = "link"; + var type = getType(state); + state.linkText = false; + state.inline = state.f = linkHref; + return type; + } + + if (ch === '<' && stream.match(/^(https?|ftps?):\/\/(?:[^\\>]|\\.)+>/, false)) { + state.f = state.inline = linkInline; + if (modeCfg.highlightFormatting) state.formatting = "link"; + var type = getType(state); + if (type){ + type += " "; + } else { + type = ""; + } + return type + tokenTypes.linkInline; + } + + if (ch === '<' && stream.match(/^[^> \\]+@(?:[^\\>]|\\.)+>/, false)) { + state.f = state.inline = linkInline; + if (modeCfg.highlightFormatting) state.formatting = "link"; + var type = getType(state); + if (type){ + type += " "; + } else { + type = ""; + } + return type + tokenTypes.linkEmail; + } + + if (ch === '<' && stream.match(/^(!--|\w)/, false)) { + var end = stream.string.indexOf(">", stream.pos); + if (end != -1) { + var atts = stream.string.substring(stream.start, end); + if (/markdown\s*=\s*('|"){0,1}1('|"){0,1}/.test(atts)) state.md_inside = true; + } + stream.backUp(1); + state.htmlState = CodeMirror.startState(htmlMode); + return switchBlock(stream, state, htmlBlock); + } + + if (ch === '<' && stream.match(/^\/\w*?>/)) { + state.md_inside = false; + return "tag"; + } + + var ignoreUnderscore = false; + if (!modeCfg.underscoresBreakWords) { + if (ch === '_' && stream.peek() !== '_' && stream.match(/(\w)/, false)) { + var prevPos = stream.pos - 2; + if (prevPos >= 0) { + var prevCh = stream.string.charAt(prevPos); + if (prevCh !== '_' && prevCh.match(/(\w)/, false)) { + ignoreUnderscore = true; + } + } + } + } + if (ch === '*' || (ch === '_' && !ignoreUnderscore)) { + if (sol && stream.peek() === ' ') { + // Do nothing, surrounded by newline and space + } else if (state.strong === ch && stream.eat(ch)) { // Remove STRONG + if (modeCfg.highlightFormatting) state.formatting = "strong"; + var t = getType(state); + state.strong = false; + return t; + } else if (!state.strong && stream.eat(ch)) { // Add STRONG + state.strong = ch; + if (modeCfg.highlightFormatting) state.formatting = "strong"; + return getType(state); + } else if (state.em === ch) { // Remove EM + if (modeCfg.highlightFormatting) state.formatting = "em"; + var t = getType(state); + state.em = false; + return t; + } else if (!state.em) { // Add EM + state.em = ch; + if (modeCfg.highlightFormatting) state.formatting = "em"; + return getType(state); + } + } else if (ch === ' ') { + if (stream.eat('*') || stream.eat('_')) { // Probably surrounded by spaces + if (stream.peek() === ' ') { // Surrounded by spaces, ignore + return getType(state); + } else { // Not surrounded by spaces, back up pointer + stream.backUp(1); + } + } + } + + if (modeCfg.strikethrough) { + if (ch === '~' && stream.eatWhile(ch)) { + if (state.strikethrough) {// Remove strikethrough + if (modeCfg.highlightFormatting) state.formatting = "strikethrough"; + var t = getType(state); + state.strikethrough = false; + return t; + } else if (stream.match(/^[^\s]/, false)) {// Add strikethrough + state.strikethrough = true; + if (modeCfg.highlightFormatting) state.formatting = "strikethrough"; + return getType(state); + } + } else if (ch === ' ') { + if (stream.match(/^~~/, true)) { // Probably surrounded by space + if (stream.peek() === ' ') { // Surrounded by spaces, ignore + return getType(state); + } else { // Not surrounded by spaces, back up pointer + stream.backUp(2); + } + } + } + } + + if (ch === ' ') { + if (stream.match(/ +$/, false)) { + state.trailingSpace++; + } else if (state.trailingSpace) { + state.trailingSpaceNewLine = true; + } + } + + return getType(state); + } + + function linkInline(stream, state) { + var ch = stream.next(); + + if (ch === ">") { + state.f = state.inline = inlineNormal; + if (modeCfg.highlightFormatting) state.formatting = "link"; + var type = getType(state); + if (type){ + type += " "; + } else { + type = ""; + } + return type + tokenTypes.linkInline; + } + + stream.match(/^[^>]+/, true); + + return tokenTypes.linkInline; + } + + function linkHref(stream, state) { + // Check if space, and return NULL if so (to avoid marking the space) + if(stream.eatSpace()){ + return null; + } + var ch = stream.next(); + if (ch === '(' || ch === '[') { + state.f = state.inline = getLinkHrefInside(ch === "(" ? ")" : "]", 0); + if (modeCfg.highlightFormatting) state.formatting = "link-string"; + state.linkHref = true; + return getType(state); + } + return 'error'; + } + + var linkRE = { + ")": /^(?:[^\\\(\)]|\\.|\((?:[^\\\(\)]|\\.)*\))*?(?=\))/, + "]": /^(?:[^\\\[\]]|\\.|\[(?:[^\\\[\\]]|\\.)*\])*?(?=\])/ + } + + function getLinkHrefInside(endChar) { + return function(stream, state) { + var ch = stream.next(); + + if (ch === endChar) { + state.f = state.inline = inlineNormal; + if (modeCfg.highlightFormatting) state.formatting = "link-string"; + var returnState = getType(state); + state.linkHref = false; + return returnState; + } + + stream.match(linkRE[endChar]) + state.linkHref = true; + return getType(state); + }; + } + + function footnoteLink(stream, state) { + if (stream.match(/^([^\]\\]|\\.)*\]:/, false)) { + state.f = footnoteLinkInside; + stream.next(); // Consume [ + if (modeCfg.highlightFormatting) state.formatting = "link"; + state.linkText = true; + return getType(state); + } + return switchInline(stream, state, inlineNormal); + } + + function footnoteLinkInside(stream, state) { + if (stream.match(/^\]:/, true)) { + state.f = state.inline = footnoteUrl; + if (modeCfg.highlightFormatting) state.formatting = "link"; + var returnType = getType(state); + state.linkText = false; + return returnType; + } + + stream.match(/^([^\]\\]|\\.)+/, true); + + return tokenTypes.linkText; + } + + function footnoteUrl(stream, state) { + // Check if space, and return NULL if so (to avoid marking the space) + if(stream.eatSpace()){ + return null; + } + // Match URL + stream.match(/^[^\s]+/, true); + // Check for link title + if (stream.peek() === undefined) { // End of line, set flag to check next line + state.linkTitle = true; + } else { // More content on line, check if link title + stream.match(/^(?:\s+(?:"(?:[^"\\]|\\\\|\\.)+"|'(?:[^'\\]|\\\\|\\.)+'|\((?:[^)\\]|\\\\|\\.)+\)))?/, true); + } + state.f = state.inline = inlineNormal; + return tokenTypes.linkHref + " url"; + } + + var mode = { + startState: function() { + return { + f: blockNormal, + + prevLine: null, + thisLine: null, + + block: blockNormal, + htmlState: null, + indentation: 0, + + inline: inlineNormal, + text: handleText, + + formatting: false, + linkText: false, + linkHref: false, + linkTitle: false, + code: 0, + em: false, + strong: false, + header: 0, + hr: false, + taskList: false, + list: false, + listStack: [], + quote: 0, + trailingSpace: 0, + trailingSpaceNewLine: false, + strikethrough: false, + fencedChars: null + }; + }, + + copyState: function(s) { + return { + f: s.f, + + prevLine: s.prevLine, + thisLine: s.thisLine, + + block: s.block, + htmlState: s.htmlState && CodeMirror.copyState(htmlMode, s.htmlState), + indentation: s.indentation, + + localMode: s.localMode, + localState: s.localMode ? CodeMirror.copyState(s.localMode, s.localState) : null, + + inline: s.inline, + text: s.text, + formatting: false, + linkTitle: s.linkTitle, + code: s.code, + em: s.em, + strong: s.strong, + strikethrough: s.strikethrough, + header: s.header, + hr: s.hr, + taskList: s.taskList, + list: s.list, + listStack: s.listStack.slice(0), + quote: s.quote, + indentedCode: s.indentedCode, + trailingSpace: s.trailingSpace, + trailingSpaceNewLine: s.trailingSpaceNewLine, + md_inside: s.md_inside, + fencedChars: s.fencedChars + }; + }, + + token: function(stream, state) { + + // Reset state.formatting + state.formatting = false; + + if (stream != state.thisLine) { + var forceBlankLine = state.header || state.hr; + + // Reset state.header and state.hr + state.header = 0; + state.hr = false; + + if (stream.match(/^\s*$/, true) || forceBlankLine) { + blankLine(state); + if (!forceBlankLine) return null + state.prevLine = null + } + + state.prevLine = state.thisLine + state.thisLine = stream + + // Reset state.taskList + state.taskList = false; + + // Reset state.trailingSpace + state.trailingSpace = 0; + state.trailingSpaceNewLine = false; + + state.f = state.block; + var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, ' ').length; + state.indentationDiff = Math.min(indentation - state.indentation, 4); + state.indentation = state.indentation + state.indentationDiff; + if (indentation > 0) return null; + } + return state.f(stream, state); + }, + + innerMode: function(state) { + if (state.block == htmlBlock) return {state: state.htmlState, mode: htmlMode}; + if (state.localState) return {state: state.localState, mode: state.localMode}; + return {state: state, mode: mode}; + }, + + blankLine: blankLine, + + getType: getType, + + fold: "markdown" + }; + return mode; + }, "xml"); + + CodeMirror.defineMIME("text/x-markdown", "markdown"); + + }); + + +/***/ }, +/* 167 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + (function(mod) { + if (true) // CommonJS + mod(__webpack_require__(162)); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); + })(function(CodeMirror) { + "use strict"; + + var htmlConfig = { + autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true, + 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true, + 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true, + 'track': true, 'wbr': true, 'menuitem': true}, + implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true, + 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true, + 'th': true, 'tr': true}, + contextGrabbers: { + 'dd': {'dd': true, 'dt': true}, + 'dt': {'dd': true, 'dt': true}, + 'li': {'li': true}, + 'option': {'option': true, 'optgroup': true}, + 'optgroup': {'optgroup': true}, + 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true, + 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true, + 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true, + 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true, + 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true}, + 'rp': {'rp': true, 'rt': true}, + 'rt': {'rp': true, 'rt': true}, + 'tbody': {'tbody': true, 'tfoot': true}, + 'td': {'td': true, 'th': true}, + 'tfoot': {'tbody': true}, + 'th': {'td': true, 'th': true}, + 'thead': {'tbody': true, 'tfoot': true}, + 'tr': {'tr': true} + }, + doNotIndent: {"pre": true}, + allowUnquoted: true, + allowMissing: true, + caseFold: true + } + + var xmlConfig = { + autoSelfClosers: {}, + implicitlyClosed: {}, + contextGrabbers: {}, + doNotIndent: {}, + allowUnquoted: false, + allowMissing: false, + caseFold: false + } + + CodeMirror.defineMode("xml", function(editorConf, config_) { + var indentUnit = editorConf.indentUnit + var config = {} + var defaults = config_.htmlMode ? htmlConfig : xmlConfig + for (var prop in defaults) config[prop] = defaults[prop] + for (var prop in config_) config[prop] = config_[prop] + + // Return variables for tokenizers + var type, setStyle; + + function inText(stream, state) { + function chain(parser) { + state.tokenize = parser; + return parser(stream, state); + } + + var ch = stream.next(); + if (ch == "<") { + if (stream.eat("!")) { + if (stream.eat("[")) { + if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>")); + else return null; + } else if (stream.match("--")) { + return chain(inBlock("comment", "-->")); + } else if (stream.match("DOCTYPE", true, true)) { + stream.eatWhile(/[\w\._\-]/); + return chain(doctype(1)); + } else { + return null; + } + } else if (stream.eat("?")) { + stream.eatWhile(/[\w\._\-]/); + state.tokenize = inBlock("meta", "?>"); + return "meta"; + } else { + type = stream.eat("/") ? "closeTag" : "openTag"; + state.tokenize = inTag; + return "tag bracket"; + } + } else if (ch == "&") { + var ok; + if (stream.eat("#")) { + if (stream.eat("x")) { + ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";"); + } else { + ok = stream.eatWhile(/[\d]/) && stream.eat(";"); + } + } else { + ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";"); + } + return ok ? "atom" : "error"; + } else { + stream.eatWhile(/[^&<]/); + return null; + } + } + inText.isInText = true; + + function inTag(stream, state) { + var ch = stream.next(); + if (ch == ">" || (ch == "/" && stream.eat(">"))) { + state.tokenize = inText; + type = ch == ">" ? "endTag" : "selfcloseTag"; + return "tag bracket"; + } else if (ch == "=") { + type = "equals"; + return null; + } else if (ch == "<") { + state.tokenize = inText; + state.state = baseState; + state.tagName = state.tagStart = null; + var next = state.tokenize(stream, state); + return next ? next + " tag error" : "tag error"; + } else if (/[\'\"]/.test(ch)) { + state.tokenize = inAttribute(ch); + state.stringStartCol = stream.column(); + return state.tokenize(stream, state); + } else { + stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/); + return "word"; + } + } + + function inAttribute(quote) { + var closure = function(stream, state) { + while (!stream.eol()) { + if (stream.next() == quote) { + state.tokenize = inTag; + break; + } + } + return "string"; + }; + closure.isInAttribute = true; + return closure; + } + + function inBlock(style, terminator) { + return function(stream, state) { + while (!stream.eol()) { + if (stream.match(terminator)) { + state.tokenize = inText; + break; + } + stream.next(); + } + return style; + }; + } + function doctype(depth) { + return function(stream, state) { + var ch; + while ((ch = stream.next()) != null) { + if (ch == "<") { + state.tokenize = doctype(depth + 1); + return state.tokenize(stream, state); + } else if (ch == ">") { + if (depth == 1) { + state.tokenize = inText; + break; + } else { + state.tokenize = doctype(depth - 1); + return state.tokenize(stream, state); + } + } + } + return "meta"; + }; + } + + function Context(state, tagName, startOfLine) { + this.prev = state.context; + this.tagName = tagName; + this.indent = state.indented; + this.startOfLine = startOfLine; + if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent)) + this.noIndent = true; + } + function popContext(state) { + if (state.context) state.context = state.context.prev; + } + function maybePopContext(state, nextTagName) { + var parentTagName; + while (true) { + if (!state.context) { + return; + } + parentTagName = state.context.tagName; + if (!config.contextGrabbers.hasOwnProperty(parentTagName) || + !config.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) { + return; + } + popContext(state); + } + } + + function baseState(type, stream, state) { + if (type == "openTag") { + state.tagStart = stream.column(); + return tagNameState; + } else if (type == "closeTag") { + return closeTagNameState; + } else { + return baseState; + } + } + function tagNameState(type, stream, state) { + if (type == "word") { + state.tagName = stream.current(); + setStyle = "tag"; + return attrState; + } else { + setStyle = "error"; + return tagNameState; + } + } + function closeTagNameState(type, stream, state) { + if (type == "word") { + var tagName = stream.current(); + if (state.context && state.context.tagName != tagName && + config.implicitlyClosed.hasOwnProperty(state.context.tagName)) + popContext(state); + if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) { + setStyle = "tag"; + return closeState; + } else { + setStyle = "tag error"; + return closeStateErr; + } + } else { + setStyle = "error"; + return closeStateErr; + } + } + + function closeState(type, _stream, state) { + if (type != "endTag") { + setStyle = "error"; + return closeState; + } + popContext(state); + return baseState; + } + function closeStateErr(type, stream, state) { + setStyle = "error"; + return closeState(type, stream, state); + } + + function attrState(type, _stream, state) { + if (type == "word") { + setStyle = "attribute"; + return attrEqState; + } else if (type == "endTag" || type == "selfcloseTag") { + var tagName = state.tagName, tagStart = state.tagStart; + state.tagName = state.tagStart = null; + if (type == "selfcloseTag" || + config.autoSelfClosers.hasOwnProperty(tagName)) { + maybePopContext(state, tagName); + } else { + maybePopContext(state, tagName); + state.context = new Context(state, tagName, tagStart == state.indented); + } + return baseState; + } + setStyle = "error"; + return attrState; + } + function attrEqState(type, stream, state) { + if (type == "equals") return attrValueState; + if (!config.allowMissing) setStyle = "error"; + return attrState(type, stream, state); + } + function attrValueState(type, stream, state) { + if (type == "string") return attrContinuedState; + if (type == "word" && config.allowUnquoted) {setStyle = "string"; return attrState;} + setStyle = "error"; + return attrState(type, stream, state); + } + function attrContinuedState(type, stream, state) { + if (type == "string") return attrContinuedState; + return attrState(type, stream, state); + } + + return { + startState: function(baseIndent) { + var state = {tokenize: inText, + state: baseState, + indented: baseIndent || 0, + tagName: null, tagStart: null, + context: null} + if (baseIndent != null) state.baseIndent = baseIndent + return state + }, + + token: function(stream, state) { + if (!state.tagName && stream.sol()) + state.indented = stream.indentation(); + + if (stream.eatSpace()) return null; + type = null; + var style = state.tokenize(stream, state); + if ((style || type) && style != "comment") { + setStyle = null; + state.state = state.state(type || style, stream, state); + if (setStyle) + style = setStyle == "error" ? style + " error" : setStyle; + } + return style; + }, + + indent: function(state, textAfter, fullLine) { + var context = state.context; + // Indent multi-line strings (e.g. css). + if (state.tokenize.isInAttribute) { + if (state.tagStart == state.indented) + return state.stringStartCol + 1; + else + return state.indented + indentUnit; + } + if (context && context.noIndent) return CodeMirror.Pass; + if (state.tokenize != inTag && state.tokenize != inText) + return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0; + // Indent the starts of attribute names. + if (state.tagName) { + if (config.multilineTagIndentPastTag !== false) + return state.tagStart + state.tagName.length + 2; + else + return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1); + } + if (config.alignCDATA && /$/, + blockCommentStart: "", + + configuration: config.htmlMode ? "html" : "xml", + helperType: config.htmlMode ? "html" : "xml", + + skipAttribute: function(state) { + if (state.state == attrValueState) + state.state = attrState + } + }; + }); + + CodeMirror.defineMIME("text/xml", "xml"); + CodeMirror.defineMIME("application/xml", "xml"); + if (!CodeMirror.mimeModes.hasOwnProperty("text/html")) + CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true}); + + }); + + +/***/ }, +/* 168 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + (function(mod) { + if (true) // CommonJS + mod(__webpack_require__(162)); + else if (typeof define == "function" && define.amd) // AMD + define(["../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); + })(function(CodeMirror) { + "use strict"; + + CodeMirror.modeInfo = [ + {name: "APL", mime: "text/apl", mode: "apl", ext: ["dyalog", "apl"]}, + {name: "PGP", mimes: ["application/pgp", "application/pgp-keys", "application/pgp-signature"], mode: "asciiarmor", ext: ["pgp"]}, + {name: "ASN.1", mime: "text/x-ttcn-asn", mode: "asn.1", ext: ["asn", "asn1"]}, + {name: "Asterisk", mime: "text/x-asterisk", mode: "asterisk", file: /^extensions\.conf$/i}, + {name: "Brainfuck", mime: "text/x-brainfuck", mode: "brainfuck", ext: ["b", "bf"]}, + {name: "C", mime: "text/x-csrc", mode: "clike", ext: ["c", "h"]}, + {name: "C++", mime: "text/x-c++src", mode: "clike", ext: ["cpp", "c++", "cc", "cxx", "hpp", "h++", "hh", "hxx"], alias: ["cpp"]}, + {name: "Cobol", mime: "text/x-cobol", mode: "cobol", ext: ["cob", "cpy"]}, + {name: "C#", mime: "text/x-csharp", mode: "clike", ext: ["cs"], alias: ["csharp"]}, + {name: "Clojure", mime: "text/x-clojure", mode: "clojure", ext: ["clj", "cljc", "cljx"]}, + {name: "ClojureScript", mime: "text/x-clojurescript", mode: "clojure", ext: ["cljs"]}, + {name: "Closure Stylesheets (GSS)", mime: "text/x-gss", mode: "css", ext: ["gss"]}, + {name: "CMake", mime: "text/x-cmake", mode: "cmake", ext: ["cmake", "cmake.in"], file: /^CMakeLists.txt$/}, + {name: "CoffeeScript", mime: "text/x-coffeescript", mode: "coffeescript", ext: ["coffee"], alias: ["coffee", "coffee-script"]}, + {name: "Common Lisp", mime: "text/x-common-lisp", mode: "commonlisp", ext: ["cl", "lisp", "el"], alias: ["lisp"]}, + {name: "Cypher", mime: "application/x-cypher-query", mode: "cypher", ext: ["cyp", "cypher"]}, + {name: "Cython", mime: "text/x-cython", mode: "python", ext: ["pyx", "pxd", "pxi"]}, + {name: "Crystal", mime: "text/x-crystal", mode: "crystal", ext: ["cr"]}, + {name: "CSS", mime: "text/css", mode: "css", ext: ["css"]}, + {name: "CQL", mime: "text/x-cassandra", mode: "sql", ext: ["cql"]}, + {name: "D", mime: "text/x-d", mode: "d", ext: ["d"]}, + {name: "Dart", mimes: ["application/dart", "text/x-dart"], mode: "dart", ext: ["dart"]}, + {name: "diff", mime: "text/x-diff", mode: "diff", ext: ["diff", "patch"]}, + {name: "Django", mime: "text/x-django", mode: "django"}, + {name: "Dockerfile", mime: "text/x-dockerfile", mode: "dockerfile", file: /^Dockerfile$/}, + {name: "DTD", mime: "application/xml-dtd", mode: "dtd", ext: ["dtd"]}, + {name: "Dylan", mime: "text/x-dylan", mode: "dylan", ext: ["dylan", "dyl", "intr"]}, + {name: "EBNF", mime: "text/x-ebnf", mode: "ebnf"}, + {name: "ECL", mime: "text/x-ecl", mode: "ecl", ext: ["ecl"]}, + {name: "edn", mime: "application/edn", mode: "clojure", ext: ["edn"]}, + {name: "Eiffel", mime: "text/x-eiffel", mode: "eiffel", ext: ["e"]}, + {name: "Elm", mime: "text/x-elm", mode: "elm", ext: ["elm"]}, + {name: "Embedded Javascript", mime: "application/x-ejs", mode: "htmlembedded", ext: ["ejs"]}, + {name: "Embedded Ruby", mime: "application/x-erb", mode: "htmlembedded", ext: ["erb"]}, + {name: "Erlang", mime: "text/x-erlang", mode: "erlang", ext: ["erl"]}, + {name: "Factor", mime: "text/x-factor", mode: "factor", ext: ["factor"]}, + {name: "FCL", mime: "text/x-fcl", mode: "fcl"}, + {name: "Forth", mime: "text/x-forth", mode: "forth", ext: ["forth", "fth", "4th"]}, + {name: "Fortran", mime: "text/x-fortran", mode: "fortran", ext: ["f", "for", "f77", "f90"]}, + {name: "F#", mime: "text/x-fsharp", mode: "mllike", ext: ["fs"], alias: ["fsharp"]}, + {name: "Gas", mime: "text/x-gas", mode: "gas", ext: ["s"]}, + {name: "Gherkin", mime: "text/x-feature", mode: "gherkin", ext: ["feature"]}, + {name: "GitHub Flavored Markdown", mime: "text/x-gfm", mode: "gfm", file: /^(readme|contributing|history).md$/i}, + {name: "Go", mime: "text/x-go", mode: "go", ext: ["go"]}, + {name: "Groovy", mime: "text/x-groovy", mode: "groovy", ext: ["groovy", "gradle"]}, + {name: "HAML", mime: "text/x-haml", mode: "haml", ext: ["haml"]}, + {name: "Haskell", mime: "text/x-haskell", mode: "haskell", ext: ["hs"]}, + {name: "Haskell (Literate)", mime: "text/x-literate-haskell", mode: "haskell-literate", ext: ["lhs"]}, + {name: "Haxe", mime: "text/x-haxe", mode: "haxe", ext: ["hx"]}, + {name: "HXML", mime: "text/x-hxml", mode: "haxe", ext: ["hxml"]}, + {name: "ASP.NET", mime: "application/x-aspx", mode: "htmlembedded", ext: ["aspx"], alias: ["asp", "aspx"]}, + {name: "HTML", mime: "text/html", mode: "htmlmixed", ext: ["html", "htm"], alias: ["xhtml"]}, + {name: "HTTP", mime: "message/http", mode: "http"}, + {name: "IDL", mime: "text/x-idl", mode: "idl", ext: ["pro"]}, + {name: "Jade", mime: "text/x-jade", mode: "jade", ext: ["jade"]}, + {name: "Java", mime: "text/x-java", mode: "clike", ext: ["java"]}, + {name: "Java Server Pages", mime: "application/x-jsp", mode: "htmlembedded", ext: ["jsp"], alias: ["jsp"]}, + {name: "JavaScript", mimes: ["text/javascript", "text/ecmascript", "application/javascript", "application/x-javascript", "application/ecmascript"], + mode: "javascript", ext: ["js"], alias: ["ecmascript", "js", "node"]}, + {name: "JSON", mimes: ["application/json", "application/x-json"], mode: "javascript", ext: ["json", "map"], alias: ["json5"]}, + {name: "JSON-LD", mime: "application/ld+json", mode: "javascript", ext: ["jsonld"], alias: ["jsonld"]}, + {name: "JSX", mime: "text/jsx", mode: "jsx", ext: ["jsx"]}, + {name: "Jinja2", mime: "null", mode: "jinja2"}, + {name: "Julia", mime: "text/x-julia", mode: "julia", ext: ["jl"]}, + {name: "Kotlin", mime: "text/x-kotlin", mode: "clike", ext: ["kt"]}, + {name: "LESS", mime: "text/x-less", mode: "css", ext: ["less"]}, + {name: "LiveScript", mime: "text/x-livescript", mode: "livescript", ext: ["ls"], alias: ["ls"]}, + {name: "Lua", mime: "text/x-lua", mode: "lua", ext: ["lua"]}, + {name: "Markdown", mime: "text/x-markdown", mode: "markdown", ext: ["markdown", "md", "mkd"]}, + {name: "mIRC", mime: "text/mirc", mode: "mirc"}, + {name: "MariaDB SQL", mime: "text/x-mariadb", mode: "sql"}, + {name: "Mathematica", mime: "text/x-mathematica", mode: "mathematica", ext: ["m", "nb"]}, + {name: "Modelica", mime: "text/x-modelica", mode: "modelica", ext: ["mo"]}, + {name: "MUMPS", mime: "text/x-mumps", mode: "mumps", ext: ["mps"]}, + {name: "MS SQL", mime: "text/x-mssql", mode: "sql"}, + {name: "mbox", mime: "application/mbox", mode: "mbox", ext: ["mbox"]}, + {name: "MySQL", mime: "text/x-mysql", mode: "sql"}, + {name: "Nginx", mime: "text/x-nginx-conf", mode: "nginx", file: /nginx.*\.conf$/i}, + {name: "NSIS", mime: "text/x-nsis", mode: "nsis", ext: ["nsh", "nsi"]}, + {name: "NTriples", mime: "text/n-triples", mode: "ntriples", ext: ["nt"]}, + {name: "Objective C", mime: "text/x-objectivec", mode: "clike", ext: ["m", "mm"], alias: ["objective-c", "objc"]}, + {name: "OCaml", mime: "text/x-ocaml", mode: "mllike", ext: ["ml", "mli", "mll", "mly"]}, + {name: "Octave", mime: "text/x-octave", mode: "octave", ext: ["m"]}, + {name: "Oz", mime: "text/x-oz", mode: "oz", ext: ["oz"]}, + {name: "Pascal", mime: "text/x-pascal", mode: "pascal", ext: ["p", "pas"]}, + {name: "PEG.js", mime: "null", mode: "pegjs", ext: ["jsonld"]}, + {name: "Perl", mime: "text/x-perl", mode: "perl", ext: ["pl", "pm"]}, + {name: "PHP", mime: "application/x-httpd-php", mode: "php", ext: ["php", "php3", "php4", "php5", "phtml"]}, + {name: "Pig", mime: "text/x-pig", mode: "pig", ext: ["pig"]}, + {name: "Plain Text", mime: "text/plain", mode: "null", ext: ["txt", "text", "conf", "def", "list", "log"]}, + {name: "PLSQL", mime: "text/x-plsql", mode: "sql", ext: ["pls"]}, + {name: "PowerShell", mime: "application/x-powershell", mode: "powershell", ext: ["ps1", "psd1", "psm1"]}, + {name: "Properties files", mime: "text/x-properties", mode: "properties", ext: ["properties", "ini", "in"], alias: ["ini", "properties"]}, + {name: "ProtoBuf", mime: "text/x-protobuf", mode: "protobuf", ext: ["proto"]}, + {name: "Python", mime: "text/x-python", mode: "python", ext: ["BUILD", "bzl", "py", "pyw"], file: /^(BUCK|BUILD)$/}, + {name: "Puppet", mime: "text/x-puppet", mode: "puppet", ext: ["pp"]}, + {name: "Q", mime: "text/x-q", mode: "q", ext: ["q"]}, + {name: "R", mime: "text/x-rsrc", mode: "r", ext: ["r"], alias: ["rscript"]}, + {name: "reStructuredText", mime: "text/x-rst", mode: "rst", ext: ["rst"], alias: ["rst"]}, + {name: "RPM Changes", mime: "text/x-rpm-changes", mode: "rpm"}, + {name: "RPM Spec", mime: "text/x-rpm-spec", mode: "rpm", ext: ["spec"]}, + {name: "Ruby", mime: "text/x-ruby", mode: "ruby", ext: ["rb"], alias: ["jruby", "macruby", "rake", "rb", "rbx"]}, + {name: "Rust", mime: "text/x-rustsrc", mode: "rust", ext: ["rs"]}, + {name: "SAS", mime: "text/x-sas", mode: "sas", ext: ["sas"]}, + {name: "Sass", mime: "text/x-sass", mode: "sass", ext: ["sass"]}, + {name: "Scala", mime: "text/x-scala", mode: "clike", ext: ["scala"]}, + {name: "Scheme", mime: "text/x-scheme", mode: "scheme", ext: ["scm", "ss"]}, + {name: "SCSS", mime: "text/x-scss", mode: "css", ext: ["scss"]}, + {name: "Shell", mime: "text/x-sh", mode: "shell", ext: ["sh", "ksh", "bash"], alias: ["bash", "sh", "zsh"], file: /^PKGBUILD$/}, + {name: "Sieve", mime: "application/sieve", mode: "sieve", ext: ["siv", "sieve"]}, + {name: "Slim", mimes: ["text/x-slim", "application/x-slim"], mode: "slim", ext: ["slim"]}, + {name: "Smalltalk", mime: "text/x-stsrc", mode: "smalltalk", ext: ["st"]}, + {name: "Smarty", mime: "text/x-smarty", mode: "smarty", ext: ["tpl"]}, + {name: "Solr", mime: "text/x-solr", mode: "solr"}, + {name: "Soy", mime: "text/x-soy", mode: "soy", ext: ["soy"], alias: ["closure template"]}, + {name: "SPARQL", mime: "application/sparql-query", mode: "sparql", ext: ["rq", "sparql"], alias: ["sparul"]}, + {name: "Spreadsheet", mime: "text/x-spreadsheet", mode: "spreadsheet", alias: ["excel", "formula"]}, + {name: "SQL", mime: "text/x-sql", mode: "sql", ext: ["sql"]}, + {name: "Squirrel", mime: "text/x-squirrel", mode: "clike", ext: ["nut"]}, + {name: "Swift", mime: "text/x-swift", mode: "swift", ext: ["swift"]}, + {name: "sTeX", mime: "text/x-stex", mode: "stex"}, + {name: "LaTeX", mime: "text/x-latex", mode: "stex", ext: ["text", "ltx"], alias: ["tex"]}, + {name: "SystemVerilog", mime: "text/x-systemverilog", mode: "verilog", ext: ["v"]}, + {name: "Tcl", mime: "text/x-tcl", mode: "tcl", ext: ["tcl"]}, + {name: "Textile", mime: "text/x-textile", mode: "textile", ext: ["textile"]}, + {name: "TiddlyWiki ", mime: "text/x-tiddlywiki", mode: "tiddlywiki"}, + {name: "Tiki wiki", mime: "text/tiki", mode: "tiki"}, + {name: "TOML", mime: "text/x-toml", mode: "toml", ext: ["toml"]}, + {name: "Tornado", mime: "text/x-tornado", mode: "tornado"}, + {name: "troff", mime: "text/troff", mode: "troff", ext: ["1", "2", "3", "4", "5", "6", "7", "8", "9"]}, + {name: "TTCN", mime: "text/x-ttcn", mode: "ttcn", ext: ["ttcn", "ttcn3", "ttcnpp"]}, + {name: "TTCN_CFG", mime: "text/x-ttcn-cfg", mode: "ttcn-cfg", ext: ["cfg"]}, + {name: "Turtle", mime: "text/turtle", mode: "turtle", ext: ["ttl"]}, + {name: "TypeScript", mime: "application/typescript", mode: "javascript", ext: ["ts"], alias: ["ts"]}, + {name: "Twig", mime: "text/x-twig", mode: "twig"}, + {name: "Web IDL", mime: "text/x-webidl", mode: "webidl", ext: ["webidl"]}, + {name: "VB.NET", mime: "text/x-vb", mode: "vb", ext: ["vb"]}, + {name: "VBScript", mime: "text/vbscript", mode: "vbscript", ext: ["vbs"]}, + {name: "Velocity", mime: "text/velocity", mode: "velocity", ext: ["vtl"]}, + {name: "Verilog", mime: "text/x-verilog", mode: "verilog", ext: ["v"]}, + {name: "VHDL", mime: "text/x-vhdl", mode: "vhdl", ext: ["vhd", "vhdl"]}, + {name: "XML", mimes: ["application/xml", "text/xml"], mode: "xml", ext: ["xml", "xsl", "xsd"], alias: ["rss", "wsdl", "xsd"]}, + {name: "XQuery", mime: "application/xquery", mode: "xquery", ext: ["xy", "xquery"]}, + {name: "Yacas", mime: "text/x-yacas", mode: "yacas", ext: ["ys"]}, + {name: "YAML", mime: "text/x-yaml", mode: "yaml", ext: ["yaml", "yml"], alias: ["yml"]}, + {name: "Z80", mime: "text/x-z80", mode: "z80", ext: ["z80"]}, + {name: "mscgen", mime: "text/x-mscgen", mode: "mscgen", ext: ["mscgen", "mscin", "msc"]}, + {name: "xu", mime: "text/x-xu", mode: "mscgen", ext: ["xu"]}, + {name: "msgenny", mime: "text/x-msgenny", mode: "mscgen", ext: ["msgenny"]} + ]; + // Ensure all modes have a mime property for backwards compatibility + for (var i = 0; i < CodeMirror.modeInfo.length; i++) { + var info = CodeMirror.modeInfo[i]; + if (info.mimes) info.mime = info.mimes[0]; + } + + CodeMirror.findModeByMIME = function(mime) { + mime = mime.toLowerCase(); + for (var i = 0; i < CodeMirror.modeInfo.length; i++) { + var info = CodeMirror.modeInfo[i]; + if (info.mime == mime) return info; + if (info.mimes) for (var j = 0; j < info.mimes.length; j++) + if (info.mimes[j] == mime) return info; + } + }; + + CodeMirror.findModeByExtension = function(ext) { + for (var i = 0; i < CodeMirror.modeInfo.length; i++) { + var info = CodeMirror.modeInfo[i]; + if (info.ext) for (var j = 0; j < info.ext.length; j++) + if (info.ext[j] == ext) return info; + } + }; + + CodeMirror.findModeByFileName = function(filename) { + for (var i = 0; i < CodeMirror.modeInfo.length; i++) { + var info = CodeMirror.modeInfo[i]; + if (info.file && info.file.test(filename)) return info; + } + var dot = filename.lastIndexOf("."); + var ext = dot > -1 && filename.substring(dot + 1, filename.length); + if (ext) return CodeMirror.findModeByExtension(ext); + }; + + CodeMirror.findModeByName = function(name) { + name = name.toLowerCase(); + for (var i = 0; i < CodeMirror.modeInfo.length; i++) { + var info = CodeMirror.modeInfo[i]; + if (info.name.toLowerCase() == name) return info; + if (info.alias) for (var j = 0; j < info.alias.length; j++) + if (info.alias[j].toLowerCase() == name) return info; + } + }; + }); + + +/***/ }, +/* 169 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + // Utility function that allows modes to be combined. The mode given + // as the base argument takes care of most of the normal mode + // functionality, but a second (typically simple) mode is used, which + // can override the style of text. Both modes get to parse all of the + // text, but when both assign a non-null style to a piece of code, the + // overlay wins, unless the combine argument was true and not overridden, + // or state.overlay.combineTokens was true, in which case the styles are + // combined. + + (function(mod) { + if (true) // CommonJS + mod(__webpack_require__(162)); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); + })(function(CodeMirror) { + "use strict"; + + CodeMirror.overlayMode = function(base, overlay, combine) { + return { + startState: function() { + return { + base: CodeMirror.startState(base), + overlay: CodeMirror.startState(overlay), + basePos: 0, baseCur: null, + overlayPos: 0, overlayCur: null, + streamSeen: null + }; + }, + copyState: function(state) { + return { + base: CodeMirror.copyState(base, state.base), + overlay: CodeMirror.copyState(overlay, state.overlay), + basePos: state.basePos, baseCur: null, + overlayPos: state.overlayPos, overlayCur: null + }; + }, + + token: function(stream, state) { + if (stream != state.streamSeen || + Math.min(state.basePos, state.overlayPos) < stream.start) { + state.streamSeen = stream; + state.basePos = state.overlayPos = stream.start; + } + + if (stream.start == state.basePos) { + state.baseCur = base.token(stream, state.base); + state.basePos = stream.pos; + } + if (stream.start == state.overlayPos) { + stream.pos = stream.start; + state.overlayCur = overlay.token(stream, state.overlay); + state.overlayPos = stream.pos; + } + stream.pos = Math.min(state.basePos, state.overlayPos); + + // state.overlay.combineTokens always takes precedence over combine, + // unless set to null + if (state.overlayCur == null) return state.baseCur; + else if (state.baseCur != null && + state.overlay.combineTokens || + combine && state.overlay.combineTokens == null) + return state.baseCur + " " + state.overlayCur; + else return state.overlayCur; + }, + + indent: base.indent && function(state, textAfter) { + return base.indent(state.base, textAfter); + }, + electricChars: base.electricChars, + + innerMode: function(state) { return {state: state.base, mode: base}; }, + + blankLine: function(state) { + if (base.blankLine) base.blankLine(state.base); + if (overlay.blankLine) overlay.blankLine(state.overlay); + } + }; + }; + + }); + + +/***/ }, +/* 170 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + (function(mod) { + if (true) // CommonJS + mod(__webpack_require__(162)); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); + })(function(CodeMirror) { + CodeMirror.defineOption("placeholder", "", function(cm, val, old) { + var prev = old && old != CodeMirror.Init; + if (val && !prev) { + cm.on("blur", onBlur); + cm.on("change", onChange); + cm.on("swapDoc", onChange); + onChange(cm); + } else if (!val && prev) { + cm.off("blur", onBlur); + cm.off("change", onChange); + cm.off("swapDoc", onChange); + clearPlaceholder(cm); + var wrapper = cm.getWrapperElement(); + wrapper.className = wrapper.className.replace(" CodeMirror-empty", ""); + } + + if (val && !cm.hasFocus()) onBlur(cm); + }); + + function clearPlaceholder(cm) { + if (cm.state.placeholder) { + cm.state.placeholder.parentNode.removeChild(cm.state.placeholder); + cm.state.placeholder = null; + } + } + function setPlaceholder(cm) { + clearPlaceholder(cm); + var elt = cm.state.placeholder = document.createElement("pre"); + elt.style.cssText = "height: 0; overflow: visible"; + elt.className = "CodeMirror-placeholder"; + var placeHolder = cm.getOption("placeholder") + if (typeof placeHolder == "string") placeHolder = document.createTextNode(placeHolder) + elt.appendChild(placeHolder) + cm.display.lineSpace.insertBefore(elt, cm.display.lineSpace.firstChild); + } + + function onBlur(cm) { + if (isEmpty(cm)) setPlaceholder(cm); + } + function onChange(cm) { + var wrapper = cm.getWrapperElement(), empty = isEmpty(cm); + wrapper.className = wrapper.className.replace(" CodeMirror-empty", "") + (empty ? " CodeMirror-empty" : ""); + + if (empty) setPlaceholder(cm); + else clearPlaceholder(cm); + } + + function isEmpty(cm) { + return (cm.lineCount() === 1) && (cm.getLine(0) === ""); + } + }); + + +/***/ }, +/* 171 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + // Because sometimes you need to mark the selected *text*. + // + // Adds an option 'styleSelectedText' which, when enabled, gives + // selected text the CSS class given as option value, or + // "CodeMirror-selectedtext" when the value is not a string. + + (function(mod) { + if (true) // CommonJS + mod(__webpack_require__(162)); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); + })(function(CodeMirror) { + "use strict"; + + CodeMirror.defineOption("styleSelectedText", false, function(cm, val, old) { + var prev = old && old != CodeMirror.Init; + if (val && !prev) { + cm.state.markedSelection = []; + cm.state.markedSelectionStyle = typeof val == "string" ? val : "CodeMirror-selectedtext"; + reset(cm); + cm.on("cursorActivity", onCursorActivity); + cm.on("change", onChange); + } else if (!val && prev) { + cm.off("cursorActivity", onCursorActivity); + cm.off("change", onChange); + clear(cm); + cm.state.markedSelection = cm.state.markedSelectionStyle = null; + } + }); + + function onCursorActivity(cm) { + cm.operation(function() { update(cm); }); + } + + function onChange(cm) { + if (cm.state.markedSelection.length) + cm.operation(function() { clear(cm); }); + } + + var CHUNK_SIZE = 8; + var Pos = CodeMirror.Pos; + var cmp = CodeMirror.cmpPos; + + function coverRange(cm, from, to, addAt) { + if (cmp(from, to) == 0) return; + var array = cm.state.markedSelection; + var cls = cm.state.markedSelectionStyle; + for (var line = from.line;;) { + var start = line == from.line ? from : Pos(line, 0); + var endLine = line + CHUNK_SIZE, atEnd = endLine >= to.line; + var end = atEnd ? to : Pos(endLine, 0); + var mark = cm.markText(start, end, {className: cls}); + if (addAt == null) array.push(mark); + else array.splice(addAt++, 0, mark); + if (atEnd) break; + line = endLine; + } + } + + function clear(cm) { + var array = cm.state.markedSelection; + for (var i = 0; i < array.length; ++i) array[i].clear(); + array.length = 0; + } + + function reset(cm) { + clear(cm); + var ranges = cm.listSelections(); + for (var i = 0; i < ranges.length; i++) + coverRange(cm, ranges[i].from(), ranges[i].to()); + } + + function update(cm) { + if (!cm.somethingSelected()) return clear(cm); + if (cm.listSelections().length > 1) return reset(cm); + + var from = cm.getCursor("start"), to = cm.getCursor("end"); + + var array = cm.state.markedSelection; + if (!array.length) return coverRange(cm, from, to); + + var coverStart = array[0].find(), coverEnd = array[array.length - 1].find(); + if (!coverStart || !coverEnd || to.line - from.line < CHUNK_SIZE || + cmp(from, coverEnd.to) >= 0 || cmp(to, coverStart.from) <= 0) + return reset(cm); + + while (cmp(from, coverStart.from) > 0) { + array.shift().clear(); + coverStart = array[0].find(); + } + if (cmp(from, coverStart.from) < 0) { + if (coverStart.to.line - from.line < CHUNK_SIZE) { + array.shift().clear(); + coverRange(cm, from, coverStart.to, 0); + } else { + coverRange(cm, from, coverStart.from, 0); + } + } + + while (cmp(to, coverEnd.to) < 0) { + array.pop().clear(); + coverEnd = array[array.length - 1].find(); + } + if (cmp(to, coverEnd.to) > 0) { + if (to.line - coverEnd.from.line < CHUNK_SIZE) { + array.pop().clear(); + coverRange(cm, coverEnd.from, to); + } else { + coverRange(cm, coverEnd.to, to); + } + } + } + }); + + +/***/ }, +/* 172 */ +/***/ function(module, exports, __webpack_require__) { + + // CodeMirror, copyright (c) by Marijn Haverbeke and others + // Distributed under an MIT license: http://codemirror.net/LICENSE + + (function(mod) { + if (true) // CommonJS + mod(__webpack_require__(162), __webpack_require__(166), __webpack_require__(169)); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror", "../markdown/markdown", "../../addon/mode/overlay"], mod); + else // Plain browser env + mod(CodeMirror); + })(function(CodeMirror) { + "use strict"; + + var urlRE = /^((?:(?:aaas?|about|acap|adiumxtra|af[ps]|aim|apt|attachment|aw|beshare|bitcoin|bolo|callto|cap|chrome(?:-extension)?|cid|coap|com-eventbrite-attendee|content|crid|cvs|data|dav|dict|dlna-(?:playcontainer|playsingle)|dns|doi|dtn|dvb|ed2k|facetime|feed|file|finger|fish|ftp|geo|gg|git|gizmoproject|go|gopher|gtalk|h323|hcp|https?|iax|icap|icon|im|imap|info|ipn|ipp|irc[6s]?|iris(?:\.beep|\.lwz|\.xpc|\.xpcs)?|itms|jar|javascript|jms|keyparc|lastfm|ldaps?|magnet|mailto|maps|market|message|mid|mms|ms-help|msnim|msrps?|mtqp|mumble|mupdate|mvn|news|nfs|nih?|nntp|notes|oid|opaquelocktoken|palm|paparazzi|platform|pop|pres|proxy|psyc|query|res(?:ource)?|rmi|rsync|rtmp|rtsp|secondlife|service|session|sftp|sgn|shttp|sieve|sips?|skype|sm[bs]|snmp|soap\.beeps?|soldat|spotify|ssh|steam|svn|tag|teamspeak|tel(?:net)?|tftp|things|thismessage|tip|tn3270|tv|udp|unreal|urn|ut2004|vemmi|ventrilo|view-source|webcal|wss?|wtai|wyciwyg|xcon(?:-userid)?|xfire|xmlrpc\.beeps?|xmpp|xri|ymsgr|z39\.50[rs]?):(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]|\([^\s()<>]*\))+(?:\([^\s()<>]*\)|[^\s`*!()\[\]{};:'".,<>?«»“”‘’]))/i + + CodeMirror.defineMode("gfm", function(config, modeConfig) { + var codeDepth = 0; + function blankLine(state) { + state.code = false; + return null; + } + var gfmOverlay = { + startState: function() { + return { + code: false, + codeBlock: false, + ateSpace: false + }; + }, + copyState: function(s) { + return { + code: s.code, + codeBlock: s.codeBlock, + ateSpace: s.ateSpace + }; + }, + token: function(stream, state) { + state.combineTokens = null; + + // Hack to prevent formatting override inside code blocks (block and inline) + if (state.codeBlock) { + if (stream.match(/^```+/)) { + state.codeBlock = false; + return null; + } + stream.skipToEnd(); + return null; + } + if (stream.sol()) { + state.code = false; + } + if (stream.sol() && stream.match(/^```+/)) { + stream.skipToEnd(); + state.codeBlock = true; + return null; + } + // If this block is changed, it may need to be updated in Markdown mode + if (stream.peek() === '`') { + stream.next(); + var before = stream.pos; + stream.eatWhile('`'); + var difference = 1 + stream.pos - before; + if (!state.code) { + codeDepth = difference; + state.code = true; + } else { + if (difference === codeDepth) { // Must be exact + state.code = false; + } + } + return null; + } else if (state.code) { + stream.next(); + return null; + } + // Check if space. If so, links can be formatted later on + if (stream.eatSpace()) { + state.ateSpace = true; + return null; + } + if (stream.sol() || state.ateSpace) { + state.ateSpace = false; + if (modeConfig.gitHubSpice !== false) { + if(stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+@)?(?:[a-f0-9]{7,40}\b)/)) { + // User/Project@SHA + // User@SHA + // SHA + state.combineTokens = true; + return "link"; + } else if (stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+)?#[0-9]+\b/)) { + // User/Project#Num + // User#Num + // #Num + state.combineTokens = true; + return "link"; + } + } + } + if (stream.match(urlRE) && + stream.string.slice(stream.start - 2, stream.start) != "](" && + (stream.start == 0 || /\W/.test(stream.string.charAt(stream.start - 1)))) { + // URLs + // Taken from http://daringfireball.net/2010/07/improved_regex_for_matching_urls + // And then (issue #1160) simplified to make it not crash the Chrome Regexp engine + // And then limited url schemes to the CommonMark list, so foo:bar isn't matched as a URL + state.combineTokens = true; + return "link"; + } + stream.next(); + return null; + }, + blankLine: blankLine + }; + + var markdownConfig = { + underscoresBreakWords: false, + taskLists: true, + fencedCodeBlocks: '```', + strikethrough: true + }; + for (var attr in modeConfig) { + markdownConfig[attr] = modeConfig[attr]; + } + markdownConfig.name = "markdown"; + return CodeMirror.overlayMode(CodeMirror.getMode(config, markdownConfig), gfmOverlay); + + }, "markdown"); + + CodeMirror.defineMIME("text/x-gfm", "gfm"); + }); + + +/***/ }, +/* 173 */ +/***/ function(module, exports, __webpack_require__) { + + // Use strict mode (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode) + "use strict"; + + + // Requires + var Typo = __webpack_require__(174); + + + // Create function + function CodeMirrorSpellChecker(options) { + // Initialize + options = options || {}; + + + // Verify + if(typeof options.codeMirrorInstance !== "function" || typeof options.codeMirrorInstance.defineMode !== "function") { + console.log("CodeMirror Spell Checker: You must provide an instance of CodeMirror via the option `codeMirrorInstance`"); + return; + } + + + // Because some browsers don't support this functionality yet + if(!String.prototype.includes) { + String.prototype.includes = function() { + "use strict"; + return String.prototype.indexOf.apply(this, arguments) !== -1; + }; + } + + + // Define the new mode + options.codeMirrorInstance.defineMode("spell-checker", function(config) { + // Load AFF/DIC data + if(!CodeMirrorSpellChecker.aff_loading) { + CodeMirrorSpellChecker.aff_loading = true; + var xhr_aff = new XMLHttpRequest(); + xhr_aff.open("GET", "https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.aff", true); + xhr_aff.onload = function() { + if(xhr_aff.readyState === 4 && xhr_aff.status === 200) { + CodeMirrorSpellChecker.aff_data = xhr_aff.responseText; + CodeMirrorSpellChecker.num_loaded++; + + if(CodeMirrorSpellChecker.num_loaded == 2) { + CodeMirrorSpellChecker.typo = new Typo("en_US", CodeMirrorSpellChecker.aff_data, CodeMirrorSpellChecker.dic_data, { + platform: "any" + }); + } + } + }; + xhr_aff.send(null); + } + + if(!CodeMirrorSpellChecker.dic_loading) { + CodeMirrorSpellChecker.dic_loading = true; + var xhr_dic = new XMLHttpRequest(); + xhr_dic.open("GET", "https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.dic", true); + xhr_dic.onload = function() { + if(xhr_dic.readyState === 4 && xhr_dic.status === 200) { + CodeMirrorSpellChecker.dic_data = xhr_dic.responseText; + CodeMirrorSpellChecker.num_loaded++; + + if(CodeMirrorSpellChecker.num_loaded == 2) { + CodeMirrorSpellChecker.typo = new Typo("en_US", CodeMirrorSpellChecker.aff_data, CodeMirrorSpellChecker.dic_data, { + platform: "any" + }); + } + } + }; + xhr_dic.send(null); + } + + + // Define what separates a word + var rx_word = "!\"#$%&()*+,-./:;<=>?@[\\]^_`{|}~ "; + + + // Create the overlay and such + var overlay = { + token: function(stream) { + var ch = stream.peek(); + var word = ""; + + if(rx_word.includes(ch)) { + stream.next(); + return null; + } + + while((ch = stream.peek()) != null && !rx_word.includes(ch)) { + word += ch; + stream.next(); + } + + if(CodeMirrorSpellChecker.typo && !CodeMirrorSpellChecker.typo.check(word)) + return "spell-error"; // CSS class: cm-spell-error + + return null; + } + }; + + var mode = options.codeMirrorInstance.getMode( + config, config.backdrop || "text/plain" + ); + + return options.codeMirrorInstance.overlayMode(mode, overlay, true); + }); + } + + + // Initialize data globally to reduce memory consumption + CodeMirrorSpellChecker.num_loaded = 0; + CodeMirrorSpellChecker.aff_loading = false; + CodeMirrorSpellChecker.dic_loading = false; + CodeMirrorSpellChecker.aff_data = ""; + CodeMirrorSpellChecker.dic_data = ""; + CodeMirrorSpellChecker.typo; + + + // Export + module.exports = CodeMirrorSpellChecker; + +/***/ }, +/* 174 */ +/***/ function(module, exports, __webpack_require__) { + + /* WEBPACK VAR INJECTION */(function(__dirname, Buffer) {'use strict'; + + /** + * Typo is a JavaScript implementation of a spellchecker using hunspell-style + * dictionaries. + */ + + /** + * Typo constructor. + * + * @param {String} [dictionary] The locale code of the dictionary being used. e.g., + * "en_US". This is only used to auto-load dictionaries. + * @param {String} [affData] The data from the dictionary's .aff file. If omitted + * and Typo.js is being used in a Chrome extension, the .aff + * file will be loaded automatically from + * lib/typo/dictionaries/[dictionary]/[dictionary].aff + * In other environments, it will be loaded from + * [settings.dictionaryPath]/dictionaries/[dictionary]/[dictionary].aff + * @param {String} [wordsData] The data from the dictionary's .dic file. If omitted + * and Typo.js is being used in a Chrome extension, the .dic + * file will be loaded automatically from + * lib/typo/dictionaries/[dictionary]/[dictionary].dic + * In other environments, it will be loaded from + * [settings.dictionaryPath]/dictionaries/[dictionary]/[dictionary].dic + * @param {Object} [settings] Constructor settings. Available properties are: + * {String} [dictionaryPath]: path to load dictionary from in non-chrome + * environment. + * {Object} [flags]: flag information. + * + * + * @returns {Typo} A Typo object. + */ + + var Typo = function (dictionary, affData, wordsData, settings) { + settings = settings || {}; + + this.dictionary = null; + + this.rules = {}; + this.dictionaryTable = {}; + + this.compoundRules = []; + this.compoundRuleCodes = {}; + + this.replacementTable = []; + + this.flags = settings.flags || {}; + + if (dictionary) { + this.dictionary = dictionary; + + if (typeof window !== 'undefined' && 'chrome' in window && 'extension' in window.chrome && 'getURL' in window.chrome.extension) { + if (!affData) affData = this._readFile(chrome.extension.getURL("lib/typo/dictionaries/" + dictionary + "/" + dictionary + ".aff")); + if (!wordsData) wordsData = this._readFile(chrome.extension.getURL("lib/typo/dictionaries/" + dictionary + "/" + dictionary + ".dic")); + } else { + if (settings.dictionaryPath) { + var path = settings.dictionaryPath; + } + else if (true) { + var path = __dirname + '/dictionaries'; + } + else { + var path = './dictionaries'; + } + + if (!affData) affData = this._readFile(path + "/" + dictionary + "/" + dictionary + ".aff"); + if (!wordsData) wordsData = this._readFile(path + "/" + dictionary + "/" + dictionary + ".dic"); + } + + this.rules = this._parseAFF(affData); + + // Save the rule codes that are used in compound rules. + this.compoundRuleCodes = {}; + + for (var i = 0, _len = this.compoundRules.length; i < _len; i++) { + var rule = this.compoundRules[i]; + + for (var j = 0, _jlen = rule.length; j < _jlen; j++) { + this.compoundRuleCodes[rule[j]] = []; + } + } + + // If we add this ONLYINCOMPOUND flag to this.compoundRuleCodes, then _parseDIC + // will do the work of saving the list of words that are compound-only. + if ("ONLYINCOMPOUND" in this.flags) { + this.compoundRuleCodes[this.flags.ONLYINCOMPOUND] = []; + } + + this.dictionaryTable = this._parseDIC(wordsData); + + // Get rid of any codes from the compound rule codes that are never used + // (or that were special regex characters). Not especially necessary... + for (var i in this.compoundRuleCodes) { + if (this.compoundRuleCodes[i].length == 0) { + delete this.compoundRuleCodes[i]; + } + } + + // Build the full regular expressions for each compound rule. + // I have a feeling (but no confirmation yet) that this method of + // testing for compound words is probably slow. + for (var i = 0, _len = this.compoundRules.length; i < _len; i++) { + var ruleText = this.compoundRules[i]; + + var expressionText = ""; + + for (var j = 0, _jlen = ruleText.length; j < _jlen; j++) { + var character = ruleText[j]; + + if (character in this.compoundRuleCodes) { + expressionText += "(" + this.compoundRuleCodes[character].join("|") + ")"; + } + else { + expressionText += character; + } + } + + this.compoundRules[i] = new RegExp(expressionText, "i"); + } + } + + return this; + }; + + Typo.prototype = { + /** + * Loads a Typo instance from a hash of all of the Typo properties. + * + * @param object obj A hash of Typo properties, probably gotten from a JSON.parse(JSON.stringify(typo_instance)). + */ + + load : function (obj) { + for (var i in obj) { + this[i] = obj[i]; + } + + return this; + }, + + /** + * Read the contents of a file. + * + * @param {String} path The path (relative) to the file. + * @param {String} [charset="ISO8859-1"] The expected charset of the file + * @returns string The file data. + */ + + _readFile : function (path, charset) { + if (!charset) charset = "utf8"; + + if (typeof XMLHttpRequest !== 'undefined') { + var req = new XMLHttpRequest(); + req.open("GET", path, false); + + if (req.overrideMimeType) + req.overrideMimeType("text/plain; charset=" + charset); + + req.send(null); + + return req.responseText; + } + else if (true) { + // Node.js + var fs = __webpack_require__(179); + + try { + if (fs.existsSync(path)) { + var stats = fs.statSync(path); + + var fileDescriptor = fs.openSync(path, 'r'); + + var buffer = new Buffer(stats.size); + + fs.readSync(fileDescriptor, buffer, 0, buffer.length, null); + + return buffer.toString(charset, 0, buffer.length); + } + else { + console.log("Path " + path + " does not exist."); + } + } catch (e) { + console.log(e); + return ''; + } + } + }, + + /** + * Parse the rules out from a .aff file. + * + * @param {String} data The contents of the affix file. + * @returns object The rules from the file. + */ + + _parseAFF : function (data) { + var rules = {}; + + // Remove comment lines + data = this._removeAffixComments(data); + + var lines = data.split("\n"); + + for (var i = 0, _len = lines.length; i < _len; i++) { + var line = lines[i]; + + var definitionParts = line.split(/\s+/); + + var ruleType = definitionParts[0]; + + if (ruleType == "PFX" || ruleType == "SFX") { + var ruleCode = definitionParts[1]; + var combineable = definitionParts[2]; + var numEntries = parseInt(definitionParts[3], 10); + + var entries = []; + + for (var j = i + 1, _jlen = i + 1 + numEntries; j < _jlen; j++) { + var line = lines[j]; + + var lineParts = line.split(/\s+/); + var charactersToRemove = lineParts[2]; + + var additionParts = lineParts[3].split("/"); + + var charactersToAdd = additionParts[0]; + if (charactersToAdd === "0") charactersToAdd = ""; + + var continuationClasses = this.parseRuleCodes(additionParts[1]); + + var regexToMatch = lineParts[4]; + + var entry = {}; + entry.add = charactersToAdd; + + if (continuationClasses.length > 0) entry.continuationClasses = continuationClasses; + + if (regexToMatch !== ".") { + if (ruleType === "SFX") { + entry.match = new RegExp(regexToMatch + "$"); + } + else { + entry.match = new RegExp("^" + regexToMatch); + } + } + + if (charactersToRemove != "0") { + if (ruleType === "SFX") { + entry.remove = new RegExp(charactersToRemove + "$"); + } + else { + entry.remove = charactersToRemove; + } + } + + entries.push(entry); + } + + rules[ruleCode] = { "type" : ruleType, "combineable" : (combineable == "Y"), "entries" : entries }; + + i += numEntries; + } + else if (ruleType === "COMPOUNDRULE") { + var numEntries = parseInt(definitionParts[1], 10); + + for (var j = i + 1, _jlen = i + 1 + numEntries; j < _jlen; j++) { + var line = lines[j]; + + var lineParts = line.split(/\s+/); + this.compoundRules.push(lineParts[1]); + } + + i += numEntries; + } + else if (ruleType === "REP") { + var lineParts = line.split(/\s+/); + + if (lineParts.length === 3) { + this.replacementTable.push([ lineParts[1], lineParts[2] ]); + } + } + else { + // ONLYINCOMPOUND + // COMPOUNDMIN + // FLAG + // KEEPCASE + // NEEDAFFIX + + this.flags[ruleType] = definitionParts[1]; + } + } + + return rules; + }, + + /** + * Removes comment lines and then cleans up blank lines and trailing whitespace. + * + * @param {String} data The data from an affix file. + * @return {String} The cleaned-up data. + */ + + _removeAffixComments : function (data) { + // Remove comments + data = data.replace(/#.*$/mg, ""); + + // Trim each line + data = data.replace(/^\s\s*/m, '').replace(/\s\s*$/m, ''); + + // Remove blank lines. + data = data.replace(/\n{2,}/g, "\n"); + + // Trim the entire string + data = data.replace(/^\s\s*/, '').replace(/\s\s*$/, ''); + + return data; + }, + + /** + * Parses the words out from the .dic file. + * + * @param {String} data The data from the dictionary file. + * @returns object The lookup table containing all of the words and + * word forms from the dictionary. + */ + + _parseDIC : function (data) { + data = this._removeDicComments(data); + + var lines = data.split("\n"); + var dictionaryTable = {}; + + function addWord(word, rules) { + // Some dictionaries will list the same word multiple times with different rule sets. + if (!(word in dictionaryTable) || typeof dictionaryTable[word] != 'object') { + dictionaryTable[word] = []; + } + + dictionaryTable[word].push(rules); + } + + // The first line is the number of words in the dictionary. + for (var i = 1, _len = lines.length; i < _len; i++) { + var line = lines[i]; + + var parts = line.split("/", 2); + + var word = parts[0]; + + // Now for each affix rule, generate that form of the word. + if (parts.length > 1) { + var ruleCodesArray = this.parseRuleCodes(parts[1]); + + // Save the ruleCodes for compound word situations. + if (!("NEEDAFFIX" in this.flags) || ruleCodesArray.indexOf(this.flags.NEEDAFFIX) == -1) { + addWord(word, ruleCodesArray); + } + + for (var j = 0, _jlen = ruleCodesArray.length; j < _jlen; j++) { + var code = ruleCodesArray[j]; + + var rule = this.rules[code]; + + if (rule) { + var newWords = this._applyRule(word, rule); + + for (var ii = 0, _iilen = newWords.length; ii < _iilen; ii++) { + var newWord = newWords[ii]; + + addWord(newWord, []); + + if (rule.combineable) { + for (var k = j + 1; k < _jlen; k++) { + var combineCode = ruleCodesArray[k]; + + var combineRule = this.rules[combineCode]; + + if (combineRule) { + if (combineRule.combineable && (rule.type != combineRule.type)) { + var otherNewWords = this._applyRule(newWord, combineRule); + + for (var iii = 0, _iiilen = otherNewWords.length; iii < _iiilen; iii++) { + var otherNewWord = otherNewWords[iii]; + addWord(otherNewWord, []); + } + } + } + } + } + } + } + + if (code in this.compoundRuleCodes) { + this.compoundRuleCodes[code].push(word); + } + } + } + else { + addWord(word.trim(), []); + } + } + + return dictionaryTable; + }, + + + /** + * Removes comment lines and then cleans up blank lines and trailing whitespace. + * + * @param {String} data The data from a .dic file. + * @return {String} The cleaned-up data. + */ + + _removeDicComments : function (data) { + // I can't find any official documentation on it, but at least the de_DE + // dictionary uses tab-indented lines as comments. + + // Remove comments + data = data.replace(/^\t.*$/mg, ""); + + return data; + }, + + parseRuleCodes : function (textCodes) { + if (!textCodes) { + return []; + } + else if (!("FLAG" in this.flags)) { + return textCodes.split(""); + } + else if (this.flags.FLAG === "long") { + var flags = []; + + for (var i = 0, _len = textCodes.length; i < _len; i += 2) { + flags.push(textCodes.substr(i, 2)); + } + + return flags; + } + else if (this.flags.FLAG === "num") { + return textCode.split(","); + } + }, + + /** + * Applies an affix rule to a word. + * + * @param {String} word The base word. + * @param {Object} rule The affix rule. + * @returns {String[]} The new words generated by the rule. + */ + + _applyRule : function (word, rule) { + var entries = rule.entries; + var newWords = []; + + for (var i = 0, _len = entries.length; i < _len; i++) { + var entry = entries[i]; + + if (!entry.match || word.match(entry.match)) { + var newWord = word; + + if (entry.remove) { + newWord = newWord.replace(entry.remove, ""); + } + + if (rule.type === "SFX") { + newWord = newWord + entry.add; + } + else { + newWord = entry.add + newWord; + } + + newWords.push(newWord); + + if ("continuationClasses" in entry) { + for (var j = 0, _jlen = entry.continuationClasses.length; j < _jlen; j++) { + var continuationRule = this.rules[entry.continuationClasses[j]]; + + if (continuationRule) { + newWords = newWords.concat(this._applyRule(newWord, continuationRule)); + } + /* + else { + // This shouldn't happen, but it does, at least in the de_DE dictionary. + // I think the author mistakenly supplied lower-case rule codes instead + // of upper-case. + } + */ + } + } + } + } + + return newWords; + }, + + /** + * Checks whether a word or a capitalization variant exists in the current dictionary. + * The word is trimmed and several variations of capitalizations are checked. + * If you want to check a word without any changes made to it, call checkExact() + * + * @see http://blog.stevenlevithan.com/archives/faster-trim-javascript re:trimming function + * + * @param {String} aWord The word to check. + * @returns {Boolean} + */ + + check : function (aWord) { + // Remove leading and trailing whitespace + var trimmedWord = aWord.replace(/^\s\s*/, '').replace(/\s\s*$/, ''); + + if (this.checkExact(trimmedWord)) { + return true; + } + + // The exact word is not in the dictionary. + if (trimmedWord.toUpperCase() === trimmedWord) { + // The word was supplied in all uppercase. + // Check for a capitalized form of the word. + var capitalizedWord = trimmedWord[0] + trimmedWord.substring(1).toLowerCase(); + + if (this.hasFlag(capitalizedWord, "KEEPCASE")) { + // Capitalization variants are not allowed for this word. + return false; + } + + if (this.checkExact(capitalizedWord)) { + return true; + } + } + + var lowercaseWord = trimmedWord.toLowerCase(); + + if (lowercaseWord !== trimmedWord) { + if (this.hasFlag(lowercaseWord, "KEEPCASE")) { + // Capitalization variants are not allowed for this word. + return false; + } + + // Check for a lowercase form + if (this.checkExact(lowercaseWord)) { + return true; + } + } + + return false; + }, + + /** + * Checks whether a word exists in the current dictionary. + * + * @param {String} word The word to check. + * @returns {Boolean} + */ + + checkExact : function (word) { + var ruleCodes = this.dictionaryTable[word]; + + if (typeof ruleCodes === 'undefined') { + // Check if this might be a compound word. + if ("COMPOUNDMIN" in this.flags && word.length >= this.flags.COMPOUNDMIN) { + for (var i = 0, _len = this.compoundRules.length; i < _len; i++) { + if (word.match(this.compoundRules[i])) { + return true; + } + } + } + + return false; + } + else if (typeof ruleCodes === 'object') { // this.dictionary['hasOwnProperty'] will be a function. + for (var i = 0, _len = ruleCodes.length; i < _len; i++) { + if (!this.hasFlag(word, "ONLYINCOMPOUND", ruleCodes[i])) { + return true; + } + } + + return false; + } + }, + + /** + * Looks up whether a given word is flagged with a given flag. + * + * @param {String} word The word in question. + * @param {String} flag The flag in question. + * @return {Boolean} + */ + + hasFlag : function (word, flag, wordFlags) { + if (flag in this.flags) { + if (typeof wordFlags === 'undefined') { + var wordFlags = Array.prototype.concat.apply([], this.dictionaryTable[word]); + } + + if (wordFlags && wordFlags.indexOf(this.flags[flag]) !== -1) { + return true; + } + } + + return false; + }, + + /** + * Returns a list of suggestions for a misspelled word. + * + * @see http://www.norvig.com/spell-correct.html for the basis of this suggestor. + * This suggestor is primitive, but it works. + * + * @param {String} word The misspelling. + * @param {Number} [limit=5] The maximum number of suggestions to return. + * @returns {String[]} The array of suggestions. + */ + + alphabet : "", + + suggest : function (word, limit) { + if (!limit) limit = 5; + + if (this.check(word)) return []; + + // Check the replacement table. + for (var i = 0, _len = this.replacementTable.length; i < _len; i++) { + var replacementEntry = this.replacementTable[i]; + + if (word.indexOf(replacementEntry[0]) !== -1) { + var correctedWord = word.replace(replacementEntry[0], replacementEntry[1]); + + if (this.check(correctedWord)) { + return [ correctedWord ]; + } + } + } + + var self = this; + self.alphabet = "abcdefghijklmnopqrstuvwxyz"; + + /* + if (!self.alphabet) { + // Use the alphabet as implicitly defined by the words in the dictionary. + var alphaHash = {}; + + for (var i in self.dictionaryTable) { + for (var j = 0, _len = i.length; j < _len; j++) { + alphaHash[i[j]] = true; + } + } + + for (var i in alphaHash) { + self.alphabet += i; + } + + var alphaArray = self.alphabet.split(""); + alphaArray.sort(); + self.alphabet = alphaArray.join(""); + } + */ + + function edits1(words) { + var rv = []; + + for (var ii = 0, _iilen = words.length; ii < _iilen; ii++) { + var word = words[ii]; + + var splits = []; + + for (var i = 0, _len = word.length + 1; i < _len; i++) { + splits.push([ word.substring(0, i), word.substring(i, word.length) ]); + } + + var deletes = []; + + for (var i = 0, _len = splits.length; i < _len; i++) { + var s = splits[i]; + + if (s[1]) { + deletes.push(s[0] + s[1].substring(1)); + } + } + + var transposes = []; + + for (var i = 0, _len = splits.length; i < _len; i++) { + var s = splits[i]; + + if (s[1].length > 1) { + transposes.push(s[0] + s[1][1] + s[1][0] + s[1].substring(2)); + } + } + + var replaces = []; + + for (var i = 0, _len = splits.length; i < _len; i++) { + var s = splits[i]; + + if (s[1]) { + for (var j = 0, _jlen = self.alphabet.length; j < _jlen; j++) { + replaces.push(s[0] + self.alphabet[j] + s[1].substring(1)); + } + } + } + + var inserts = []; + + for (var i = 0, _len = splits.length; i < _len; i++) { + var s = splits[i]; + + if (s[1]) { + for (var j = 0, _jlen = self.alphabet.length; j < _jlen; j++) { + replaces.push(s[0] + self.alphabet[j] + s[1]); + } + } + } + + rv = rv.concat(deletes); + rv = rv.concat(transposes); + rv = rv.concat(replaces); + rv = rv.concat(inserts); + } + + return rv; + } + + function known(words) { + var rv = []; + + for (var i = 0; i < words.length; i++) { + if (self.check(words[i])) { + rv.push(words[i]); + } + } + + return rv; + } + + function correct(word) { + // Get the edit-distance-1 and edit-distance-2 forms of this word. + var ed1 = edits1([word]); + var ed2 = edits1(ed1); + + var corrections = known(ed1).concat(known(ed2)); + + // Sort the edits based on how many different ways they were created. + var weighted_corrections = {}; + + for (var i = 0, _len = corrections.length; i < _len; i++) { + if (!(corrections[i] in weighted_corrections)) { + weighted_corrections[corrections[i]] = 1; + } + else { + weighted_corrections[corrections[i]] += 1; + } + } + + var sorted_corrections = []; + + for (var i in weighted_corrections) { + sorted_corrections.push([ i, weighted_corrections[i] ]); + } + + function sorter(a, b) { + if (a[1] < b[1]) { + return -1; + } + + return 1; + } + + sorted_corrections.sort(sorter).reverse(); + + var rv = []; + + for (var i = 0, _len = Math.min(limit, sorted_corrections.length); i < _len; i++) { + if (!self.hasFlag(sorted_corrections[i][0], "NOSUGGEST")) { + rv.push(sorted_corrections[i][0]); + } + } + + return rv; + } + + return correct(word); + } + }; + + // Support for use as a node.js module. + if (true) { + module.exports = Typo; + } + /* WEBPACK VAR INJECTION */}.call(exports, "/", __webpack_require__(175).Buffer)) + +/***/ }, +/* 175 */ +/***/ function(module, exports, __webpack_require__) { + + /* WEBPACK VAR INJECTION */(function(Buffer, global) {/*! + * The buffer module from node.js, for the browser. + * + * @author Feross Aboukhadijeh + * @license MIT + */ + /* eslint-disable no-proto */ + + 'use strict' + + var base64 = __webpack_require__(176) + var ieee754 = __webpack_require__(177) + var isArray = __webpack_require__(178) + + exports.Buffer = Buffer + exports.SlowBuffer = SlowBuffer + exports.INSPECT_MAX_BYTES = 50 + Buffer.poolSize = 8192 // not used by this implementation + + var rootParent = {} + + /** + * If `Buffer.TYPED_ARRAY_SUPPORT`: + * === true Use Uint8Array implementation (fastest) + * === false Use Object implementation (most compatible, even IE6) + * + * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, + * Opera 11.6+, iOS 4.2+. + * + * Due to various browser bugs, sometimes the Object implementation will be used even + * when the browser supports typed arrays. + * + * Note: + * + * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances, + * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438. + * + * - Safari 5-7 lacks support for changing the `Object.prototype.constructor` property + * on objects. + * + * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function. + * + * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of + * incorrect length in some situations. + + * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they + * get the Object implementation, which is slower but behaves correctly. + */ + Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined + ? global.TYPED_ARRAY_SUPPORT + : typedArraySupport() + + function typedArraySupport () { + function Bar () {} + try { + var arr = new Uint8Array(1) + arr.foo = function () { return 42 } + arr.constructor = Bar + return arr.foo() === 42 && // typed array instances can be augmented + arr.constructor === Bar && // constructor can be set + typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray` + arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray` + } catch (e) { + return false + } + } + + function kMaxLength () { + return Buffer.TYPED_ARRAY_SUPPORT + ? 0x7fffffff + : 0x3fffffff + } + + /** + * Class: Buffer + * ============= + * + * The Buffer constructor returns instances of `Uint8Array` that are augmented + * with function properties for all the node `Buffer` API functions. We use + * `Uint8Array` so that square bracket notation works as expected -- it returns + * a single octet. + * + * By augmenting the instances, we can avoid modifying the `Uint8Array` + * prototype. + */ + function Buffer (arg) { + if (!(this instanceof Buffer)) { + // Avoid going through an ArgumentsAdaptorTrampoline in the common case. + if (arguments.length > 1) return new Buffer(arg, arguments[1]) + return new Buffer(arg) + } + + if (!Buffer.TYPED_ARRAY_SUPPORT) { + this.length = 0 + this.parent = undefined + } + + // Common case. + if (typeof arg === 'number') { + return fromNumber(this, arg) + } + + // Slightly less common case. + if (typeof arg === 'string') { + return fromString(this, arg, arguments.length > 1 ? arguments[1] : 'utf8') + } + + // Unusual. + return fromObject(this, arg) + } + + function fromNumber (that, length) { + that = allocate(that, length < 0 ? 0 : checked(length) | 0) + if (!Buffer.TYPED_ARRAY_SUPPORT) { + for (var i = 0; i < length; i++) { + that[i] = 0 + } + } + return that + } + + function fromString (that, string, encoding) { + if (typeof encoding !== 'string' || encoding === '') encoding = 'utf8' + + // Assumption: byteLength() return value is always < kMaxLength. + var length = byteLength(string, encoding) | 0 + that = allocate(that, length) + + that.write(string, encoding) + return that + } + + function fromObject (that, object) { + if (Buffer.isBuffer(object)) return fromBuffer(that, object) + + if (isArray(object)) return fromArray(that, object) + + if (object == null) { + throw new TypeError('must start with number, buffer, array or string') + } + + if (typeof ArrayBuffer !== 'undefined') { + if (object.buffer instanceof ArrayBuffer) { + return fromTypedArray(that, object) + } + if (object instanceof ArrayBuffer) { + return fromArrayBuffer(that, object) + } + } + + if (object.length) return fromArrayLike(that, object) + + return fromJsonObject(that, object) + } + + function fromBuffer (that, buffer) { + var length = checked(buffer.length) | 0 + that = allocate(that, length) + buffer.copy(that, 0, 0, length) + return that + } + + function fromArray (that, array) { + var length = checked(array.length) | 0 + that = allocate(that, length) + for (var i = 0; i < length; i += 1) { + that[i] = array[i] & 255 + } + return that + } + + // Duplicate of fromArray() to keep fromArray() monomorphic. + function fromTypedArray (that, array) { + var length = checked(array.length) | 0 + that = allocate(that, length) + // Truncating the elements is probably not what people expect from typed + // arrays with BYTES_PER_ELEMENT > 1 but it's compatible with the behavior + // of the old Buffer constructor. + for (var i = 0; i < length; i += 1) { + that[i] = array[i] & 255 + } + return that + } + + function fromArrayBuffer (that, array) { + if (Buffer.TYPED_ARRAY_SUPPORT) { + // Return an augmented `Uint8Array` instance, for best performance + array.byteLength + that = Buffer._augment(new Uint8Array(array)) + } else { + // Fallback: Return an object instance of the Buffer class + that = fromTypedArray(that, new Uint8Array(array)) + } + return that + } + + function fromArrayLike (that, array) { + var length = checked(array.length) | 0 + that = allocate(that, length) + for (var i = 0; i < length; i += 1) { + that[i] = array[i] & 255 + } + return that + } + + // Deserialize { type: 'Buffer', data: [1,2,3,...] } into a Buffer object. + // Returns a zero-length buffer for inputs that don't conform to the spec. + function fromJsonObject (that, object) { + var array + var length = 0 + + if (object.type === 'Buffer' && isArray(object.data)) { + array = object.data + length = checked(array.length) | 0 + } + that = allocate(that, length) + + for (var i = 0; i < length; i += 1) { + that[i] = array[i] & 255 + } + return that + } + + if (Buffer.TYPED_ARRAY_SUPPORT) { + Buffer.prototype.__proto__ = Uint8Array.prototype + Buffer.__proto__ = Uint8Array + } else { + // pre-set for values that may exist in the future + Buffer.prototype.length = undefined + Buffer.prototype.parent = undefined + } + + function allocate (that, length) { + if (Buffer.TYPED_ARRAY_SUPPORT) { + // Return an augmented `Uint8Array` instance, for best performance + that = Buffer._augment(new Uint8Array(length)) + that.__proto__ = Buffer.prototype + } else { + // Fallback: Return an object instance of the Buffer class + that.length = length + that._isBuffer = true + } + + var fromPool = length !== 0 && length <= Buffer.poolSize >>> 1 + if (fromPool) that.parent = rootParent + + return that + } + + function checked (length) { + // Note: cannot use `length < kMaxLength` here because that fails when + // length is NaN (which is otherwise coerced to zero.) + if (length >= kMaxLength()) { + throw new RangeError('Attempt to allocate Buffer larger than maximum ' + + 'size: 0x' + kMaxLength().toString(16) + ' bytes') + } + return length | 0 + } + + function SlowBuffer (subject, encoding) { + if (!(this instanceof SlowBuffer)) return new SlowBuffer(subject, encoding) + + var buf = new Buffer(subject, encoding) + delete buf.parent + return buf + } + + Buffer.isBuffer = function isBuffer (b) { + return !!(b != null && b._isBuffer) + } + + Buffer.compare = function compare (a, b) { + if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { + throw new TypeError('Arguments must be Buffers') + } + + if (a === b) return 0 + + var x = a.length + var y = b.length + + var i = 0 + var len = Math.min(x, y) + while (i < len) { + if (a[i] !== b[i]) break + + ++i + } + + if (i !== len) { + x = a[i] + y = b[i] + } + + if (x < y) return -1 + if (y < x) return 1 + return 0 + } + + Buffer.isEncoding = function isEncoding (encoding) { + switch (String(encoding).toLowerCase()) { + case 'hex': + case 'utf8': + case 'utf-8': + case 'ascii': + case 'binary': + case 'base64': + case 'raw': + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return true + default: + return false + } + } + + Buffer.concat = function concat (list, length) { + if (!isArray(list)) throw new TypeError('list argument must be an Array of Buffers.') + + if (list.length === 0) { + return new Buffer(0) + } + + var i + if (length === undefined) { + length = 0 + for (i = 0; i < list.length; i++) { + length += list[i].length + } + } + + var buf = new Buffer(length) + var pos = 0 + for (i = 0; i < list.length; i++) { + var item = list[i] + item.copy(buf, pos) + pos += item.length + } + return buf + } + + function byteLength (string, encoding) { + if (typeof string !== 'string') string = '' + string + + var len = string.length + if (len === 0) return 0 + + // Use a for loop to avoid recursion + var loweredCase = false + for (;;) { + switch (encoding) { + case 'ascii': + case 'binary': + // Deprecated + case 'raw': + case 'raws': + return len + case 'utf8': + case 'utf-8': + return utf8ToBytes(string).length + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return len * 2 + case 'hex': + return len >>> 1 + case 'base64': + return base64ToBytes(string).length + default: + if (loweredCase) return utf8ToBytes(string).length // assume utf8 + encoding = ('' + encoding).toLowerCase() + loweredCase = true + } + } + } + Buffer.byteLength = byteLength + + function slowToString (encoding, start, end) { + var loweredCase = false + + start = start | 0 + end = end === undefined || end === Infinity ? this.length : end | 0 + + if (!encoding) encoding = 'utf8' + if (start < 0) start = 0 + if (end > this.length) end = this.length + if (end <= start) return '' + + while (true) { + switch (encoding) { + case 'hex': + return hexSlice(this, start, end) + + case 'utf8': + case 'utf-8': + return utf8Slice(this, start, end) + + case 'ascii': + return asciiSlice(this, start, end) + + case 'binary': + return binarySlice(this, start, end) + + case 'base64': + return base64Slice(this, start, end) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return utf16leSlice(this, start, end) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = (encoding + '').toLowerCase() + loweredCase = true + } + } + } + + Buffer.prototype.toString = function toString () { + var length = this.length | 0 + if (length === 0) return '' + if (arguments.length === 0) return utf8Slice(this, 0, length) + return slowToString.apply(this, arguments) + } + + Buffer.prototype.equals = function equals (b) { + if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') + if (this === b) return true + return Buffer.compare(this, b) === 0 + } + + Buffer.prototype.inspect = function inspect () { + var str = '' + var max = exports.INSPECT_MAX_BYTES + if (this.length > 0) { + str = this.toString('hex', 0, max).match(/.{2}/g).join(' ') + if (this.length > max) str += ' ... ' + } + return '' + } + + Buffer.prototype.compare = function compare (b) { + if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') + if (this === b) return 0 + return Buffer.compare(this, b) + } + + Buffer.prototype.indexOf = function indexOf (val, byteOffset) { + if (byteOffset > 0x7fffffff) byteOffset = 0x7fffffff + else if (byteOffset < -0x80000000) byteOffset = -0x80000000 + byteOffset >>= 0 + + if (this.length === 0) return -1 + if (byteOffset >= this.length) return -1 + + // Negative offsets start from the end of the buffer + if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0) + + if (typeof val === 'string') { + if (val.length === 0) return -1 // special case: looking for empty string always fails + return String.prototype.indexOf.call(this, val, byteOffset) + } + if (Buffer.isBuffer(val)) { + return arrayIndexOf(this, val, byteOffset) + } + if (typeof val === 'number') { + if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') { + return Uint8Array.prototype.indexOf.call(this, val, byteOffset) + } + return arrayIndexOf(this, [ val ], byteOffset) + } + + function arrayIndexOf (arr, val, byteOffset) { + var foundIndex = -1 + for (var i = 0; byteOffset + i < arr.length; i++) { + if (arr[byteOffset + i] === val[foundIndex === -1 ? 0 : i - foundIndex]) { + if (foundIndex === -1) foundIndex = i + if (i - foundIndex + 1 === val.length) return byteOffset + foundIndex + } else { + foundIndex = -1 + } + } + return -1 + } + + throw new TypeError('val must be string, number or Buffer') + } + + // `get` is deprecated + Buffer.prototype.get = function get (offset) { + console.log('.get() is deprecated. Access using array indexes instead.') + return this.readUInt8(offset) + } + + // `set` is deprecated + Buffer.prototype.set = function set (v, offset) { + console.log('.set() is deprecated. Access using array indexes instead.') + return this.writeUInt8(v, offset) + } + + function hexWrite (buf, string, offset, length) { + offset = Number(offset) || 0 + var remaining = buf.length - offset + if (!length) { + length = remaining + } else { + length = Number(length) + if (length > remaining) { + length = remaining + } + } + + // must be an even number of digits + var strLen = string.length + if (strLen % 2 !== 0) throw new Error('Invalid hex string') + + if (length > strLen / 2) { + length = strLen / 2 + } + for (var i = 0; i < length; i++) { + var parsed = parseInt(string.substr(i * 2, 2), 16) + if (isNaN(parsed)) throw new Error('Invalid hex string') + buf[offset + i] = parsed + } + return i + } + + function utf8Write (buf, string, offset, length) { + return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) + } + + function asciiWrite (buf, string, offset, length) { + return blitBuffer(asciiToBytes(string), buf, offset, length) + } + + function binaryWrite (buf, string, offset, length) { + return asciiWrite(buf, string, offset, length) + } + + function base64Write (buf, string, offset, length) { + return blitBuffer(base64ToBytes(string), buf, offset, length) + } + + function ucs2Write (buf, string, offset, length) { + return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) + } + + Buffer.prototype.write = function write (string, offset, length, encoding) { + // Buffer#write(string) + if (offset === undefined) { + encoding = 'utf8' + length = this.length + offset = 0 + // Buffer#write(string, encoding) + } else if (length === undefined && typeof offset === 'string') { + encoding = offset + length = this.length + offset = 0 + // Buffer#write(string, offset[, length][, encoding]) + } else if (isFinite(offset)) { + offset = offset | 0 + if (isFinite(length)) { + length = length | 0 + if (encoding === undefined) encoding = 'utf8' + } else { + encoding = length + length = undefined + } + // legacy write(string, encoding, offset, length) - remove in v0.13 + } else { + var swap = encoding + encoding = offset + offset = length | 0 + length = swap + } + + var remaining = this.length - offset + if (length === undefined || length > remaining) length = remaining + + if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) { + throw new RangeError('attempt to write outside buffer bounds') + } + + if (!encoding) encoding = 'utf8' + + var loweredCase = false + for (;;) { + switch (encoding) { + case 'hex': + return hexWrite(this, string, offset, length) + + case 'utf8': + case 'utf-8': + return utf8Write(this, string, offset, length) + + case 'ascii': + return asciiWrite(this, string, offset, length) + + case 'binary': + return binaryWrite(this, string, offset, length) + + case 'base64': + // Warning: maxLength not taken into account in base64Write + return base64Write(this, string, offset, length) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return ucs2Write(this, string, offset, length) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = ('' + encoding).toLowerCase() + loweredCase = true + } + } + } + + Buffer.prototype.toJSON = function toJSON () { + return { + type: 'Buffer', + data: Array.prototype.slice.call(this._arr || this, 0) + } + } + + function base64Slice (buf, start, end) { + if (start === 0 && end === buf.length) { + return base64.fromByteArray(buf) + } else { + return base64.fromByteArray(buf.slice(start, end)) + } + } + + function utf8Slice (buf, start, end) { + end = Math.min(buf.length, end) + var res = [] + + var i = start + while (i < end) { + var firstByte = buf[i] + var codePoint = null + var bytesPerSequence = (firstByte > 0xEF) ? 4 + : (firstByte > 0xDF) ? 3 + : (firstByte > 0xBF) ? 2 + : 1 + + if (i + bytesPerSequence <= end) { + var secondByte, thirdByte, fourthByte, tempCodePoint + + switch (bytesPerSequence) { + case 1: + if (firstByte < 0x80) { + codePoint = firstByte + } + break + case 2: + secondByte = buf[i + 1] + if ((secondByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F) + if (tempCodePoint > 0x7F) { + codePoint = tempCodePoint + } + } + break + case 3: + secondByte = buf[i + 1] + thirdByte = buf[i + 2] + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F) + if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { + codePoint = tempCodePoint + } + } + break + case 4: + secondByte = buf[i + 1] + thirdByte = buf[i + 2] + fourthByte = buf[i + 3] + if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { + tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F) + if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { + codePoint = tempCodePoint + } + } + } + } + + if (codePoint === null) { + // we did not generate a valid codePoint so insert a + // replacement char (U+FFFD) and advance only 1 byte + codePoint = 0xFFFD + bytesPerSequence = 1 + } else if (codePoint > 0xFFFF) { + // encode to utf16 (surrogate pair dance) + codePoint -= 0x10000 + res.push(codePoint >>> 10 & 0x3FF | 0xD800) + codePoint = 0xDC00 | codePoint & 0x3FF + } + + res.push(codePoint) + i += bytesPerSequence + } + + return decodeCodePointsArray(res) + } + + // Based on http://stackoverflow.com/a/22747272/680742, the browser with + // the lowest limit is Chrome, with 0x10000 args. + // We go 1 magnitude less, for safety + var MAX_ARGUMENTS_LENGTH = 0x1000 + + function decodeCodePointsArray (codePoints) { + var len = codePoints.length + if (len <= MAX_ARGUMENTS_LENGTH) { + return String.fromCharCode.apply(String, codePoints) // avoid extra slice() + } + + // Decode in chunks to avoid "call stack size exceeded". + var res = '' + var i = 0 + while (i < len) { + res += String.fromCharCode.apply( + String, + codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH) + ) + } + return res + } + + function asciiSlice (buf, start, end) { + var ret = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; i++) { + ret += String.fromCharCode(buf[i] & 0x7F) + } + return ret + } + + function binarySlice (buf, start, end) { + var ret = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; i++) { + ret += String.fromCharCode(buf[i]) + } + return ret + } + + function hexSlice (buf, start, end) { + var len = buf.length + + if (!start || start < 0) start = 0 + if (!end || end < 0 || end > len) end = len + + var out = '' + for (var i = start; i < end; i++) { + out += toHex(buf[i]) + } + return out + } + + function utf16leSlice (buf, start, end) { + var bytes = buf.slice(start, end) + var res = '' + for (var i = 0; i < bytes.length; i += 2) { + res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256) + } + return res + } + + Buffer.prototype.slice = function slice (start, end) { + var len = this.length + start = ~~start + end = end === undefined ? len : ~~end + + if (start < 0) { + start += len + if (start < 0) start = 0 + } else if (start > len) { + start = len + } + + if (end < 0) { + end += len + if (end < 0) end = 0 + } else if (end > len) { + end = len + } + + if (end < start) end = start + + var newBuf + if (Buffer.TYPED_ARRAY_SUPPORT) { + newBuf = Buffer._augment(this.subarray(start, end)) + } else { + var sliceLen = end - start + newBuf = new Buffer(sliceLen, undefined) + for (var i = 0; i < sliceLen; i++) { + newBuf[i] = this[i + start] + } + } + + if (newBuf.length) newBuf.parent = this.parent || this + + return newBuf + } + + /* + * Need to make sure that buffer isn't trying to write out of bounds. + */ + function checkOffset (offset, ext, length) { + if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') + if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') + } + + Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { + offset = offset | 0 + byteLength = byteLength | 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var val = this[offset] + var mul = 1 + var i = 0 + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul + } + + return val + } + + Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { + offset = offset | 0 + byteLength = byteLength | 0 + if (!noAssert) { + checkOffset(offset, byteLength, this.length) + } + + var val = this[offset + --byteLength] + var mul = 1 + while (byteLength > 0 && (mul *= 0x100)) { + val += this[offset + --byteLength] * mul + } + + return val + } + + Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) { + if (!noAssert) checkOffset(offset, 1, this.length) + return this[offset] + } + + Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length) + return this[offset] | (this[offset + 1] << 8) + } + + Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length) + return (this[offset] << 8) | this[offset + 1] + } + + Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + + return ((this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16)) + + (this[offset + 3] * 0x1000000) + } + + Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset] * 0x1000000) + + ((this[offset + 1] << 16) | + (this[offset + 2] << 8) | + this[offset + 3]) + } + + Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { + offset = offset | 0 + byteLength = byteLength | 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var val = this[offset] + var mul = 1 + var i = 0 + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul + } + mul *= 0x80 + + if (val >= mul) val -= Math.pow(2, 8 * byteLength) + + return val + } + + Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { + offset = offset | 0 + byteLength = byteLength | 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var i = byteLength + var mul = 1 + var val = this[offset + --i] + while (i > 0 && (mul *= 0x100)) { + val += this[offset + --i] * mul + } + mul *= 0x80 + + if (val >= mul) val -= Math.pow(2, 8 * byteLength) + + return val + } + + Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) { + if (!noAssert) checkOffset(offset, 1, this.length) + if (!(this[offset] & 0x80)) return (this[offset]) + return ((0xff - this[offset] + 1) * -1) + } + + Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length) + var val = this[offset] | (this[offset + 1] << 8) + return (val & 0x8000) ? val | 0xFFFF0000 : val + } + + Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length) + var val = this[offset + 1] | (this[offset] << 8) + return (val & 0x8000) ? val | 0xFFFF0000 : val + } + + Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16) | + (this[offset + 3] << 24) + } + + Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset] << 24) | + (this[offset + 1] << 16) | + (this[offset + 2] << 8) | + (this[offset + 3]) + } + + Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + return ieee754.read(this, offset, true, 23, 4) + } + + Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + return ieee754.read(this, offset, false, 23, 4) + } + + Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 8, this.length) + return ieee754.read(this, offset, true, 52, 8) + } + + Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 8, this.length) + return ieee754.read(this, offset, false, 52, 8) + } + + function checkInt (buf, value, offset, ext, max, min) { + if (!Buffer.isBuffer(buf)) throw new TypeError('buffer must be a Buffer instance') + if (value > max || value < min) throw new RangeError('value is out of bounds') + if (offset + ext > buf.length) throw new RangeError('index out of range') + } + + Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { + value = +value + offset = offset | 0 + byteLength = byteLength | 0 + if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0) + + var mul = 1 + var i = 0 + this[offset] = value & 0xFF + while (++i < byteLength && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF + } + + return offset + byteLength + } + + Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { + value = +value + offset = offset | 0 + byteLength = byteLength | 0 + if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0) + + var i = byteLength - 1 + var mul = 1 + this[offset + i] = value & 0xFF + while (--i >= 0 && (mul *= 0x100)) { + this[offset + i] = (value / mul) & 0xFF + } + + return offset + byteLength + } + + Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0) + if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value) + this[offset] = (value & 0xff) + return offset + 1 + } + + function objectWriteUInt16 (buf, value, offset, littleEndian) { + if (value < 0) value = 0xffff + value + 1 + for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) { + buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>> + (littleEndian ? i : 1 - i) * 8 + } + } + + Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value & 0xff) + this[offset + 1] = (value >>> 8) + } else { + objectWriteUInt16(this, value, offset, true) + } + return offset + 2 + } + + Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 8) + this[offset + 1] = (value & 0xff) + } else { + objectWriteUInt16(this, value, offset, false) + } + return offset + 2 + } + + function objectWriteUInt32 (buf, value, offset, littleEndian) { + if (value < 0) value = 0xffffffff + value + 1 + for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; i++) { + buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff + } + } + + Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset + 3] = (value >>> 24) + this[offset + 2] = (value >>> 16) + this[offset + 1] = (value >>> 8) + this[offset] = (value & 0xff) + } else { + objectWriteUInt32(this, value, offset, true) + } + return offset + 4 + } + + Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 24) + this[offset + 1] = (value >>> 16) + this[offset + 2] = (value >>> 8) + this[offset + 3] = (value & 0xff) + } else { + objectWriteUInt32(this, value, offset, false) + } + return offset + 4 + } + + Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) { + var limit = Math.pow(2, 8 * byteLength - 1) + + checkInt(this, value, offset, byteLength, limit - 1, -limit) + } + + var i = 0 + var mul = 1 + var sub = value < 0 ? 1 : 0 + this[offset] = value & 0xFF + while (++i < byteLength && (mul *= 0x100)) { + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF + } + + return offset + byteLength + } + + Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) { + var limit = Math.pow(2, 8 * byteLength - 1) + + checkInt(this, value, offset, byteLength, limit - 1, -limit) + } + + var i = byteLength - 1 + var mul = 1 + var sub = value < 0 ? 1 : 0 + this[offset + i] = value & 0xFF + while (--i >= 0 && (mul *= 0x100)) { + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF + } + + return offset + byteLength + } + + Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80) + if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value) + if (value < 0) value = 0xff + value + 1 + this[offset] = (value & 0xff) + return offset + 1 + } + + Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value & 0xff) + this[offset + 1] = (value >>> 8) + } else { + objectWriteUInt16(this, value, offset, true) + } + return offset + 2 + } + + Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 8) + this[offset + 1] = (value & 0xff) + } else { + objectWriteUInt16(this, value, offset, false) + } + return offset + 2 + } + + Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value & 0xff) + this[offset + 1] = (value >>> 8) + this[offset + 2] = (value >>> 16) + this[offset + 3] = (value >>> 24) + } else { + objectWriteUInt32(this, value, offset, true) + } + return offset + 4 + } + + Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { + value = +value + offset = offset | 0 + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) + if (value < 0) value = 0xffffffff + value + 1 + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 24) + this[offset + 1] = (value >>> 16) + this[offset + 2] = (value >>> 8) + this[offset + 3] = (value & 0xff) + } else { + objectWriteUInt32(this, value, offset, false) + } + return offset + 4 + } + + function checkIEEE754 (buf, value, offset, ext, max, min) { + if (value > max || value < min) throw new RangeError('value is out of bounds') + if (offset + ext > buf.length) throw new RangeError('index out of range') + if (offset < 0) throw new RangeError('index out of range') + } + + function writeFloat (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38) + } + ieee754.write(buf, value, offset, littleEndian, 23, 4) + return offset + 4 + } + + Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { + return writeFloat(this, value, offset, true, noAssert) + } + + Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) { + return writeFloat(this, value, offset, false, noAssert) + } + + function writeDouble (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308) + } + ieee754.write(buf, value, offset, littleEndian, 52, 8) + return offset + 8 + } + + Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) { + return writeDouble(this, value, offset, true, noAssert) + } + + Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) { + return writeDouble(this, value, offset, false, noAssert) + } + + // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) + Buffer.prototype.copy = function copy (target, targetStart, start, end) { + if (!start) start = 0 + if (!end && end !== 0) end = this.length + if (targetStart >= target.length) targetStart = target.length + if (!targetStart) targetStart = 0 + if (end > 0 && end < start) end = start + + // Copy 0 bytes; we're done + if (end === start) return 0 + if (target.length === 0 || this.length === 0) return 0 + + // Fatal error conditions + if (targetStart < 0) { + throw new RangeError('targetStart out of bounds') + } + if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds') + if (end < 0) throw new RangeError('sourceEnd out of bounds') + + // Are we oob? + if (end > this.length) end = this.length + if (target.length - targetStart < end - start) { + end = target.length - targetStart + start + } + + var len = end - start + var i + + if (this === target && start < targetStart && targetStart < end) { + // descending copy from end + for (i = len - 1; i >= 0; i--) { + target[i + targetStart] = this[i + start] + } + } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) { + // ascending copy from start + for (i = 0; i < len; i++) { + target[i + targetStart] = this[i + start] + } + } else { + target._set(this.subarray(start, start + len), targetStart) + } + + return len + } + + // fill(value, start=0, end=buffer.length) + Buffer.prototype.fill = function fill (value, start, end) { + if (!value) value = 0 + if (!start) start = 0 + if (!end) end = this.length + + if (end < start) throw new RangeError('end < start') + + // Fill 0 bytes; we're done + if (end === start) return + if (this.length === 0) return + + if (start < 0 || start >= this.length) throw new RangeError('start out of bounds') + if (end < 0 || end > this.length) throw new RangeError('end out of bounds') + + var i + if (typeof value === 'number') { + for (i = start; i < end; i++) { + this[i] = value + } + } else { + var bytes = utf8ToBytes(value.toString()) + var len = bytes.length + for (i = start; i < end; i++) { + this[i] = bytes[i % len] + } + } + + return this + } + + /** + * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance. + * Added in Node 0.12. Only available in browsers that support ArrayBuffer. + */ + Buffer.prototype.toArrayBuffer = function toArrayBuffer () { + if (typeof Uint8Array !== 'undefined') { + if (Buffer.TYPED_ARRAY_SUPPORT) { + return (new Buffer(this)).buffer + } else { + var buf = new Uint8Array(this.length) + for (var i = 0, len = buf.length; i < len; i += 1) { + buf[i] = this[i] + } + return buf.buffer + } + } else { + throw new TypeError('Buffer.toArrayBuffer not supported in this browser') + } + } + + // HELPER FUNCTIONS + // ================ + + var BP = Buffer.prototype + + /** + * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods + */ + Buffer._augment = function _augment (arr) { + arr.constructor = Buffer + arr._isBuffer = true + + // save reference to original Uint8Array set method before overwriting + arr._set = arr.set + + // deprecated + arr.get = BP.get + arr.set = BP.set + + arr.write = BP.write + arr.toString = BP.toString + arr.toLocaleString = BP.toString + arr.toJSON = BP.toJSON + arr.equals = BP.equals + arr.compare = BP.compare + arr.indexOf = BP.indexOf + arr.copy = BP.copy + arr.slice = BP.slice + arr.readUIntLE = BP.readUIntLE + arr.readUIntBE = BP.readUIntBE + arr.readUInt8 = BP.readUInt8 + arr.readUInt16LE = BP.readUInt16LE + arr.readUInt16BE = BP.readUInt16BE + arr.readUInt32LE = BP.readUInt32LE + arr.readUInt32BE = BP.readUInt32BE + arr.readIntLE = BP.readIntLE + arr.readIntBE = BP.readIntBE + arr.readInt8 = BP.readInt8 + arr.readInt16LE = BP.readInt16LE + arr.readInt16BE = BP.readInt16BE + arr.readInt32LE = BP.readInt32LE + arr.readInt32BE = BP.readInt32BE + arr.readFloatLE = BP.readFloatLE + arr.readFloatBE = BP.readFloatBE + arr.readDoubleLE = BP.readDoubleLE + arr.readDoubleBE = BP.readDoubleBE + arr.writeUInt8 = BP.writeUInt8 + arr.writeUIntLE = BP.writeUIntLE + arr.writeUIntBE = BP.writeUIntBE + arr.writeUInt16LE = BP.writeUInt16LE + arr.writeUInt16BE = BP.writeUInt16BE + arr.writeUInt32LE = BP.writeUInt32LE + arr.writeUInt32BE = BP.writeUInt32BE + arr.writeIntLE = BP.writeIntLE + arr.writeIntBE = BP.writeIntBE + arr.writeInt8 = BP.writeInt8 + arr.writeInt16LE = BP.writeInt16LE + arr.writeInt16BE = BP.writeInt16BE + arr.writeInt32LE = BP.writeInt32LE + arr.writeInt32BE = BP.writeInt32BE + arr.writeFloatLE = BP.writeFloatLE + arr.writeFloatBE = BP.writeFloatBE + arr.writeDoubleLE = BP.writeDoubleLE + arr.writeDoubleBE = BP.writeDoubleBE + arr.fill = BP.fill + arr.inspect = BP.inspect + arr.toArrayBuffer = BP.toArrayBuffer + + return arr + } + + var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g + + function base64clean (str) { + // Node strips out invalid characters like \n and \t from the string, base64-js does not + str = stringtrim(str).replace(INVALID_BASE64_RE, '') + // Node converts strings with length < 2 to '' + if (str.length < 2) return '' + // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not + while (str.length % 4 !== 0) { + str = str + '=' + } + return str + } + + function stringtrim (str) { + if (str.trim) return str.trim() + return str.replace(/^\s+|\s+$/g, '') + } + + function toHex (n) { + if (n < 16) return '0' + n.toString(16) + return n.toString(16) + } + + function utf8ToBytes (string, units) { + units = units || Infinity + var codePoint + var length = string.length + var leadSurrogate = null + var bytes = [] + + for (var i = 0; i < length; i++) { + codePoint = string.charCodeAt(i) + + // is surrogate component + if (codePoint > 0xD7FF && codePoint < 0xE000) { + // last char was a lead + if (!leadSurrogate) { + // no lead yet + if (codePoint > 0xDBFF) { + // unexpected trail + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + continue + } else if (i + 1 === length) { + // unpaired lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + continue + } + + // valid lead + leadSurrogate = codePoint + + continue + } + + // 2 leads in a row + if (codePoint < 0xDC00) { + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + leadSurrogate = codePoint + continue + } + + // valid surrogate pair + codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000 + } else if (leadSurrogate) { + // valid bmp char, but last char was a lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + } + + leadSurrogate = null + + // encode utf8 + if (codePoint < 0x80) { + if ((units -= 1) < 0) break + bytes.push(codePoint) + } else if (codePoint < 0x800) { + if ((units -= 2) < 0) break + bytes.push( + codePoint >> 0x6 | 0xC0, + codePoint & 0x3F | 0x80 + ) + } else if (codePoint < 0x10000) { + if ((units -= 3) < 0) break + bytes.push( + codePoint >> 0xC | 0xE0, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ) + } else if (codePoint < 0x110000) { + if ((units -= 4) < 0) break + bytes.push( + codePoint >> 0x12 | 0xF0, + codePoint >> 0xC & 0x3F | 0x80, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ) + } else { + throw new Error('Invalid code point') + } + } + + return bytes + } + + function asciiToBytes (str) { + var byteArray = [] + for (var i = 0; i < str.length; i++) { + // Node's code seems to be doing this and not & 0x7F.. + byteArray.push(str.charCodeAt(i) & 0xFF) + } + return byteArray + } + + function utf16leToBytes (str, units) { + var c, hi, lo + var byteArray = [] + for (var i = 0; i < str.length; i++) { + if ((units -= 2) < 0) break + + c = str.charCodeAt(i) + hi = c >> 8 + lo = c % 256 + byteArray.push(lo) + byteArray.push(hi) + } + + return byteArray + } + + function base64ToBytes (str) { + return base64.toByteArray(base64clean(str)) + } + + function blitBuffer (src, dst, offset, length) { + for (var i = 0; i < length; i++) { + if ((i + offset >= dst.length) || (i >= src.length)) break + dst[i + offset] = src[i] + } + return i + } + + /* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(175).Buffer, (function() { return this; }()))) + +/***/ }, +/* 176 */ +/***/ function(module, exports, __webpack_require__) { + + var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; + + ;(function (exports) { + 'use strict'; + + var Arr = (typeof Uint8Array !== 'undefined') + ? Uint8Array + : Array + + var PLUS = '+'.charCodeAt(0) + var SLASH = '/'.charCodeAt(0) + var NUMBER = '0'.charCodeAt(0) + var LOWER = 'a'.charCodeAt(0) + var UPPER = 'A'.charCodeAt(0) + var PLUS_URL_SAFE = '-'.charCodeAt(0) + var SLASH_URL_SAFE = '_'.charCodeAt(0) + + function decode (elt) { + var code = elt.charCodeAt(0) + if (code === PLUS || + code === PLUS_URL_SAFE) + return 62 // '+' + if (code === SLASH || + code === SLASH_URL_SAFE) + return 63 // '/' + if (code < NUMBER) + return -1 //no match + if (code < NUMBER + 10) + return code - NUMBER + 26 + 26 + if (code < UPPER + 26) + return code - UPPER + if (code < LOWER + 26) + return code - LOWER + 26 + } + + function b64ToByteArray (b64) { + var i, j, l, tmp, placeHolders, arr + + if (b64.length % 4 > 0) { + throw new Error('Invalid string. Length must be a multiple of 4') + } + + // the number of equal signs (place holders) + // if there are two placeholders, than the two characters before it + // represent one byte + // if there is only one, then the three characters before it represent 2 bytes + // this is just a cheap hack to not do indexOf twice + var len = b64.length + placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0 + + // base64 is 4/3 + up to two characters of the original data + arr = new Arr(b64.length * 3 / 4 - placeHolders) + + // if there are placeholders, only get up to the last complete 4 chars + l = placeHolders > 0 ? b64.length - 4 : b64.length + + var L = 0 + + function push (v) { + arr[L++] = v + } + + for (i = 0, j = 0; i < l; i += 4, j += 3) { + tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3)) + push((tmp & 0xFF0000) >> 16) + push((tmp & 0xFF00) >> 8) + push(tmp & 0xFF) + } + + if (placeHolders === 2) { + tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4) + push(tmp & 0xFF) + } else if (placeHolders === 1) { + tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2) + push((tmp >> 8) & 0xFF) + push(tmp & 0xFF) + } + + return arr + } + + function uint8ToBase64 (uint8) { + var i, + extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes + output = "", + temp, length + + function encode (num) { + return lookup.charAt(num) + } + + function tripletToBase64 (num) { + return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F) + } + + // go through the array every three bytes, we'll deal with trailing stuff later + for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) { + temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]) + output += tripletToBase64(temp) + } + + // pad the end with zeros, but make sure to not forget the extra bytes + switch (extraBytes) { + case 1: + temp = uint8[uint8.length - 1] + output += encode(temp >> 2) + output += encode((temp << 4) & 0x3F) + output += '==' + break + case 2: + temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]) + output += encode(temp >> 10) + output += encode((temp >> 4) & 0x3F) + output += encode((temp << 2) & 0x3F) + output += '=' + break + } + + return output + } + + exports.toByteArray = b64ToByteArray + exports.fromByteArray = uint8ToBase64 + }( false ? (this.base64js = {}) : exports)) + + +/***/ }, +/* 177 */ +/***/ function(module, exports) { + + exports.read = function (buffer, offset, isLE, mLen, nBytes) { + var e, m + var eLen = nBytes * 8 - mLen - 1 + var eMax = (1 << eLen) - 1 + var eBias = eMax >> 1 + var nBits = -7 + var i = isLE ? (nBytes - 1) : 0 + var d = isLE ? -1 : 1 + var s = buffer[offset + i] + + i += d + + e = s & ((1 << (-nBits)) - 1) + s >>= (-nBits) + nBits += eLen + for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + m = e & ((1 << (-nBits)) - 1) + e >>= (-nBits) + nBits += mLen + for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {} + + if (e === 0) { + e = 1 - eBias + } else if (e === eMax) { + return m ? NaN : ((s ? -1 : 1) * Infinity) + } else { + m = m + Math.pow(2, mLen) + e = e - eBias + } + return (s ? -1 : 1) * m * Math.pow(2, e - mLen) + } + + exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c + var eLen = nBytes * 8 - mLen - 1 + var eMax = (1 << eLen) - 1 + var eBias = eMax >> 1 + var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) + var i = isLE ? 0 : (nBytes - 1) + var d = isLE ? 1 : -1 + var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 + + value = Math.abs(value) + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0 + e = eMax + } else { + e = Math.floor(Math.log(value) / Math.LN2) + if (value * (c = Math.pow(2, -e)) < 1) { + e-- + c *= 2 + } + if (e + eBias >= 1) { + value += rt / c + } else { + value += rt * Math.pow(2, 1 - eBias) + } + if (value * c >= 2) { + e++ + c /= 2 + } + + if (e + eBias >= eMax) { + m = 0 + e = eMax + } else if (e + eBias >= 1) { + m = (value * c - 1) * Math.pow(2, mLen) + e = e + eBias + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) + e = 0 + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} + + e = (e << mLen) | m + eLen += mLen + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} + + buffer[offset + i - d] |= s * 128 + } + + +/***/ }, +/* 178 */ +/***/ function(module, exports) { + + var toString = {}.toString; + + module.exports = Array.isArray || function (arr) { + return toString.call(arr) == '[object Array]'; + }; + + +/***/ }, +/* 179 */ +/***/ function(module, exports) { + + + +/***/ }, +/* 180 */ +/***/ function(module, exports, __webpack_require__) { + + /* WEBPACK VAR INJECTION */(function(global) {/** + * marked - a markdown parser + * Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed) + * https://github.com/chjj/marked + */ + + ;(function() { + + /** + * Block-Level Grammar + */ + + var block = { + newline: /^\n+/, + code: /^( {4}[^\n]+\n*)+/, + fences: noop, + hr: /^( *[-*_]){3,} *(?:\n+|$)/, + heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/, + nptable: noop, + lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/, + blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/, + list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/, + html: /^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/, + def: /^ *\[([^\]]+)\]: *]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/, + table: noop, + paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/, + text: /^[^\n]+/ + }; + + block.bullet = /(?:[*+-]|\d+\.)/; + block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/; + block.item = replace(block.item, 'gm') + (/bull/g, block.bullet) + (); + + block.list = replace(block.list) + (/bull/g, block.bullet) + ('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))') + ('def', '\\n+(?=' + block.def.source + ')') + (); + + block.blockquote = replace(block.blockquote) + ('def', block.def) + (); + + block._tag = '(?!(?:' + + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code' + + '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo' + + '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b'; + + block.html = replace(block.html) + ('comment', //) + ('closed', /<(tag)[\s\S]+?<\/\1>/) + ('closing', /])*?>/) + (/tag/g, block._tag) + (); + + block.paragraph = replace(block.paragraph) + ('hr', block.hr) + ('heading', block.heading) + ('lheading', block.lheading) + ('blockquote', block.blockquote) + ('tag', '<' + block._tag) + ('def', block.def) + (); + + /** + * Normal Block Grammar + */ + + block.normal = merge({}, block); + + /** + * GFM Block Grammar + */ + + block.gfm = merge({}, block.normal, { + fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\s*\1 *(?:\n+|$)/, + paragraph: /^/, + heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/ + }); + + block.gfm.paragraph = replace(block.paragraph) + ('(?!', '(?!' + + block.gfm.fences.source.replace('\\1', '\\2') + '|' + + block.list.source.replace('\\1', '\\3') + '|') + (); + + /** + * GFM + Tables Block Grammar + */ + + block.tables = merge({}, block.gfm, { + nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/, + table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/ + }); + + /** + * Block Lexer + */ + + function Lexer(options) { + this.tokens = []; + this.tokens.links = {}; + this.options = options || marked.defaults; + this.rules = block.normal; + + if (this.options.gfm) { + if (this.options.tables) { + this.rules = block.tables; + } else { + this.rules = block.gfm; + } + } + } + + /** + * Expose Block Rules + */ + + Lexer.rules = block; + + /** + * Static Lex Method + */ + + Lexer.lex = function(src, options) { + var lexer = new Lexer(options); + return lexer.lex(src); + }; + + /** + * Preprocessing + */ + + Lexer.prototype.lex = function(src) { + src = src + .replace(/\r\n|\r/g, '\n') + .replace(/\t/g, ' ') + .replace(/\u00a0/g, ' ') + .replace(/\u2424/g, '\n'); + + return this.token(src, true); + }; + + /** + * Lexing + */ + + Lexer.prototype.token = function(src, top, bq) { + var src = src.replace(/^ +$/gm, '') + , next + , loose + , cap + , bull + , b + , item + , space + , i + , l; + + while (src) { + // newline + if (cap = this.rules.newline.exec(src)) { + src = src.substring(cap[0].length); + if (cap[0].length > 1) { + this.tokens.push({ + type: 'space' + }); + } + } + + // code + if (cap = this.rules.code.exec(src)) { + src = src.substring(cap[0].length); + cap = cap[0].replace(/^ {4}/gm, ''); + this.tokens.push({ + type: 'code', + text: !this.options.pedantic + ? cap.replace(/\n+$/, '') + : cap + }); + continue; + } + + // fences (gfm) + if (cap = this.rules.fences.exec(src)) { + src = src.substring(cap[0].length); + this.tokens.push({ + type: 'code', + lang: cap[2], + text: cap[3] || '' + }); + continue; + } + + // heading + if (cap = this.rules.heading.exec(src)) { + src = src.substring(cap[0].length); + this.tokens.push({ + type: 'heading', + depth: cap[1].length, + text: cap[2] + }); + continue; + } + + // table no leading pipe (gfm) + if (top && (cap = this.rules.nptable.exec(src))) { + src = src.substring(cap[0].length); + + item = { + type: 'table', + header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */), + align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), + cells: cap[3].replace(/\n$/, '').split('\n') + }; + + for (i = 0; i < item.align.length; i++) { + if (/^ *-+: *$/.test(item.align[i])) { + item.align[i] = 'right'; + } else if (/^ *:-+: *$/.test(item.align[i])) { + item.align[i] = 'center'; + } else if (/^ *:-+ *$/.test(item.align[i])) { + item.align[i] = 'left'; + } else { + item.align[i] = null; + } + } + + for (i = 0; i < item.cells.length; i++) { + item.cells[i] = item.cells[i].split(/ *\| */); + } + + this.tokens.push(item); + + continue; + } + + // lheading + if (cap = this.rules.lheading.exec(src)) { + src = src.substring(cap[0].length); + this.tokens.push({ + type: 'heading', + depth: cap[2] === '=' ? 1 : 2, + text: cap[1] + }); + continue; + } + + // hr + if (cap = this.rules.hr.exec(src)) { + src = src.substring(cap[0].length); + this.tokens.push({ + type: 'hr' + }); + continue; + } + + // blockquote + if (cap = this.rules.blockquote.exec(src)) { + src = src.substring(cap[0].length); + + this.tokens.push({ + type: 'blockquote_start' + }); + + cap = cap[0].replace(/^ *> ?/gm, ''); + + // Pass `top` to keep the current + // "toplevel" state. This is exactly + // how markdown.pl works. + this.token(cap, top, true); + + this.tokens.push({ + type: 'blockquote_end' + }); + + continue; + } + + // list + if (cap = this.rules.list.exec(src)) { + src = src.substring(cap[0].length); + bull = cap[2]; + + this.tokens.push({ + type: 'list_start', + ordered: bull.length > 1 + }); + + // Get each top-level item. + cap = cap[0].match(this.rules.item); + + next = false; + l = cap.length; + i = 0; + + for (; i < l; i++) { + item = cap[i]; + + // Remove the list item's bullet + // so it is seen as the next token. + space = item.length; + item = item.replace(/^ *([*+-]|\d+\.) +/, ''); + + // Outdent whatever the + // list item contains. Hacky. + if (~item.indexOf('\n ')) { + space -= item.length; + item = !this.options.pedantic + ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '') + : item.replace(/^ {1,4}/gm, ''); + } + + // Determine whether the next list item belongs here. + // Backpedal if it does not belong in this list. + if (this.options.smartLists && i !== l - 1) { + b = block.bullet.exec(cap[i + 1])[0]; + if (bull !== b && !(bull.length > 1 && b.length > 1)) { + src = cap.slice(i + 1).join('\n') + src; + i = l - 1; + } + } + + // Determine whether item is loose or not. + // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/ + // for discount behavior. + loose = next || /\n\n(?!\s*$)/.test(item); + if (i !== l - 1) { + next = item.charAt(item.length - 1) === '\n'; + if (!loose) loose = next; + } + + this.tokens.push({ + type: loose + ? 'loose_item_start' + : 'list_item_start' + }); + + // Recurse. + this.token(item, false, bq); + + this.tokens.push({ + type: 'list_item_end' + }); + } + + this.tokens.push({ + type: 'list_end' + }); + + continue; + } + + // html + if (cap = this.rules.html.exec(src)) { + src = src.substring(cap[0].length); + this.tokens.push({ + type: this.options.sanitize + ? 'paragraph' + : 'html', + pre: !this.options.sanitizer + && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'), + text: cap[0] + }); + continue; + } + + // def + if ((!bq && top) && (cap = this.rules.def.exec(src))) { + src = src.substring(cap[0].length); + this.tokens.links[cap[1].toLowerCase()] = { + href: cap[2], + title: cap[3] + }; + continue; + } + + // table (gfm) + if (top && (cap = this.rules.table.exec(src))) { + src = src.substring(cap[0].length); + + item = { + type: 'table', + header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */), + align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), + cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n') + }; + + for (i = 0; i < item.align.length; i++) { + if (/^ *-+: *$/.test(item.align[i])) { + item.align[i] = 'right'; + } else if (/^ *:-+: *$/.test(item.align[i])) { + item.align[i] = 'center'; + } else if (/^ *:-+ *$/.test(item.align[i])) { + item.align[i] = 'left'; + } else { + item.align[i] = null; + } + } + + for (i = 0; i < item.cells.length; i++) { + item.cells[i] = item.cells[i] + .replace(/^ *\| *| *\| *$/g, '') + .split(/ *\| */); + } + + this.tokens.push(item); + + continue; + } + + // top-level paragraph + if (top && (cap = this.rules.paragraph.exec(src))) { + src = src.substring(cap[0].length); + this.tokens.push({ + type: 'paragraph', + text: cap[1].charAt(cap[1].length - 1) === '\n' + ? cap[1].slice(0, -1) + : cap[1] + }); + continue; + } + + // text + if (cap = this.rules.text.exec(src)) { + // Top-level should never reach here. + src = src.substring(cap[0].length); + this.tokens.push({ + type: 'text', + text: cap[0] + }); + continue; + } + + if (src) { + throw new + Error('Infinite loop on byte: ' + src.charCodeAt(0)); + } + } + + return this.tokens; + }; + + /** + * Inline-Level Grammar + */ + + var inline = { + escape: /^\\([\\`*{}\[\]()#+\-.!_>])/, + autolink: /^<([^ >]+(@|:\/)[^ >]+)>/, + url: noop, + tag: /^|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/, + link: /^!?\[(inside)\]\(href\)/, + reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/, + nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/, + strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/, + em: /^\b_((?:[^_]|__)+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/, + code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/, + br: /^ {2,}\n(?!\s*$)/, + del: noop, + text: /^[\s\S]+?(?=[\\?(?:\s+['"]([\s\S]*?)['"])?\s*/; + + inline.link = replace(inline.link) + ('inside', inline._inside) + ('href', inline._href) + (); + + inline.reflink = replace(inline.reflink) + ('inside', inline._inside) + (); + + /** + * Normal Inline Grammar + */ + + inline.normal = merge({}, inline); + + /** + * Pedantic Inline Grammar + */ + + inline.pedantic = merge({}, inline.normal, { + strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/, + em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/ + }); + + /** + * GFM Inline Grammar + */ + + inline.gfm = merge({}, inline.normal, { + escape: replace(inline.escape)('])', '~|])')(), + url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/, + del: /^~~(?=\S)([\s\S]*?\S)~~/, + text: replace(inline.text) + (']|', '~]|') + ('|', '|https?://|') + () + }); + + /** + * GFM + Line Breaks Inline Grammar + */ + + inline.breaks = merge({}, inline.gfm, { + br: replace(inline.br)('{2,}', '*')(), + text: replace(inline.gfm.text)('{2,}', '*')() + }); + + /** + * Inline Lexer & Compiler + */ + + function InlineLexer(links, options) { + this.options = options || marked.defaults; + this.links = links; + this.rules = inline.normal; + this.renderer = this.options.renderer || new Renderer; + this.renderer.options = this.options; + + if (!this.links) { + throw new + Error('Tokens array requires a `links` property.'); + } + + if (this.options.gfm) { + if (this.options.breaks) { + this.rules = inline.breaks; + } else { + this.rules = inline.gfm; + } + } else if (this.options.pedantic) { + this.rules = inline.pedantic; + } + } + + /** + * Expose Inline Rules + */ + + InlineLexer.rules = inline; + + /** + * Static Lexing/Compiling Method + */ + + InlineLexer.output = function(src, links, options) { + var inline = new InlineLexer(links, options); + return inline.output(src); + }; + + /** + * Lexing/Compiling + */ + + InlineLexer.prototype.output = function(src) { + var out = '' + , link + , text + , href + , cap; + + while (src) { + // escape + if (cap = this.rules.escape.exec(src)) { + src = src.substring(cap[0].length); + out += cap[1]; + continue; + } + + // autolink + if (cap = this.rules.autolink.exec(src)) { + src = src.substring(cap[0].length); + if (cap[2] === '@') { + text = cap[1].charAt(6) === ':' + ? this.mangle(cap[1].substring(7)) + : this.mangle(cap[1]); + href = this.mangle('mailto:') + text; + } else { + text = escape(cap[1]); + href = text; + } + out += this.renderer.link(href, null, text); + continue; + } + + // url (gfm) + if (!this.inLink && (cap = this.rules.url.exec(src))) { + src = src.substring(cap[0].length); + text = escape(cap[1]); + href = text; + out += this.renderer.link(href, null, text); + continue; + } + + // tag + if (cap = this.rules.tag.exec(src)) { + if (!this.inLink && /^/i.test(cap[0])) { + this.inLink = false; + } + src = src.substring(cap[0].length); + out += this.options.sanitize + ? this.options.sanitizer + ? this.options.sanitizer(cap[0]) + : escape(cap[0]) + : cap[0] + continue; + } + + // link + if (cap = this.rules.link.exec(src)) { + src = src.substring(cap[0].length); + this.inLink = true; + out += this.outputLink(cap, { + href: cap[2], + title: cap[3] + }); + this.inLink = false; + continue; + } + + // reflink, nolink + if ((cap = this.rules.reflink.exec(src)) + || (cap = this.rules.nolink.exec(src))) { + src = src.substring(cap[0].length); + link = (cap[2] || cap[1]).replace(/\s+/g, ' '); + link = this.links[link.toLowerCase()]; + if (!link || !link.href) { + out += cap[0].charAt(0); + src = cap[0].substring(1) + src; + continue; + } + this.inLink = true; + out += this.outputLink(cap, link); + this.inLink = false; + continue; + } + + // strong + if (cap = this.rules.strong.exec(src)) { + src = src.substring(cap[0].length); + out += this.renderer.strong(this.output(cap[2] || cap[1])); + continue; + } + + // em + if (cap = this.rules.em.exec(src)) { + src = src.substring(cap[0].length); + out += this.renderer.em(this.output(cap[2] || cap[1])); + continue; + } + + // code + if (cap = this.rules.code.exec(src)) { + src = src.substring(cap[0].length); + out += this.renderer.codespan(escape(cap[2], true)); + continue; + } + + // br + if (cap = this.rules.br.exec(src)) { + src = src.substring(cap[0].length); + out += this.renderer.br(); + continue; + } + + // del (gfm) + if (cap = this.rules.del.exec(src)) { + src = src.substring(cap[0].length); + out += this.renderer.del(this.output(cap[1])); + continue; + } + + // text + if (cap = this.rules.text.exec(src)) { + src = src.substring(cap[0].length); + out += this.renderer.text(escape(this.smartypants(cap[0]))); + continue; + } + + if (src) { + throw new + Error('Infinite loop on byte: ' + src.charCodeAt(0)); + } + } + + return out; + }; + + /** + * Compile Link + */ + + InlineLexer.prototype.outputLink = function(cap, link) { + var href = escape(link.href) + , title = link.title ? escape(link.title) : null; + + return cap[0].charAt(0) !== '!' + ? this.renderer.link(href, title, this.output(cap[1])) + : this.renderer.image(href, title, escape(cap[1])); + }; + + /** + * Smartypants Transformations + */ + + InlineLexer.prototype.smartypants = function(text) { + if (!this.options.smartypants) return text; + return text + // em-dashes + .replace(/---/g, '\u2014') + // en-dashes + .replace(/--/g, '\u2013') + // opening singles + .replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018') + // closing singles & apostrophes + .replace(/'/g, '\u2019') + // opening doubles + .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c') + // closing doubles + .replace(/"/g, '\u201d') + // ellipses + .replace(/\.{3}/g, '\u2026'); + }; + + /** + * Mangle Links + */ + + InlineLexer.prototype.mangle = function(text) { + if (!this.options.mangle) return text; + var out = '' + , l = text.length + , i = 0 + , ch; + + for (; i < l; i++) { + ch = text.charCodeAt(i); + if (Math.random() > 0.5) { + ch = 'x' + ch.toString(16); + } + out += '&#' + ch + ';'; + } + + return out; + }; + + /** + * Renderer + */ + + function Renderer(options) { + this.options = options || {}; + } + + Renderer.prototype.code = function(code, lang, escaped) { + if (this.options.highlight) { + var out = this.options.highlight(code, lang); + if (out != null && out !== code) { + escaped = true; + code = out; + } + } + + if (!lang) { + return '
    '
    +	      + (escaped ? code : escape(code, true))
    +	      + '\n
    '; + } + + return '
    '
    +	    + (escaped ? code : escape(code, true))
    +	    + '\n
    \n'; + }; + + Renderer.prototype.blockquote = function(quote) { + return '
    \n' + quote + '
    \n'; + }; + + Renderer.prototype.html = function(html) { + return html; + }; + + Renderer.prototype.heading = function(text, level, raw) { + return '' + + text + + '\n'; + }; + + Renderer.prototype.hr = function() { + return this.options.xhtml ? '
    \n' : '
    \n'; + }; + + Renderer.prototype.list = function(body, ordered) { + var type = ordered ? 'ol' : 'ul'; + return '<' + type + '>\n' + body + '\n'; + }; + + Renderer.prototype.listitem = function(text) { + return '
  • ' + text + '
  • \n'; + }; + + Renderer.prototype.paragraph = function(text) { + return '

    ' + text + '

    \n'; + }; + + Renderer.prototype.table = function(header, body) { + return '\n' + + '\n' + + header + + '\n' + + '\n' + + body + + '\n' + + '
    \n'; + }; + + Renderer.prototype.tablerow = function(content) { + return '\n' + content + '\n'; + }; + + Renderer.prototype.tablecell = function(content, flags) { + var type = flags.header ? 'th' : 'td'; + var tag = flags.align + ? '<' + type + ' style="text-align:' + flags.align + '">' + : '<' + type + '>'; + return tag + content + '\n'; + }; + + // span level renderer + Renderer.prototype.strong = function(text) { + return '' + text + ''; + }; + + Renderer.prototype.em = function(text) { + return '' + text + ''; + }; + + Renderer.prototype.codespan = function(text) { + return '' + text + ''; + }; + + Renderer.prototype.br = function() { + return this.options.xhtml ? '
    ' : '
    '; + }; + + Renderer.prototype.del = function(text) { + return '' + text + ''; + }; + + Renderer.prototype.link = function(href, title, text) { + if (this.options.sanitize) { + try { + var prot = decodeURIComponent(unescape(href)) + .replace(/[^\w:]/g, '') + .toLowerCase(); + } catch (e) { + return ''; + } + if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0) { + return ''; + } + } + var out = '
    '; + return out; + }; + + Renderer.prototype.image = function(href, title, text) { + var out = '' + text + '' : '>'; + return out; + }; + + Renderer.prototype.text = function(text) { + return text; + }; + + /** + * Parsing & Compiling + */ + + function Parser(options) { + this.tokens = []; + this.token = null; + this.options = options || marked.defaults; + this.options.renderer = this.options.renderer || new Renderer; + this.renderer = this.options.renderer; + this.renderer.options = this.options; + } + + /** + * Static Parse Method + */ + + Parser.parse = function(src, options, renderer) { + var parser = new Parser(options, renderer); + return parser.parse(src); + }; + + /** + * Parse Loop + */ + + Parser.prototype.parse = function(src) { + this.inline = new InlineLexer(src.links, this.options, this.renderer); + this.tokens = src.reverse(); + + var out = ''; + while (this.next()) { + out += this.tok(); + } + + return out; + }; + + /** + * Next Token + */ + + Parser.prototype.next = function() { + return this.token = this.tokens.pop(); + }; + + /** + * Preview Next Token + */ + + Parser.prototype.peek = function() { + return this.tokens[this.tokens.length - 1] || 0; + }; + + /** + * Parse Text Tokens + */ + + Parser.prototype.parseText = function() { + var body = this.token.text; + + while (this.peek().type === 'text') { + body += '\n' + this.next().text; + } + + return this.inline.output(body); + }; + + /** + * Parse Current Token + */ + + Parser.prototype.tok = function() { + switch (this.token.type) { + case 'space': { + return ''; + } + case 'hr': { + return this.renderer.hr(); + } + case 'heading': { + return this.renderer.heading( + this.inline.output(this.token.text), + this.token.depth, + this.token.text); + } + case 'code': { + return this.renderer.code(this.token.text, + this.token.lang, + this.token.escaped); + } + case 'table': { + var header = '' + , body = '' + , i + , row + , cell + , flags + , j; + + // header + cell = ''; + for (i = 0; i < this.token.header.length; i++) { + flags = { header: true, align: this.token.align[i] }; + cell += this.renderer.tablecell( + this.inline.output(this.token.header[i]), + { header: true, align: this.token.align[i] } + ); + } + header += this.renderer.tablerow(cell); + + for (i = 0; i < this.token.cells.length; i++) { + row = this.token.cells[i]; + + cell = ''; + for (j = 0; j < row.length; j++) { + cell += this.renderer.tablecell( + this.inline.output(row[j]), + { header: false, align: this.token.align[j] } + ); + } + + body += this.renderer.tablerow(cell); + } + return this.renderer.table(header, body); + } + case 'blockquote_start': { + var body = ''; + + while (this.next().type !== 'blockquote_end') { + body += this.tok(); + } + + return this.renderer.blockquote(body); + } + case 'list_start': { + var body = '' + , ordered = this.token.ordered; + + while (this.next().type !== 'list_end') { + body += this.tok(); + } + + return this.renderer.list(body, ordered); + } + case 'list_item_start': { + var body = ''; + + while (this.next().type !== 'list_item_end') { + body += this.token.type === 'text' + ? this.parseText() + : this.tok(); + } + + return this.renderer.listitem(body); + } + case 'loose_item_start': { + var body = ''; + + while (this.next().type !== 'list_item_end') { + body += this.tok(); + } + + return this.renderer.listitem(body); + } + case 'html': { + var html = !this.token.pre && !this.options.pedantic + ? this.inline.output(this.token.text) + : this.token.text; + return this.renderer.html(html); + } + case 'paragraph': { + return this.renderer.paragraph(this.inline.output(this.token.text)); + } + case 'text': { + return this.renderer.paragraph(this.parseText()); + } + } + }; + + /** + * Helpers + */ + + function escape(html, encode) { + return html + .replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&') + .replace(//g, '>') + .replace(/"/g, '"') + .replace(/'/g, '''); + } + + function unescape(html) { + // explicitly match decimal, hex, and named HTML entities + return html.replace(/&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/g, function(_, n) { + n = n.toLowerCase(); + if (n === 'colon') return ':'; + if (n.charAt(0) === '#') { + return n.charAt(1) === 'x' + ? String.fromCharCode(parseInt(n.substring(2), 16)) + : String.fromCharCode(+n.substring(1)); + } + return ''; + }); + } + + function replace(regex, opt) { + regex = regex.source; + opt = opt || ''; + return function self(name, val) { + if (!name) return new RegExp(regex, opt); + val = val.source || val; + val = val.replace(/(^|[^\[])\^/g, '$1'); + regex = regex.replace(name, val); + return self; + }; + } + + function noop() {} + noop.exec = noop; + + function merge(obj) { + var i = 1 + , target + , key; + + for (; i < arguments.length; i++) { + target = arguments[i]; + for (key in target) { + if (Object.prototype.hasOwnProperty.call(target, key)) { + obj[key] = target[key]; + } + } + } + + return obj; + } + + + /** + * Marked + */ + + function marked(src, opt, callback) { + if (callback || typeof opt === 'function') { + if (!callback) { + callback = opt; + opt = null; + } + + opt = merge({}, marked.defaults, opt || {}); + + var highlight = opt.highlight + , tokens + , pending + , i = 0; + + try { + tokens = Lexer.lex(src, opt) + } catch (e) { + return callback(e); + } + + pending = tokens.length; + + var done = function(err) { + if (err) { + opt.highlight = highlight; + return callback(err); + } + + var out; + + try { + out = Parser.parse(tokens, opt); + } catch (e) { + err = e; + } + + opt.highlight = highlight; + + return err + ? callback(err) + : callback(null, out); + }; + + if (!highlight || highlight.length < 3) { + return done(); + } + + delete opt.highlight; + + if (!pending) return done(); + + for (; i < tokens.length; i++) { + (function(token) { + if (token.type !== 'code') { + return --pending || done(); + } + return highlight(token.text, token.lang, function(err, code) { + if (err) return done(err); + if (code == null || code === token.text) { + return --pending || done(); + } + token.text = code; + token.escaped = true; + --pending || done(); + }); + })(tokens[i]); + } + + return; + } + try { + if (opt) opt = merge({}, marked.defaults, opt); + return Parser.parse(Lexer.lex(src, opt), opt); + } catch (e) { + e.message += '\nPlease report this to https://github.com/chjj/marked.'; + if ((opt || marked.defaults).silent) { + return '

    An error occured:

    '
    +	        + escape(e.message + '', true)
    +	        + '
    '; + } + throw e; + } + } + + /** + * Options + */ + + marked.options = + marked.setOptions = function(opt) { + merge(marked.defaults, opt); + return marked; + }; + + marked.defaults = { + gfm: true, + tables: true, + breaks: false, + pedantic: false, + sanitize: false, + sanitizer: null, + mangle: true, + smartLists: false, + silent: false, + highlight: null, + langPrefix: 'lang-', + smartypants: false, + headerPrefix: '', + renderer: new Renderer, + xhtml: false + }; + + /** + * Expose + */ + + marked.Parser = Parser; + marked.parser = Parser.parse; + + marked.Renderer = Renderer; + + marked.Lexer = Lexer; + marked.lexer = Lexer.lex; + + marked.InlineLexer = InlineLexer; + marked.inlineLexer = InlineLexer.output; + + marked.parse = marked; + + if (true) { + module.exports = marked; + } else if (typeof define === 'function' && define.amd) { + define(function() { return marked; }); + } else { + this.marked = marked; + } + + }).call(function() { + return this || (typeof window !== 'undefined' ? window : global); + }()); + + /* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()))) + +/***/ }, +/* 181 */ +/***/ function(module, exports, __webpack_require__) { + + var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*! + * jQuery JavaScript Library v2.2.4 + * http://jquery.com/ + * + * Includes Sizzle.js + * http://sizzlejs.com/ + * + * Copyright jQuery Foundation and other contributors + * Released under the MIT license + * http://jquery.org/license + * + * Date: 2016-05-20T17:23Z + */ + + (function( global, factory ) { + + if ( typeof module === "object" && typeof module.exports === "object" ) { + // For CommonJS and CommonJS-like environments where a proper `window` + // is present, execute the factory and get jQuery. + // For environments that do not have a `window` with a `document` + // (such as Node.js), expose a factory as module.exports. + // This accentuates the need for the creation of a real `window`. + // e.g. var jQuery = require("jquery")(window); + // See ticket #14549 for more info. + module.exports = global.document ? + factory( global, true ) : + function( w ) { + if ( !w.document ) { + throw new Error( "jQuery requires a window with a document" ); + } + return factory( w ); + }; + } else { + factory( global ); + } + + // Pass this if window is not defined yet + }(typeof window !== "undefined" ? window : this, function( window, noGlobal ) { + + // Support: Firefox 18+ + // Can't be in strict mode, several libs including ASP.NET trace + // the stack via arguments.caller.callee and Firefox dies if + // you try to trace through "use strict" call chains. (#13335) + //"use strict"; + var arr = []; + + var document = window.document; + + var slice = arr.slice; + + var concat = arr.concat; + + var push = arr.push; + + var indexOf = arr.indexOf; + + var class2type = {}; + + var toString = class2type.toString; + + var hasOwn = class2type.hasOwnProperty; + + var support = {}; + + + + var + version = "2.2.4", + + // Define a local copy of jQuery + jQuery = function( selector, context ) { + + // The jQuery object is actually just the init constructor 'enhanced' + // Need init if jQuery is called (just allow error to be thrown if not included) + return new jQuery.fn.init( selector, context ); + }, + + // Support: Android<4.1 + // Make sure we trim BOM and NBSP + rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, + + // Matches dashed string for camelizing + rmsPrefix = /^-ms-/, + rdashAlpha = /-([\da-z])/gi, + + // Used by jQuery.camelCase as callback to replace() + fcamelCase = function( all, letter ) { + return letter.toUpperCase(); + }; + + jQuery.fn = jQuery.prototype = { + + // The current version of jQuery being used + jquery: version, + + constructor: jQuery, + + // Start with an empty selector + selector: "", + + // The default length of a jQuery object is 0 + length: 0, + + toArray: function() { + return slice.call( this ); + }, + + // Get the Nth element in the matched element set OR + // Get the whole matched element set as a clean array + get: function( num ) { + return num != null ? + + // Return just the one element from the set + ( num < 0 ? this[ num + this.length ] : this[ num ] ) : + + // Return all the elements in a clean array + slice.call( this ); + }, + + // Take an array of elements and push it onto the stack + // (returning the new matched element set) + pushStack: function( elems ) { + + // Build a new jQuery matched element set + var ret = jQuery.merge( this.constructor(), elems ); + + // Add the old object onto the stack (as a reference) + ret.prevObject = this; + ret.context = this.context; + + // Return the newly-formed element set + return ret; + }, + + // Execute a callback for every element in the matched set. + each: function( callback ) { + return jQuery.each( this, callback ); + }, + + map: function( callback ) { + return this.pushStack( jQuery.map( this, function( elem, i ) { + return callback.call( elem, i, elem ); + } ) ); + }, + + slice: function() { + return this.pushStack( slice.apply( this, arguments ) ); + }, + + first: function() { + return this.eq( 0 ); + }, + + last: function() { + return this.eq( -1 ); + }, + + eq: function( i ) { + var len = this.length, + j = +i + ( i < 0 ? len : 0 ); + return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); + }, + + end: function() { + return this.prevObject || this.constructor(); + }, + + // For internal use only. + // Behaves like an Array's method, not like a jQuery method. + push: push, + sort: arr.sort, + splice: arr.splice + }; + + jQuery.extend = jQuery.fn.extend = function() { + var options, name, src, copy, copyIsArray, clone, + target = arguments[ 0 ] || {}, + i = 1, + length = arguments.length, + deep = false; + + // Handle a deep copy situation + if ( typeof target === "boolean" ) { + deep = target; + + // Skip the boolean and the target + target = arguments[ i ] || {}; + i++; + } + + // Handle case when target is a string or something (possible in deep copy) + if ( typeof target !== "object" && !jQuery.isFunction( target ) ) { + target = {}; + } + + // Extend jQuery itself if only one argument is passed + if ( i === length ) { + target = this; + i--; + } + + for ( ; i < length; i++ ) { + + // Only deal with non-null/undefined values + if ( ( options = arguments[ i ] ) != null ) { + + // Extend the base object + for ( name in options ) { + src = target[ name ]; + copy = options[ name ]; + + // Prevent never-ending loop + if ( target === copy ) { + continue; + } + + // Recurse if we're merging plain objects or arrays + if ( deep && copy && ( jQuery.isPlainObject( copy ) || + ( copyIsArray = jQuery.isArray( copy ) ) ) ) { + + if ( copyIsArray ) { + copyIsArray = false; + clone = src && jQuery.isArray( src ) ? src : []; + } else { clone = src && jQuery.isPlainObject( src ) ? src : {}; } @@ -24848,13 +41854,14 @@ isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse, + isSimulated: false, preventDefault: function() { var e = this.originalEvent; this.isDefaultPrevented = returnTrue; - if ( e ) { + if ( e && !this.isSimulated ) { e.preventDefault(); } }, @@ -24863,7 +41870,7 @@ this.isPropagationStopped = returnTrue; - if ( e ) { + if ( e && !this.isSimulated ) { e.stopPropagation(); } }, @@ -24872,7 +41879,7 @@ this.isImmediatePropagationStopped = returnTrue; - if ( e ) { + if ( e && !this.isSimulated ) { e.stopImmediatePropagation(); } @@ -25803,19 +42810,6 @@ styles = getStyles( elem ), isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box"; - // Support: IE11 only - // In IE 11 fullscreen elements inside of an iframe have - // 100x too small dimensions (gh-1764). - if ( document.msFullscreenElement && window.top !== window ) { - - // Support: IE11 only - // Running getBoundingClientRect on a disconnected node - // in IE throws an error. - if ( elem.getClientRects().length ) { - val = Math.round( elem.getBoundingClientRect()[ name ] * 100 ); - } - } - // Some non-html elements return undefined for offsetWidth, so check for null/undefined // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285 // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668 @@ -27706,6 +44700,7 @@ }, // Piggyback on a donor event to simulate a different one + // Used only for `focus(in | out)` events simulate: function( type, elem, event ) { var e = jQuery.extend( new jQuery.Event(), @@ -27713,27 +44708,10 @@ { type: type, isSimulated: true - - // Previously, `originalEvent: {}` was set here, so stopPropagation call - // would not be triggered on donor event, since in our own - // jQuery.event.stopPropagation function we had a check for existence of - // originalEvent.stopPropagation method, so, consequently it would be a noop. - // - // But now, this "simulate" function is used only for events - // for which stopPropagation() is noop, so there is no need for that anymore. - // - // For the 1.x branch though, guard for "click" and "submit" - // events is still used, but was moved to jQuery.event.stopPropagation function - // because `originalEvent` should point to the original event for the constancy - // with other events and for more focused logic } ); jQuery.event.trigger( e, null, elem ); - - if ( e.isDefaultPrevented() ) { - event.preventDefault(); - } } } ); @@ -29685,7 +46663,7 @@ /***/ }, -/* 163 */ +/* 182 */ /***/ function(module, exports, __webpack_require__) { var React = __webpack_require__(1); diff --git a/demo/dist/stylesheets/vendor.css b/demo/dist/stylesheets/vendor.css index bc07d437..d62f4d77 100644 --- a/demo/dist/stylesheets/vendor.css +++ b/demo/dist/stylesheets/vendor.css @@ -1,7 +1,7 @@ /** - * simplemde v1.10.1 + * simplemde v1.11.2 * Copyright Next Step Webs, Inc. * @link https://github.com/NextStepWebs/simplemde-markdown-editor * @license MIT */ -.CodeMirror{color:#000}.CodeMirror-lines{padding:4px 0}.CodeMirror pre{padding:0 4px}.CodeMirror-gutter-filler,.CodeMirror-scrollbar-filler{background-color:#fff}.CodeMirror-gutters{border-right:1px solid #ddd;background-color:#f7f7f7;white-space:nowrap}.CodeMirror-linenumber{padding:0 3px 0 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.cm-string{color:#183691}.CodeMirror .CodeMirror-selected{background:#d9d9d9}.CodeMirror .CodeMirror-code .cm-header-1{font-size:200%;line-height:200%}.CodeMirror .CodeMirror-code .cm-header-2{font-size:160%;line-height:160%}.CodeMirror .CodeMirror-code .cm-header-3{font-size:125%;line-height:125%}.CodeMirror .CodeMirror-code .cm-header-4{font-size:110%;line-height:110%}.CodeMirror .CodeMirror-code .cm-comment{background:rgba(0,0,0,.05);border-radius:2px}.CodeMirror .CodeMirror-code .cm-link{color:#7f8c8d}.CodeMirror .CodeMirror-code .cm-url{color:#aab2b3}.CodeMirror .CodeMirror-code .cm-strikethrough{text-decoration:line-through}.CodeMirror .CodeMirror-placeholder{opacity:.5}.CodeMirror .cm-spell-error:not(.cm-url):not(.cm-comment):not(.cm-tag):not(.cm-word){background:rgba(255,0,0,.15)} \ No newline at end of file diff --git a/demo/webpack.config.js b/demo/webpack.config.js index fda43913..3d46b5da 100644 --- a/demo/webpack.config.js +++ b/demo/webpack.config.js @@ -4,12 +4,13 @@ module.exports = { path: __dirname, filename: "bundle.js" }, + node: { fs: 'empty' }, module: { loaders: [ - { - test: /\.js$/, - exclude: /node_modules/, - loader: "babel", + { + test: /\.js$/, + exclude: /node_modules/, + loader: "babel", query: { presets:['react'] diff --git a/package.json b/package.json index b46f3ee8..03850365 100644 --- a/package.json +++ b/package.json @@ -8,7 +8,7 @@ "dependencies": { "jquery": "^2.1.4", "react": "^0.14.2", - "simplemde": "^1.8.1" + "simplemde": "^1.11.2" }, "main": "src/index.js", "devDependencies": { diff --git a/src/index.js b/src/index.js index 597a5a07..688edc80 100644 --- a/src/index.js +++ b/src/index.js @@ -1,7 +1,5 @@ const React = require('react'); -// not ideal, but doesn't properly load codemirror -// currently looking for a better solution -const SimpleMDE = require('simplemde/dist/simplemde.min'); +const SimpleMDE = require('simplemde'); const $ = require('jquery'); let state = {