Include CodeMirror for proper markdown editing.

_includes/vendor/codemirror/markdown.js

@@ -0,0 +1,245 @@
+CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
+
+  var htmlMode = CodeMirror.getMode(cmCfg, { name: 'xml', htmlMode: true });
+
+  var header   = 'header'
+  ,   code     = 'comment'
+  ,   quote    = 'quote'
+  ,   list     = 'string'
+  ,   hr       = 'hr'
+  ,   linktext = 'link'
+  ,   linkhref = 'string'
+  ,   em       = 'em'
+  ,   strong   = 'strong'
+  ,   emstrong = 'emstrong';
+
+  var hrRE = /^([*\-=_])(?:\s*\1){2,}\s*$/
+  ,   ulRE = /^[*\-+]\s+/
+  ,   olRE = /^[0-9]+\.\s+/
+  ,   headerRE = /^(?:\={3,}|-{3,})$/
+  ,   textRE = /^[^\[*_\\<>`]+/;
+
+  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);
+  }
+
+
+  // Blocks
+
+  function blankLine(state) {
+    // Reset EM state
+    state.em = false;
+    // Reset STRONG state
+    state.strong = false;
+    return null;
+  }
+
+  function blockNormal(stream, state) {
+    var match;
+    if (state.indentationDiff >= 4) {
+      state.indentation -= state.indentationDiff;
+      stream.skipToEnd();
+      return code;
+    } else if (stream.eatSpace()) {
+      return null;
+    } else if (stream.peek() === '#' || stream.match(headerRE)) {
+      state.header = true;
+    } else if (stream.eat('>')) {
+      state.indentation++;
+      state.quote = true;
+    } else if (stream.peek() === '[') {
+      return switchInline(stream, state, footnoteLink);
+    } else if (stream.match(hrRE, true)) {
+      return hr;
+    } else if (match = stream.match(ulRE, true) || stream.match(olRE, true)) {
+      state.indentation += match[0].length;
+      return list;
+    }
+
+    return switchInline(stream, state, state.inline);
+  }
+
+  function htmlBlock(stream, state) {
+    var style = htmlMode.token(stream, state.htmlState);
+    if (style === 'tag' && state.htmlState.type !== 'openTag' && !state.htmlState.context) {
+      state.f = inlineNormal;
+      state.block = blockNormal;
+    }
+    return style;
+  }
+
+
+  // Inline
+  function getType(state) {
+    var styles = [];
+
+    if (state.strong) { styles.push(state.em ? emstrong : strong); }
+    else if (state.em) { styles.push(em); }
+
+    if (state.header) { styles.push(header); }
+    if (state.quote) { styles.push(quote); }
+
+    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;
+
+    var ch = stream.next();
+
+    if (ch === '\\') {
+      stream.next();
+      return getType(state);
+    }
+    if (ch === '`') {
+      return switchInline(stream, state, inlineElement(code, '`'));
+    }
+    if (ch === '[') {
+      return switchInline(stream, state, linkText);
+    }
+    if (ch === '<' && stream.match(/^\w/, false)) {
+      stream.backUp(1);
+      return switchBlock(stream, state, htmlBlock);
+    }
+
+    var t = getType(state);
+    if (ch === '*' || ch === '_') {
+      if (stream.eat(ch)) {
+        return (state.strong = !state.strong) ? getType(state) : t;
+      }
+      return (state.em = !state.em) ? getType(state) : t;
+    }
+
+    return getType(state);
+  }
+
+  function linkText(stream, state) {
+    while (!stream.eol()) {
+      var ch = stream.next();
+      if (ch === '\\') stream.next();
+      if (ch === ']') {
+        state.inline = state.f = linkHref;
+        return linktext;
+      }
+    }
+    return linktext;
+  }
+
+  function linkHref(stream, state) {
+    stream.eatSpace();
+    var ch = stream.next();
+    if (ch === '(' || ch === '[') {
+      return switchInline(stream, state, inlineElement(linkhref, ch === '(' ? ')' : ']'));
+    }
+    return 'error';
+  }
+
+  function footnoteLink(stream, state) {
+    if (stream.match(/^[^\]]*\]:/, true)) {
+      state.f = footnoteUrl;
+      return linktext;
+    }
+    return switchInline(stream, state, inlineNormal);
+  }
+
+  function footnoteUrl(stream, state) {
+    stream.eatSpace();
+    stream.match(/^[^\s]+/, true);
+    state.f = state.inline = inlineNormal;
+    return linkhref;
+  }
+
+  function inlineRE(endChar) {
+    if (!inlineRE[endChar]) {
+      // match any not-escaped-non-endChar and any escaped char
+      // then match endChar or eol
+      inlineRE[endChar] = new RegExp('^(?:[^\\\\\\' + endChar + ']|\\\\.)*(?:\\' + endChar + '|$)');
+    }
+    return inlineRE[endChar];
+  }
+
+  function inlineElement(type, endChar, next) {
+    next = next || inlineNormal;
+    return function(stream, state) {
+      stream.match(inlineRE(endChar));
+      state.inline = state.f = next;
+      return type;
+    };
+  }
+
+  return {
+    startState: function() {
+      return {
+        f: blockNormal,
+
+        block: blockNormal,
+        htmlState: htmlMode.startState(),
+        indentation: 0,
+
+        inline: inlineNormal,
+        text: handleText,
+        em: false,
+        strong: false,
+        header: false,
+        quote: false
+      };
+    },
+
+    copyState: function(s) {
+      return {
+        f: s.f,
+
+        block: s.block,
+        htmlState: CodeMirror.copyState(htmlMode, s.htmlState),
+        indentation: s.indentation,
+
+        inline: s.inline,
+        text: s.text,
+        em: s.em,
+        strong: s.strong,
+        header: s.header,
+        quote: s.quote
+      };
+    },
+
+    token: function(stream, state) {
+      if (stream.sol()) {
+        if (stream.match(/^\s*$/, true)) { return blankLine(state); }
+
+        // Reset state.header
+        state.header = false;
+        // Reset state.quote
+        state.quote = false;
+
+        state.f = state.block;
+        var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, '    ').length;
+        state.indentationDiff = indentation - state.indentation;
+        state.indentation = indentation;
+        if (indentation > 0) { return null; }
+      }
+      return state.f(stream, state);
+    },
+
+    blankLine: blankLine,
+
+    getType: getType
+  };
+
+});
+
+CodeMirror.defineMIME("text/x-markdown", "markdown");