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xhtml.js
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xhtml.js
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// XHTML library
// Adds functions innerXHTML(el) and outerXHTML(el),
// and, where supported (Firefox, Safari), adds
// .innerXHTML() and .outerXHTML() to element prototypes
//
// Version: 0.3
//
// Author: Jon Davis <jon@jondavis.net>
// Please contact the author for feedback.
//
// This script is licensed. To view the license and for
// more information, visit:
// http://github.com/stimpy77/xhtml.js/LICENSE
if (!window.xhtmljs) {
window.xhtmljs = {
innerXHTML: function (el, strict) {
if (!el) return "";
var e;
var ret = '';
for (e=0; e<el.childNodes.length; e++) {
var childNode = el.childNodes.item(e);
ret += window.xhtmljs.outerXHTML(childNode, strict);
if (xhtmlFormatting == "formatted" &&
!childNode.tagName &&
e < el.childNodes.length - 1 &&
el.childNodes[e+1].tagName &&
window.xhtmljs.tagIsLineBreaking(el.childNodes[e+1].tagName)) {
ret += "\n";
}
}
return ret.replace(/\s*\n\s*\n/g, '\n');
},
outerXHTML: function (el, strict, tab) {
var tagName = el.tagName;
var attributes = el.attributes;
var childNodes = el.childNodes;
var supportsInlineTerminator = true;
if (tagName) {
switch(tagName.toLowerCase()) {
case "script":
case "link":
supportsInlineTerminator = false;
break;
default:
supportsInlineTerminator = true;
break;
}
}
var ret = "";
var t;
if (!tab) tab = 0;
for (t=0; t<tab; t++) {
ret += "\t";
}
ret += "<";
if (tagName) {
if (!strict || window.xhtmljs.tagInXhtml(tagName.toLowerCase())) {
var i;
ret += tagName.toLowerCase();
//debugger;
if (attributes) {
var styleTagUsed = false;
for (i = 0; i < attributes.length; i++) {
var attribName = attributes.item(i).nodeName;
var attribValue = attributes.item(i).value;
if (attribName == "href") {
//debugger;
}
if (attribValue != null &&
attribValue != "null" &&
attribValue.trim() != "" &&
attribValue != "inherit" &&
(!strict || window.xhtmljs.attribInXhtml(tagName.toLowerCase(), attribName.toLowerCase(), attribValue))) {
if (attribName.toLowerCase() == "style") {
styleTagUsed = true;
}
ret += " " + attribName.toLowerCase() +
"=\"" +
window.xhtmljs.xmlEncode(attribValue) +
"\"";
}
}
if (!styleTagUsed && (!strict || window.xhtmljs.attribInXhtml(tagName.toLowerCase(), "style")) &&
el.style.cssText) {
var styleText = el.style.cssText;
var altStyleText = "";
var styleElements = styleText.split(/\;/);
for (s = 0; s < styleElements.length; s++) {
var styleElement = styleElements[s].split(/:/);
if (styleElement.length == 2) {
altStyleText += styleElement[0].toLowerCase() +
":" +
styleElement[1] +
";";
}
}
ret += " style=\"" + altStyleText + "\"";
}
}
}
if (childNodes && childNodes.length > 0) {
ret += ">";
ret = ret.replace(/<>/, '').replace(/< \/>/, '');
var childTags = false;
var prevWasTag = false;
for (i=0; i<childNodes.length; i++) {
var tabv = tab+1;
var cv = "";
if (!childNodes.item(i).tagName) {
tabv = null;
} else {
if (xhtmlFormatting == "formatted" &&
childNodes.item(i).childNodes &&
childNodes.item(i).childNodes.length > 0){
cv = "\n";
childTags = true;
} else {
tabv = null;
}
}
cv += window.xhtmljs.outerXHTML(childNodes.item(i), strict, tabv);
if (xhtmlFormatting == "formatted" &&
cv.substr(0, 1) == "<" && prevWasTag) {
ret += "\n";
}
ret += cv;
if (xhtmlFormatting == "formatted" && (
childNodes.item(i).tagName != undefined &&
childNodes.item(i).tagName.toString() != "") &&
window.xhtmljs.tagIsLineBreaking(childNodes.item(i).tagName)) {
ret += "\n";
var t;
for (t=0; t<tab; t++) {
ret += "\t";
}
}
prevWasTag = (childNodes.item(i).tagName != undefined);
}
if (xhtmlFormatting == "formatted" && childTags) {
ret += "\n";
for (i=0; i<tab;i++) {
ret += "\t";
}
}
// don't put end tag if there was no start tag!
if (!strict || window.xhtmljs.tagInXhtml(tagName.toLowerCase())) {
ret += "</" + tagName.toLowerCase() + ">";
}
} else {
if (supportsInlineTerminator) {
ret += " />";
} else {
ret += ">";
if (xhtmlFormatting == "formatted") {
ret += "\n";
for (i=0; i<tab;i++) {
ret += "\t";
}
}
ret += "</" + tagName.toLowerCase() + ">";
}
}
if (xhtmlFormatting == "formatted" && tagName &&
tagName.toLowerCase() != "br" && window.xhtmljs.tagIsLineBreaking(tagName)) {
ret += "\n";
for (i=0; i<tab;i++) {
ret += "\t";
}
}
ret = ret.replace(/<>/, '').replace(/< \/>/, '');
return ret.replace(/\s*\n(\t*)\s*\n/g, '\n$1');
} else {
// text
if (el.nodeValue) {
if (el.nodeType && el.nodeType == 8) {
return "<!--" + el.nodeValue.trim() + "-->";
} else {
return el.nodeValue.trim()
.replace(/&/g, '&')
.replace(/</g, '<')
.replace(/>/g, '>');
}
} else {
//debugger;
if (el.toString().indexOf("[object") != 0) {
return el.toString().trim()
.replace(/&/g, '&')
.replace(/</g, '<')
.replace(/>/g, '>');
} else {
return "";
}
}
}
},
xmlAttributeEncode: function (str) { // todo
return xmlEncode(str);
},
xmlEncode: function (str) { // todo
return str.replace(/&/g, "&").replace(/\"/g, """);
},
tagIsLineBreaking: function (tagName) {
if (!tagName) return false;
switch (tagName.toLowerCase()) {
case "h1":
case "h2":
case "h3":
case "h4":
case "h5":
case "h6":
case "br":
case "p":
case "div":
case "table":
case "blockquote":
case "ul":
case "ol":
return true;
}
},
tagInXhtml: function (tag) {
switch(tag) {
case "DOCTYPE":
case "doctype": // DOCTYPE
case "html":
case "head":
case "base":
case "meta":
case "title":
case "script":
case "style":
case "link":
case "body":
case "iframe":
case "frameset":
case "frame":
case "a":
case "abbr":
case "acronym":
case "area":
case "b":
case "bdo":
case "big":
case "blockquote":
case "br":
case "button":
case "caption":
/*
case "center":
*/
case "cite":
case "code":
case "col":
case "colgroup":
case "dd":
case "del":
case "dfn":
case "div":
case "dl":
case "dt":
case "em":
case "fieldset":
/*
case "font":
*/
case "form":
case "h1":
case "h2":
case "h3":
case "h4":
case "h5":
case "h6":
case "hr":
case "i":
case "iframe":
case "img":
case "input":
case "ins":
case "kbd":
case "label":
case "legend":
case "li":
case "map":
case "noscript":
case "object":
case "option":
case "optgroup":
case "ol":
case "p":
case "param":
case "pre":
case "q":
case "samp":
case "select":
case "script":
case "span":
case "small":
case "strong":
case "sub":
case "sup":
case "table":
case "tbody":
case "td":
case "textarea":
case "tfoot":
case "th":
case "thead":
case "tr":
case "tt":
case "u":
case "ul":
case "var":
return true;
default:
return false;
}
},
attribInXhtml: function (tag, attrib, value) {
switch (attrib) {
// core attributes
case "id":
case "class":
case "style":
case "title":
return window.xhtmljs.tagInXhtml(tag);
// event attributes
case "onclick":
case "ondblclick":
case "onmousedown":
case "onmouseup":
case "onmouseover":
case "onmousemove":
case "onmouseout":
case "onkeydown":
case "onkeypress":
case "onkeyup":
return window.xhtmljs.tagInXhtml(tag);
// language attributes
case "lang":
return window.xhtmljs.tagInXhtml(tag);
case "dir":
switch (value) {
case "ltr":
case "rtl":
return window.xhtmljs.tagInXhtml(tag);
default:
return false;
}
break;
// keyboard attributes
case "accesskey":
case "tabindex":
if (value == "0") return false;
switch (tag) {
case "br":
return false;
default:
return window.xhtmljs.tagInXhtml(tag);
}
}
switch(tag) {
case "abbr":
case "acronym":
case "address":
case "b":
case "big":
case "body":
case "br":
case "cite":
case "code":
case "dd":
case "dfn":
case "div":
case "dl":
case "DOCTYPE":
case "doctype":
case "dt":
case "em":
case "fieldset":
case "h1":
case "h2":
case "h3":
case "h4":
case "h5":
case "h6":
case "i":
case "kbd":
case "li":
case "noscript":
case "ol":
case "p":
case "pre":
case "samp":
case "small":
case "span":
case "strong":
case "sub":
case "sup":
case "title":
case "tt":
case "u":
case "ul":
case "var":
return false;
case "a":
switch (attrib) {
case "accesskey":
case "charset":
case "coords":
case "href":
case "hreflang":
case "name":
case "rel":
case "rev":
case "shape":
case "tabindex":
case "target":
case "type":
return true;
default:
return false;
}
case "area":
switch (attrib) {
case "shape":
switch (value) {
case "rect":
case "circle":
case "poly":
case "default":
return true;
default:
return false;
}
case "alt":
case "coords":
case "href":
case "nohref":
case "target":
case "accesskey":
case "tabindex":
return true;
default:
return false;
}
case "base":
switch (attrib) {
case "href":
return true;
default:
return false;
}
case "bdo":
switch (attrib) {
case "dir":
switch (value) {
case "href":
return true;
default:
return false;
}
case "xml:lang":
case "lang":
return true;
default:
return false;
}
case "blockquote":
switch (attrib) {
case "cite":
return true;
default:
return false;
}
case "button":
switch (attrib) {
case "disabled":
return value == "disabled";
case "type":
switch (value) {
case "button":
case "submit":
case "reset":
return true;
default:
return false;
}
case "accesskey":
case "tabindex":
case "name":
case "value":
return true;
default:
return false;
}
case "col":
case "colgroup":
switch (attrib) {
case "align":
switch (value) {
case "left":
case "center":
case "right":
case "justify":
case "char":
return true;
default:
return false;
}
case "valign":
switch (value) {
case "top":
case "middle":
case "bottom":
case "baseline":
return true;
default:
return false;
}
case "char":
case "charoff":
case "span":
case "width":
return true;
default:
return false;
}
case "del":
switch (attrib) {
case "cite":
case "datetime":
return true;
default:
return false;
}
/*
case "font":
switch (attrib) {
case "color":
case "face":
case "size":
return true;
default:
return false;
}
*/
case "form":
switch (attrib) {
case "method":
switch (value) {
case "get":
case "post":
return true;
default:
return false;
}
case "action":
case "enctype":
case "accept":
case "accept-charset":
return true;
default:
return false;
}
case "head":
switch (attrib) {
case "profile":
case "dir":
case "xml:lang":
case "lang":
return true;
default:
return false;
}
case "html":
switch (attrib) {
case "dir":
case "xml:lang":
case "lang":
return true;
default:
return false;
}
case "hr":
/*
switch (attrib) {
case "align":
case "noshade":
case "size":
case "width":
return true;
default:
*/ return false;
/*
}
*/
case "iframe": // todo: remove xhtml-deprecated items
switch (attrib) {
case "align":
case "frameborder":
case "height":
case "width":
case "marginheight":
case "marginwidth":
case "name":
case "scrolling":
case "src":
return true;
default:
return false;
}
case "img":
switch (attrib) {
case "alt":
case "height":
case "width":
case "longdesc":
case "src":
/*
case "border":
case "hspace":
case "ismap":
case "align":
case "usemap":
case "vspace":
*/ return true;
default:
return false;
}
case "input":
switch (attrib) {
case "type":
switch (value) {
case "text":
case "password":
case "checkbox":
case "radio":
case "submit":
case "reset":
case "hidden":
case "image":
case "file":
case "button":
return true;
default:
return false;
}
case "checked":
return value == "checked";
case "disabled":
return value == "disabled";
case "readonly":
return value == "readonly";
case "name":
case "value":
case "maxlength":
case "src":
case "alt":
case "accept":
case "disabled":
case "readonly":
case "accesskey":
case "tabindex":
return true;
default:
return false;
}
case "ins":
switch (attrib) {
case "cite":
case "datetime":
return true;
default:
return false;
}
case "label":
switch (attrib) {
case "for":
case "accesskey":
return true;
default:
return false;
}
case "label":
switch (attrib) {
case "legend":
return true;
default:
return false;
}
case "li":
/*
switch (attrib) {
case "type":
case "value":
return true;
default:
*/
return false;
/*
}
*/
case "link":
switch (attrib) {
case "media":
switch (value) {
case "screen":
case "print":
case "projection":
case "braille":
case "speech":
case "all":
return true;
default:
return false;
}
case "href":
case "charset":
case "hreflang":
case "type":
case "rel":
case "rev":
return true;
default:
return false;
}
case "map":
/*
switch (attrib) {
case "name":
return true;
default:
*/
return false;
/*
}
*/
case "meta":
switch (attrib) {
case "content":
case "name":
case "http-equiv":
case "scheme":
return true;
default:
return false;
}
/*
case "ol":
switch (attrib) {
case "compact":
case "start":
case "type":
return true;
default:
return false;
}
*/
case "optgroup":
switch (attrib) {
case "disabled":
return value == "disabled";
case "label":
return true;
default:
return false;
}
case "option":
switch (attrib) {
case "selected":
return value == "selected";
case "value":
return true;
default:
return false;
}
/*
case "p":
switch (attrib) {
case "align":
return true;
default:
return false;
}
*/
case "param":
switch (attrib) {
case "name":
case "value":
case "type":
case "valuetype":
return true;
default:
return false;
}
/*
case "pre":
switch (attrib) {
case "width":
return true;
default:
return false;
}
*/
case "q":
switch (attrib) {
case "cite":
return true;
default:
return false;
}
case "script":
switch (attrib) {
case "type":
case "src":
case "charset":
case "defer":
return true;
default:
return false;
}
case "select":
switch (attrib) {
case "multiple":
return value == "multiple";
case "disabled":
return value == "disabled";
case "name":
case "size":
case "tabindex":
return true;
default:
return false;
}
case "style":
switch (attrib) {
case "type":
case "media":
case "title":
case "dir":
case "xml:lang":
case "lang":
return true;
default:
return false;
}
case "table":
switch (attrib) {
/*
case "align":
case "bgcolor":
*/
case "border":
case "cellpadding":
case "cellspacing":
case "frame":
case "rules":
case "width":
case "summary":
return true;
default:
return false;
}
case "thead":
case "tbody":
case "tfoot":
case "tr":
switch (attrib) {
case "align":
switch (value) {
case "left":
case "center":
case "right":
case "justify":
case "char":
return true;
default:
return false;
}
case "valign":
switch (value) {
case "top":
case "middle":
case "bottom":
case "baseline":
return true;
default:
return false;
}
case "char":
case "charoff":
return true;
default:
return false;
}
case "td":
case "th":
switch (attrib) {
case "align":
switch (value) {
case "left":
case "center":
case "right":
case "justify":
case "char":
return true;
default:
return false;
}
case "valign":
switch (value) {
case "top":
case "middle":
case "bottom":
case "baseline":
return true;
default:
return false;
}
case "abbr":
case "axis":
case "char":
case "charoff":
case "colspan":
case "headers":
case "rowspan":
case "scope":
/*
case "nowrap":
case "width":
case "height":
case "bgcolor":
*/
return true;
default:
return false;
}
case "textarea":
switch (attrib) {
case "disabled":
return value == "disabled";
case "readonly":
return value == "readonly";
case "rows":
case "cols":
case "name":
case "accesskey":
case "tabindex":
return true;
default:
return false;
}
/*
case "ul":
switch (attrib) {
case "compact":
case "type":
return true;
default:
return false;
}
*/ default:
return false;
}
}
}
}
if (!window.xhtmlFormatting) {
window.xhtmlFormatting = "formatted";
}
if (String.prototype && !String.prototype.trim) {
String.prototype.trim = function() {
return this.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}
}