ckeditor/_source/core/htmlparser.js

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/*
Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

/**
 * Creates a {@link CKEDITOR.htmlParser} class instance.
 * @class Provides an "event like" system to parse strings of HTML data.
 * @example
 * var parser = new CKEDITOR.htmlParser();
 * parser.onTagOpen = function( tagName, attributes, selfClosing )
 *     {
 *         alert( tagName );
 *     };
 * parser.parse( '<p>Some <b>text</b>.</p>' );
 */
CKEDITOR.htmlParser = function()
{
	this._ =
	{
		htmlPartsRegex : new RegExp( '<(?:(?:\\/([^>]+)>)|(?:!--([\\S|\\s]*?)-->)|(?:([^\\s>]+)\\s*((?:(?:"[^"]*")|(?:\'[^\']*\')|[^"\'>])*)\\/?>))', 'g' )
	};
};

(function()
{
	var attribsRegex	= /([\w\-:.]+)(?:(?:\s*=\s*(?:(?:"([^"]*)")|(?:'([^']*)')|([^\s>]+)))|(?=\s|$))/g,
		emptyAttribs	= {checked:1,compact:1,declare:1,defer:1,disabled:1,ismap:1,multiple:1,nohref:1,noresize:1,noshade:1,nowrap:1,readonly:1,selected:1};

	CKEDITOR.htmlParser.prototype =
	{
		/**
		 * Function to be fired when a tag opener is found. This function
		 * should be overriden when using this class.
		 * @param {String} tagName The tag name. The name is guarantted to be
		 *		lowercased.
		 * @param {Object} attributes An object containing all tag attributes. Each
		 *		property in this object represent and attribute name and its
		 *		value is the attribute value.
		 * @param {Boolean} selfClosing true if the tag closes itself, false if the
		 * 		tag doesn't.
		 * @example
		 * var parser = new CKEDITOR.htmlParser();
		 * parser.onTagOpen = function( tagName, attributes, selfClosing )
		 *     {
		 *         alert( tagName );  // e.g. "b"
		 *     });
		 * parser.parse( "&lt;!-- Example --&gt;&lt;b&gt;Hello&lt;/b&gt;" );
		 */
		onTagOpen	: function() {},

		/**
		 * Function to be fired when a tag closer is found. This function
		 * should be overriden when using this class.
		 * @param {String} tagName The tag name. The name is guarantted to be
		 *		lowercased.
		 * @example
		 * var parser = new CKEDITOR.htmlParser();
		 * parser.onTagClose = function( tagName )
		 *     {