--- /dev/null
+/*\r
+Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.\r
+For licensing, see LICENSE.html or http://ckeditor.com/license\r
+*/\r
+\r
+/**\r
+ * @fileOverview Defines the {@link CKEDITOR.xml} class, which represents a\r
+ * loaded XML document.\r
+ */\r
+\r
+/**\r
+ * Represents a loaded XML document.\r
+ * @constructor\r
+ * @param {object|string} xmlObjectOrData A native XML (DOM document) object or\r
+ * a string containing the XML definition to be loaded.\r
+ * @example\r
+ * var xml = <b>new CKEDITOR.xml( '<books><book title="My Book" /></books>' )</b>;\r
+ */\r
+CKEDITOR.xml = function( xmlObjectOrData )\r
+{\r
+ var baseXml = null;\r
+\r
+ if ( typeof xmlObjectOrData == 'object' )\r
+ baseXml = xmlObjectOrData;\r
+ else\r
+ {\r
+ var data = ( xmlObjectOrData || '' ).replace( / /g, '\xA0' );\r
+ if ( window.DOMParser )\r
+ baseXml = (new DOMParser()).parseFromString( data, 'text/xml' );\r
+ else if ( window.ActiveXObject )\r
+ {\r
+ try { baseXml = new ActiveXObject( 'MSXML2.DOMDocument' ); }\r
+ catch(e)\r
+ {\r
+ try { baseXml = new ActiveXObject( 'Microsoft.XmlDom' ); } catch(e) {}\r
+ }\r
+\r
+ if ( baseXml )\r
+ {\r
+ baseXml.async = false;\r
+ baseXml.resolveExternals = false;\r
+ baseXml.validateOnParse = false;\r
+ baseXml.loadXML( data );\r
+ }\r
+ }\r
+ }\r
+\r
+ /**\r
+ * The native XML (DOM document) used by the class instance.\r
+ * @type object\r
+ * @example\r
+ */\r
+ this.baseXml = baseXml;\r
+};\r
+\r
+CKEDITOR.xml.prototype =\r
+{\r
+ /**\r
+ * Get a single node from the XML document, based on a XPath query.\r
+ * @param {String} xpath The XPath query to execute.\r
+ * @param {Object} [contextNode] The XML DOM node to be used as the context\r
+ * for the XPath query. The document root is used by default.\r
+ * @returns {Object} A XML node element or null if the query has no results.\r
+ * @example\r
+ * // Create the XML instance.\r
+ * var xml = new CKEDITOR.xml( '<list><item id="test1" /><item id="test2" /></list>' );\r
+ * // Get the first <item> node.\r
+ * var itemNode = <b>xml.selectSingleNode( 'list/item' )</b>;\r
+ * // Alert "item".\r
+ * alert( itemNode.nodeName );\r
+ */\r
+ selectSingleNode : function( xpath, contextNode )\r
+ {\r
+ var baseXml = this.baseXml;\r
+\r
+ if ( contextNode || ( contextNode = baseXml ) )\r
+ {\r
+ if ( CKEDITOR.env.ie || contextNode.selectSingleNode ) // IE\r
+ return contextNode.selectSingleNode( xpath );\r
+ else if ( baseXml.evaluate ) // Others\r
+ {\r
+ var result = baseXml.evaluate( xpath, contextNode, null, 9, null);\r
+ return ( result && result.singleNodeValue ) || null;\r
+ }\r
+ }\r
+\r
+ return null;\r
+ },\r
+\r
+ /**\r
+ * Gets a list node from the XML document, based on a XPath query.\r
+ * @param {String} xpath The XPath query to execute.\r
+ * @param {Object} [contextNode] The XML DOM node to be used as the context\r
+ * for the XPath query. The document root is used by default.\r
+ * @returns {ArrayLike} An array containing all matched nodes. The array will\r
+ * be empty if the query has no results.\r
+ * @example\r
+ * // Create the XML instance.\r
+ * var xml = new CKEDITOR.xml( '<list><item id="test1" /><item id="test2" /></list>' );\r
+ * // Get the first <item> node.\r
+ * var itemNodes = xml.selectSingleNode( 'list/item' );\r
+ * // Alert "item" twice, one for each <item>.\r
+ * for ( var i = 0 ; i < itemNodes.length ; i++ )\r
+ * alert( itemNodes[i].nodeName );\r
+ */\r
+ selectNodes : function( xpath, contextNode )\r
+ {\r
+ var baseXml = this.baseXml,\r
+ nodes = [];\r
+\r
+ if ( contextNode || ( contextNode = baseXml ) )\r
+ {\r
+ if ( CKEDITOR.env.ie || contextNode.selectNodes ) // IE\r
+ return contextNode.selectNodes( xpath );\r
+ else if ( baseXml.evaluate ) // Others\r
+ {\r
+ var result = baseXml.evaluate( xpath, contextNode, null, 5, null);\r
+\r
+ if ( result )\r
+ {\r
+ var node;\r
+ while( ( node = result.iterateNext() ) )\r
+ nodes.push( node );\r
+ }\r
+ }\r
+ }\r
+\r
+ return nodes;\r
+ },\r
+\r
+ /**\r
+ * Gets the string representation of hte inner contents of a XML node,\r
+ * based on a XPath query.\r
+ * @param {String} xpath The XPath query to execute.\r
+ * @param {Object} [contextNode] The XML DOM node to be used as the context\r
+ * for the XPath query. The document root is used by default.\r
+ * @returns {String} The textual representation of the inner contents of\r
+ * the node or null if the query has no results.\r
+ * @example\r
+ * // Create the XML instance.\r
+ * var xml = new CKEDITOR.xml( '<list><item id="test1" /><item id="test2" /></list>' );\r
+ * // Alert "<item id="test1" /><item id="test2" />".\r
+ * alert( xml.getInnerXml( 'list' ) );\r
+ */\r
+ getInnerXml : function( xpath, contextNode )\r
+ {\r
+ var node = this.selectSingleNode( xpath, contextNode ),\r
+ xml = [];\r
+ if ( node )\r
+ {\r
+ node = node.firstChild;\r
+ while ( node )\r
+ {\r
+ if ( node.xml ) // IE\r
+ xml.push( node.xml );\r
+ else if ( window.XMLSerializer ) // Others\r
+ xml.push( ( new XMLSerializer() ).serializeToString( node ) );\r
+\r
+ node = node.nextSibling;\r
+ }\r
+ }\r
+\r
+ return xml.length ? xml.join( '' ) : null;\r
+ }\r
+};\r
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