web/assets/libs/ckeditor/4.6.7/plugins/xml/plugin.js

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/**
 * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or http://ckeditor.com/license
 */

/**
 * @fileOverview Defines the {@link CKEDITOR.xml} class, which represents a
 *		loaded XML document.
 */

( function() {
	/* global ActiveXObject */
	CKEDITOR.plugins.add( 'xml', {} );

	/**
	 * Represents a loaded XML document.
	 *
	 *		var xml = new CKEDITOR.xml( '<books><book title="My Book" /></books>' );
	 *
	 * @class
	 * @constructor Creates xml class instance.
	 * @param {Object/String} xmlObjectOrData A native XML (DOM document) object or
	 * a string containing the XML definition to be loaded.
	 */
	CKEDITOR.xml = function( xmlObjectOrData ) {
		var baseXml = null;

		if ( typeof xmlObjectOrData == 'object' )
			baseXml = xmlObjectOrData;
		else {
			var data = ( xmlObjectOrData || '' ).replace( /&nbsp;/g, '\xA0' );

			// Check ActiveXObject before DOMParser, because IE10+ support both, but
			// there's no XPath support in DOMParser instance.
			// Also, the only check for ActiveXObject which still works in IE11+ is with `in` operator.
			if ( 'ActiveXObject' in window ) {
				try {
					baseXml = new ActiveXObject( 'MSXML2.DOMDocument' );
				} catch ( e ) {
					try {
						baseXml = new ActiveXObject( 'Microsoft.XmlDom' );
					} catch ( err ) {}
				}

				if ( baseXml ) {
					baseXml.async = false;
					baseXml.resolveExternals = false;
					baseXml.validateOnParse = false;
					baseXml.loadXML( data );
				}
			}
			else if ( window.DOMParser ) {
				baseXml = ( new DOMParser() ).parseFromString( data, 'text/xml' );
			}
		}

		/**
		 * The native XML (DOM document) used by the class instance.
		 *
		 * @property {Object}