648 lines
27 KiB
JavaScript
648 lines
27 KiB
JavaScript
/**
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* ====================================================================
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* About
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* ====================================================================
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* Sarissa is an ECMAScript library acting as a cross-browser wrapper for native XML APIs.
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* The library supports Gecko based browsers like Mozilla and Firefox,
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* Internet Explorer (5.5+ with MSXML3.0+), Konqueror, Safari and a little of Opera
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* @version 0.9.6.1
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* @author: Manos Batsis, mailto: mbatsis at users full stop sourceforge full stop net
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* ====================================================================
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* Licence
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* ====================================================================
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 or
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* the GNU Lesser General Public License version 2.1 as published by
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* the Free Software Foundation (your choice between the two).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License or GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* or GNU Lesser General Public License along with this program; if not,
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* write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* or visit http://www.gnu.org
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*
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*/
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/**
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* <p>Sarissa is a utility class. Provides "static" methods for DOMDocument and
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* XMLHTTP objects, DOM Node serializatrion to XML strings and other goodies.</p>
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* @constructor
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*/
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function Sarissa(){};
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/** @private */
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Sarissa.PARSED_OK = "Document contains no parsing errors";
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/**
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* Tells you whether transformNode and transformNodeToObject are available. This functionality
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* is contained in sarissa_ieemu_xslt.js and is deprecated. If you want to control XSLT transformations
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* use the XSLTProcessor
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* @deprecated
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* @type boolean
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*/
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Sarissa.IS_ENABLED_TRANSFORM_NODE = false;
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/**
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* tells you whether XMLHttpRequest (or equivalent) is available
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* @type boolean
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*/
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Sarissa.IS_ENABLED_XMLHTTP = false;
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/**
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* tells you whether selectNodes/selectSingleNode is available
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* @type boolean
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*/
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Sarissa.IS_ENABLED_SELECT_NODES = false;
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var _sarissa_iNsCounter = 0;
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var _SARISSA_IEPREFIX4XSLPARAM = "";
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var _SARISSA_HAS_DOM_IMPLEMENTATION = document.implementation && true;
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var _SARISSA_HAS_DOM_CREATE_DOCUMENT = _SARISSA_HAS_DOM_IMPLEMENTATION && document.implementation.createDocument;
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var _SARISSA_HAS_DOM_FEATURE = _SARISSA_HAS_DOM_IMPLEMENTATION && document.implementation.hasFeature;
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var _SARISSA_IS_MOZ = _SARISSA_HAS_DOM_CREATE_DOCUMENT && _SARISSA_HAS_DOM_FEATURE;
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var _SARISSA_IS_SAFARI = (navigator.userAgent && navigator.vendor && (navigator.userAgent.toLowerCase().indexOf("applewebkit") != -1 || navigator.vendor.indexOf("Apple") != -1));
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var _SARISSA_IS_IE = document.all && window.ActiveXObject && navigator.userAgent.toLowerCase().indexOf("msie") > -1 && navigator.userAgent.toLowerCase().indexOf("opera") == -1;
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if(!window.Node || !window.Node.ELEMENT_NODE){
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var Node = {ELEMENT_NODE: 1, ATTRIBUTE_NODE: 2, TEXT_NODE: 3, CDATA_SECTION_NODE: 4, ENTITY_REFERENCE_NODE: 5, ENTITY_NODE: 6, PROCESSING_INSTRUCTION_NODE: 7, COMMENT_NODE: 8, DOCUMENT_NODE: 9, DOCUMENT_TYPE_NODE: 10, DOCUMENT_FRAGMENT_NODE: 11, NOTATION_NODE: 12};
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};
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// IE initialization
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if(_SARISSA_IS_IE){
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// for XSLT parameter names, prefix needed by IE
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_SARISSA_IEPREFIX4XSLPARAM = "xsl:";
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// used to store the most recent ProgID available out of the above
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var _SARISSA_DOM_PROGID = "";
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var _SARISSA_XMLHTTP_PROGID = "";
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/**
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* Called when the Sarissa_xx.js file is parsed, to pick most recent
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* ProgIDs for IE, then gets destroyed.
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* @param idList an array of MSXML PROGIDs from which the most recent will be picked for a given object
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* @param enabledList an array of arrays where each array has two items; the index of the PROGID for which a certain feature is enabled
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*/
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pickRecentProgID = function (idList, enabledList){
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// found progID flag
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var bFound = false;
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for(var i=0; i < idList.length && !bFound; i++){
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try{
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var oDoc = new ActiveXObject(idList[i]);
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o2Store = idList[i];
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bFound = true;
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for(var j=0;j<enabledList.length;j++)
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if(i <= enabledList[j][1])
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Sarissa["IS_ENABLED_"+enabledList[j][0]] = true;
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}catch (objException){
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// trap; try next progID
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};
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};
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if (!bFound)
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throw "Could not retreive a valid progID of Class: " + idList[idList.length-1]+". (original exception: "+e+")";
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idList = null;
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return o2Store;
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};
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// pick best available MSXML progIDs
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_SARISSA_DOM_PROGID = pickRecentProgID(["Msxml2.DOMDocument.5.0", "Msxml2.DOMDocument.4.0", "Msxml2.DOMDocument.3.0", "MSXML2.DOMDocument", "MSXML.DOMDocument", "Microsoft.XMLDOM"], [["SELECT_NODES", 2],["TRANSFORM_NODE", 2]]);
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_SARISSA_XMLHTTP_PROGID = pickRecentProgID(["Msxml2.XMLHTTP.5.0", "Msxml2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"], [["XMLHTTP", 4]]);
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_SARISSA_THREADEDDOM_PROGID = pickRecentProgID(["Msxml2.FreeThreadedDOMDocument.5.0", "MSXML2.FreeThreadedDOMDocument.4.0", "MSXML2.FreeThreadedDOMDocument.3.0"]);
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_SARISSA_XSLTEMPLATE_PROGID = pickRecentProgID(["Msxml2.XSLTemplate.5.0", "Msxml2.XSLTemplate.4.0", "MSXML2.XSLTemplate.3.0"], [["XSLTPROC", 2]]);
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// we dont need this anymore
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pickRecentProgID = null;
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//============================================
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// Factory methods (IE)
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//============================================
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// see non-IE version
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Sarissa.getDomDocument = function(sUri, sName){
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var oDoc = new ActiveXObject(_SARISSA_DOM_PROGID);
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// if a root tag name was provided, we need to load it in the DOM
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// object
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if (sName){
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// if needed, create an artifical namespace prefix the way Moz
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// does
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if (sUri){
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oDoc.loadXML("<a" + _sarissa_iNsCounter + ":" + sName + " xmlns:a" + _sarissa_iNsCounter + "=\"" + sUri + "\" />");
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// don't use the same prefix again
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++_sarissa_iNsCounter;
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}
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else
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oDoc.loadXML("<" + sName + "/>");
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};
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return oDoc;
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};
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// see non-IE version
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Sarissa.getParseErrorText = function (oDoc) {
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var parseErrorText = Sarissa.PARSED_OK;
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if(oDoc.parseError != 0){
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parseErrorText = "XML Parsing Error: " + oDoc.parseError.reason +
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"\nLocation: " + oDoc.parseError.url +
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"\nLine Number " + oDoc.parseError.line + ", Column " +
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oDoc.parseError.linepos +
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":\n" + oDoc.parseError.srcText +
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"\n";
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for(var i = 0; i < oDoc.parseError.linepos;i++){
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parseErrorText += "-";
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};
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parseErrorText += "^\n";
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};
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return parseErrorText;
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};
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// see non-IE version
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Sarissa.setXpathNamespaces = function(oDoc, sNsSet) {
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oDoc.setProperty("SelectionLanguage", "XPath");
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oDoc.setProperty("SelectionNamespaces", sNsSet);
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};
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/**
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* Basic implementation of Mozilla's XSLTProcessor for IE.
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* Reuses the same XSLT stylesheet for multiple transforms
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* @constructor
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*/
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XSLTProcessor = function(){
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this.template = new ActiveXObject(_SARISSA_XSLTEMPLATE_PROGID);
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this.processor = null;
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};
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/**
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* Impoprts the given XSLT DOM and compiles it to a reusable transform
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* @argument xslDoc The XSLT DOMDocument to import
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*/
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XSLTProcessor.prototype.importStylesheet = function(xslDoc){
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// convert stylesheet to free threaded
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var converted = new ActiveXObject(_SARISSA_THREADEDDOM_PROGID);
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converted.loadXML(xslDoc.xml);
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this.template.stylesheet = converted;
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this.processor = this.template.createProcessor();
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// (re)set default param values
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this.paramsSet = new Array();
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};
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/**
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* Transform the given XML DOM
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* @argument sourceDoc The XML DOMDocument to transform
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* @return The transformation result as a DOM Document
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*/
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XSLTProcessor.prototype.transformToDocument = function(sourceDoc){
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this.processor.input = sourceDoc;
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var outDoc = new ActiveXObject(_SARISSA_DOM_PROGID);
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this.processor.output = outDoc;
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this.processor.transform();
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return outDoc;
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};
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/**
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* Set global XSLT parameter of the imported stylesheet
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* @argument nsURI The parameter namespace URI
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* @argument name The parameter base name
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* @argument value The new parameter value
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*/
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XSLTProcessor.prototype.setParameter = function(nsURI, name, value){
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/* nsURI is optional but cannot be null */
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if(nsURI){
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this.processor.addParameter(name, value, nsURI);
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}else{
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this.processor.addParameter(name, value);
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};
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/* update updated params for getParameter */
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if(!this.paramsSet[""+nsURI]){
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this.paramsSet[""+nsURI] = new Array();
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};
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this.paramsSet[""+nsURI][name] = value;
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};
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/**
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* Gets a parameter if previously set by setParameter. Returns null
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* otherwise
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* @argument name The parameter base name
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* @argument value The new parameter value
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* @return The parameter value if reviously set by setParameter, null otherwise
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*/
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XSLTProcessor.prototype.getParameter = function(nsURI, name){
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nsURI = nsURI || "";
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if(nsURI in this.paramsSet && name in this.paramsSet[nsURI]){
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return this.paramsSet[nsURI][name];
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}else{
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return null;
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};
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};
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}
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else{ /* end IE initialization, try to deal with real browsers now ;-) */
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if(_SARISSA_HAS_DOM_CREATE_DOCUMENT){
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/**
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* <p>Ensures the document was loaded correctly, otherwise sets the
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* parseError to -1 to indicate something went wrong. Internal use</p>
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* @private
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*/
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Sarissa.__handleLoad__ = function(oDoc){
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if (!oDoc.documentElement || oDoc.documentElement.tagName == "parsererror")
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oDoc.parseError = -1;
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Sarissa.__setReadyState__(oDoc, 4);
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};
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/**
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* <p>Attached by an event handler to the load event. Internal use.</p>
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* @private
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*/
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_sarissa_XMLDocument_onload = function(){
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Sarissa.__handleLoad__(this);
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};
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/**
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* <p>Sets the readyState property of the given DOM Document object.
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* Internal use.</p>
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* @private
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* @argument oDoc the DOM Document object to fire the
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* readystatechange event
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* @argument iReadyState the number to change the readystate property to
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*/
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Sarissa.__setReadyState__ = function(oDoc, iReadyState){
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oDoc.readyState = iReadyState;
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if (oDoc.onreadystatechange != null && typeof oDoc.onreadystatechange == "function")
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oDoc.onreadystatechange();
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};
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Sarissa.getDomDocument = function(sUri, sName){
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var oDoc = document.implementation.createDocument(sUri?sUri:"", sName?sName:"", null);
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oDoc.addEventListener("load", _sarissa_XMLDocument_onload, false);
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return oDoc;
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};
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if(false && window.XMLDocument){
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/**
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* <p>Emulate IE's onreadystatechange attribute</p>
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*/
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XMLDocument.prototype.onreadystatechange = null;
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/**
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* <p>Emulates IE's readyState property, which always gives an integer from 0 to 4:</p>
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* <ul><li>1 == LOADING,</li>
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* <li>2 == LOADED,</li>
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* <li>3 == INTERACTIVE,</li>
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* <li>4 == COMPLETED</li></ul>
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*/
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XMLDocument.prototype.readyState = 0;
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/**
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* <p>Emulate IE's parseError attribute</p>
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*/
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XMLDocument.prototype.parseError = 0;
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// NOTE: setting async to false will only work with documents
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// called over HTTP (meaning a server), not the local file system,
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// unless you are using Moz 1.4+.
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// BTW the try>catch block is for 1.4; I haven't found a way to check if
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// the property is implemented without
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// causing an error and I dont want to use user agent stuff for that...
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var _SARISSA_SYNC_NON_IMPLEMENTED = false;// ("async" in XMLDocument.prototype) ? false: true;
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/**
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* <p>Keeps a handle to the original load() method. Internal use and only
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* if Mozilla version is lower than 1.4</p>
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* @private
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*/
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XMLDocument.prototype._sarissa_load = XMLDocument.prototype.load;
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/**
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* <p>Overrides the original load method to provide synchronous loading for
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* Mozilla versions prior to 1.4, using an XMLHttpRequest object (if
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* async is set to false)</p>
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* @returns the DOM Object as it was before the load() call (may be empty)
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*/
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XMLDocument.prototype.load = function(sURI) {
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var oDoc = document.implementation.createDocument("", "", null);
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Sarissa.copyChildNodes(this, oDoc);
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this.parseError = 0;
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Sarissa.__setReadyState__(this, 1);
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try {
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if(this.async == false && _SARISSA_SYNC_NON_IMPLEMENTED) {
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var tmp = new XMLHttpRequest();
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tmp.open("GET", sURI, false);
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tmp.send(null);
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Sarissa.__setReadyState__(this, 2);
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Sarissa.copyChildNodes(tmp.responseXML, this);
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Sarissa.__setReadyState__(this, 3);
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}
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else {
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this._sarissa_load(sURI);
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};
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}
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catch (objException) {
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this.parseError = -1;
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}
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finally {
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if(this.async == false){
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Sarissa.__handleLoad__(this);
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};
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};
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return oDoc;
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};
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}//if(window.XMLDocument)
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else if(document.implementation && document.implementation.hasFeature && document.implementation.hasFeature('LS', '3.0')){
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Document.prototype.async = true;
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Document.prototype.onreadystatechange = null;
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Document.prototype.parseError = 0;
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Document.prototype.load = function(sURI) {
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var parser = document.implementation.createLSParser(this.async ? document.implementation.MODE_ASYNCHRONOUS : document.implementation.MODE_SYNCHRONOUS, null);
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if(this.async){
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var self = this;
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parser.addEventListener("load",
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function(e) {
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self.readyState = 4;
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Sarissa.copyChildNodes(e.newDocument, self.documentElement, false);
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self.onreadystatechange.call();
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},
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false);
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};
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try {
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var oDoc = parser.parseURI(sURI);
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}
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catch(e){
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this.parseError = -1;
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};
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if(!this.async)
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Sarissa.copyChildNodes(oDoc, this.documentElement, false);
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return oDoc;
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};
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/**
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* <p>Factory method to obtain a new DOM Document object</p>
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* @argument sUri the namespace of the root node (if any)
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* @argument sUri the local name of the root node (if any)
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* @returns a new DOM Document
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*/
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Sarissa.getDomDocument = function(sUri, sName){
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return document.implementation.createDocument(sUri?sUri:"", sName?sName:"", null);
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};
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};
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};//if(_SARISSA_HAS_DOM_CREATE_DOCUMENT)
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};
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//==========================================
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// Common stuff
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//==========================================
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if(!window.DOMParser){
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/*
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* DOMParser is a utility class, used to construct DOMDocuments from XML strings
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* @constructor
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*/
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DOMParser = function() {
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};
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if(_SARISSA_IS_SAFARI){
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/**
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* Construct a new DOM Document from the given XMLstring
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* @param sXml the given XML string
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* @param contentType the content type of the document the given string represents (one of text/xml, application/xml, application/xhtml+xml).
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* @return a new DOM Document from the given XML string
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*/
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DOMParser.prototype.parseFromString = function(sXml, contentType){
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if(contentType.toLowerCase() != "application/xml"){
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throw "Cannot handle content type: \"" + contentType + "\"";
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};
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var xmlhttp = new XMLHttpRequest();
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xmlhttp.open("GET", "data:text/xml;charset=utf-8," + encodeURIComponent(str), false);
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xmlhttp.send(null);
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return xmlhttp.responseXML;
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};
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}else if(Sarissa.getDomDocument && Sarissa.getDomDocument() && "loadXML" in Sarissa.getDomDocument()){
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DOMParser.prototype.parseFromString = function(sXml, contentType){
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var doc = Sarissa.getDomDocument();
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doc.loadXML(sXml);
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return doc;
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};
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};
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};
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if(window.XMLHttpRequest){
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Sarissa.IS_ENABLED_XMLHTTP = true;
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}
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else if(_SARISSA_IS_IE){
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/**
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* Emulate XMLHttpRequest
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* @constructor
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*/
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XMLHttpRequest = function() {
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return new ActiveXObject(_SARISSA_XMLHTTP_PROGID);
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};
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Sarissa.IS_ENABLED_XMLHTTP = true;
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};
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if(!window.document.importNode && _SARISSA_IS_IE){
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try{
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/**
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* Implements importNode for the current window document in IE using innerHTML.
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* Testing showed that DOM was multiple times slower than innerHTML for this,
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* sorry folks. If you encounter trouble (who knows what IE does behind innerHTML)
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* please gimme a call.
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* @param oNode the Node to import
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* @param bChildren whether to include the children of oNode
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* @returns the imported node for further use
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*/
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window.document.importNode = function(oNode, bChildren){
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var importNode = document.createElement("div");
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if(bChildren)
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importNode.innerHTML = Sarissa.serialize(oNode);
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else
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importNode.innerHTML = Sarissa.serialize(oNode.cloneNode(false));
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return importNode.firstChild;
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};
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}catch(e){};
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};
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if(!Sarissa.getParseErrorText){
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/**
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* <p>Returns a human readable description of the parsing error. Usefull
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* for debugging. Tip: append the returned error string in a <pre>
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* element if you want to render it.</p>
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* <p>Many thanks to Christian Stocker for the initial patch.</p>
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* @argument oDoc The target DOM document
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* @returns The parsing error description of the target Document in
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* human readable form (preformated text)
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*/
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Sarissa.getParseErrorText = function (oDoc){
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var parseErrorText = Sarissa.PARSED_OK;
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if(oDoc && oDoc.parseError && oDoc.parseError != 0){
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/*moz*/
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if(oDoc.documentElement.tagName == "parsererror"){
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|
parseErrorText = oDoc.documentElement.firstChild.data;
|
|
parseErrorText += "\n" + oDoc.documentElement.firstChild.nextSibling.firstChild.data;
|
|
}/*konq*/
|
|
else{
|
|
parseErrorText = Sarissa.getText(oDoc.documentElement);/*.getElementsByTagName("h1")[0], false) + "\n";
|
|
parseErrorText += Sarissa.getText(oDoc.documentElement.getElementsByTagName("body")[0], false) + "\n";
|
|
parseErrorText += Sarissa.getText(oDoc.documentElement.getElementsByTagName("pre")[0], false);*/
|
|
};
|
|
};
|
|
return parseErrorText;
|
|
};
|
|
};
|
|
Sarissa.getText = function(oNode, deep){
|
|
var s = "";
|
|
var nodes = oNode.childNodes;
|
|
for(var i=0; i < nodes.length; i++){
|
|
var node = nodes[i];
|
|
var nodeType = node.nodeType;
|
|
if(nodeType == Node.TEXT_NODE || nodeType == Node.CDATA_SECTION_NODE){
|
|
s += node.data;
|
|
}else if(deep == true
|
|
&& (nodeType == Node.ELEMENT_NODE
|
|
|| nodeType == Node.DOCUMENT_NODE
|
|
|| nodeType == Node.DOCUMENT_FRAGMENT_NODE)){
|
|
s += Sarissa.getText(node, true);
|
|
};
|
|
};
|
|
return s;
|
|
};
|
|
if(window.XMLSerializer){
|
|
/**
|
|
* <p>Factory method to obtain the serialization of a DOM Node</p>
|
|
* @returns the serialized Node as an XML string
|
|
*/
|
|
Sarissa.serialize = function(oDoc){
|
|
var s = null;
|
|
if(oDoc){
|
|
s = oDoc.innerHTML?oDoc.innerHTML:(new XMLSerializer()).serializeToString(oDoc);
|
|
};
|
|
return s;
|
|
};
|
|
}else{
|
|
if(Sarissa.getDomDocument && (Sarissa.getDomDocument("","foo", null)).xml){
|
|
// see non-IE version
|
|
Sarissa.serialize = function(oDoc) {
|
|
var s = null;
|
|
if(oDoc){
|
|
s = oDoc.innerHTML?oDoc.innerHTML:oDoc.xml;
|
|
};
|
|
return s;
|
|
};
|
|
/**
|
|
* Utility class to serialize DOM Node objects to XML strings
|
|
* @constructor
|
|
*/
|
|
XMLSerializer = function(){};
|
|
/**
|
|
* Serialize the given DOM Node to an XML string
|
|
* @param oNode the DOM Node to serialize
|
|
*/
|
|
XMLSerializer.prototype.serializeToString = function(oNode) {
|
|
return oNode.xml;
|
|
};
|
|
};
|
|
};
|
|
|
|
/**
|
|
* strips tags from a markup string
|
|
*/
|
|
Sarissa.stripTags = function (s) {
|
|
return s.replace(/<[^>]+>/g,"");
|
|
};
|
|
/**
|
|
* <p>Deletes all child nodes of the given node</p>
|
|
* @argument oNode the Node to empty
|
|
*/
|
|
Sarissa.clearChildNodes = function(oNode) {
|
|
// need to check for firstChild due to opera 8 bug with hasChildNodes
|
|
while(oNode.firstChild){
|
|
oNode.removeChild(oNode.firstChild);
|
|
};
|
|
};
|
|
/**
|
|
* <p> Copies the childNodes of nodeFrom to nodeTo</p>
|
|
* <p> <b>Note:</b> The second object's original content is deleted before
|
|
* the copy operation, unless you supply a true third parameter</p>
|
|
* @argument nodeFrom the Node to copy the childNodes from
|
|
* @argument nodeTo the Node to copy the childNodes to
|
|
* @argument bPreserveExisting whether to preserve the original content of nodeTo, default is false
|
|
*/
|
|
Sarissa.copyChildNodes = function(nodeFrom, nodeTo, bPreserveExisting) {
|
|
if((!nodeFrom) || (!nodeTo)){
|
|
throw "Both source and destination nodes must be provided";
|
|
};
|
|
if(!bPreserveExisting){
|
|
Sarissa.clearChildNodes(nodeTo);
|
|
};
|
|
var ownerDoc = nodeTo.nodeType == Node.DOCUMENT_NODE ? nodeTo : nodeTo.ownerDocument;
|
|
var nodes = nodeFrom.childNodes;
|
|
if(ownerDoc.importNode && (!_SARISSA_IS_IE)) {
|
|
for(var i=0;i < nodes.length;i++) {
|
|
nodeTo.appendChild(ownerDoc.importNode(nodes[i], true));
|
|
};
|
|
}
|
|
else{
|
|
for(var i=0;i < nodes.length;i++) {
|
|
nodeTo.appendChild(nodes[i].cloneNode(true));
|
|
};
|
|
};
|
|
};
|
|
|
|
/**
|
|
* <p> Moves the childNodes of nodeFrom to nodeTo</p>
|
|
* <p> <b>Note:</b> The second object's original content is deleted before
|
|
* the move operation, unless you supply a true third parameter</p>
|
|
* @argument nodeFrom the Node to copy the childNodes from
|
|
* @argument nodeTo the Node to copy the childNodes to
|
|
* @argument bPreserveExisting whether to preserve the original content of nodeTo, default is
|
|
*/
|
|
Sarissa.moveChildNodes = function(nodeFrom, nodeTo, bPreserveExisting) {
|
|
if((!nodeFrom) || (!nodeTo)){
|
|
throw "Both source and destination nodes must be provided";
|
|
};
|
|
if(!bPreserveExisting){
|
|
Sarissa.clearChildNodes(nodeTo);
|
|
};
|
|
var nodes = nodeFrom.childNodes;
|
|
// if within the same doc, just move, else copy and delete
|
|
if(nodeFrom.ownerDocument == nodeTo.ownerDocument){
|
|
while(nodeFrom.firstChild){
|
|
nodeTo.appendChild(nodeFrom.firstChild);
|
|
};
|
|
}else{
|
|
var ownerDoc = nodeTo.nodeType == Node.DOCUMENT_NODE ? nodeTo : nodeTo.ownerDocument;
|
|
if(ownerDoc.importNode && (!_SARISSA_IS_IE)) {
|
|
for(var i=0;i < nodes.length;i++) {
|
|
nodeTo.appendChild(ownerDoc.importNode(nodes[i], true));
|
|
};
|
|
}else{
|
|
for(var i=0;i < nodes.length;i++) {
|
|
nodeTo.appendChild(nodes[i].cloneNode(true));
|
|
};
|
|
};
|
|
Sarissa.clearChildNodes(nodeFrom);
|
|
};
|
|
};
|
|
|
|
/**
|
|
* <p>Serialize any object to an XML string. All properties are serialized using the property name
|
|
* as the XML element name. Array elements are rendered as <code>array-item</code> elements,
|
|
* using their index/key as the value of the <code>key</code> attribute.</p>
|
|
* @argument anyObject the object to serialize
|
|
* @argument objectName a name for that object
|
|
* @return the XML serializationj of the given object as a string
|
|
*/
|
|
Sarissa.xmlize = function(anyObject, objectName, indentSpace){
|
|
indentSpace = indentSpace?indentSpace:'';
|
|
var s = indentSpace + '<' + objectName + '>';
|
|
var isLeaf = false;
|
|
if(!(anyObject instanceof Object) || anyObject instanceof Number || anyObject instanceof String
|
|
|| anyObject instanceof Boolean || anyObject instanceof Date){
|
|
s += Sarissa.escape(""+anyObject);
|
|
isLeaf = true;
|
|
}else{
|
|
s += "\n";
|
|
var itemKey = '';
|
|
var isArrayItem = anyObject instanceof Array;
|
|
for(var name in anyObject){
|
|
s += Sarissa.xmlize(anyObject[name], (isArrayItem?"array-item key=\""+name+"\"":name), indentSpace + " ");
|
|
};
|
|
s += indentSpace;
|
|
};
|
|
return s += (objectName.indexOf(' ')!=-1?"</array-item>\n":"</" + objectName + ">\n");
|
|
};
|
|
|
|
/**
|
|
* Escape the given string chacters that correspond to the five predefined XML entities
|
|
* @param sXml the string to escape
|
|
*/
|
|
Sarissa.escape = function(sXml){
|
|
return sXml.replace(/&/g, "&")
|
|
.replace(/</g, "<")
|
|
.replace(/>/g, ">")
|
|
.replace(/"/g, """)
|
|
.replace(/'/g, "'");
|
|
};
|
|
|
|
/**
|
|
* Unescape the given string. This turns the occurences of the predefined XML
|
|
* entities to become the characters they represent correspond to the five predefined XML entities
|
|
* @param sXml the string to unescape
|
|
*/
|
|
Sarissa.unescape = function(sXml){
|
|
return sXml.replace(/'/g,"'")
|
|
.replace(/"/g,"\"")
|
|
.replace(/>/g,">")
|
|
.replace(/</g,"<")
|
|
.replace(/&/g,"&");
|
|
};
|
|
// EOF
|