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nova/tools/ajaxterm/sarissa.js

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