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1026 lines
43 KiB
1026 lines
43 KiB
/*
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* ====================================================================
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* About Sarissa: http://dev.abiss.gr/sarissa
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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 Opera
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* @version 0.9.9.4
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* @author: Copyright 2004-2008 Emmanouil 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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* Sarissa is free software distributed under the GNU GPL version 2 (see <a href="gpl.txt">gpl.txt</a>) or higher,
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* GNU LGPL version 2.1 (see <a href="lgpl.txt">lgpl.txt</a>) or higher and Apache Software License 2.0 or higher
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* (see <a href="asl.txt">asl.txt</a>). This means you can choose one of the three and use that if you like. If
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* you make modifications under the ASL, i would appreciate it if you submitted those.
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* In case your copy of Sarissa does not include the license texts, you may find
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* them online in various formats at <a href="http://www.gnu.org">http://www.gnu.org</a> and
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* <a href="http://www.apache.org">http://www.apache.org</a>.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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* KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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* WARRANTIES OF MERCHANTABILITY,FITNESS FOR A PARTICULAR PURPOSE
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* AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* <p>Sarissa is a utility class. Provides "static" methods for DOMDocument,
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* DOM Node serialization to XML strings and other utility goodies.</p>
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* @constructor
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* @static
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*/
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function Sarissa(){}
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Sarissa.VERSION = "0.9.9.4";
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Sarissa.PARSED_OK = "Document contains no parsing errors";
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Sarissa.PARSED_EMPTY = "Document is empty";
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Sarissa.PARSED_UNKNOWN_ERROR = "Not well-formed or other error";
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Sarissa.IS_ENABLED_TRANSFORM_NODE = false;
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Sarissa.REMOTE_CALL_FLAG = "gr.abiss.sarissa.REMOTE_CALL_FLAG";
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/** @private */
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Sarissa._lastUniqueSuffix = 0;
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/** @private */
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Sarissa._getUniqueSuffix = function(){
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return Sarissa._lastUniqueSuffix++;
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};
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/** @private */
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Sarissa._SARISSA_IEPREFIX4XSLPARAM = "";
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/** @private */
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Sarissa._SARISSA_HAS_DOM_IMPLEMENTATION = document.implementation && true;
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/** @private */
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Sarissa._SARISSA_HAS_DOM_CREATE_DOCUMENT = Sarissa._SARISSA_HAS_DOM_IMPLEMENTATION && document.implementation.createDocument;
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/** @private */
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Sarissa._SARISSA_HAS_DOM_FEATURE = Sarissa._SARISSA_HAS_DOM_IMPLEMENTATION && document.implementation.hasFeature;
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/** @private */
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Sarissa._SARISSA_IS_MOZ = Sarissa._SARISSA_HAS_DOM_CREATE_DOCUMENT && Sarissa._SARISSA_HAS_DOM_FEATURE;
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/** @private */
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Sarissa._SARISSA_IS_SAFARI = navigator.userAgent.toLowerCase().indexOf("safari") != -1 || navigator.userAgent.toLowerCase().indexOf("konqueror") != -1;
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/** @private */
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Sarissa._SARISSA_IS_SAFARI_OLD = Sarissa._SARISSA_IS_SAFARI && (parseInt((navigator.userAgent.match(/AppleWebKit\/(\d+)/)||{})[1], 10) < 420);
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/** @private */
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Sarissa._SARISSA_IS_IE = document.all && window.ActiveXObject && navigator.userAgent.toLowerCase().indexOf("msie") > -1 && navigator.userAgent.toLowerCase().indexOf("opera") == -1;
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/** @private */
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Sarissa._SARISSA_IS_OPERA = navigator.userAgent.toLowerCase().indexOf("opera") != -1;
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if(!window.Node || !Node.ELEMENT_NODE){
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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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//This breaks for(x in o) loops in the old Safari
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if(Sarissa._SARISSA_IS_SAFARI_OLD){
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HTMLHtmlElement = document.createElement("html").constructor;
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Node = HTMLElement = {};
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HTMLElement.prototype = HTMLHtmlElement.__proto__.__proto__;
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HTMLDocument = Document = document.constructor;
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var x = new DOMParser();
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XMLDocument = x.constructor;
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Element = x.parseFromString("<Single />", "text/xml").documentElement.constructor;
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x = null;
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}
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if(typeof XMLDocument == "undefined" && typeof Document !="undefined"){ XMLDocument = Document; }
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// IE initialization
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if(Sarissa._SARISSA_IS_IE){
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// for XSLT parameter names, prefix needed by IE
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Sarissa._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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var _SARISSA_DOM_XMLWRITER = "";
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/**
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* Called when the sarissa.js file is parsed, to pick most recent
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* ProgIDs for IE, then gets destroyed.
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* @memberOf Sarissa
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* @private
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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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Sarissa.pickRecentProgID = function (idList){
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// found progID flag
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var bFound = false, e;
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var o2Store;
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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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}catch (objException){
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// trap; try next progID
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e = objException;
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}
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}
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if (!bFound) {
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throw "Could not retrieve a valid progID of Class: " + idList[idList.length-1]+". (original exception: "+e+")";
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}
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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 = null;
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_SARISSA_THREADEDDOM_PROGID = null;
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_SARISSA_XSLTEMPLATE_PROGID = null;
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_SARISSA_XMLHTTP_PROGID = null;
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// commenting the condition out; we need to redefine XMLHttpRequest
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// anyway as IE7 hardcodes it to MSXML3.0 causing version problems
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// between different activex controls
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//if(!window.XMLHttpRequest){
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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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if(!_SARISSA_XMLHTTP_PROGID){
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_SARISSA_XMLHTTP_PROGID = Sarissa.pickRecentProgID(["Msxml2.XMLHTTP.6.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"]);
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}
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return new ActiveXObject(_SARISSA_XMLHTTP_PROGID);
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};
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//}
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// we dont need this anymore
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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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if(!_SARISSA_DOM_PROGID){
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_SARISSA_DOM_PROGID = Sarissa.pickRecentProgID(["Msxml2.DOMDocument.6.0", "Msxml2.DOMDocument.3.0", "MSXML2.DOMDocument", "MSXML.DOMDocument", "Microsoft.XMLDOM"]);
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}
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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 object
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if (sName){
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// create an artifical namespace prefix
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// or reuse existing prefix if applicable
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var prefix = "";
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if(sUri){
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if(sName.indexOf(":") > 1){
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prefix = sName.substring(0, sName.indexOf(":"));
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sName = sName.substring(sName.indexOf(":")+1);
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}else{
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prefix = "a" + Sarissa._getUniqueSuffix();
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}
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}
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// use namespaces if a namespace URI exists
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if(sUri){
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oDoc.loadXML('<' + prefix+':'+sName + " xmlns:" + prefix + "=\"" + sUri + "\"" + " />");
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} else {
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oDoc.loadXML('<' + sName + " />");
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}
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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 && oDoc.parseError && oDoc.parseError.errorCode && oDoc.parseError.errorCode != 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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else if(oDoc.documentElement === null){
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parseErrorText = Sarissa.PARSED_EMPTY;
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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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* A class that 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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if(!_SARISSA_XSLTEMPLATE_PROGID){
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_SARISSA_XSLTEMPLATE_PROGID = Sarissa.pickRecentProgID(["Msxml2.XSLTemplate.6.0", "MSXML2.XSLTemplate.3.0"]);
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}
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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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* Imports the given XSLT DOM and compiles it to a reusable transform
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* <b>Note:</b> If the stylesheet was loaded from a URL and contains xsl:import or xsl:include elements,it will be reloaded to resolve those
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* @param {DOMDocument} xslDoc The XSLT DOMDocument to import
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*/
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XSLTProcessor.prototype.importStylesheet = function(xslDoc){
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if(!_SARISSA_THREADEDDOM_PROGID){
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_SARISSA_THREADEDDOM_PROGID = Sarissa.pickRecentProgID(["MSXML2.FreeThreadedDOMDocument.6.0", "MSXML2.FreeThreadedDOMDocument.3.0"]);
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}
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xslDoc.setProperty("SelectionLanguage", "XPath");
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xslDoc.setProperty("SelectionNamespaces", "xmlns:xsl='http://www.w3.org/1999/XSL/Transform'");
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// convert stylesheet to free threaded
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var converted = new ActiveXObject(_SARISSA_THREADEDDOM_PROGID);
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// make included/imported stylesheets work if exist and xsl was originally loaded from url
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try{
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converted.resolveExternals = true;
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converted.setProperty("AllowDocumentFunction", true);
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}
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catch(e){
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// Ignore. "AllowDocumentFunction" is only supported in MSXML 3.0 SP4 and later.
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}
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if(xslDoc.url && xslDoc.selectSingleNode("//xsl:*[local-name() = 'import' or local-name() = 'include']") != null){
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converted.async = false;
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converted.load(xslDoc.url);
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}
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else {
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converted.loadXML(xslDoc.xml);
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}
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converted.setProperty("SelectionNamespaces", "xmlns:xsl='http://www.w3.org/1999/XSL/Transform'");
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var output = converted.selectSingleNode("//xsl:output");
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//this.outputMethod = output ? output.getAttribute("method") : "html";
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if(output) {
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this.outputMethod = output.getAttribute("method");
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}
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else {
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delete this.outputMethod;
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}
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this.template.stylesheet = converted;
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this.processor = this.template.createProcessor();
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// for getParameter and clearParameters
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this.paramsSet = [];
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};
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/**
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* Transform the given XML DOM and return the transformation result as a new DOM document
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* @param {DOMDocument} sourceDoc The XML DOMDocument to transform
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* @return {DOMDocument} The transformation result as a DOM Document
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*/
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XSLTProcessor.prototype.transformToDocument = function(sourceDoc){
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// fix for bug 1549749
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var outDoc;
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if(_SARISSA_THREADEDDOM_PROGID){
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this.processor.input=sourceDoc;
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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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else{
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if(!_SARISSA_DOM_XMLWRITER){
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_SARISSA_DOM_XMLWRITER = Sarissa.pickRecentProgID(["Msxml2.MXXMLWriter.6.0", "Msxml2.MXXMLWriter.3.0", "MSXML2.MXXMLWriter", "MSXML.MXXMLWriter", "Microsoft.XMLDOM"]);
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}
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this.processor.input = sourceDoc;
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outDoc = new ActiveXObject(_SARISSA_DOM_XMLWRITER);
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this.processor.output = outDoc;
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this.processor.transform();
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var oDoc = new ActiveXObject(_SARISSA_DOM_PROGID);
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oDoc.loadXML(outDoc.output+"");
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return oDoc;
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}
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};
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/**
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* Transform the given XML DOM and return the transformation result as a new DOM fragment.
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* <b>Note</b>: The xsl:output method must match the nature of the owner document (XML/HTML).
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* @param {DOMDocument} sourceDoc The XML DOMDocument to transform
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* @param {DOMDocument} ownerDoc The owner of the result fragment
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* @return {DOMDocument} The transformation result as a DOM Document
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*/
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XSLTProcessor.prototype.transformToFragment = function (sourceDoc, ownerDoc) {
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this.processor.input = sourceDoc;
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this.processor.transform();
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var s = this.processor.output;
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var f = ownerDoc.createDocumentFragment();
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var container;
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if (this.outputMethod == 'text') {
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f.appendChild(ownerDoc.createTextNode(s));
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} else if (ownerDoc.body && ownerDoc.body.innerHTML) {
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container = ownerDoc.createElement('div');
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container.innerHTML = s;
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while (container.hasChildNodes()) {
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f.appendChild(container.firstChild);
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}
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}
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else {
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var oDoc = new ActiveXObject(_SARISSA_DOM_PROGID);
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if (s.substring(0, 5) == '<?xml') {
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s = s.substring(s.indexOf('?>') + 2);
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}
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var xml = ''.concat('<my>', s, '</my>');
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oDoc.loadXML(xml);
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container = oDoc.documentElement;
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while (container.hasChildNodes()) {
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f.appendChild(container.firstChild);
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}
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}
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return f;
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};
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/**
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* Set global XSLT parameter of the imported stylesheet
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* @param {String} nsURI The parameter namespace URI
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* @param {String} name The parameter base name
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* @param {String} value The new parameter value
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*/
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XSLTProcessor.prototype.setParameter = function(nsURI, name, value){
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// make value a zero length string if null to allow clearing
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value = value ? 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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nsURI = "" + (nsURI || "");
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if(!this.paramsSet[nsURI]){
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this.paramsSet[nsURI] = [];
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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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* @param {String} name The parameter base name
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* @param {String} value The new parameter value
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* @return {String} 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(this.paramsSet[nsURI] && this.paramsSet[nsURI][name]){
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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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* Clear parameters (set them to default values as defined in the stylesheet itself)
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*/
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XSLTProcessor.prototype.clearParameters = function(){
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for(var nsURI in this.paramsSet){
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for(var name in this.paramsSet[nsURI]){
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if(nsURI!=""){
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this.processor.addParameter(name, "", nsURI);
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}else{
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this.processor.addParameter(name, "");
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}
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}
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}
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this.paramsSet = [];
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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._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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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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* @memberOf Sarissa
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* @private
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* @param oDoc the DOM Document object to fire the
|
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* readystatechange event
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* @param 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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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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};
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Sarissa.getDomDocument = function(sUri, sName){
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var oDoc = document.implementation.createDocument(sUri?sUri:null, sName?sName:null, null);
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if(!oDoc.onreadystatechange){
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/**
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|
* <p>Emulate IE's onreadystatechange attribute</p>
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*/
|
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oDoc.onreadystatechange = null;
|
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}
|
|
if(!oDoc.readyState){
|
|
/**
|
|
* <p>Emulates IE's readyState property, which always gives an integer from 0 to 4:</p>
|
|
* <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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|
*/
|
|
oDoc.readyState = 0;
|
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}
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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(window.XMLDocument){
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// do nothing
|
|
}// TODO: check if the new document has content before trying to copynodes, check for error handling in DOM 3 LS
|
|
else if(Sarissa._SARISSA_HAS_DOM_FEATURE && window.Document && !Document.prototype.load && document.implementation.hasFeature('LS', '3.0')){
|
|
//Opera 9 may get the XPath branch which gives creates XMLDocument, therefore it doesn't reach here which is good
|
|
/**
|
|
* <p>Factory method to obtain a new DOM Document object</p>
|
|
* @memberOf Sarissa
|
|
* @param {String} sUri the namespace of the root node (if any)
|
|
* @param {String} sUri the local name of the root node (if any)
|
|
* @returns {DOMDOcument} a new DOM Document
|
|
*/
|
|
Sarissa.getDomDocument = function(sUri, sName){
|
|
var oDoc = document.implementation.createDocument(sUri?sUri:null, sName?sName:null, null);
|
|
return oDoc;
|
|
};
|
|
}
|
|
else {
|
|
Sarissa.getDomDocument = function(sUri, sName){
|
|
var oDoc = document.implementation.createDocument(sUri?sUri:null, sName?sName:null, null);
|
|
// looks like safari does not create the root element for some unknown reason
|
|
if(oDoc && (sUri || sName) && !oDoc.documentElement){
|
|
oDoc.appendChild(oDoc.createElementNS(sUri, sName));
|
|
}
|
|
return oDoc;
|
|
};
|
|
}
|
|
}//if(Sarissa._SARISSA_HAS_DOM_CREATE_DOCUMENT)
|
|
}
|
|
//==========================================
|
|
// Common stuff
|
|
//==========================================
|
|
if(!window.DOMParser){
|
|
if(Sarissa._SARISSA_IS_SAFARI){
|
|
/**
|
|
* DOMParser is a utility class, used to construct DOMDocuments from XML strings
|
|
* @constructor
|
|
*/
|
|
DOMParser = function() { };
|
|
/**
|
|
* Construct a new DOM Document from the given XMLstring
|
|
* @param {String} sXml the given XML string
|
|
* @param {String} contentType the content type of the document the given string represents (one of text/xml, application/xml, application/xhtml+xml).
|
|
* @return {DOMDocument} a new DOM Document from the given XML string
|
|
*/
|
|
DOMParser.prototype.parseFromString = function(sXml, contentType){
|
|
var xmlhttp = new XMLHttpRequest();
|
|
xmlhttp.open("GET", "data:text/xml;charset=utf-8," + encodeURIComponent(sXml), false);
|
|
xmlhttp.send(null);
|
|
return xmlhttp.responseXML;
|
|
};
|
|
}else if(Sarissa.getDomDocument && Sarissa.getDomDocument() && Sarissa.getDomDocument(null, "bar").xml){
|
|
DOMParser = function() { };
|
|
DOMParser.prototype.parseFromString = function(sXml, contentType){
|
|
var doc = Sarissa.getDomDocument();
|
|
doc.loadXML(sXml);
|
|
return doc;
|
|
};
|
|
}
|
|
}
|
|
|
|
if((typeof(document.importNode) == "undefined") && Sarissa._SARISSA_IS_IE){
|
|
try{
|
|
/**
|
|
* Implementation of importNode for the context window document in IE.
|
|
* If <code>oNode</code> is a TextNode, <code>bChildren</code> is ignored.
|
|
* @param {DOMNode} oNode the Node to import
|
|
* @param {boolean} bChildren whether to include the children of oNode
|
|
* @returns the imported node for further use
|
|
*/
|
|
document.importNode = function(oNode, bChildren){
|
|
var tmp;
|
|
if (oNode.nodeName=='#text') {
|
|
return document.createTextNode(oNode.data);
|
|
}
|
|
else {
|
|
if(oNode.nodeName == "tbody" || oNode.nodeName == "tr"){
|
|
tmp = document.createElement("table");
|
|
}
|
|
else if(oNode.nodeName == "td"){
|
|
tmp = document.createElement("tr");
|
|
}
|
|
else if(oNode.nodeName == "option"){
|
|
tmp = document.createElement("select");
|
|
}
|
|
else{
|
|
tmp = document.createElement("div");
|
|
}
|
|
if(bChildren){
|
|
tmp.innerHTML = oNode.xml ? oNode.xml : oNode.outerHTML;
|
|
}else{
|
|
tmp.innerHTML = oNode.xml ? oNode.cloneNode(false).xml : oNode.cloneNode(false).outerHTML;
|
|
}
|
|
return tmp.getElementsByTagName("*")[0];
|
|
}
|
|
};
|
|
}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 <pre>
|
|
* element if you want to render it.</p>
|
|
* <p>Many thanks to Christian Stocker for the initial patch.</p>
|
|
* @memberOf Sarissa
|
|
* @param {DOMDocument} oDoc The target DOM document
|
|
* @returns {String} 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.documentElement)){
|
|
parseErrorText = Sarissa.PARSED_EMPTY;
|
|
} else if(oDoc.documentElement.tagName == "parsererror"){
|
|
parseErrorText = oDoc.documentElement.firstChild.data;
|
|
parseErrorText += "\n" + oDoc.documentElement.firstChild.nextSibling.firstChild.data;
|
|
} else if(oDoc.getElementsByTagName("parsererror").length > 0){
|
|
var parsererror = oDoc.getElementsByTagName("parsererror")[0];
|
|
parseErrorText = Sarissa.getText(parsererror, true)+"\n";
|
|
} else if(oDoc.parseError && oDoc.parseError.errorCode != 0){
|
|
parseErrorText = Sarissa.PARSED_UNKNOWN_ERROR;
|
|
}
|
|
return parseErrorText;
|
|
};
|
|
}
|
|
/**
|
|
* Get a string with the concatenated values of all string nodes under the given node
|
|
* @param {DOMNode} oNode the given DOM node
|
|
* @param {boolean} deep whether to recursively scan the children nodes of the given node for text as well. Default is <code>false</code>
|
|
* @memberOf Sarissa
|
|
*/
|
|
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 && Sarissa.getDomDocument && Sarissa.getDomDocument("","foo", null).xml){
|
|
/**
|
|
* Utility class to serialize DOM Node objects to XML strings
|
|
* @constructor
|
|
*/
|
|
XMLSerializer = function(){};
|
|
/**
|
|
* Serialize the given DOM Node to an XML string
|
|
* @param {DOMNode} oNode the DOM Node to serialize
|
|
*/
|
|
XMLSerializer.prototype.serializeToString = function(oNode) {
|
|
return oNode.xml;
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Strips tags from the given markup string. If the given string is
|
|
* <code>undefined</code>, <code>null</code> or empty, it is returned as is.
|
|
* @memberOf Sarissa
|
|
* @param {String} s the string to strip the tags from
|
|
*/
|
|
Sarissa.stripTags = function (s) {
|
|
return s?s.replace(/<[^>]+>/g,""):s;
|
|
};
|
|
/**
|
|
* <p>Deletes all child nodes of the given node</p>
|
|
* @memberOf Sarissa
|
|
* @param {DOMNode} 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>
|
|
* @memberOf Sarissa
|
|
* @param {DOMNode} nodeFrom the Node to copy the childNodes from
|
|
* @param {DOMNode} nodeTo the Node to copy the childNodes to
|
|
* @param {boolean} bPreserveExisting whether to preserve the original content of nodeTo, default is false
|
|
*/
|
|
Sarissa.copyChildNodes = function(nodeFrom, nodeTo, bPreserveExisting) {
|
|
if(Sarissa._SARISSA_IS_SAFARI && nodeTo.nodeType == Node.DOCUMENT_NODE){ // SAFARI_OLD ??
|
|
nodeTo = nodeTo.documentElement; //Apparently there's a bug in safari where you can't appendChild to a document node
|
|
}
|
|
|
|
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;
|
|
var i;
|
|
if(typeof(ownerDoc.importNode) != "undefined") {
|
|
for(i=0;i < nodes.length;i++) {
|
|
nodeTo.appendChild(ownerDoc.importNode(nodes[i], true));
|
|
}
|
|
} else {
|
|
for(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>
|
|
* @memberOf Sarissa
|
|
* @param {DOMNode} nodeFrom the Node to copy the childNodes from
|
|
* @param {DOMNode} nodeTo the Node to copy the childNodes to
|
|
* @param {boolean} 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;
|
|
var i;
|
|
if(typeof(ownerDoc.importNode) != "undefined") {
|
|
for(i=0;i < nodes.length;i++) {
|
|
nodeTo.appendChild(ownerDoc.importNode(nodes[i], true));
|
|
}
|
|
}else{
|
|
for(i=0;i < nodes.length;i++) {
|
|
nodeTo.appendChild(nodes[i].cloneNode(true));
|
|
}
|
|
}
|
|
Sarissa.clearChildNodes(nodeFrom);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* <p>Serialize any <strong>non</strong> DOM 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>
|
|
* @memberOf Sarissa
|
|
* @param {Object} anyObject the object to serialize
|
|
* @param {String} objectName a name for that object, to be used as the root element name
|
|
* @return {String} the XML serialization 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 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
|
|
* @memberOf Sarissa
|
|
* @param {String} 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
|
|
* @memberOf Sarissa
|
|
* @param {String}sXml the string to unescape
|
|
*/
|
|
Sarissa.unescape = function(sXml){
|
|
return sXml.replace(/'/g,"'").replace(/"/g,"\"").replace(/>/g,">").replace(/</g,"<").replace(/&/g,"&");
|
|
};
|
|
|
|
/** @private */
|
|
Sarissa.updateCursor = function(oTargetElement, sValue) {
|
|
if(oTargetElement && oTargetElement.style && oTargetElement.style.cursor != undefined ){
|
|
oTargetElement.style.cursor = sValue;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Asynchronously update an element with response of a GET request on the given URL. Passing a configured XSLT
|
|
* processor will result in transforming and updating oNode before using it to update oTargetElement.
|
|
* You can also pass a callback function to be executed when the update is finished. The function will be called as
|
|
* <code>functionName(oNode, oTargetElement);</code>
|
|
* @memberOf Sarissa
|
|
* @param {String} sFromUrl the URL to make the request to
|
|
* @param {DOMElement} oTargetElement the element to update
|
|
* @param {XSLTProcessor} xsltproc (optional) the transformer to use on the returned
|
|
* content before updating the target element with it
|
|
* @param {Function} callback (optional) a Function object to execute once the update is finished successfuly, called as <code>callback(sFromUrl, oTargetElement)</code>.
|
|
* In case an exception is thrown during execution, the callback is called as called as <code>callback(sFromUrl, oTargetElement, oException)</code>
|
|
* @param {boolean} skipCache (optional) whether to skip any cache
|
|
*/
|
|
Sarissa.updateContentFromURI = function(sFromUrl, oTargetElement, xsltproc, callback, skipCache) {
|
|
try{
|
|
Sarissa.updateCursor(oTargetElement, "wait");
|
|
var xmlhttp = new XMLHttpRequest();
|
|
xmlhttp.open("GET", sFromUrl, true);
|
|
xmlhttp.onreadystatechange = function() {
|
|
if (xmlhttp.readyState == 4) {
|
|
try{
|
|
var oDomDoc = xmlhttp.responseXML;
|
|
if(oDomDoc && Sarissa.getParseErrorText(oDomDoc) == Sarissa.PARSED_OK){
|
|
Sarissa.updateContentFromNode(xmlhttp.responseXML, oTargetElement, xsltproc);
|
|
if(callback){
|
|
callback(sFromUrl, oTargetElement);
|
|
}
|
|
}
|
|
else{
|
|
throw Sarissa.getParseErrorText(oDomDoc);
|
|
}
|
|
}
|
|
catch(e){
|
|
if(callback){
|
|
callback(sFromUrl, oTargetElement, e);
|
|
}
|
|
else{
|
|
throw e;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
if (skipCache) {
|
|
var oldage = "Sat, 1 Jan 2000 00:00:00 GMT";
|
|
xmlhttp.setRequestHeader("If-Modified-Since", oldage);
|
|
}
|
|
xmlhttp.send("");
|
|
}
|
|
catch(e){
|
|
Sarissa.updateCursor(oTargetElement, "auto");
|
|
if(callback){
|
|
callback(sFromUrl, oTargetElement, e);
|
|
}
|
|
else{
|
|
throw e;
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Update an element's content with the given DOM node. Passing a configured XSLT
|
|
* processor will result in transforming and updating oNode before using it to update oTargetElement.
|
|
* You can also pass a callback function to be executed when the update is finished. The function will be called as
|
|
* <code>functionName(oNode, oTargetElement);</code>
|
|
* @memberOf Sarissa
|
|
* @param {DOMNode} oNode the URL to make the request to
|
|
* @param {DOMElement} oTargetElement the element to update
|
|
* @param {XSLTProcessor} xsltproc (optional) the transformer to use on the given
|
|
* DOM node before updating the target element with it
|
|
*/
|
|
Sarissa.updateContentFromNode = function(oNode, oTargetElement, xsltproc) {
|
|
try {
|
|
Sarissa.updateCursor(oTargetElement, "wait");
|
|
Sarissa.clearChildNodes(oTargetElement);
|
|
// check for parsing errors
|
|
var ownerDoc = oNode.nodeType == Node.DOCUMENT_NODE?oNode:oNode.ownerDocument;
|
|
if(ownerDoc.parseError && ownerDoc.parseError.errorCode != 0) {
|
|
var pre = document.createElement("pre");
|
|
pre.appendChild(document.createTextNode(Sarissa.getParseErrorText(ownerDoc)));
|
|
oTargetElement.appendChild(pre);
|
|
}
|
|
else {
|
|
// transform if appropriate
|
|
if(xsltproc) {
|
|
oNode = xsltproc.transformToDocument(oNode);
|
|
}
|
|
// be smart, maybe the user wants to display the source instead
|
|
if(oTargetElement.tagName.toLowerCase() == "textarea" || oTargetElement.tagName.toLowerCase() == "input") {
|
|
oTargetElement.value = new XMLSerializer().serializeToString(oNode);
|
|
}
|
|
else {
|
|
// ok that was not smart; it was paranoid. Keep up the good work by trying to use DOM instead of innerHTML
|
|
try{
|
|
oTargetElement.appendChild(oTargetElement.ownerDocument.importNode(oNode, true));
|
|
}
|
|
catch(e){
|
|
oTargetElement.innerHTML = new XMLSerializer().serializeToString(oNode);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch(e) {
|
|
throw e;
|
|
}
|
|
finally{
|
|
Sarissa.updateCursor(oTargetElement, "auto");
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* Creates an HTTP URL query string from the given HTML form data
|
|
* @memberOf Sarissa
|
|
* @param {HTMLFormElement} oForm the form to construct the query string from
|
|
*/
|
|
Sarissa.formToQueryString = function(oForm){
|
|
var qs = "";
|
|
for(var i = 0;i < oForm.elements.length;i++) {
|
|
var oField = oForm.elements[i];
|
|
var sFieldName = oField.getAttribute("name") ? oField.getAttribute("name") : oField.getAttribute("id");
|
|
// ensure we got a proper name/id and that the field is not disabled
|
|
if(sFieldName &&
|
|
((!oField.disabled) || oField.type == "hidden")) {
|
|
switch(oField.type) {
|
|
case "hidden":
|
|
case "text":
|
|
case "textarea":
|
|
case "password":
|
|
qs += sFieldName + "=" + encodeURIComponent(oField.value) + "&";
|
|
break;
|
|
case "select-one":
|
|
qs += sFieldName + "=" + encodeURIComponent(oField.options[oField.selectedIndex].value) + "&";
|
|
break;
|
|
case "select-multiple":
|
|
for (var j = 0; j < oField.length; j++) {
|
|
var optElem = oField.options[j];
|
|
if (optElem.selected === true) {
|
|
qs += sFieldName + "[]" + "=" + encodeURIComponent(optElem.value) + "&";
|
|
}
|
|
}
|
|
break;
|
|
case "checkbox":
|
|
case "radio":
|
|
if(oField.checked) {
|
|
qs += sFieldName + "=" + encodeURIComponent(oField.value) + "&";
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
// return after removing last '&'
|
|
return qs.substr(0, qs.length - 1);
|
|
};
|
|
|
|
|
|
/**
|
|
* Asynchronously update an element with response of an XMLHttpRequest-based emulation of a form submission. <p>The form <code>action</code> and
|
|
* <code>method</code> attributess will be followed. Passing a configured XSLT processor will result in
|
|
* transforming and updating the server response before using it to update the target element.
|
|
* You can also pass a callback function to be executed when the update is finished. The function will be called as
|
|
* <code>functionName(oNode, oTargetElement);</code></p>
|
|
* <p>Here is an example of using this in a form element:</p>
|
|
* <pre name="code" class="xml">
|
|
* <div id="targetId"> this content will be updated</div>
|
|
* <form action="/my/form/handler" method="post"
|
|
* onbeforesubmit="return Sarissa.updateContentFromForm(this, document.getElementById('targetId'));"><pre>
|
|
* <p>If JavaScript is supported, the form will not be submitted. Instead, Sarissa will
|
|
* scan the form and make an appropriate AJAX request, also adding a parameter
|
|
* to signal to the server that this is an AJAX call. The parameter is
|
|
* constructed as <code>Sarissa.REMOTE_CALL_FLAG = "=true"</code> so you can change the name in your webpage
|
|
* simply by assigning another value to Sarissa.REMOTE_CALL_FLAG. If JavaScript is not supported
|
|
* the form will be submitted normally.
|
|
* @memberOf Sarissa
|
|
* @param {HTMLFormElement} oForm the form submition to emulate
|
|
* @param {DOMElement} oTargetElement the element to update
|
|
* @param {XSLTProcessor} xsltproc (optional) the transformer to use on the returned
|
|
* content before updating the target element with it
|
|
* @param {Function} callback (optional) a Function object to execute once the update is finished successfuly, called as <code>callback(oNode, oTargetElement)</code>.
|
|
* In case an exception occurs during excecution and a callback function was provided, the exception is cought and the callback is called as
|
|
* <code>callback(oForm, oTargetElement, exception)</code>
|
|
*/
|
|
Sarissa.updateContentFromForm = function(oForm, oTargetElement, xsltproc, callback) {
|
|
try{
|
|
Sarissa.updateCursor(oTargetElement, "wait");
|
|
// build parameters from form fields
|
|
var params = Sarissa.formToQueryString(oForm) + "&" + Sarissa.REMOTE_CALL_FLAG + "=true";
|
|
var xmlhttp = new XMLHttpRequest();
|
|
var bUseGet = oForm.getAttribute("method") && oForm.getAttribute("method").toLowerCase() == "get";
|
|
if(bUseGet) {
|
|
xmlhttp.open("GET", oForm.getAttribute("action")+"?"+params, true);
|
|
}
|
|
else{
|
|
xmlhttp.open('POST', oForm.getAttribute("action"), true);
|
|
xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
|
|
xmlhttp.setRequestHeader("Content-length", params.length);
|
|
xmlhttp.setRequestHeader("Connection", "close");
|
|
}
|
|
xmlhttp.onreadystatechange = function() {
|
|
try{
|
|
if (xmlhttp.readyState == 4) {
|
|
var oDomDoc = xmlhttp.responseXML;
|
|
if(oDomDoc && Sarissa.getParseErrorText(oDomDoc) == Sarissa.PARSED_OK){
|
|
Sarissa.updateContentFromNode(xmlhttp.responseXML, oTargetElement, xsltproc);
|
|
if(callback){
|
|
callback(oForm, oTargetElement);
|
|
}
|
|
}
|
|
else{
|
|
throw Sarissa.getParseErrorText(oDomDoc);
|
|
}
|
|
}
|
|
}
|
|
catch(e){
|
|
if(callback){
|
|
callback(oForm, oTargetElement, e);
|
|
}
|
|
else{
|
|
throw e;
|
|
}
|
|
}
|
|
};
|
|
xmlhttp.send(bUseGet?"":params);
|
|
}
|
|
catch(e){
|
|
Sarissa.updateCursor(oTargetElement, "auto");
|
|
if(callback){
|
|
callback(oForm, oTargetElement, e);
|
|
}
|
|
else{
|
|
throw e;
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
Sarissa.FUNCTION_NAME_REGEXP = new RegExp("");//new RegExp("function\\s+(\\S+)\\s*\\((.|\\n)*?\\)\\s*{");
|
|
/**
|
|
* Get the name of a function created like:
|
|
* <pre>function functionName(){}</pre>
|
|
* If a name is not found and the bForce parameter is true,
|
|
* attach the function to the window object with a new name and
|
|
* return that
|
|
* @param {Function} oFunc the function object
|
|
* @param {boolean} bForce whether to force a name under the window context if none is found
|
|
*/
|
|
Sarissa.getFunctionName = function(oFunc, bForce){
|
|
//alert("Sarissa.getFunctionName oFunc: "+oFunc);
|
|
var name;
|
|
if(!name){
|
|
if(bForce){
|
|
// attach to window object under a new name
|
|
name = "SarissaAnonymous" + Sarissa._getUniqueSuffix();
|
|
window[name] = oFunc;
|
|
}
|
|
else{
|
|
name = null;
|
|
}
|
|
}
|
|
|
|
//alert("Sarissa.getFunctionName returns: "+name);
|
|
if(name){
|
|
window[name] = oFunc;
|
|
}
|
|
return name;
|
|
};
|
|
|
|
/**
|
|
*
|
|
*/
|
|
Sarissa.setRemoteJsonCallback = function(url, callback, callbackParam) {
|
|
if(!callbackParam){
|
|
callbackParam = "callback";
|
|
}
|
|
var callbackFunctionName = Sarissa.getFunctionName(callback, true);
|
|
var id = "sarissa_json_script_id_" + Sarissa._getUniqueSuffix();
|
|
var oHead = document.getElementsByTagName("head")[0];
|
|
var scriptTag = document.createElement('script');
|
|
scriptTag.type = 'text/javascript';
|
|
scriptTag.id = id;
|
|
scriptTag.onload = function(){
|
|
// cleanUp
|
|
// document.removeChild(scriptTag);
|
|
};
|
|
if(url.indexOf("?") != -1){
|
|
url += ("&" + callbackParam + "=" + callbackFunctionName);
|
|
}
|
|
else{
|
|
url += ("?" + callbackParam + "=" + callbackFunctionName);
|
|
}
|
|
scriptTag.src = url;
|
|
oHead.appendChild(scriptTag);
|
|
return id;
|
|
};
|
|
|
|
// EOF
|