3 ** pz2.js - pazpar2's javascript client library.
6 //since explorer is flawed
8 window.Node = new Object();
10 Node.ATTRIBUTE_NODE = 2;
12 Node.CDATA_SECTION_NODE = 4;
13 Node.ENTITY_REFERENCE_NODE = 5;
15 Node.PROCESSING_INSTRUCTION_NODE = 7;
16 Node.COMMENT_NODE = 8;
17 Node.DOCUMENT_NODE = 9;
18 Node.DOCUMENT_TYPE_NODE = 10;
19 Node.DOCUMENT_FRAGMENT_NODE = 11;
20 Node.NOTATION_NODE = 12;
23 // prevent execution of more than once
24 if(typeof window.pz2 == "undefined") {
25 window.undefined = window.undefined;
27 var pz2 = function ( paramArray )
30 // at least one callback required
32 throw new Error("Pz2.js: Array with parameters has to be suplied.");
34 //supported pazpar2's protocol version
35 this.suppProtoVer = '1';
36 if (typeof paramArray.pazpar2path != "undefined")
37 this.pz2String = paramArray.pazpar2path;
39 this.pz2String = "/pazpar2/search.pz2";
40 this.useSessions = true;
42 this.stylesheet = paramArray.detailstylesheet || null;
43 //load stylesheet if required in async mode
44 if( this.stylesheet ) {
46 var request = new pzHttpRequest( this.stylesheet );
47 request.get( {}, function ( doc ) { context.xslDoc = doc; } );
50 this.errorHandler = paramArray.errorhandler || null;
51 this.showResponseType = paramArray.showResponseType || "xml";
54 this.initCallback = paramArray.oninit || null;
55 this.statCallback = paramArray.onstat || null;
56 this.showCallback = paramArray.onshow || null;
57 this.termlistCallback = paramArray.onterm || null;
58 this.recordCallback = paramArray.onrecord || null;
59 this.bytargetCallback = paramArray.onbytarget || null;
60 this.resetCallback = paramArray.onreset || null;
63 this.termKeys = paramArray.termlist || "subject";
65 // some configurational stuff
66 this.keepAlive = 50000;
68 if ( paramArray.keepAlive < this.keepAlive )
69 this.keepAlive = paramArray.keepAlive;
71 this.sessionID = null;
72 this.serviceId = paramArray.serviceId || null;
73 this.initStatusOK = false;
74 this.pingStatusOK = false;
75 this.searchStatusOK = false;
78 this.currentSort = "relevance";
81 this.currentStart = 0;
82 // currentNum can be overwritten in show
85 // last full record retrieved
86 this.currRecID = null;
89 this.currQuery = null;
91 //current raw record offset
92 this.currRecOffset = null;
95 this.pingTimer = null;
96 this.statTime = paramArray.stattime || 1000;
97 this.statTimer = null;
98 this.termTime = paramArray.termtime || 1000;
99 this.termTimer = null;
100 this.showTime = paramArray.showtime || 1000;
101 this.showTimer = null;
102 this.showFastCount = 4;
103 this.bytargetTime = paramArray.bytargettime || 1000;
104 this.bytargetTimer = null;
105 this.recordTime = paramArray.recordtime || 500;
106 this.recordTimer = null;
108 // counters for each command and applied delay
109 this.dumpFactor = 500;
110 this.showCounter = 0;
111 this.termCounter = 0;
112 this.statCounter = 0;
113 this.bytargetCounter = 0;
114 this.recordCounter = 0;
116 // active clients, updated by stat and show
117 // might be an issue since bytarget will poll accordingly
118 this.activeClients = 1;
120 // if in proxy mode no need to init
121 if (paramArray.usesessions != undefined) {
122 this.useSessions = paramArray.usesessions;
123 this.initStatusOK = true;
125 // else, auto init session or wait for a user init?
126 if (this.useSessions && paramArray.autoInit !== false) {
127 this.init(this.sessionId, this.serviceId);
133 //error handler for async error throws
134 throwError: function (errMsg, errCode)
136 var err = new Error(errMsg);
137 if (errCode) err.code = errCode;
139 if (this.errorHandler) {
140 this.errorHandler(err);
147 // stop activity by clearing tiemouts
150 clearTimeout(this.statTimer);
151 clearTimeout(this.showTimer);
152 clearTimeout(this.termTimer);
153 clearTimeout(this.bytargetTimer);
156 // reset status variables
159 if ( this.useSessions ) {
160 this.sessionID = null;
161 this.initStatusOK = false;
162 this.pingStatusOK = false;
163 clearTimeout(this.pingTimer);
165 this.searchStatusOK = false;
168 if ( this.resetCallback )
169 this.resetCallback();
172 init: function (sessionId, serviceId)
176 // session id as a param
177 if (sessionId && this.useSessions ) {
178 this.initStatusOK = true;
179 this.sessionID = sessionId;
181 // old school direct pazpar2 init
182 } else if (this.useSessions) {
184 var request = new pzHttpRequest(this.pz2String, this.errorHandler);
185 var opts = {'command' : 'init'};
186 if (serviceId) opts.service = serviceId;
190 if ( data.getElementsByTagName("status")[0]
191 .childNodes[0].nodeValue == "OK" ) {
192 if ( data.getElementsByTagName("protocol")[0]
193 .childNodes[0].nodeValue
194 != context.suppProtoVer )
196 "Server's protocol not supported by the client"
198 context.initStatusOK = true;
200 data.getElementsByTagName("session")[0]
201 .childNodes[0].nodeValue;
209 if ( context.initCallback )
210 context.initCallback();
213 context.throwError('Init failed. Malformed WS resonse.',
217 // when through proxy no need to init
219 this.initStatusOK = true;
222 // no need to ping explicitly
225 // pinging only makes sense when using pazpar2 directly
226 if( !this.initStatusOK || !this.useSessions )
228 'Pz2.js: Ping not allowed (proxy mode) or session not initialized.'
232 clearTimeout(context.pingTimer);
234 var request = new pzHttpRequest(this.pz2String, this.errorHandler);
236 { "command": "ping", "session": this.sessionID, "windowid" : window.name },
238 if ( data.getElementsByTagName("status")[0]
239 .childNodes[0].nodeValue == "OK" ) {
240 context.pingStatusOK = true;
250 context.throwError('Ping failed. Malformed WS resonse.',
255 search: function (query, num, sort, filter, showfrom, addParamsArr)
257 clearTimeout(this.statTimer);
258 clearTimeout(this.showTimer);
259 clearTimeout(this.termTimer);
260 clearTimeout(this.bytargetTimer);
262 this.showCounter = 0;
263 this.termCounter = 0;
264 this.bytargetCounter = 0;
265 this.statCounter = 0;
266 this.activeClients = 1;
269 if( !this.initStatusOK )
270 throw new Error('Pz2.js: session not initialized.');
272 if( query !== undefined )
273 this.currQuery = query;
275 throw new Error("Pz2.js: no query supplied to the search command.");
277 if ( showfrom !== undefined )
278 var start = showfrom;
284 "query": this.currQuery,
285 "session": this.sessionID,
286 "windowid" : window.name
289 if (filter !== undefined)
290 searchParams["filter"] = filter;
292 // copy additional parmeters, do not overwrite
293 if (addParamsArr != undefined) {
294 for (var prop in addParamsArr) {
295 if (!searchParams.hasOwnProperty(prop))
296 searchParams[prop] = addParamsArr[prop];
301 var request = new pzHttpRequest(this.pz2String, this.errorHandler);
305 if ( data.getElementsByTagName("status")[0]
306 .childNodes[0].nodeValue == "OK" ) {
307 context.searchStatusOK = true;
309 context.show(start, num, sort);
310 if (context.statCallback)
312 if (context.termlistCallback)
314 if (context.bytargetCallback)
318 context.throwError('Search failed. Malformed WS resonse.',
325 if( !this.initStatusOK )
326 throw new Error('Pz2.js: session not initialized.');
328 // if called explicitly takes precedence
329 clearTimeout(this.statTimer);
332 var request = new pzHttpRequest(this.pz2String, this.errorHandler);
334 { "command": "stat", "session": this.sessionID, "windowid" : window.name },
336 if ( data.getElementsByTagName("stat") ) {
338 Number( data.getElementsByTagName("activeclients")[0]
339 .childNodes[0].nodeValue );
340 context.activeClients = activeClients;
342 var stat = Element_parseChildNodes(data.documentElement);
344 context.statCounter++;
345 var delay = context.statTime
346 + context.statCounter * context.dumpFactor;
348 if ( activeClients > 0 )
356 context.statCallback(stat);
359 context.throwError('Stat failed. Malformed WS resonse.',
364 show: function(start, num, sort)
366 if( !this.searchStatusOK && this.useSessions )
368 'Pz2.js: show command has to be preceded with a search command.'
371 // if called explicitly takes precedence
372 clearTimeout(this.showTimer);
374 if( sort !== undefined )
375 this.currentSort = sort;
376 if( start !== undefined )
377 this.currentStart = Number( start );
378 if( num !== undefined )
379 this.currentNum = Number( num );
382 var request = new pzHttpRequest(this.pz2String, this.errorHandler);
386 "session": this.sessionID,
387 "start": this.currentStart,
388 "num": this.currentNum,
389 "sort": this.currentSort,
391 "type": this.showResponseType,
392 "windowid" : window.name
394 function(data, type) {
396 var activeClients = 0;
397 if (type === "json") {
399 activeClients = Number(data.activeclients[0]);
400 show.activeclients = activeClients;
401 show.merged = Number(data.merged[0]);
402 show.total = Number(data.total[0]);
403 show.start = Number(data.start[0]);
404 show.num = Number(data.num[0]);
405 show.hits = data.hit;
406 } else if (data.getElementsByTagName("status")[0]
407 .childNodes[0].nodeValue == "OK") {
408 // first parse the status data send along with records
409 // this is strictly bound to the format
411 Number(data.getElementsByTagName("activeclients")[0]
412 .childNodes[0].nodeValue);
414 "activeclients": activeClients,
416 Number( data.getElementsByTagName("merged")[0]
417 .childNodes[0].nodeValue ),
419 Number( data.getElementsByTagName("total")[0]
420 .childNodes[0].nodeValue ),
422 Number( data.getElementsByTagName("start")[0]
423 .childNodes[0].nodeValue ),
425 Number( data.getElementsByTagName("num")[0]
426 .childNodes[0].nodeValue ),
429 // parse all the first-level nodes for all <hit> tags
430 var hits = data.getElementsByTagName("hit");
431 for (i = 0; i < hits.length; i++)
432 show.hits[i] = Element_parseChildNodes(hits[i]);
434 context.throwError('Show failed. Malformed WS resonse.',
437 context.activeClients = activeClients;
438 context.showCounter++;
439 var delay = context.showTime;
440 if (context.showCounter > context.showFastCount)
441 delay += context.showCounter * context.dumpFactor;
442 if ( activeClients > 0 )
443 context.showTimer = setTimeout(
448 context.showCallback(show);
452 record: function(id, offset, syntax, handler)
454 // we may call record with no previous search if in proxy mode
455 if(!this.searchStatusOK && this.useSessions)
457 'Pz2.js: record command has to be preceded with a search command.'
460 if( id !== undefined )
465 "session": this.sessionID,
466 "id": this.currRecID,
467 "windowid" : window.name
470 this.currRecOffset = null;
471 if (offset != undefined) {
472 recordParams["offset"] = offset;
473 this.currRecOffset = offset;
476 if (syntax != undefined)
477 recordParams['syntax'] = syntax;
479 //overwrite default callback id needed
480 var callback = this.recordCallback;
481 var args = undefined;
482 if (handler != undefined) {
483 callback = handler['callback'];
484 args = handler['args'];
488 var request = new pzHttpRequest(this.pz2String, this.errorHandler);
496 if (context.currRecOffset !== null) {
497 record = new Array();
498 record['xmlDoc'] = data;
499 record['offset'] = context.currRecOffset;
500 callback(record, args);
502 } else if ( recordNode =
503 data.getElementsByTagName("record")[0] ) {
504 // if stylesheet was fetched do not parse the response
505 if ( context.xslDoc ) {
506 record = new Array();
507 record['xmlDoc'] = data;
508 record['xslDoc'] = context.xslDoc;
510 recordNode.getElementsByTagName("recid")[0]
511 .firstChild.nodeValue;
514 record = Element_parseChildNodes(recordNode);
517 Number( data.getElementsByTagName("activeclients")[0]
518 .childNodes[0].nodeValue );
519 context.activeClients = activeClients;
520 context.recordCounter++;
521 var delay = context.recordTime + context.recordCounter * context.dumpFactor;
522 if ( activeClients > 0 )
523 context.recordTimer =
526 context.record(id, offset, syntax, handler);
530 callback(record, args);
533 context.throwError('Record failed. Malformed WS resonse.',
541 if( !this.searchStatusOK && this.useSessions )
543 'Pz2.js: termlist command has to be preceded with a search command.'
546 // if called explicitly takes precedence
547 clearTimeout(this.termTimer);
550 var request = new pzHttpRequest(this.pz2String, this.errorHandler);
553 "command": "termlist",
554 "session": this.sessionID,
555 "name": this.termKeys,
556 "windowid" : window.name
559 if ( data.getElementsByTagName("termlist") ) {
561 Number( data.getElementsByTagName("activeclients")[0]
562 .childNodes[0].nodeValue );
563 context.activeClients = activeClients;
564 var termList = { "activeclients": activeClients };
565 var termLists = data.getElementsByTagName("list");
567 for (i = 0; i < termLists.length; i++) {
568 var listName = termLists[i].getAttribute('name');
569 termList[listName] = new Array();
570 var terms = termLists[i].getElementsByTagName('term');
571 //for each term in the list
572 for (j = 0; j < terms.length; j++) {
575 (terms[j].getElementsByTagName("name")[0]
577 ? terms[j].getElementsByTagName("name")[0]
578 .childNodes[0].nodeValue
582 .getElementsByTagName("frequency")[0]
583 .childNodes[0].nodeValue || 'ERROR'
587 terms[j].getElementsByTagName("id");
588 if(terms[j].getElementsByTagName("id").length)
590 termIdNode[0].childNodes[0].nodeValue;
591 termList[listName][j] = term;
595 context.termCounter++;
596 var delay = context.termTime
597 + context.termCounter * context.dumpFactor;
598 if ( activeClients > 0 )
607 context.termlistCallback(termList);
610 context.throwError('Termlist failed. Malformed WS resonse.',
618 if( !this.initStatusOK && this.useSessions )
620 'Pz2.js: bytarget command has to be preceded with a search command.'
623 // no need to continue
624 if( !this.searchStatusOK )
627 // if called explicitly takes precedence
628 clearTimeout(this.bytargetTimer);
631 var request = new pzHttpRequest(this.pz2String, this.errorHandler);
634 "command": "bytarget",
635 "session": this.sessionID,
637 "windowid" : window.name
640 if ( data.getElementsByTagName("status")[0]
641 .childNodes[0].nodeValue == "OK" ) {
642 var targetNodes = data.getElementsByTagName("target");
643 var bytarget = new Array();
644 for ( i = 0; i < targetNodes.length; i++) {
645 bytarget[i] = new Array();
646 for( j = 0; j < targetNodes[i].childNodes.length; j++ ) {
647 if ( targetNodes[i].childNodes[j].nodeType
648 == Node.ELEMENT_NODE ) {
650 targetNodes[i].childNodes[j].nodeName;
652 targetNodes[i].childNodes[j]
653 .firstChild.nodeValue;
654 bytarget[i][nodeName] = nodeText;
657 if (bytarget[i]["state"]=="Client_Disconnected") {
658 bytarget[i]["hits"] = "Error";
659 } else if (bytarget[i]["state"]=="Client_Error") {
660 bytarget[i]["hits"] = "Error";
661 } else if (bytarget[i]["state"]=="Client_Working") {
662 bytarget[i]["hits"] = "...";
664 if (bytarget[i].diagnostic == "1") {
665 bytarget[i].diagnostic = "Permanent system error";
666 } else if (bytarget[i].diagnostic == "2") {
667 bytarget[i].diagnostic = "Temporary system error";
669 var targetsSuggestions = targetNodes[i].getElementsByTagName("suggestions");
670 if (targetsSuggestions != undefined && targetsSuggestions.length>0) {
671 var suggestions = targetsSuggestions[0];
672 bytarget[i]["suggestions"] = Element_parseChildNodes(suggestions);
676 context.bytargetCounter++;
677 var delay = context.bytargetTime
678 + context.bytargetCounter * context.dumpFactor;
679 if ( context.activeClients > 0 )
680 context.bytargetTimer =
688 context.bytargetCallback(bytarget);
691 context.throwError('Bytarget failed. Malformed WS resonse.',
697 // just for testing, probably shouldn't be here
698 showNext: function(page)
700 var step = page || 1;
701 this.show( ( step * this.currentNum ) + this.currentStart );
704 showPrev: function(page)
706 if (this.currentStart == 0 )
708 var step = page || 1;
709 var newStart = this.currentStart - (step * this.currentNum );
710 this.show( newStart > 0 ? newStart : 0 );
713 showPage: function(pageNum)
715 //var page = pageNum || 1;
716 this.show(pageNum * this.currentNum);
721 ********************************************************************************
722 ** AJAX HELPER CLASS ***********************************************************
723 ********************************************************************************
725 var pzHttpRequest = function ( url, errorHandler ) {
726 this.maxUrlLength = 2048;
729 this.errorHandler = errorHandler || null;
731 this.requestHeaders = {};
733 if ( window.XMLHttpRequest ) {
734 this.request = new XMLHttpRequest();
735 } else if ( window.ActiveXObject ) {
737 this.request = new ActiveXObject( 'Msxml2.XMLHTTP' );
739 this.request = new ActiveXObject( 'Microsoft.XMLHTTP' );
745 pzHttpRequest.prototype =
747 safeGet: function ( params, callback )
749 var encodedParams = this.encodeParams(params);
750 var url = this._urlAppendParams(encodedParams);
751 if (url.length >= this.maxUrlLength) {
752 this.requestHeaders["Content-Type"]
753 = "application/x-www-form-urlencoded";
754 this._send( 'POST', this.url, encodedParams, callback );
756 this._send( 'GET', url, '', callback );
760 get: function ( params, callback )
762 this._send( 'GET', this._urlAppendParams(this.encodeParams(params)),
766 post: function ( params, data, callback )
768 this._send( 'POST', this._urlAppendParams(this.encodeParams(params)),
775 this.request.open( 'GET', this.url, this.async );
776 this.request.send('');
777 if ( this.request.status == 200 )
778 return this.request.responseXML;
781 encodeParams: function (params)
785 for (var key in params) {
786 if (params[key] != null) {
787 encoded += sep + key + '=' + encodeURIComponent(params[key]);
794 _send: function ( type, url, data, callback)
797 this.callback = callback;
799 this.request.open( type, url, this.async );
800 for (var key in this.requestHeaders)
801 this.request.setRequestHeader(key, this.requestHeaders[key]);
802 this.request.onreadystatechange = function () {
803 context._handleResponse(url); /// url used ONLY for error reporting
805 this.request.send(data);
808 _urlAppendParams: function (encodedParams)
811 return this.url + "?" + encodedParams;
816 _handleResponse: function (savedUrlForErrorReporting)
818 if ( this.request.readyState == 4 ) {
819 // pick up appplication errors first
821 if (this.request.responseXML &&
822 (errNode = this.request.responseXML.documentElement)
823 && errNode.nodeName == 'error') {
824 var errMsg = errNode.getAttribute("msg");
825 var errCode = errNode.getAttribute("code");
827 if (errNode.childNodes.length)
828 errAddInfo = ': ' + errNode.childNodes[0].nodeValue;
830 var err = new Error(errMsg + errAddInfo);
833 if (this.errorHandler) {
834 this.errorHandler(err);
839 } else if (this.request.status == 200 &&
840 this.request.responseXML == null) {
841 if (this.request.responseText != null) {
845 var text = this.request.responseText;
846 if (typeof window.JSON == "undefined")
847 json = eval("(" + text + ")");
850 json = JSON.parse(text);
853 // Safari: eval will fail as well. Considering trying JSON2 (non-native implementation) instead
854 /* DEBUG only works in mk2-mobile
855 if (document.getElementById("log"))
856 document.getElementById("log").innerHTML = "" + e + " " + length + ": " + text;
859 json = eval("(" + text + ")");
862 /* DEBUG only works in mk2-mobile
863 if (document.getElementById("log"))
864 document.getElementById("log").innerHTML = "" + e + " " + length + ": " + text;
869 this.callback(json, "json");
871 var err = new Error("XML response is empty but no error " +
872 "for " + savedUrlForErrorReporting);
874 if (this.errorHandler) {
875 this.errorHandler(err);
880 } else if (this.request.status == 200) {
881 this.callback(this.request.responseXML);
883 var err = new Error("HTTP response not OK: "
884 + this.request.status + " - "
885 + this.request.statusText );
886 err.code = '00' + this.request.status;
887 if (this.errorHandler) {
888 this.errorHandler(err);
899 ********************************************************************************
900 ** XML HELPER FUNCTIONS ********************************************************
901 ********************************************************************************
906 if ( window.ActiveXObject) {
907 var DOMDoc = document;
909 var DOMDoc = Document.prototype;
912 DOMDoc.newXmlDoc = function ( root )
916 if (document.implementation && document.implementation.createDocument) {
917 doc = document.implementation.createDocument('', root, null);
918 } else if ( window.ActiveXObject ) {
919 doc = new ActiveXObject("MSXML2.DOMDocument");
920 doc.loadXML('<' + root + '/>');
922 throw new Error ('No XML support in this browser');
929 DOMDoc.parseXmlFromString = function ( xmlString )
933 if ( window.DOMParser ) {
934 var parser = new DOMParser();
935 doc = parser.parseFromString( xmlString, "text/xml");
936 } else if ( window.ActiveXObject ) {
937 doc = new ActiveXObject("MSXML2.DOMDocument");
938 doc.loadXML( xmlString );
940 throw new Error ("No XML parsing support in this browser.");
946 DOMDoc.transformToDoc = function (xmlDoc, xslDoc)
948 if ( window.XSLTProcessor ) {
949 var proc = new XSLTProcessor();
950 proc.importStylesheet( xslDoc );
951 return proc.transformToDocument(xmlDoc);
952 } else if ( window.ActiveXObject ) {
953 return document.parseXmlFromString(xmlDoc.transformNode(xslDoc));
955 alert( 'Unable to perform XSLT transformation in this browser' );
961 Element_removeFromDoc = function (DOM_Element)
963 DOM_Element.parentNode.removeChild(DOM_Element);
966 Element_emptyChildren = function (DOM_Element)
968 while( DOM_Element.firstChild ) {
969 DOM_Element.removeChild( DOM_Element.firstChild )
973 Element_appendTransformResult = function ( DOM_Element, xmlDoc, xslDoc )
975 if ( window.XSLTProcessor ) {
976 var proc = new XSLTProcessor();
977 proc.importStylesheet( xslDoc );
979 docFrag = proc.transformToFragment( xmlDoc, DOM_Element.ownerDocument );
980 DOM_Element.appendChild(docFrag);
981 } else if ( window.ActiveXObject ) {
982 DOM_Element.innerHTML = xmlDoc.transformNode( xslDoc );
984 alert( 'Unable to perform XSLT transformation in this browser' );
988 Element_appendTextNode = function (DOM_Element, tagName, textContent )
990 var node = DOM_Element.ownerDocument.createElement(tagName);
991 var text = DOM_Element.ownerDocument.createTextNode(textContent);
993 DOM_Element.appendChild(node);
994 node.appendChild(text);
999 Element_setTextContent = function ( DOM_Element, textContent )
1001 if (typeof DOM_Element.textContent !== "undefined") {
1002 DOM_Element.textContent = textContent;
1003 } else if (typeof DOM_Element.innerText !== "undefined" ) {
1004 DOM_Element.innerText = textContent;
1006 throw new Error("Cannot set text content of the node, no such method.");
1010 Element_getTextContent = function (DOM_Element)
1012 if ( typeof DOM_Element.textContent != 'undefined' ) {
1013 return DOM_Element.textContent;
1014 } else if (typeof DOM_Element.text != 'undefined') {
1015 return DOM_Element.text;
1017 throw new Error("Cannot get text content of the node, no such method.");
1021 Element_parseChildNodes = function (node)
1024 var hasChildElems = false;
1026 if (node.hasChildNodes()) {
1027 var children = node.childNodes;
1028 for (var i = 0; i < children.length; i++) {
1029 var child = children[i];
1030 if (child.nodeType == Node.ELEMENT_NODE) {
1031 hasChildElems = true;
1032 var nodeName = child.nodeName;
1033 if (!(nodeName in parsed))
1034 parsed[nodeName] = [];
1035 parsed[nodeName].push(Element_parseChildNodes(child));
1040 var attrs = node.attributes;
1041 for (var i = 0; i < attrs.length; i++) {
1042 var attrName = '@' + attrs[i].nodeName;
1043 var attrValue = attrs[i].nodeValue;
1044 parsed[attrName] = attrValue;
1047 // if no nested elements, get text content
1048 if (node.hasChildNodes() && !hasChildElems) {
1049 if (node.attributes.length)
1050 parsed['#text'] = node.firstChild.nodeValue;
1052 parsed = node.firstChild.nodeValue;
1058 /* do not remove trailing bracket */