194 lines
7.2 KiB
JavaScript
194 lines
7.2 KiB
JavaScript
/*
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### jQuery XML to JSON Plugin v1.3 - 2013-02-18 ###
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* http://www.fyneworks.com/ - diego@fyneworks.com
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* Licensed under http://en.wikipedia.org/wiki/MIT_License
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###
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Website: http://www.fyneworks.com/jquery/xml-to-json/
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*//*
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# INSPIRED BY: http://www.terracoder.com/
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AND: http://www.thomasfrank.se/xml_to_json.html
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AND: http://www.kawa.net/works/js/xml/objtree-e.html
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*//*
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This simple script converts XML (document of code) into a JSON object. It is the combination of 2
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'xml to json' great parsers (see below) which allows for both 'simple' and 'extended' parsing modes.
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*/
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// Avoid collisions
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;if(window.jQuery) (function($){
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// Add function to jQuery namespace
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$.extend({
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// converts xml documents and xml text to json object
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xml2json: function(xml, extended) {
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if(!xml) return {}; // quick fail
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//### PARSER LIBRARY
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// Core function
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function parseXML(node, simple){
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if(!node) return null;
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var txt = '', obj = null, att = null;
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var nt = node.nodeType, nn = jsVar(node.localName || node.nodeName);
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var nv = node.text || node.nodeValue || '';
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/*DBG*/ //if(window.console) console.log(['x2j',nn,nt,nv.length+' bytes']);
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if(node.childNodes){
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if(node.childNodes.length>0){
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'CHILDREN',node.childNodes]);
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$.each(node.childNodes, function(n,cn){
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var cnt = cn.nodeType, cnn = jsVar(cn.localName || cn.nodeName);
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var cnv = cn.text || cn.nodeValue || '';
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'node>a',cnn,cnt,cnv]);
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if(cnt == 8){
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'node>b',cnn,'COMMENT (ignore)']);
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return; // ignore comment node
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}
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else if(cnt == 3 || cnt == 4 || !cnn){
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// ignore white-space in between tags
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if(cnv.match(/^\s+$/)){
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'node>c',cnn,'WHITE-SPACE (ignore)']);
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return;
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};
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'node>d',cnn,'TEXT']);
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txt += cnv.replace(/^\s+/,'').replace(/\s+$/,'');
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// make sure we ditch trailing spaces from markup
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}
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else{
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'node>e',cnn,'OBJECT']);
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obj = obj || {};
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if(obj[cnn]){
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'node>f',cnn,'ARRAY']);
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// http://forum.jquery.com/topic/jquery-jquery-xml2json-problems-when-siblings-of-the-same-tagname-only-have-a-textnode-as-a-child
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if(!obj[cnn].length) obj[cnn] = myArr(obj[cnn]);
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obj[cnn] = myArr(obj[cnn]);
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obj[cnn][ obj[cnn].length ] = parseXML(cn, true/* simple */);
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obj[cnn].length = obj[cnn].length;
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}
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else{
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'node>g',cnn,'dig deeper...']);
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obj[cnn] = parseXML(cn);
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};
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};
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});
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};//node.childNodes.length>0
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};//node.childNodes
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if(node.attributes){
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if(node.attributes.length>0){
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'ATTRIBUTES',node.attributes])
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att = {}; obj = obj || {};
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$.each(node.attributes, function(a,at){
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var atn = jsVar(at.name), atv = at.value;
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att[atn] = atv;
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if(obj[atn]){
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'attr>',atn,'ARRAY']);
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// http://forum.jquery.com/topic/jquery-jquery-xml2json-problems-when-siblings-of-the-same-tagname-only-have-a-textnode-as-a-child
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//if(!obj[atn].length) obj[atn] = myArr(obj[atn]);//[ obj[ atn ] ];
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obj[cnn] = myArr(obj[cnn]);
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obj[atn][ obj[atn].length ] = atv;
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obj[atn].length = obj[atn].length;
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}
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else{
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/*DBG*/ //if(window.console) console.log(['x2j',nn,'attr>',atn,'TEXT']);
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obj[atn] = atv;
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};
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});
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//obj['attributes'] = att;
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};//node.attributes.length>0
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};//node.attributes
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if(obj){
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obj = $.extend( (txt!='' ? new String(txt) : {}),/* {text:txt},*/ obj || {}/*, att || {}*/);
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//txt = (obj.text) ? (typeof(obj.text)=='object' ? obj.text : [obj.text || '']).concat([txt]) : txt;
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txt = (obj.text) ? ([obj.text || '']).concat([txt]) : txt;
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if(txt) obj.text = txt;
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txt = '';
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};
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var out = obj || txt;
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//console.log([extended, simple, out]);
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if(extended){
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if(txt) out = {};//new String(out);
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txt = out.text || txt || '';
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if(txt) out.text = txt;
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if(!simple) out = myArr(out);
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};
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return out;
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};// parseXML
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// Core Function End
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// Utility functions
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var jsVar = function(s){ return String(s || '').replace(/-/g,"_"); };
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// NEW isNum function: 01/09/2010
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// Thanks to Emile Grau, GigaTecnologies S.L., www.gigatransfer.com, www.mygigamail.com
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function isNum(s){
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// based on utility function isNum from xml2json plugin (http://www.fyneworks.com/ - diego@fyneworks.com)
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// few bugs corrected from original function :
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// - syntax error : regexp.test(string) instead of string.test(reg)
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// - regexp modified to accept comma as decimal mark (latin syntax : 25,24 )
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// - regexp modified to reject if no number before decimal mark : ".7" is not accepted
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// - string is "trimmed", allowing to accept space at the beginning and end of string
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var regexp=/^((-)?([0-9]+)(([\.\,]{0,1})([0-9]+))?$)/
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return (typeof s == "number") || regexp.test(String((s && typeof s == "string") ? jQuery.trim(s) : ''));
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};
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// OLD isNum function: (for reference only)
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//var isNum = function(s){ return (typeof s == "number") || String((s && typeof s == "string") ? s : '').test(/^((-)?([0-9]*)((\.{0,1})([0-9]+))?$)/); };
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var myArr = function(o){
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// http://forum.jquery.com/topic/jquery-jquery-xml2json-problems-when-siblings-of-the-same-tagname-only-have-a-textnode-as-a-child
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//if(!o.length) o = [ o ]; o.length=o.length;
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if(!$.isArray(o)) o = [ o ]; o.length=o.length;
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// here is where you can attach additional functionality, such as searching and sorting...
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return o;
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};
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// Utility functions End
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//### PARSER LIBRARY END
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// Convert plain text to xml
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if(typeof xml=='string') xml = $.text2xml(xml);
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// Quick fail if not xml (or if this is a node)
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if(!xml.nodeType) return;
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if(xml.nodeType == 3 || xml.nodeType == 4) return xml.nodeValue;
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// Find xml root node
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var root = (xml.nodeType == 9) ? xml.documentElement : xml;
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// Convert xml to json
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var out = parseXML(root, true /* simple */);
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// Clean-up memory
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xml = null; root = null;
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// Send output
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return out;
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},
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// Convert text to XML DOM
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text2xml: function(str) {
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// NOTE: I'd like to use jQuery for this, but jQuery makes all tags uppercase
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//return $(xml)[0];
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/* prior to jquery 1.9 */
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/*
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var out;
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try{
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var xml = ((!$.support.opacity && !$.support.style))?new ActiveXObject("Microsoft.XMLDOM"):new DOMParser();
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xml.async = false;
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}catch(e){ throw new Error("XML Parser could not be instantiated") };
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try{
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if((!$.support.opacity && !$.support.style)) out = (xml.loadXML(str))?xml:false;
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else out = xml.parseFromString(str, "text/xml");
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}catch(e){ throw new Error("Error parsing XML string") };
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return out;
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*/
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/* jquery 1.9+ */
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return $.parseXML(str);
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}
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}); // extend $
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})(jQuery);
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