/*
 ### jQuery XML to JSON Plugin v1.0 - 2008-07-01 ###
 * http://www.fyneworks.com/ - diego@fyneworks.com
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 ###
 Website: http://www.fyneworks.com/jquery/xml-to-json/
*//*
 # INSPIRED BY: http://www.terracoder.com/
           AND: http://www.thomasfrank.se/xml_to_json.html
*//*
 This simple script converts XML (document of code) into a JSON object. It is the combination of 2
 'xml to json' great parsers (see below) which allows for both 'simple' and 'extended' parsing modes.
*/
// Avoid collisions
;if(window.jQuery) (function($){
 
 // Add function to jQuery namespace
 $.extend({
  
  // converts xml documents and xml text to json object
  xml2json: function(xml, extended) {
   if(!xml) return {}; // quick fail
   
   //### PARSER LIBRARY
   // Core function
   function parseXML(node, simple){
    if(!node) return null;
    var txt = '', obj = null, att = null;
    var nt = node.nodeType, nn = jsVar(node.localName || node.nodeName);
    var nv = node.text || node.nodeValue || '';
    /*DBG*/ //if(window.console) console.log(['x2j',nn,nt,nv.length+' bytes']);
    if(node.childNodes){
     if(node.childNodes.length>0){
      /*DBG*/ //if(window.console) console.log(['x2j',nn,'CHILDREN',node.childNodes]);
      $.each(node.childNodes, function(n,cn){
       var cnt = cn.nodeType, cnn = jsVar(cn.localName || cn.nodeName);
       var cnv = cn.text || cn.nodeValue || '';
       /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>a',cnn,cnt,cnv]);
       if(cnt == 8){
        /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>b',cnn,'COMMENT (ignore)']);
        return; // ignore comment node
       }
       else if(cnt == 3 || cnt == 4 || !cnn){
        // ignore white-space in between tags
        if(cnv.match(/^\s+$/)){
         /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>c',cnn,'WHITE-SPACE (ignore)']);
         return;
        };
        /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>d',cnn,'TEXT']);
        txt += cnv.replace(/^\s+/,'').replace(/\s+$/,'');
								// make sure we ditch trailing spaces from markup
       }
       else{
        /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>e',cnn,'OBJECT']);
        obj = obj || {};
        if(obj[cnn]){
         /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>f',cnn,'ARRAY']);
         if(!obj[cnn].length) obj[cnn] = myArr(obj[cnn]);
         obj[cnn][ obj[cnn].length ] = parseXML(cn, true/* simple */);
         obj[cnn].length = obj[cnn].length;
        }
        else{
         /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>g',cnn,'dig deeper...']);
         obj[cnn] = parseXML(cn);
        };
       };
      });
     };//node.childNodes.length>0
    };//node.childNodes
    if(node.attributes){
     if(node.attributes.length>0){
      /*DBG*/ //if(window.console) console.log(['x2j',nn,'ATTRIBUTES',node.attributes])
      att = {}; obj = obj || {};
      $.each(node.attributes, function(a,at){
       var atn = jsVar(at.name), atv = at.value;
       att[atn] = atv;
       if(obj[atn]){
        /*DBG*/ //if(window.console) console.log(['x2j',nn,'attr>',atn,'ARRAY']);
        if(!obj[atn].length) obj[atn] = myArr(obj[atn]);//[ obj[ atn ] ];
        obj[atn][ obj[atn].length ] = atv;
        obj[atn].length = obj[atn].length;
       }
       else{
        /*DBG*/ //if(window.console) console.log(['x2j',nn,'attr>',atn,'TEXT']);
        obj[atn] = atv;
       };
      });
      //obj['attributes'] = att;
     };//node.attributes.length>0
    };//node.attributes
    if(obj){
     obj = $.extend( (txt!='' ? new String(txt) : {}),/* {text:txt},*/ obj || {}/*, att || {}*/);
     txt = (obj.text) ? (typeof(obj.text)=='object' ? obj.text : [obj.text || '']).concat([txt]) : txt;
     if(txt) obj.text = txt;
     txt = '';
    };
    var out = obj || txt;
    //console.log([extended, simple, out]);
    if(extended){
     if(txt) out = {};//new String(out);
     txt = out.text || txt || '';
     if(txt) out.text = txt;
     if(!simple) out = myArr(out);
    };
    return out;
   };// parseXML
   // Core Function End
   // Utility functions
   var jsVar = function(s){ return String(s || '').replace(/-/g,"_"); };
   var isNum = function(s){ return (typeof s == "number") || String((s && typeof s == "string") ? s : '').test(/^((-)?([0-9]*)((\.{0,1})([0-9]+))?$)/); };
   var myArr = function(o){
    if(!o.length) o = [ o ]; o.length=o.length;
    // here is where you can attach additional functionality, such as searching and sorting...
    return o;
   };
   // Utility functions End
   //### PARSER LIBRARY END
   
   // Convert plain text to xml
   if(typeof xml=='string') xml = $.text2xml(xml);
   
   // Quick fail if not xml (or if this is a node)
   if(!xml.nodeType) return;
   if(xml.nodeType == 3 || xml.nodeType == 4) return xml.nodeValue;
   
   // Find xml root node
   var root = (xml.nodeType == 9) ? xml.documentElement : xml;
   
   // Convert xml to json
   var out = parseXML(root, true /* simple */);
   
   // Clean-up memory
   xml = null; root = null;
   
   // Send output
   return out;
  },
  
  // Convert text to XML DOM
  text2xml: function(str) {
   // NOTE: I'd like to use jQuery for this, but jQuery makes all tags uppercase
   //return $(xml)[0];
   var out;
   try{
    var xml = ($.browser.msie)?new ActiveXObject("Microsoft.XMLDOM"):new DOMParser();
    xml.async = false;
   }catch(e){ throw new Error("XML Parser could not be instantiated") };
   try{
    if($.browser.msie) out = (xml.loadXML(str))?xml:false;
    else out = xml.parseFromString(str, "text/xml");
   }catch(e){ throw new Error("Error parsing XML string") };
   return out;
  },
  show_json_structure:function(obj,debug,l){
		var x='';
		if (obj.sort){x+="[\n"} else {x+="{\n"};
		for (var i in obj){
			if (!obj.sort){x+=i+":"};
			if (typeof obj[i] == "object"){
				x+=this.show_json_structure(obj[i],false,1)
			}
			else {
				if(typeof obj[i]=="function"){
					var v=obj[i]+"";
					//v=v.replace(/\t/g,"");
					x+=v
				}
				else if(typeof obj[i]!="string"){x+=obj[i]+",\n"}
				else {x+="'"+obj[i].replace(/\'/g,"\\'").replace(/\n/g,"\\n").replace(/\t/g,"\\t").replace(/\r/g,"\\r")+"',\n"}
			}
		};
		if (obj.sort){x+="],\n"} else {x+="},\n"};
		if (!l){
			x=x.substring(0,x.lastIndexOf(","));
			x=x.replace(new RegExp(",\n}","g"),"\n}");
			x=x.replace(new RegExp(",\n]","g"),"\n]");
			var y=x.split("\n");x="";
			var lvl=0;
			for (var i=0;i<y.length;i++){
				if(y[i].indexOf("}")>=0 || y[i].indexOf("]")>=0){lvl--};
				tabs="";for(var j=0;j<lvl;j++){tabs+="\t"};
				x+=tabs+y[i]+"\n";
				if(y[i].indexOf("{")>=0 || y[i].indexOf("[")>=0){lvl++}
			};
			if(debug=="html"){
				x=x.replace(/</g,"&lt;").replace(/>/g,"&gt;");
				x=x.replace(/\n/g,"<BR>").replace(/\t/g,"&nbsp;&nbsp;&nbsp;&nbsp;")
			};
			if (debug=="compact"){x=x.replace(/\n/g,"").replace(/\t/g,"")}
		};
		return x
	}
 }); // extend $

})(jQuery);