Andrey Pavlov | 9b47f32 | 2020-04-05 22:31:40 +0300 | [diff] [blame^] | 1 | /* |
| 2 | ### jQuery XML to JSON Plugin v1.3 - 2013-02-18 ### |
| 3 | * http://www.fyneworks.com/ - diego@fyneworks.com |
| 4 | * Licensed under http://en.wikipedia.org/wiki/MIT_License |
| 5 | ### |
| 6 | Website: http://www.fyneworks.com/jquery/xml-to-json/ |
| 7 | *//* |
| 8 | # INSPIRED BY: http://www.terracoder.com/ |
| 9 | AND: http://www.thomasfrank.se/xml_to_json.html |
| 10 | AND: http://www.kawa.net/works/js/xml/objtree-e.html |
| 11 | *//* |
| 12 | This simple script converts XML (document of code) into a JSON object. It is the combination of 2 |
| 13 | 'xml to json' great parsers (see below) which allows for both 'simple' and 'extended' parsing modes. |
| 14 | */ |
| 15 | // Avoid collisions |
| 16 | ;if(window.jQuery) (function($){ |
| 17 | |
| 18 | // Add function to jQuery namespace |
| 19 | $.extend({ |
| 20 | |
| 21 | // converts xml documents and xml text to json object |
| 22 | xml2json: function(xml, extended) { |
| 23 | if(!xml) return {}; // quick fail |
| 24 | |
| 25 | //### PARSER LIBRARY |
| 26 | // Core function |
| 27 | function parseXML(node, simple){ |
| 28 | if(!node) return null; |
| 29 | var txt = '', obj = null, att = null; |
| 30 | var nt = node.nodeType, nn = jsVar(node.localName || node.nodeName); |
| 31 | var nv = node.text || node.nodeValue || ''; |
| 32 | /*DBG*/ //if(window.console) console.log(['x2j',nn,nt,nv.length+' bytes']); |
| 33 | if(node.childNodes){ |
| 34 | if(node.childNodes.length>0){ |
| 35 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'CHILDREN',node.childNodes]); |
| 36 | $.each(node.childNodes, function(n,cn){ |
| 37 | var cnt = cn.nodeType, cnn = jsVar(cn.localName || cn.nodeName); |
| 38 | var cnv = cn.text || cn.nodeValue || ''; |
| 39 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>a',cnn,cnt,cnv]); |
| 40 | if(cnt == 8){ |
| 41 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>b',cnn,'COMMENT (ignore)']); |
| 42 | return; // ignore comment node |
| 43 | } |
| 44 | else if(cnt == 3 || cnt == 4 || !cnn){ |
| 45 | // ignore white-space in between tags |
| 46 | if(cnv.match(/^\s+$/)){ |
| 47 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>c',cnn,'WHITE-SPACE (ignore)']); |
| 48 | return; |
| 49 | }; |
| 50 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>d',cnn,'TEXT']); |
| 51 | txt += cnv.replace(/^\s+/,'').replace(/\s+$/,''); |
| 52 | // make sure we ditch trailing spaces from markup |
| 53 | } |
| 54 | else{ |
| 55 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>e',cnn,'OBJECT']); |
| 56 | obj = obj || {}; |
| 57 | if(obj[cnn]){ |
| 58 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>f',cnn,'ARRAY']); |
| 59 | |
| 60 | // http://forum.jquery.com/topic/jquery-jquery-xml2json-problems-when-siblings-of-the-same-tagname-only-have-a-textnode-as-a-child |
| 61 | if(!obj[cnn].length) obj[cnn] = myArr(obj[cnn]); |
| 62 | obj[cnn] = myArr(obj[cnn]); |
| 63 | |
| 64 | obj[cnn][ obj[cnn].length ] = parseXML(cn, true/* simple */); |
| 65 | obj[cnn].length = obj[cnn].length; |
| 66 | } |
| 67 | else{ |
| 68 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'node>g',cnn,'dig deeper...']); |
| 69 | obj[cnn] = parseXML(cn); |
| 70 | }; |
| 71 | }; |
| 72 | }); |
| 73 | };//node.childNodes.length>0 |
| 74 | };//node.childNodes |
| 75 | if(node.attributes){ |
| 76 | if(node.attributes.length>0){ |
| 77 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'ATTRIBUTES',node.attributes]) |
| 78 | att = {}; obj = obj || {}; |
| 79 | $.each(node.attributes, function(a,at){ |
| 80 | var atn = jsVar(at.name), atv = at.value; |
| 81 | att[atn] = atv; |
| 82 | if(obj[atn]){ |
| 83 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'attr>',atn,'ARRAY']); |
| 84 | |
| 85 | // http://forum.jquery.com/topic/jquery-jquery-xml2json-problems-when-siblings-of-the-same-tagname-only-have-a-textnode-as-a-child |
| 86 | //if(!obj[atn].length) obj[atn] = myArr(obj[atn]);//[ obj[ atn ] ]; |
| 87 | obj[cnn] = myArr(obj[cnn]); |
| 88 | |
| 89 | obj[atn][ obj[atn].length ] = atv; |
| 90 | obj[atn].length = obj[atn].length; |
| 91 | } |
| 92 | else{ |
| 93 | /*DBG*/ //if(window.console) console.log(['x2j',nn,'attr>',atn,'TEXT']); |
| 94 | obj[atn] = atv; |
| 95 | }; |
| 96 | }); |
| 97 | //obj['attributes'] = att; |
| 98 | };//node.attributes.length>0 |
| 99 | };//node.attributes |
| 100 | if(obj){ |
| 101 | obj = $.extend( (txt!='' ? new String(txt) : {}),/* {text:txt},*/ obj || {}/*, att || {}*/); |
| 102 | //txt = (obj.text) ? (typeof(obj.text)=='object' ? obj.text : [obj.text || '']).concat([txt]) : txt; |
| 103 | txt = (obj.text) ? ([obj.text || '']).concat([txt]) : txt; |
| 104 | if(txt) obj.text = txt; |
| 105 | txt = ''; |
| 106 | }; |
| 107 | var out = obj || txt; |
| 108 | //console.log([extended, simple, out]); |
| 109 | if(extended){ |
| 110 | if(txt) out = {};//new String(out); |
| 111 | txt = out.text || txt || ''; |
| 112 | if(txt) out.text = txt; |
| 113 | if(!simple) out = myArr(out); |
| 114 | }; |
| 115 | return out; |
| 116 | };// parseXML |
| 117 | // Core Function End |
| 118 | // Utility functions |
| 119 | var jsVar = function(s){ return String(s || '').replace(/-/g,"_"); }; |
| 120 | |
| 121 | // NEW isNum function: 01/09/2010 |
| 122 | // Thanks to Emile Grau, GigaTecnologies S.L., www.gigatransfer.com, www.mygigamail.com |
| 123 | function isNum(s){ |
| 124 | // based on utility function isNum from xml2json plugin (http://www.fyneworks.com/ - diego@fyneworks.com) |
| 125 | // few bugs corrected from original function : |
| 126 | // - syntax error : regexp.test(string) instead of string.test(reg) |
| 127 | // - regexp modified to accept comma as decimal mark (latin syntax : 25,24 ) |
| 128 | // - regexp modified to reject if no number before decimal mark : ".7" is not accepted |
| 129 | // - string is "trimmed", allowing to accept space at the beginning and end of string |
| 130 | var regexp=/^((-)?([0-9]+)(([\.\,]{0,1})([0-9]+))?$)/ |
| 131 | return (typeof s == "number") || regexp.test(String((s && typeof s == "string") ? jQuery.trim(s) : '')); |
| 132 | }; |
| 133 | // OLD isNum function: (for reference only) |
| 134 | //var isNum = function(s){ return (typeof s == "number") || String((s && typeof s == "string") ? s : '').test(/^((-)?([0-9]*)((\.{0,1})([0-9]+))?$)/); }; |
| 135 | |
| 136 | var myArr = function(o){ |
| 137 | |
| 138 | // http://forum.jquery.com/topic/jquery-jquery-xml2json-problems-when-siblings-of-the-same-tagname-only-have-a-textnode-as-a-child |
| 139 | //if(!o.length) o = [ o ]; o.length=o.length; |
| 140 | if(!$.isArray(o)) o = [ o ]; o.length=o.length; |
| 141 | |
| 142 | // here is where you can attach additional functionality, such as searching and sorting... |
| 143 | return o; |
| 144 | }; |
| 145 | // Utility functions End |
| 146 | //### PARSER LIBRARY END |
| 147 | |
| 148 | // Convert plain text to xml |
| 149 | if(typeof xml=='string') xml = $.text2xml(xml); |
| 150 | |
| 151 | // Quick fail if not xml (or if this is a node) |
| 152 | if(!xml.nodeType) return; |
| 153 | if(xml.nodeType == 3 || xml.nodeType == 4) return xml.nodeValue; |
| 154 | |
| 155 | // Find xml root node |
| 156 | var root = (xml.nodeType == 9) ? xml.documentElement : xml; |
| 157 | |
| 158 | // Convert xml to json |
| 159 | var out = parseXML(root, true /* simple */); |
| 160 | |
| 161 | // Clean-up memory |
| 162 | xml = null; root = null; |
| 163 | |
| 164 | // Send output |
| 165 | return out; |
| 166 | }, |
| 167 | |
| 168 | // Convert text to XML DOM |
| 169 | text2xml: function(str) { |
| 170 | // NOTE: I'd like to use jQuery for this, but jQuery makes all tags uppercase |
| 171 | //return $(xml)[0]; |
| 172 | |
| 173 | /* prior to jquery 1.9 */ |
| 174 | /* |
| 175 | var out; |
| 176 | try{ |
| 177 | var xml = ((!$.support.opacity && !$.support.style))?new ActiveXObject("Microsoft.XMLDOM"):new DOMParser(); |
| 178 | xml.async = false; |
| 179 | }catch(e){ throw new Error("XML Parser could not be instantiated") }; |
| 180 | try{ |
| 181 | if((!$.support.opacity && !$.support.style)) out = (xml.loadXML(str))?xml:false; |
| 182 | else out = xml.parseFromString(str, "text/xml"); |
| 183 | }catch(e){ throw new Error("Error parsing XML string") }; |
| 184 | return out; |
| 185 | */ |
| 186 | |
| 187 | /* jquery 1.9+ */ |
| 188 | return $.parseXML(str); |
| 189 | } |
| 190 | |
| 191 | }); // extend $ |
| 192 | |
| 193 | })(jQuery); |