root / trunk / web / dojo / dojox / json / query.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.json.query"]){ |
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| 9 | dojo._hasResource["dojox.json.query"]=true; |
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| 10 | dojo.provide("dojox.json.query");
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| 11 | (function(){
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| 12 | dojox.json._slice=function(_1,_2,_3,_4){ |
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| 13 | var _5=_1.length,_6=[];
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| 14 | _3=_3||_5; |
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| 15 | _2=(_2<0)?Math.max(0,_2+_5):Math.min(_5,_2); |
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| 16 | _3=(_3<0)?Math.max(0,_3+_5):Math.min(_5,_3); |
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| 17 | for(var i=_2;i<_3;i+=_4){ |
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| 18 | _6.push(_1[i]); |
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| 19 | } |
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| 20 | return _6;
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| 21 | }; |
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| 22 | dojox.json._find=function e(_7,_8){ |
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| 23 | var _9=[];
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| 24 | function _a(_b){ |
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| 25 | if(_8){
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| 26 | if(_8===true&&!(_b instanceof Array)){ |
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| 27 | _9.push(_b); |
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| 28 | }else{
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| 29 | if(_b[_8]){
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| 30 | _9.push(_b[_8]); |
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| 31 | } |
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| 32 | } |
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| 33 | } |
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| 34 | for(var i in _b){ |
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| 35 | var _c=_b[i];
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| 36 | if(!_8){
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| 37 | _9.push(_c); |
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| 38 | }else{
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| 39 | if(_c&&typeof _c=="object"){ |
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| 40 | _a(_c); |
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| 41 | } |
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| 42 | } |
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| 43 | } |
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| 44 | }; |
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| 45 | if(_8 instanceof Array){ |
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| 46 | if(_8.length==1){ |
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| 47 | return _7[_8[0]]; |
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| 48 | } |
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| 49 | for(var i=0;i<_8.length;i++){ |
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| 50 | _9.push(_7[_8[i]]); |
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| 51 | } |
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| 52 | }else{
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| 53 | _a(_7); |
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| 54 | } |
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| 55 | return _9;
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| 56 | }; |
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| 57 | dojox.json._distinctFilter=function(_d,_e){ |
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| 58 | var _f=[];
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| 59 | var _10={};
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| 60 | for(var i=0,l=_d.length;i<l;++i){ |
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| 61 | var _11=_d[i];
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| 62 | if(_e(_11,i,_d)){
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| 63 | if((typeof _11=="object")&&_11){ |
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| 64 | if(!_11.__included){
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| 65 | _11.__included=true;
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| 66 | _f.push(_11); |
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| 67 | } |
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| 68 | }else{
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| 69 | if(!_10[_11+typeof _11]){ |
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| 70 | _10[_11+typeof _11]=true; |
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| 71 | _f.push(_11); |
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| 72 | } |
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| 73 | } |
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| 74 | } |
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| 75 | } |
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| 76 | for(i=0,l=_f.length;i<l;++i){ |
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| 77 | if(_f[i]){
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| 78 | delete _f[i].__included;
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| 79 | } |
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| 80 | } |
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| 81 | return _f;
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| 82 | }; |
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| 83 | dojox.json.query=function(_12,obj){ |
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| 84 | var _13=0; |
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| 85 | var str=[];
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| 86 | _12=_12.replace(/"(\\.|[^"\\])*"|'(\\.|[^'\\])*'|[\[\]]/g,function(t){ |
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| 87 | _13+=t=="["?1:t=="]"?-1:0; |
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| 88 | return (t=="]"&&_13>0)?"`]":(t.charAt(0)=="\""||t.charAt(0)=="'")?"`"+(str.push(t)-1):t; |
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| 89 | }); |
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| 90 | var _14=""; |
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| 91 | function _15(_16){ |
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| 92 | _14=_16+"("+_14;
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| 93 | }; |
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| 94 | function _17(t,a,b,c,d,e,f,g){ |
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| 95 | return str[g].match(/[\*\?]/)||f=="~"?"/^"+str[g].substring(1,str[g].length-1).replace(/\\([btnfr\\"'])|([^\w\*\?])/g,"\\$1$2").replace(/([\*\?])/g,"[\\w\\W]$1")+(f=="~"?"$/i":"$/")+".test("+a+")":t; |
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| 96 | }; |
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| 97 | _12.replace(/(\]|\)|push|pop|shift|splice|sort|reverse)\s*\(/,function(){ |
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| 98 | throw new Error("Unsafe function call"); |
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| 99 | }); |
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| 100 | _12=_12.replace(/([^=]=)([^=])/g,"$1=$2").replace(/@|(\.\s*)?[a-zA-Z\$_]+(\s*:)?/g,function(t){ |
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| 101 | return t.charAt(0)=="."?t:t=="@"?"$obj":(t.match(/:|^(\$|Math|true|false|null)$/)?"":"$obj.")+t; |
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| 102 | }).replace(/\.?\.?\[(`\]|[^\]])*\]|\?.*|\.\.([\w\$_]+)|\.\*/g,function(t,a,b){ |
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| 103 | var _18=t.match(/^\.?\.?(\[\s*\^?\?|\^?\?|\[\s*==)(.*?)\]?$/); |
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| 104 | if(_18){
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| 105 | var _19=""; |
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| 106 | if(t.match(/^\./)){ |
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| 107 | _15("dojox.json._find");
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| 108 | _19=",true)";
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| 109 | } |
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| 110 | _15(_18[1].match(/\=/)?"dojo.map":_18[1].match(/\^/)?"dojox.json._distinctFilter":"dojo.filter"); |
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| 111 | return _19+",function($obj){return "+_18[2]+"})"; |
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| 112 | } |
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| 113 | _18=t.match(/^\[\s*([\/\\].*)\]/);
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| 114 | if(_18){
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| 115 | return ".concat().sort(function(a,b){"+_18[1].replace(/\s*,?\s*([\/\\])\s*([^,\\\/]+)/g,function(t,a,b){ |
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| 116 | return "var av= "+b.replace(/\$obj/,"a")+",bv= "+b.replace(/\$obj/,"b")+";if(av>bv||bv==null){return "+(a=="/"?1:-1)+";}\n"+"if(bv>av||av==null){return "+(a=="/"?-1:1)+";}\n"; |
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| 117 | })+"return 0;})";
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| 118 | } |
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| 119 | _18=t.match(/^\[(-?[0-9]*):(-?[0-9]*):?(-?[0-9]*)\]/);
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| 120 | if(_18){
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| 121 | _15("dojox.json._slice");
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| 122 | return ","+(_18[1]||0)+","+(_18[2]||0)+","+(_18[3]||1)+")"; |
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| 123 | } |
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| 124 | if(t.match(/^\.\.|\.\*|\[\s*\*\s*\]|,/)){ |
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| 125 | _15("dojox.json._find");
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| 126 | return (t.charAt(1)=="."?",'"+b+"'":t.match(/,/)?","+t:"")+")"; |
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| 127 | } |
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| 128 | return t;
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| 129 | }).replace(/(\$obj\s*((\.\s*[\w_$]+\s*)|(\[\s*`([0-9]+)\s*`\]))*)(==|~)\s*`([0-9]+)/g,_17).replace(/`([0-9]+)\s*(==|~)\s*(\$obj\s*((\.\s*[\w_$]+)|(\[\s*`([0-9]+)\s*`\]))*)/g,function(t,a,b,c,d,e,f,g){ |
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| 130 | return _17(t,c,d,e,f,g,b,a);
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| 131 | }); |
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| 132 | _12=_14+(_12.charAt(0)=="$"?"":"$")+_12.replace(/`([0-9]+|\])/g,function(t,a){ |
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| 133 | return a=="]"?"]":str[a]; |
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| 134 | }); |
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| 135 | var _1a=eval("1&&function($,$1,$2,$3,$4,$5,$6,$7,$8,$9){var $obj=$;return "+_12+"}"); |
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| 136 | for(var i=0;i<arguments.length-1;i++){ |
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| 137 | arguments[i]=arguments[i+1]; |
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| 138 | } |
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| 139 | return obj?_1a.apply(this,arguments):_1a; |
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| 140 | }; |
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| 141 | })(); |
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| 142 | } |