lib/dojo/_base/json.js

   1 /*
   2         Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7
   8 if(!dojo._hasResource["dojo._base.json"]){
   9 dojo._hasResource["dojo._base.json"]=true;
  10 dojo.provide("dojo._base.json");
  11 dojo.fromJson=function(_1){
  12 return eval("("+_1+")");
  13 };
  14 dojo._escapeString=function(_2){
  15 return ("\""+_2.replace(/(["\\])/g,"\\$1")+"\"").replace(/[\f]/g,"\\f").replace(/[\b]/g,"\\b").replace(/[\n]/g,"\\n").replace(/[\t]/g,"\\t").replace(/[\r]/g,"\\r");
  16 };
  17 dojo.toJsonIndentStr="\t";
  18 dojo.toJson=function(it,_3,_4){
  19 if(it===undefined){
  20 return "undefined";
  21 }
  22 var _5=typeof it;
  23 if(_5=="number"||_5=="boolean"){
  24 return it+"";
  25 }
  26 if(it===null){
  27 return "null";
  28 }
  29 if(dojo.isString(it)){
  30 return dojo._escapeString(it);
  31 }
  32 var _6=arguments.callee;
  33 var _7;
  34 _4=_4||"";
  35 var _8=_3?_4+dojo.toJsonIndentStr:"";
  36 var tf=it.__json__||it.json;
  37 if(dojo.isFunction(tf)){
  38 _7=tf.call(it);
  39 if(it!==_7){
  40 return _6(_7,_3,_8);
  41 }
  42 }
  43 if(it.nodeType&&it.cloneNode){
  44 throw new Error("Can't serialize DOM nodes");
  45 }
  46 var _9=_3?" ":"";
  47 var _a=_3?"\n":"";
  48 if(dojo.isArray(it)){
  49 var _b=dojo.map(it,function(_c){
  50 var _d=_6(_c,_3,_8);
  51 if(typeof _d!="string"){
  52 _d="undefined";
  53 }
  54 return _a+_8+_d;
  55 });
  56 return "["+_b.join(","+_9)+_a+_4+"]";
  57 }
  58 if(_5=="function"){
  59 return null;
  60 }
  61 var _e=[],_f;
  62 for(_f in it){
  63 var _10,val;
  64 if(typeof _f=="number"){
  65 _10="\""+_f+"\"";
  66 }else{
  67 if(typeof _f=="string"){
  68 _10=dojo._escapeString(_f);
  69 }else{
  70 continue;
  71 }
  72 }
  73 val=_6(it[_f],_3,_8);
  74 if(typeof val!="string"){
  75 continue;
  76 }
  77 _e.push(_a+_8+_10+":"+_9+val);
  78 }
  79 return "{"+_e.join(","+_9)+_a+_4+"}";
  80 };
  81 }