25 lines
2.0 KiB
JavaScript
25 lines
2.0 KiB
JavaScript
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/* json2.js
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* 2008-01-17
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* Public Domain
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* No warranty expressed or implied. Use at your own risk.
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* See http://www.JSON.org/js.html
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*/
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if(!this.JSON){JSON=function(){function f(n){return n<10?'0'+n:n;}
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Date.prototype.toJSON=function(){return this.getUTCFullYear()+'-'+
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f(this.getUTCMonth()+1)+'-'+
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f(this.getUTCDate())+'T'+
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f(this.getUTCHours())+':'+
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f(this.getUTCMinutes())+':'+
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f(this.getUTCSeconds())+'Z';};var m={'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','"':'\\"','\\':'\\\\'};function stringify(value,whitelist){var a,i,k,l,r=/["\\\x00-\x1f\x7f-\x9f]/g,v;switch(typeof value){case'string':return r.test(value)?'"'+value.replace(r,function(a){var c=m[a];if(c){return c;}
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c=a.charCodeAt();return'\\u00'+Math.floor(c/16).toString(16)+
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(c%16).toString(16);})+'"':'"'+value+'"';case'number':return isFinite(value)?String(value):'null';case'boolean':case'null':return String(value);case'object':if(!value){return'null';}
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if(typeof value.toJSON==='function'){return stringify(value.toJSON());}
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a=[];if(typeof value.length==='number'&&!(value.propertyIsEnumerable('length'))){l=value.length;for(i=0;i<l;i+=1){a.push(stringify(value[i],whitelist)||'null');}
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return'['+a.join(',')+']';}
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if(whitelist){l=whitelist.length;for(i=0;i<l;i+=1){k=whitelist[i];if(typeof k==='string'){v=stringify(value[k],whitelist);if(v){a.push(stringify(k)+':'+v);}}}}else{for(k in value){if(typeof k==='string'){v=stringify(value[k],whitelist);if(v){a.push(stringify(k)+':'+v);}}}}
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return'{'+a.join(',')+'}';}}
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return{stringify:stringify,parse:function(text,filter){var j;function walk(k,v){var i,n;if(v&&typeof v==='object'){for(i in v){if(Object.prototype.hasOwnProperty.apply(v,[i])){n=walk(i,v[i]);if(n!==undefined){v[i]=n;}}}}
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return filter(k,v);}
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if(/^[\],:{}\s]*$/.test(text.replace(/\\./g,'@').replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']').replace(/(?:^|:|,)(?:\s*\[)+/g,''))){j=eval('('+text+')');return typeof filter==='function'?walk('',j):j;}
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throw new SyntaxError('parseJSON');}};}();}
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