| /** |
| * jQuery JSON Plugin |
| * version: 2.3 (2011-09-17) |
| * |
| * This document is licensed as free software under the terms of the |
| * MIT License: http://www.opensource.org/licenses/mit-license.php |
| * |
| * Brantley Harris wrote this plugin. It is based somewhat on the JSON.org |
| * website's http://www.json.org/json2.js, which proclaims: |
| * "NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.", a sentiment that |
| * I uphold. |
| * |
| * It is also influenced heavily by MochiKit's serializeJSON, which is |
| * copyrighted 2005 by Bob Ippolito. |
| */ |
| |
| (function( $ ) { |
| |
| var escapeable = /["\\\x00-\x1f\x7f-\x9f]/g, |
| meta = { |
| '\b': '\\b', |
| '\t': '\\t', |
| '\n': '\\n', |
| '\f': '\\f', |
| '\r': '\\r', |
| '"' : '\\"', |
| '\\': '\\\\' |
| }; |
| |
| /** |
| * jQuery.toJSON |
| * Converts the given argument into a JSON respresentation. |
| * |
| * @param o {Mixed} The json-serializble *thing* to be converted |
| * |
| * If an object has a toJSON prototype, that will be used to get the representation. |
| * Non-integer/string keys are skipped in the object, as are keys that point to a |
| * function. |
| * |
| */ |
| $.toJSON = typeof JSON === 'object' && JSON.stringify |
| ? JSON.stringify |
| : function( o ) { |
| |
| if ( o === null ) { |
| return 'null'; |
| } |
| |
| var type = typeof o; |
| |
| if ( type === 'undefined' ) { |
| return undefined; |
| } |
| if ( type === 'number' || type === 'boolean' ) { |
| return '' + o; |
| } |
| if ( type === 'string') { |
| return $.quoteString( o ); |
| } |
| if ( type === 'object' ) { |
| if ( typeof o.toJSON === 'function' ) { |
| return $.toJSON( o.toJSON() ); |
| } |
| if ( o.constructor === Date ) { |
| var month = o.getUTCMonth() + 1, |
| day = o.getUTCDate(), |
| year = o.getUTCFullYear(), |
| hours = o.getUTCHours(), |
| minutes = o.getUTCMinutes(), |
| seconds = o.getUTCSeconds(), |
| milli = o.getUTCMilliseconds(); |
| |
| if ( month < 10 ) { |
| month = '0' + month; |
| } |
| if ( day < 10 ) { |
| day = '0' + day; |
| } |
| if ( hours < 10 ) { |
| hours = '0' + hours; |
| } |
| if ( minutes < 10 ) { |
| minutes = '0' + minutes; |
| } |
| if ( seconds < 10 ) { |
| seconds = '0' + seconds; |
| } |
| if ( milli < 100 ) { |
| milli = '0' + milli; |
| } |
| if ( milli < 10 ) { |
| milli = '0' + milli; |
| } |
| return '"' + year + '-' + month + '-' + day + 'T' + |
| hours + ':' + minutes + ':' + seconds + |
| '.' + milli + 'Z"'; |
| } |
| if ( o.constructor === Array ) { |
| var ret = []; |
| for ( var i = 0; i < o.length; i++ ) { |
| ret.push( $.toJSON( o[i] ) || 'null' ); |
| } |
| return '[' + ret.join(',') + ']'; |
| } |
| var name, |
| val, |
| pairs = []; |
| for ( var k in o ) { |
| type = typeof k; |
| if ( type === 'number' ) { |
| name = '"' + k + '"'; |
| } else if (type === 'string') { |
| name = $.quoteString(k); |
| } else { |
| // Keys must be numerical or string. Skip others |
| continue; |
| } |
| type = typeof o[k]; |
| |
| if ( type === 'function' || type === 'undefined' ) { |
| // Invalid values like these return undefined |
| // from toJSON, however those object members |
| // shouldn't be included in the JSON string at all. |
| continue; |
| } |
| val = $.toJSON( o[k] ); |
| pairs.push( name + ':' + val ); |
| } |
| return '{' + pairs.join( ',' ) + '}'; |
| } |
| }; |
| |
| /** |
| * jQuery.evalJSON |
| * Evaluates a given piece of json source. |
| * |
| * @param src {String} |
| */ |
| $.evalJSON = typeof JSON === 'object' && JSON.parse |
| ? JSON.parse |
| : function( src ) { |
| return eval('(' + src + ')'); |
| }; |
| |
| /** |
| * jQuery.secureEvalJSON |
| * Evals JSON in a way that is *more* secure. |
| * |
| * @param src {String} |
| */ |
| $.secureEvalJSON = typeof JSON === 'object' && JSON.parse |
| ? JSON.parse |
| : function( src ) { |
| |
| var filtered = |
| src |
| .replace( /\\["\\\/bfnrtu]/g, '@' ) |
| .replace( /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']') |
| .replace( /(?:^|:|,)(?:\s*\[)+/g, ''); |
| |
| if ( /^[\],:{}\s]*$/.test( filtered ) ) { |
| return eval( '(' + src + ')' ); |
| } else { |
| throw new SyntaxError( 'Error parsing JSON, source is not valid.' ); |
| } |
| }; |
| |
| /** |
| * jQuery.quoteString |
| * Returns a string-repr of a string, escaping quotes intelligently. |
| * Mostly a support function for toJSON. |
| * Examples: |
| * >>> jQuery.quoteString('apple') |
| * "apple" |
| * |
| * >>> jQuery.quoteString('"Where are we going?", she asked.') |
| * "\"Where are we going?\", she asked." |
| */ |
| $.quoteString = function( string ) { |
| if ( string.match( escapeable ) ) { |
| return '"' + string.replace( escapeable, function( a ) { |
| var c = meta[a]; |
| if ( typeof c === 'string' ) { |
| return c; |
| } |
| c = a.charCodeAt(); |
| return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16); |
| }) + '"'; |
| } |
| return '"' + string + '"'; |
| }; |
| |
| })( jQuery ); |