132 lines
3.7 KiB
JavaScript
132 lines
3.7 KiB
JavaScript
/*
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JavaSript Object Notation (JSON)
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$Id$
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Copyright (c) 2005-2006, Six Apart, Ltd.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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* Neither the name of "Six Apart" nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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JSON = {
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parse: function( string ) {
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string = string.replace( /=/g, "\\u3D" );
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string = string.replace( /\(/g, "\\u28" );
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try {
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return eval( "(" + string + ")" );
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} catch( e ) {}
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return undefined;
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}
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}
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Boolean.prototype.toJSON = function() {
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return this.toString();
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}
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Number.prototype.toJSON = function() {
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return isFinite( this ) ? this.toString() : "0";
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}
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Date.prototype.toJSON = function() {
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return this.toUTCISOString
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? this.toUTCISOString().toJSON()
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: this.toString().toJSON();
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}
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String.prototype.toJSON = function() {
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return '"' + this.escapeJS() + '"';
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}
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RegExp.prototype.toJSON = function() {
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return this.toString().toJSON();
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}
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Function.prototype.toJSON = function() {
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return this.toString().toJSON();
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}
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Array.prototype.toJSON = function( root ) {
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// crude recursion detection
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if( !root )
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root = this;
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else if( root == this )
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return "[]";
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var out = [ "[" ];
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for( var i = 0; i < this.length; i++ ) {
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if( out.length > 1 )
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out.push( "," );
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if( typeof this[ i ] == "undefined" || this[ i ] == null )
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out.push( "null" );
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else if( !this[ i ].toJSON )
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out.push( "{}" );
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else
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out.push( this[ i ].toJSON( root ) );
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}
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out.push( "]" );
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return out.join( "" );
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}
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OBJ.toJSON = function( obj_this, root ) {
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// crude recursion detection
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if( !root )
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root = obj_this;
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else if( root == obj_this )
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return "{}";
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var out = [ "{" ];
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for( var i in obj_this ) {
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if( typeof obj_this[ i ] == "undefined" ||
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(obj_this.hasOwnProperty && !obj_this.hasOwnProperty( i )) )
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continue;
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if( out.length > 1 )
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out.push( "," );
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out.push( OBJ.toJSON(i) );
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if( this[ i ] == null )
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out.push( ":null" );
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else if( typeof obj_this[ i ] == "function" )
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continue;
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else if( !OBJ.toJSON(obj_this[ i ]) )
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out.push( ":{}" );
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else
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out.push( ":", OBJ.toJSON(this[ i ], root) );
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}
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out.push( "}" );
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return out.join( "" );
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}
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