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Version: MPL 1.1/GPL 2.0/LGPL 2.1
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The contents of this file are subject to the Mozilla Public License Version
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1.1 (the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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for the specific language governing rights and limitations under the License.
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The Original Code is VEGAS Framework.
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The Initial Developer of the Original Code is
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ALCARAZ Marc (aka eKameleon) <ekameleon@gmail.com>.
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Portions created by the Initial Developer are Copyright (C) 2004-2011
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the Initial Developer. All Rights Reserved.
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Alternatively, the contents of this file may be used under the terms of
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either the GNU General Public License Version 2 or later (the "GPL"), or
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the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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in which case the provisions of the GPL or the LGPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of either the GPL or the LGPL, and not to allow others to
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use your version of this file under the terms of the MPL, indicate your
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decision by deleting the provisions above and replace them with the notice
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and other provisions required by the LGPL or the GPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the MPL, the GPL or the LGPL.
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package vegas.strings.json
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import system.Serializer;
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* This class is the concrete class of the JSON singleton.
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* <code class="prettyprint">JSON</code> (JavaScript object Notation) is a lightweight data-interchange format.
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* <p>More information in the official site : <a href="http://www.JSON.org/">http://www.JSON.org</a></p>
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* <p>Add Hexa Digits tool in deserialize method - <a href="http://code.google.com/p/edenrr/">eden inspiration</a></p>
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* <p><b>Example :</b></p>
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* <pre class="prettyprint">
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* import core.getClassName ;
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* import vegas.strings.JSON;
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* import vegas.strings.JSONError;
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* var a:Array = [2, true, "hello"] ;
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* var o:Object = { prop1 : 1 , prop2 : 2 } ;
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* var s:String = "hello world" ;
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* var b:Boolean = true ;
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* trace("Serialize") ;
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* trace("- a : " + JSON.serialize( a ) ) ;
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* trace("- o : " + JSON.serialize( o ) ) ;
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* trace("- s : " + JSON.serialize( s ) ) ;
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* trace("- n : " + JSON.serialize( n ) ) ;
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* trace("- b : " + JSON.serialize( b ) ) ;
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* trace ("Deserialize") ;
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* var source:String = '[ { "prop1" : 0xFF0000 , prop2:2, prop3:"hello", prop4:true} , 2, true, 3, [3, 2] ]' ;
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* o = JSON.deserialize(source) ;
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* var l:uint = o.length ;
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* for (var i:uint = 0 ; i < l ; i++)
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* trace("- " + i + " : " + o[i] + " , typeof :: " + typeof(o[i])) ;
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* if (typeof(o[i]) == "object")
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* for (var each:String in o[i])
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* trace(" + " + each + " : " + o[i][each] + " :: " + getClassName(o[i][each]) ) ;
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* trace ("JSONError") ;
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* source = "[3, 2," ; // test1
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* // var source:String = '{"prop1":coucou"}' ; // test2
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* var errorObj:Object = JSON.deserialize(source) ;
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* catch( e:JSONError )
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* trace( e.toString() ) ;
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public class JSONSerializer implements Serializer
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* Creates a new JSONSerializer instance.
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public function JSONSerializer()
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* The source to evaluate.
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public var source:String ;
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* Indicates the indentor string representation.
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public function get indentor():String
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public function set indentor(value:String):void
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* Indicates the pretty indent value.
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public function get prettyIndent():int
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return _prettyIndent;
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public function set prettyIndent(value:int):void
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_prettyIndent = value ;
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* Indicates the pretty printing flag value.
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public function get prettyPrinting():Boolean
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return _prettyPrinting ;
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public function set prettyPrinting(value:Boolean):void
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_prettyPrinting = value;
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* Parse a string and interpret the source code to the correct object construct.
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* <p><b>Example :</b></p>
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* <pre class="prettyprint">
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* "hello world" --> "hello world"
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* "{a:1,"b":2}" --> {a:1,b:2}
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* @return a string representing the data.
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public function deserialize( source:String ):*
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this.source = source ;
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* Serialize the specified value object passed-in argument.
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public function serialize( value:* ):String
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var c:String ; // char
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var tof:String = typeof(value) ;
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l = (value as Array).length ;
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for (i = 0 ; i < l ; ++i)
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v = serialize(value[i]);
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return '[' + s + ']';
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else if ( typeof( value.toString ) != 'undefined')
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for (var prop:String in value)
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if ( (typeof(v) != 'undefined') && (typeof(v) != 'function') )
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s += serialize(prop) + ':' + v ;
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return "{" + s + "}";
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return isFinite(value) ? String(value) : 'null' ;
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l = (value as String).length ;
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for (i = 0 ; i < l ; i += 1)
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c = (value as String).charAt(i) ;
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if (c == '\\' || c == '"')
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var code:Number = c.charCodeAt() ;
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s += '\\u00' + String(Math.floor(code / 16).toString(16)) + ((code % 16).toString(16)) ;
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return String(value);
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* The current position of the iterator in the source.
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protected var at:Number = 0 ;
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* The current character of the iterator in the source.
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protected var ch:String = ' ' ;
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* Check the Array objects in the source expression.
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protected function array():Array
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error( JSONStrings.badArray );
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* Throws a JSONError with the passed-in message.
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protected function error( m:String ):void
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throw new JSONError( m, at - 1 , source) ;
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* Indicates if the passed-in character is a digit.
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protected function isDigit( c:String ):Boolean
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return( ("0" <= c) && (c <= "9") );
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* Indicates if the passed-in character is a hexadecimal digit.
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protected function isHexDigit( c:String ):Boolean
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return( isDigit( c ) || (("A" <= c) && (c <= "F")) || (("a" <= c) && (c <= "f")) );
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* Indicates if the current character is a key.
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protected function key():*
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var semiColon:int = source.indexOf( ':' , at ) ;
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var quoteIndex:int = source.indexOf( '"' , at ) ;
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var squoteIndex:int = source.indexOf( "'" , at ) ;
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if( (quoteIndex <= semiColon && quoteIndex > -1) || (squoteIndex <= semiColon && squoteIndex > -1))
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error(JSONStrings.badKey);
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while ( next() ) // Use key handling
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error( JSONStrings.badKey ) ;
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* Returns the next character in the source String representation.
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* @return the next character in the source String representation.
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protected function next():String
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ch = source.charAt(at);
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* Check the Number values in the source expression.
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protected function number():*
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var hex:String = '' ;
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var sign:String = '' ;
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if( ( ch == "x") || ( ch == "X") )
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while( isHexDigit( ch ) )
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error(JSONStrings.malFormedHexadecimal) ;
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return Number( sign + "0x" + hex ) ;
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while ( isDigit(ch) )
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while (next() && ch >= '0' && ch <= '9')
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error( JSONStrings.badNumber );
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* Check the Object values in the source expression.
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protected function object():*
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error( JSONStrings.badObject ) ;
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* Check the string objects in the source expression.
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protected function string():*
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if (ch == '"' || ch == "'" )
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var outerChar:String = ch ;
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for (i = 0; i < 4; i += 1)
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t = parseInt( next() , 16 ) ;
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s += String.fromCharCode(u);
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error( JSONStrings.badString );
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* Evaluates the values in the source expression.
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protected function value():*
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else if ( ch == '[' )
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else if ( ch == '"' || ch == "'" )
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else if ( ch == '-' )
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return ( ch >= '0' && ch <= '9' ) ? number() : word() ;
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* Check all white spaces.
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protected function white():void
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while ( next() && ch != '\n' && ch != '\r')
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error( JSONStrings.unterminatedComment );
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error( JSONStrings.syntaxError );
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* Check all special words in the source to evaluate.
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protected function word():*
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if (next() == 'r' && next() == 'u' && next() == 'e')
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else if ( ch == 'f' )
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if (next() == 'a' && next() == 'l' && next() == 's' && next() == 'e')
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else if ( ch == 'n' )
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if (next() == 'u' && next() == 'l' && next() == 'l')
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error( JSONStrings.syntaxError );
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private var _prettyIndent:int = 0 ;
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private var _prettyPrinting:Boolean ;
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private var _indentor:String = " " ;
added
removed
phabricator/externals/vegas/src/vegas/strings/json/JSONSerializer.as
