diff options
| author | sostler <sbostler@gmail.com> | 2010-02-27 23:22:29 -0500 |
|---|---|---|
| committer | sostler <sbostler@gmail.com> | 2010-02-27 23:22:29 -0500 |
| commit | 8e0b068b1d6929af82ef348a47b235dd89196c11 (patch) | |
| tree | 64b5b4caa125c9db737ba1033dd871c2f0b3b108 /webcam/com/adobe/serialization | |
| parent | 19603b846364d0f22d725d35321435badc5e41e8 (diff) | |
Fixed CLRF
Diffstat (limited to 'webcam/com/adobe/serialization')
| -rw-r--r-- | webcam/com/adobe/serialization/json/JSON.as | 174 | ||||
| -rw-r--r-- | webcam/com/adobe/serialization/json/JSONDecoder.as | 436 | ||||
| -rw-r--r-- | webcam/com/adobe/serialization/json/JSONEncoder.as | 604 | ||||
| -rw-r--r-- | webcam/com/adobe/serialization/json/JSONParseError.as | 178 | ||||
| -rw-r--r-- | webcam/com/adobe/serialization/json/JSONToken.as | 212 | ||||
| -rw-r--r-- | webcam/com/adobe/serialization/json/JSONTokenType.as | 138 | ||||
| -rw-r--r-- | webcam/com/adobe/serialization/json/JSONTokenizer.as | 1100 |
7 files changed, 1421 insertions, 1421 deletions
diff --git a/webcam/com/adobe/serialization/json/JSON.as b/webcam/com/adobe/serialization/json/JSON.as index d43c420..1d2477e 100644 --- a/webcam/com/adobe/serialization/json/JSON.as +++ b/webcam/com/adobe/serialization/json/JSON.as @@ -1,88 +1,88 @@ -/*
-Adobe Systems Incorporated(r) Source Code License Agreement
-Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved.
-
-Please read this Source Code License Agreement carefully before using
-the source code.
-
-Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive,
-no-charge, royalty-free, irrevocable copyright license, to reproduce,
-prepare derivative works of, publicly display, publicly perform, and
-distribute this source code and such derivative works in source or
-object code form without any attribution requirements.
-
-The name "Adobe Systems Incorporated" must not be used to endorse or promote products
-derived from the source code without prior written permission.
-
-You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and
-against any loss, damage, claims or lawsuits, including attorney's
-fees that arise or result from your use or distribution of the source
-code.
-
-THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT
-ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF
-NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA
-OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF
-ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-package com.adobe.serialization.json {
-
- /**
- * This class provides encoding and decoding of the JSON format.
- *
- * Example usage:
- * <code>
- * // create a JSON string from an internal object
- * JSON.encode( myObject );
- *
- * // read a JSON string into an internal object
- * var myObject:Object = JSON.decode( jsonString );
- * </code>
- */
- public class JSON {
-
-
- /**
- * Encodes a object into a JSON string.
- *
- * @param o The object to create a JSON string for
- * @return the JSON string representing o
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public static function encode( o:Object ):String {
-
- var encoder:JSONEncoder = new JSONEncoder( o );
- return encoder.getString();
-
- }
-
- /**
- * Decodes a JSON string into a native object.
- *
- * @param s The JSON string representing the object
- * @return A native object as specified by s
- * @throw JSONParseError
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public static function decode( s:String ):* {
-
- var decoder:JSONDecoder = new JSONDecoder( s )
- return decoder.getValue();
-
- }
-
- }
-
+/* +Adobe Systems Incorporated(r) Source Code License Agreement +Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved. + +Please read this Source Code License Agreement carefully before using +the source code. + +Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive, +no-charge, royalty-free, irrevocable copyright license, to reproduce, +prepare derivative works of, publicly display, publicly perform, and +distribute this source code and such derivative works in source or +object code form without any attribution requirements. + +The name "Adobe Systems Incorporated" must not be used to endorse or promote products +derived from the source code without prior written permission. + +You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and +against any loss, damage, claims or lawsuits, including attorney's +fees that arise or result from your use or distribution of the source +code. + +THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT +ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, +BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF +NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA +OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +package com.adobe.serialization.json { + + /** + * This class provides encoding and decoding of the JSON format. + * + * Example usage: + * <code> + * // create a JSON string from an internal object + * JSON.encode( myObject ); + * + * // read a JSON string into an internal object + * var myObject:Object = JSON.decode( jsonString ); + * </code> + */ + public class JSON { + + + /** + * Encodes a object into a JSON string. + * + * @param o The object to create a JSON string for + * @return the JSON string representing o + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public static function encode( o:Object ):String { + + var encoder:JSONEncoder = new JSONEncoder( o ); + return encoder.getString(); + + } + + /** + * Decodes a JSON string into a native object. + * + * @param s The JSON string representing the object + * @return A native object as specified by s + * @throw JSONParseError + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public static function decode( s:String ):* { + + var decoder:JSONDecoder = new JSONDecoder( s ) + return decoder.getValue(); + + } + + } + }
\ No newline at end of file diff --git a/webcam/com/adobe/serialization/json/JSONDecoder.as b/webcam/com/adobe/serialization/json/JSONDecoder.as index be06317..833438d 100644 --- a/webcam/com/adobe/serialization/json/JSONDecoder.as +++ b/webcam/com/adobe/serialization/json/JSONDecoder.as @@ -1,218 +1,218 @@ -/*
-Adobe Systems Incorporated(r) Source Code License Agreement
-Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved.
-
-Please read this Source Code License Agreement carefully before using
-the source code.
-
-Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive,
-no-charge, royalty-free, irrevocable copyright license, to reproduce,
-prepare derivative works of, publicly display, publicly perform, and
-distribute this source code and such derivative works in source or
-object code form without any attribution requirements.
-
-The name "Adobe Systems Incorporated" must not be used to endorse or promote products
-derived from the source code without prior written permission.
-
-You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and
-against any loss, damage, claims or lawsuits, including attorney's
-fees that arise or result from your use or distribution of the source
-code.
-
-THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT
-ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF
-NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA
-OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF
-ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-package com.adobe.serialization.json {
-
- public class JSONDecoder {
-
- /** The value that will get parsed from the JSON string */
- private var value:*;
-
- /** The tokenizer designated to read the JSON string */
- private var tokenizer:JSONTokenizer;
-
- /** The current token from the tokenizer */
- private var token:JSONToken;
-
- /**
- * Constructs a new JSONDecoder to parse a JSON string
- * into a native object.
- *
- * @param s The JSON string to be converted
- * into a native object
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function JSONDecoder( s:String ) {
-
- tokenizer = new JSONTokenizer( s );
-
- nextToken();
- value = parseValue();
- }
-
- /**
- * Gets the internal object that was created by parsing
- * the JSON string passed to the constructor.
- *
- * @return The internal object representation of the JSON
- * string that was passed to the constructor
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function getValue():* {
- return value;
- }
-
- /**
- * Returns the next token from the tokenzier reading
- * the JSON string
- */
- private function nextToken():JSONToken {
- return token = tokenizer.getNextToken();
- }
-
- /**
- * Attempt to parse an array
- */
- private function parseArray():Array {
- // create an array internally that we're going to attempt
- // to parse from the tokenizer
- var a:Array = new Array();
-
- // grab the next token from the tokenizer to move
- // past the opening [
- nextToken();
-
- // check to see if we have an empty array
- if ( token.type == JSONTokenType.RIGHT_BRACKET ) {
- // we're done reading the array, so return it
- return a;
- }
-
- // deal with elements of the array, and use an "infinite"
- // loop because we could have any amount of elements
- while ( true ) {
- // read in the value and add it to the array
- a.push ( parseValue() );
-
- // after the value there should be a ] or a ,
- nextToken();
-
- if ( token.type == JSONTokenType.RIGHT_BRACKET ) {
- // we're done reading the array, so return it
- return a;
- } else if ( token.type == JSONTokenType.COMMA ) {
- // move past the comma and read another value
- nextToken();
- } else {
- tokenizer.parseError( "Expecting ] or , but found " + token.value );
- }
- }
- return null;
- }
-
- /**
- * Attempt to parse an object
- */
- private function parseObject():Object {
- // create the object internally that we're going to
- // attempt to parse from the tokenizer
- var o:Object = new Object();
-
- // store the string part of an object member so
- // that we can assign it a value in the object
- var key:String
-
- // grab the next token from the tokenizer
- nextToken();
-
- // check to see if we have an empty object
- if ( token.type == JSONTokenType.RIGHT_BRACE ) {
- // we're done reading the object, so return it
- return o;
- }
-
- // deal with members of the object, and use an "infinite"
- // loop because we could have any amount of members
- while ( true ) {
-
- if ( token.type == JSONTokenType.STRING ) {
- // the string value we read is the key for the object
- key = String( token.value );
-
- // move past the string to see what's next
- nextToken();
-
- // after the string there should be a :
- if ( token.type == JSONTokenType.COLON ) {
-
- // move past the : and read/assign a value for the key
- nextToken();
- o[key] = parseValue();
-
- // move past the value to see what's next
- nextToken();
-
- // after the value there's either a } or a ,
- if ( token.type == JSONTokenType.RIGHT_BRACE ) {
- // // we're done reading the object, so return it
- return o;
-
- } else if ( token.type == JSONTokenType.COMMA ) {
- // skip past the comma and read another member
- nextToken();
- } else {
- tokenizer.parseError( "Expecting } or , but found " + token.value );
- }
- } else {
- tokenizer.parseError( "Expecting : but found " + token.value );
- }
- } else {
- tokenizer.parseError( "Expecting string but found " + token.value );
- }
- }
- return null;
- }
-
- /**
- * Attempt to parse a value
- */
- private function parseValue():Object {
-
- switch ( token.type ) {
- case JSONTokenType.LEFT_BRACE:
- return parseObject();
-
- case JSONTokenType.LEFT_BRACKET:
- return parseArray();
-
- case JSONTokenType.STRING:
- case JSONTokenType.NUMBER:
- case JSONTokenType.TRUE:
- case JSONTokenType.FALSE:
- case JSONTokenType.NULL:
- return token.value;
-
- default:
- tokenizer.parseError( "Unexpected " + token.value );
-
- }
- return null;
- }
- }
-}
+/* +Adobe Systems Incorporated(r) Source Code License Agreement +Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved. + +Please read this Source Code License Agreement carefully before using +the source code. + +Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive, +no-charge, royalty-free, irrevocable copyright license, to reproduce, +prepare derivative works of, publicly display, publicly perform, and +distribute this source code and such derivative works in source or +object code form without any attribution requirements. + +The name "Adobe Systems Incorporated" must not be used to endorse or promote products +derived from the source code without prior written permission. + +You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and +against any loss, damage, claims or lawsuits, including attorney's +fees that arise or result from your use or distribution of the source +code. + +THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT +ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, +BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF +NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA +OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +package com.adobe.serialization.json { + + public class JSONDecoder { + + /** The value that will get parsed from the JSON string */ + private var value:*; + + /** The tokenizer designated to read the JSON string */ + private var tokenizer:JSONTokenizer; + + /** The current token from the tokenizer */ + private var token:JSONToken; + + /** + * Constructs a new JSONDecoder to parse a JSON string + * into a native object. + * + * @param s The JSON string to be converted + * into a native object + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function JSONDecoder( s:String ) { + + tokenizer = new JSONTokenizer( s ); + + nextToken(); + value = parseValue(); + } + + /** + * Gets the internal object that was created by parsing + * the JSON string passed to the constructor. + * + * @return The internal object representation of the JSON + * string that was passed to the constructor + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function getValue():* { + return value; + } + + /** + * Returns the next token from the tokenzier reading + * the JSON string + */ + private function nextToken():JSONToken { + return token = tokenizer.getNextToken(); + } + + /** + * Attempt to parse an array + */ + private function parseArray():Array { + // create an array internally that we're going to attempt + // to parse from the tokenizer + var a:Array = new Array(); + + // grab the next token from the tokenizer to move + // past the opening [ + nextToken(); + + // check to see if we have an empty array + if ( token.type == JSONTokenType.RIGHT_BRACKET ) { + // we're done reading the array, so return it + return a; + } + + // deal with elements of the array, and use an "infinite" + // loop because we could have any amount of elements + while ( true ) { + // read in the value and add it to the array + a.push ( parseValue() ); + + // after the value there should be a ] or a , + nextToken(); + + if ( token.type == JSONTokenType.RIGHT_BRACKET ) { + // we're done reading the array, so return it + return a; + } else if ( token.type == JSONTokenType.COMMA ) { + // move past the comma and read another value + nextToken(); + } else { + tokenizer.parseError( "Expecting ] or , but found " + token.value ); + } + } + return null; + } + + /** + * Attempt to parse an object + */ + private function parseObject():Object { + // create the object internally that we're going to + // attempt to parse from the tokenizer + var o:Object = new Object(); + + // store the string part of an object member so + // that we can assign it a value in the object + var key:String + + // grab the next token from the tokenizer + nextToken(); + + // check to see if we have an empty object + if ( token.type == JSONTokenType.RIGHT_BRACE ) { + // we're done reading the object, so return it + return o; + } + + // deal with members of the object, and use an "infinite" + // loop because we could have any amount of members + while ( true ) { + + if ( token.type == JSONTokenType.STRING ) { + // the string value we read is the key for the object + key = String( token.value ); + + // move past the string to see what's next + nextToken(); + + // after the string there should be a : + if ( token.type == JSONTokenType.COLON ) { + + // move past the : and read/assign a value for the key + nextToken(); + o[key] = parseValue(); + + // move past the value to see what's next + nextToken(); + + // after the value there's either a } or a , + if ( token.type == JSONTokenType.RIGHT_BRACE ) { + // // we're done reading the object, so return it + return o; + + } else if ( token.type == JSONTokenType.COMMA ) { + // skip past the comma and read another member + nextToken(); + } else { + tokenizer.parseError( "Expecting } or , but found " + token.value ); + } + } else { + tokenizer.parseError( "Expecting : but found " + token.value ); + } + } else { + tokenizer.parseError( "Expecting string but found " + token.value ); + } + } + return null; + } + + /** + * Attempt to parse a value + */ + private function parseValue():Object { + + switch ( token.type ) { + case JSONTokenType.LEFT_BRACE: + return parseObject(); + + case JSONTokenType.LEFT_BRACKET: + return parseArray(); + + case JSONTokenType.STRING: + case JSONTokenType.NUMBER: + case JSONTokenType.TRUE: + case JSONTokenType.FALSE: + case JSONTokenType.NULL: + return token.value; + + default: + tokenizer.parseError( "Unexpected " + token.value ); + + } + return null; + } + } +} diff --git a/webcam/com/adobe/serialization/json/JSONEncoder.as b/webcam/com/adobe/serialization/json/JSONEncoder.as index f8b195c..f371a17 100644 --- a/webcam/com/adobe/serialization/json/JSONEncoder.as +++ b/webcam/com/adobe/serialization/json/JSONEncoder.as @@ -1,302 +1,302 @@ -/*
-Adobe Systems Incorporated(r) Source Code License Agreement
-Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved.
-
-Please read this Source Code License Agreement carefully before using
-the source code.
-
-Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive,
-no-charge, royalty-free, irrevocable copyright license, to reproduce,
-prepare derivative works of, publicly display, publicly perform, and
-distribute this source code and such derivative works in source or
-object code form without any attribution requirements.
-
-The name "Adobe Systems Incorporated" must not be used to endorse or promote products
-derived from the source code without prior written permission.
-
-You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and
-against any loss, damage, claims or lawsuits, including attorney's
-fees that arise or result from your use or distribution of the source
-code.
-
-THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT
-ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF
-NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA
-OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF
-ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-package com.adobe.serialization.json
-{
-
- import flash.utils.describeType;
-
- public class JSONEncoder {
-
- /** The string that is going to represent the object we're encoding */
- private var jsonString:String;
-
- /**
- * Creates a new JSONEncoder.
- *
- * @param o The object to encode as a JSON string
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function JSONEncoder( value:* ) {
- jsonString = convertToString( value );
-
- }
-
- /**
- * Gets the JSON string from the encoder.
- *
- * @return The JSON string representation of the object
- * that was passed to the constructor
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function getString():String {
- return jsonString;
- }
-
- /**
- * Converts a value to it's JSON string equivalent.
- *
- * @param value The value to convert. Could be any
- * type (object, number, array, etc)
- */
- private function convertToString( value:* ):String {
-
- // determine what value is and convert it based on it's type
- if ( value is String ) {
-
- // escape the string so it's formatted correctly
- return escapeString( value as String );
-
- } else if ( value is Number ) {
-
- // only encode numbers that finate
- return isFinite( value as Number) ? value.toString() : "null";
-
- } else if ( value is Boolean ) {
-
- // convert boolean to string easily
- return value ? "true" : "false";
-
- } else if ( value is Array ) {
-
- // call the helper method to convert an array
- return arrayToString( value as Array );
-
- } else if ( value is Object && value != null ) {
-
- // call the helper method to convert an object
- return objectToString( value );
- }
- return "null";
- }
-
- /**
- * Escapes a string accoding to the JSON specification.
- *
- * @param str The string to be escaped
- * @return The string with escaped special characters
- * according to the JSON specification
- */
- private function escapeString( str:String ):String {
- // create a string to store the string's jsonstring value
- var s:String = "";
- // current character in the string we're processing
- var ch:String;
- // store the length in a local variable to reduce lookups
- var len:Number = str.length;
-
- // loop over all of the characters in the string
- for ( var i:int = 0; i < len; i++ ) {
-
- // examine the character to determine if we have to escape it
- ch = str.charAt( i );
- switch ( ch ) {
-
- case '"': // quotation mark
- s += "\\\"";
- break;
-
- //case '/': // solidus
- // s += "\\/";
- // break;
-
- case '\\': // reverse solidus
- s += "\\\\";
- break;
-
- case '\b': // bell
- s += "\\b";
- break;
-
- case '\f': // form feed
- s += "\\f";
- break;
-
- case '\n': // newline
- s += "\\n";
- break;
-
- case '\r': // carriage return
- s += "\\r";
- break;
-
- case '\t': // horizontal tab
- s += "\\t";
- break;
-
- default: // everything else
-
- // check for a control character and escape as unicode
- if ( ch < ' ' ) {
- // get the hex digit(s) of the character (either 1 or 2 digits)
- var hexCode:String = ch.charCodeAt( 0 ).toString( 16 );
-
- // ensure that there are 4 digits by adjusting
- // the # of zeros accordingly.
- var zeroPad:String = hexCode.length == 2 ? "00" : "000";
-
- // create the unicode escape sequence with 4 hex digits
- s += "\\u" + zeroPad + hexCode;
- } else {
-
- // no need to do any special encoding, just pass-through
- s += ch;
-
- }
- } // end switch
-
- } // end for loop
-
- return "\"" + s + "\"";
- }
-
- /**
- * Converts an array to it's JSON string equivalent
- *
- * @param a The array to convert
- * @return The JSON string representation of <code>a</code>
- */
- private function arrayToString( a:Array ):String {
- // create a string to store the array's jsonstring value
- var s:String = "";
-
- // loop over the elements in the array and add their converted
- // values to the string
- for ( var i:int = 0; i < a.length; i++ ) {
- // when the length is 0 we're adding the first element so
- // no comma is necessary
- if ( s.length > 0 ) {
- // we've already added an element, so add the comma separator
- s += ","
- }
-
- // convert the value to a string
- s += convertToString( a[i] );
- }
-
- // KNOWN ISSUE: In ActionScript, Arrays can also be associative
- // objects and you can put anything in them, ie:
- // myArray["foo"] = "bar";
- //
- // These properties aren't picked up in the for loop above because
- // the properties don't correspond to indexes. However, we're
- // sort of out luck because the JSON specification doesn't allow
- // these types of array properties.
- //
- // So, if the array was also used as an associative object, there
- // may be some values in the array that don't get properly encoded.
- //
- // A possible solution is to instead encode the Array as an Object
- // but then it won't get decoded correctly (and won't be an
- // Array instance)
-
- // close the array and return it's string value
- return "[" + s + "]";
- }
-
- /**
- * Converts an object to it's JSON string equivalent
- *
- * @param o The object to convert
- * @return The JSON string representation of <code>o</code>
- */
- private function objectToString( o:Object ):String
- {
- // create a string to store the object's jsonstring value
- var s:String = "";
-
- // determine if o is a class instance or a plain object
- var classInfo:XML = describeType( o );
- if ( classInfo.@name.toString() == "Object" )
- {
- // the value of o[key] in the loop below - store this
- // as a variable so we don't have to keep looking up o[key]
- // when testing for valid values to convert
- var value:Object;
-
- // loop over the keys in the object and add their converted
- // values to the string
- for ( var key:String in o )
- {
- // assign value to a variable for quick lookup
- value = o[key];
-
- // don't add function's to the JSON string
- if ( value is Function )
- {
- // skip this key and try another
- continue;
- }
-
- // when the length is 0 we're adding the first item so
- // no comma is necessary
- if ( s.length > 0 ) {
- // we've already added an item, so add the comma separator
- s += ","
- }
-
- s += escapeString( key ) + ":" + convertToString( value );
- }
- }
- else // o is a class instance
- {
- // Loop over all of the variables and accessors in the class and
- // serialize them along with their values.
- for each ( var v:XML in classInfo..*.( name() == "variable" || name() == "accessor" ) )
- {
- // When the length is 0 we're adding the first item so
- // no comma is necessary
- if ( s.length > 0 ) {
- // We've already added an item, so add the comma separator
- s += ","
- }
-
- s += escapeString( v.@name.toString() ) + ":"
- + convertToString( o[ v.@name ] );
- }
-
- }
-
- return "{" + s + "}";
- }
-
-
- }
-
-}
+/* +Adobe Systems Incorporated(r) Source Code License Agreement +Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved. + +Please read this Source Code License Agreement carefully before using +the source code. + +Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive, +no-charge, royalty-free, irrevocable copyright license, to reproduce, +prepare derivative works of, publicly display, publicly perform, and +distribute this source code and such derivative works in source or +object code form without any attribution requirements. + +The name "Adobe Systems Incorporated" must not be used to endorse or promote products +derived from the source code without prior written permission. + +You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and +against any loss, damage, claims or lawsuits, including attorney's +fees that arise or result from your use or distribution of the source +code. + +THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT +ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, +BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF +NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA +OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +package com.adobe.serialization.json +{ + + import flash.utils.describeType; + + public class JSONEncoder { + + /** The string that is going to represent the object we're encoding */ + private var jsonString:String; + + /** + * Creates a new JSONEncoder. + * + * @param o The object to encode as a JSON string + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function JSONEncoder( value:* ) { + jsonString = convertToString( value ); + + } + + /** + * Gets the JSON string from the encoder. + * + * @return The JSON string representation of the object + * that was passed to the constructor + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function getString():String { + return jsonString; + } + + /** + * Converts a value to it's JSON string equivalent. + * + * @param value The value to convert. Could be any + * type (object, number, array, etc) + */ + private function convertToString( value:* ):String { + + // determine what value is and convert it based on it's type + if ( value is String ) { + + // escape the string so it's formatted correctly + return escapeString( value as String ); + + } else if ( value is Number ) { + + // only encode numbers that finate + return isFinite( value as Number) ? value.toString() : "null"; + + } else if ( value is Boolean ) { + + // convert boolean to string easily + return value ? "true" : "false"; + + } else if ( value is Array ) { + + // call the helper method to convert an array + return arrayToString( value as Array ); + + } else if ( value is Object && value != null ) { + + // call the helper method to convert an object + return objectToString( value ); + } + return "null"; + } + + /** + * Escapes a string accoding to the JSON specification. + * + * @param str The string to be escaped + * @return The string with escaped special characters + * according to the JSON specification + */ + private function escapeString( str:String ):String { + // create a string to store the string's jsonstring value + var s:String = ""; + // current character in the string we're processing + var ch:String; + // store the length in a local variable to reduce lookups + var len:Number = str.length; + + // loop over all of the characters in the string + for ( var i:int = 0; i < len; i++ ) { + + // examine the character to determine if we have to escape it + ch = str.charAt( i ); + switch ( ch ) { + + case '"': // quotation mark + s += "\\\""; + break; + + //case '/': // solidus + // s += "\\/"; + // break; + + case '\\': // reverse solidus + s += "\\\\"; + break; + + case '\b': // bell + s += "\\b"; + break; + + case '\f': // form feed + s += "\\f"; + break; + + case '\n': // newline + s += "\\n"; + break; + + case '\r': // carriage return + s += "\\r"; + break; + + case '\t': // horizontal tab + s += "\\t"; + break; + + default: // everything else + + // check for a control character and escape as unicode + if ( ch < ' ' ) { + // get the hex digit(s) of the character (either 1 or 2 digits) + var hexCode:String = ch.charCodeAt( 0 ).toString( 16 ); + + // ensure that there are 4 digits by adjusting + // the # of zeros accordingly. + var zeroPad:String = hexCode.length == 2 ? "00" : "000"; + + // create the unicode escape sequence with 4 hex digits + s += "\\u" + zeroPad + hexCode; + } else { + + // no need to do any special encoding, just pass-through + s += ch; + + } + } // end switch + + } // end for loop + + return "\"" + s + "\""; + } + + /** + * Converts an array to it's JSON string equivalent + * + * @param a The array to convert + * @return The JSON string representation of <code>a</code> + */ + private function arrayToString( a:Array ):String { + // create a string to store the array's jsonstring value + var s:String = ""; + + // loop over the elements in the array and add their converted + // values to the string + for ( var i:int = 0; i < a.length; i++ ) { + // when the length is 0 we're adding the first element so + // no comma is necessary + if ( s.length > 0 ) { + // we've already added an element, so add the comma separator + s += "," + } + + // convert the value to a string + s += convertToString( a[i] ); + } + + // KNOWN ISSUE: In ActionScript, Arrays can also be associative + // objects and you can put anything in them, ie: + // myArray["foo"] = "bar"; + // + // These properties aren't picked up in the for loop above because + // the properties don't correspond to indexes. However, we're + // sort of out luck because the JSON specification doesn't allow + // these types of array properties. + // + // So, if the array was also used as an associative object, there + // may be some values in the array that don't get properly encoded. + // + // A possible solution is to instead encode the Array as an Object + // but then it won't get decoded correctly (and won't be an + // Array instance) + + // close the array and return it's string value + return "[" + s + "]"; + } + + /** + * Converts an object to it's JSON string equivalent + * + * @param o The object to convert + * @return The JSON string representation of <code>o</code> + */ + private function objectToString( o:Object ):String + { + // create a string to store the object's jsonstring value + var s:String = ""; + + // determine if o is a class instance or a plain object + var classInfo:XML = describeType( o ); + if ( classInfo.@name.toString() == "Object" ) + { + // the value of o[key] in the loop below - store this + // as a variable so we don't have to keep looking up o[key] + // when testing for valid values to convert + var value:Object; + + // loop over the keys in the object and add their converted + // values to the string + for ( var key:String in o ) + { + // assign value to a variable for quick lookup + value = o[key]; + + // don't add function's to the JSON string + if ( value is Function ) + { + // skip this key and try another + continue; + } + + // when the length is 0 we're adding the first item so + // no comma is necessary + if ( s.length > 0 ) { + // we've already added an item, so add the comma separator + s += "," + } + + s += escapeString( key ) + ":" + convertToString( value ); + } + } + else // o is a class instance + { + // Loop over all of the variables and accessors in the class and + // serialize them along with their values. + for each ( var v:XML in classInfo..*.( name() == "variable" || name() == "accessor" ) ) + { + // When the length is 0 we're adding the first item so + // no comma is necessary + if ( s.length > 0 ) { + // We've already added an item, so add the comma separator + s += "," + } + + s += escapeString( v.@name.toString() ) + ":" + + convertToString( o[ v.@name ] ); + } + + } + + return "{" + s + "}"; + } + + + } + +} diff --git a/webcam/com/adobe/serialization/json/JSONParseError.as b/webcam/com/adobe/serialization/json/JSONParseError.as index 5042b35..b8c0ecf 100644 --- a/webcam/com/adobe/serialization/json/JSONParseError.as +++ b/webcam/com/adobe/serialization/json/JSONParseError.as @@ -1,90 +1,90 @@ -/*
-Adobe Systems Incorporated(r) Source Code License Agreement
-Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved.
-
-Please read this Source Code License Agreement carefully before using
-the source code.
-
-Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive,
-no-charge, royalty-free, irrevocable copyright license, to reproduce,
-prepare derivative works of, publicly display, publicly perform, and
-distribute this source code and such derivative works in source or
-object code form without any attribution requirements.
-
-The name "Adobe Systems Incorporated" must not be used to endorse or promote products
-derived from the source code without prior written permission.
-
-You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and
-against any loss, damage, claims or lawsuits, including attorney's
-fees that arise or result from your use or distribution of the source
-code.
-
-THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT
-ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF
-NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA
-OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF
-ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-package com.adobe.serialization.json {
-
- /**
- *
- *
- */
- public class JSONParseError extends Error {
-
- /** The location in the string where the error occurred */
- private var _location:int;
-
- /** The string in which the parse error occurred */
- private var _text:String;
-
- /**
- * Constructs a new JSONParseError.
- *
- * @param message The error message that occured during parsing
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function JSONParseError( message:String = "", location:int = 0, text:String = "") {
- super( message );
- //name = "JSONParseError";
- _location = location;
- _text = text;
- }
-
- /**
- * Provides read-only access to the location variable.
- *
- * @return The location in the string where the error occurred
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function get location():int {
- return _location;
- }
-
- /**
- * Provides read-only access to the text variable.
- *
- * @return The string in which the error occurred
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function get text():String {
- return _text;
- }
- }
-
+/* +Adobe Systems Incorporated(r) Source Code License Agreement +Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved. + +Please read this Source Code License Agreement carefully before using +the source code. + +Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive, +no-charge, royalty-free, irrevocable copyright license, to reproduce, +prepare derivative works of, publicly display, publicly perform, and +distribute this source code and such derivative works in source or +object code form without any attribution requirements. + +The name "Adobe Systems Incorporated" must not be used to endorse or promote products +derived from the source code without prior written permission. + +You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and +against any loss, damage, claims or lawsuits, including attorney's +fees that arise or result from your use or distribution of the source +code. + +THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT +ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, +BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF +NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA +OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +package com.adobe.serialization.json { + + /** + * + * + */ + public class JSONParseError extends Error { + + /** The location in the string where the error occurred */ + private var _location:int; + + /** The string in which the parse error occurred */ + private var _text:String; + + /** + * Constructs a new JSONParseError. + * + * @param message The error message that occured during parsing + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function JSONParseError( message:String = "", location:int = 0, text:String = "") { + super( message ); + //name = "JSONParseError"; + _location = location; + _text = text; + } + + /** + * Provides read-only access to the location variable. + * + * @return The location in the string where the error occurred + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function get location():int { + return _location; + } + + /** + * Provides read-only access to the text variable. + * + * @return The string in which the error occurred + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function get text():String { + return _text; + } + } + }
\ No newline at end of file diff --git a/webcam/com/adobe/serialization/json/JSONToken.as b/webcam/com/adobe/serialization/json/JSONToken.as index 54b1332..51e3714 100644 --- a/webcam/com/adobe/serialization/json/JSONToken.as +++ b/webcam/com/adobe/serialization/json/JSONToken.as @@ -1,107 +1,107 @@ -/*
-Adobe Systems Incorporated(r) Source Code License Agreement
-Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved.
-
-Please read this Source Code License Agreement carefully before using
-the source code.
-
-Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive,
-no-charge, royalty-free, irrevocable copyright license, to reproduce,
-prepare derivative works of, publicly display, publicly perform, and
-distribute this source code and such derivative works in source or
-object code form without any attribution requirements.
-
-The name "Adobe Systems Incorporated" must not be used to endorse or promote products
-derived from the source code without prior written permission.
-
-You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and
-against any loss, damage, claims or lawsuits, including attorney's
-fees that arise or result from your use or distribution of the source
-code.
-
-THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT
-ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF
-NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA
-OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF
-ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-package com.adobe.serialization.json {
-
- public class JSONToken {
-
- private var _type:int;
- private var _value:Object;
-
- /**
- * Creates a new JSONToken with a specific token type and value.
- *
- * @param type The JSONTokenType of the token
- * @param value The value of the token
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function JSONToken( type:int = -1 /* JSONTokenType.UNKNOWN */, value:Object = null ) {
- _type = type;
- _value = value;
- }
-
- /**
- * Returns the type of the token.
- *
- * @see com.adobe.serialization.json.JSONTokenType
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function get type():int {
- return _type;
- }
-
- /**
- * Sets the type of the token.
- *
- * @see com.adobe.serialization.json.JSONTokenType
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function set type( value:int ):void {
- _type = value;
- }
-
- /**
- * Gets the value of the token
- *
- * @see com.adobe.serialization.json.JSONTokenType
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function get value():Object {
- return _value;
- }
-
- /**
- * Sets the value of the token
- *
- * @see com.adobe.serialization.json.JSONTokenType
- * @langversion ActionScript 3.0
- * @playerversion Flash 9.0
- * @tiptext
- */
- public function set value ( v:Object ):void {
- _value = v;
- }
-
- }
-
+/* +Adobe Systems Incorporated(r) Source Code License Agreement +Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved. + +Please read this Source Code License Agreement carefully before using +the source code. + +Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive, +no-charge, royalty-free, irrevocable copyright license, to reproduce, +prepare derivative works of, publicly display, publicly perform, and +distribute this source code and such derivative works in source or +object code form without any attribution requirements. + +The name "Adobe Systems Incorporated" must not be used to endorse or promote products +derived from the source code without prior written permission. + +You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and +against any loss, damage, claims or lawsuits, including attorney's +fees that arise or result from your use or distribution of the source +code. + +THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT +ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, +BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF +NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA +OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +package com.adobe.serialization.json { + + public class JSONToken { + + private var _type:int; + private var _value:Object; + + /** + * Creates a new JSONToken with a specific token type and value. + * + * @param type The JSONTokenType of the token + * @param value The value of the token + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function JSONToken( type:int = -1 /* JSONTokenType.UNKNOWN */, value:Object = null ) { + _type = type; + _value = value; + } + + /** + * Returns the type of the token. + * + * @see com.adobe.serialization.json.JSONTokenType + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function get type():int { + return _type; + } + + /** + * Sets the type of the token. + * + * @see com.adobe.serialization.json.JSONTokenType + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function set type( value:int ):void { + _type = value; + } + + /** + * Gets the value of the token + * + * @see com.adobe.serialization.json.JSONTokenType + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function get value():Object { + return _value; + } + + /** + * Sets the value of the token + * + * @see com.adobe.serialization.json.JSONTokenType + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + * @tiptext + */ + public function set value ( v:Object ):void { + _value = v; + } + + } + }
\ No newline at end of file diff --git a/webcam/com/adobe/serialization/json/JSONTokenType.as b/webcam/com/adobe/serialization/json/JSONTokenType.as index e78173e..398a0f4 100644 --- a/webcam/com/adobe/serialization/json/JSONTokenType.as +++ b/webcam/com/adobe/serialization/json/JSONTokenType.as @@ -1,70 +1,70 @@ -/*
-Adobe Systems Incorporated(r) Source Code License Agreement
-Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved.
-
-Please read this Source Code License Agreement carefully before using
-the source code.
-
-Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive,
-no-charge, royalty-free, irrevocable copyright license, to reproduce,
-prepare derivative works of, publicly display, publicly perform, and
-distribute this source code and such derivative works in source or
-object code form without any attribution requirements.
-
-The name "Adobe Systems Incorporated" must not be used to endorse or promote products
-derived from the source code without prior written permission.
-
-You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and
-against any loss, damage, claims or lawsuits, including attorney's
-fees that arise or result from your use or distribution of the source
-code.
-
-THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT
-ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF
-NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA
-OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF
-ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-package com.adobe.serialization.json {
-
- /**
- * Class containing constant values for the different types
- * of tokens in a JSON encoded string.
- */
- public class JSONTokenType {
-
- public static const UNKNOWN:int = -1;
-
- public static const COMMA:int = 0;
-
- public static const LEFT_BRACE:int = 1;
-
- public static const RIGHT_BRACE:int = 2;
-
- public static const LEFT_BRACKET:int = 3;
-
- public static const RIGHT_BRACKET:int = 4;
-
- public static const COLON:int = 6;
-
- public static const TRUE:int = 7;
-
- public static const FALSE:int = 8;
-
- public static const NULL:int = 9;
-
- public static const STRING:int = 10;
-
- public static const NUMBER:int = 11;
-
- }
-
+/* +Adobe Systems Incorporated(r) Source Code License Agreement +Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved. + +Please read this Source Code License Agreement carefully before using +the source code. + +Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive, +no-charge, royalty-free, irrevocable copyright license, to reproduce, +prepare derivative works of, publicly display, publicly perform, and +distribute this source code and such derivative works in source or +object code form without any attribution requirements. + +The name "Adobe Systems Incorporated" must not be used to endorse or promote products +derived from the source code without prior written permission. + +You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and +against any loss, damage, claims or lawsuits, including attorney's +fees that arise or result from your use or distribution of the source +code. + +THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT +ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, +BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF +NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA +OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +package com.adobe.serialization.json { + + /** + * Class containing constant values for the different types + * of tokens in a JSON encoded string. + */ + public class JSONTokenType { + + public static const UNKNOWN:int = -1; + + public static const COMMA:int = 0; + + public static const LEFT_BRACE:int = 1; + + public static const RIGHT_BRACE:int = 2; + + public static const LEFT_BRACKET:int = 3; + + public static const RIGHT_BRACKET:int = 4; + + public static const COLON:int = 6; + + public static const TRUE:int = 7; + + public static const FALSE:int = 8; + + public static const NULL:int = 9; + + public static const STRING:int = 10; + + public static const NUMBER:int = 11; + + } + }
\ No newline at end of file diff --git a/webcam/com/adobe/serialization/json/JSONTokenizer.as b/webcam/com/adobe/serialization/json/JSONTokenizer.as index 2516446..077414d 100644 --- a/webcam/com/adobe/serialization/json/JSONTokenizer.as +++ b/webcam/com/adobe/serialization/json/JSONTokenizer.as @@ -1,550 +1,550 @@ -/*
-Adobe Systems Incorporated(r) Source Code License Agreement
-Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved.
-
-Please read this Source Code License Agreement carefully before using
-the source code.
-
-Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive,
-no-charge, royalty-free, irrevocable copyright license, to reproduce,
-prepare derivative works of, publicly display, publicly perform, and
-distribute this source code and such derivative works in source or
-object code form without any attribution requirements.
-
-The name "Adobe Systems Incorporated" must not be used to endorse or promote products
-derived from the source code without prior written permission.
-
-You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and
-against any loss, damage, claims or lawsuits, including attorney's
-fees that arise or result from your use or distribution of the source
-code.
-
-THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT
-ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF
-NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA
-OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF
-ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-package com.adobe.serialization.json {
-
- public class JSONTokenizer {
-
- /** The object that will get parsed from the JSON string */
- private var obj:Object;
-
- /** The JSON string to be parsed */
- private var jsonString:String;
-
- /** The current parsing location in the JSON string */
- private var loc:int;
-
- /** The current character in the JSON string during parsing */
- private var ch:String;
-
- /**
- * Constructs a new JSONDecoder to parse a JSON string
- * into a native object.
- *
- * @param s The JSON string to be converted
- * into a native object
- */
- public function JSONTokenizer( s:String ) {
- jsonString = s;
- loc = 0;
-
- // prime the pump by getting the first character
- nextChar();
- }
-
- /**
- * Gets the next token in the input sting and advances
- * the character to the next character after the token
- */
- public function getNextToken():JSONToken {
- var token:JSONToken = new JSONToken();
-
- // skip any whitespace / comments since the last
- // token was read
- skipIgnored();
-
- // examine the new character and see what we have...
- switch ( ch ) {
-
- case '{':
- token.type = JSONTokenType.LEFT_BRACE;
- token.value = '{';
- nextChar();
- break
-
- case '}':
- token.type = JSONTokenType.RIGHT_BRACE;
- token.value = '}';
- nextChar();
- break
-
- case '[':
- token.type = JSONTokenType.LEFT_BRACKET;
- token.value = '[';
- nextChar();
- break
-
- case ']':
- token.type = JSONTokenType.RIGHT_BRACKET;
- token.value = ']';
- nextChar();
- break
-
- case ',':
- token.type = JSONTokenType.COMMA;
- token.value = ',';
- nextChar();
- break
-
- case ':':
- token.type = JSONTokenType.COLON;
- token.value = ':';
- nextChar();
- break;
-
- case 't': // attempt to read true
- var possibleTrue:String = "t" + nextChar() + nextChar() + nextChar();
-
- if ( possibleTrue == "true" ) {
- token.type = JSONTokenType.TRUE;
- token.value = true;
- nextChar();
- } else {
- parseError( "Expecting 'true' but found " + possibleTrue );
- }
-
- break;
-
- case 'f': // attempt to read false
- var possibleFalse:String = "f" + nextChar() + nextChar() + nextChar() + nextChar();
-
- if ( possibleFalse == "false" ) {
- token.type = JSONTokenType.FALSE;
- token.value = false;
- nextChar();
- } else {
- parseError( "Expecting 'false' but found " + possibleFalse );
- }
-
- break;
-
- case 'n': // attempt to read null
-
- var possibleNull:String = "n" + nextChar() + nextChar() + nextChar();
-
- if ( possibleNull == "null" ) {
- token.type = JSONTokenType.NULL;
- token.value = null;
- nextChar();
- } else {
- parseError( "Expecting 'null' but found " + possibleNull );
- }
-
- break;
-
- case '"': // the start of a string
- token = readString();
- break;
-
- default:
- // see if we can read a number
- if ( isDigit( ch ) || ch == '-' ) {
- token = readNumber();
- } else if ( ch == '' ) {
- // check for reading past the end of the string
- return null;
- } else {
- // not sure what was in the input string - it's not
- // anything we expected
- parseError( "Unexpected " + ch + " encountered" );
- }
- }
-
- return token;
- }
-
- /**
- * Attempts to read a string from the input string. Places
- * the character location at the first character after the
- * string. It is assumed that ch is " before this method is called.
- *
- * @return the JSONToken with the string value if a string could
- * be read. Throws an error otherwise.
- */
- private function readString():JSONToken {
- // the token for the string we'll try to read
- var token:JSONToken = new JSONToken();
- token.type = JSONTokenType.STRING;
-
- // the string to store the string we'll try to read
- var string:String = "";
-
- // advance past the first "
- nextChar();
-
- while ( ch != '"' && ch != '' ) {
-
- // unescape the escape sequences in the string
- if ( ch == '\\' ) {
-
- // get the next character so we know what
- // to unescape
- nextChar();
-
- switch ( ch ) {
-
- case '"': // quotation mark
- string += '"';
- break;
-
- case '/': // solidus
- string += "/";
- break;
-
- case '\\': // reverse solidus
- string += '\\';
- break;
-
- case 'b': // bell
- string += '\b';
- break;
-
- case 'f': // form feed
- string += '\f';
- break;
-
- case 'n': // newline
- string += '\n';
- break;
-
- case 'r': // carriage return
- string += '\r';
- break;
-
- case 't': // horizontal tab
- string += '\t'
- break;
-
- case 'u':
- // convert a unicode escape sequence
- // to it's character value - expecting
- // 4 hex digits
-
- // save the characters as a string we'll convert to an int
- var hexValue:String = "";
-
- // try to find 4 hex characters
- for ( var i:int = 0; i < 4; i++ ) {
- // get the next character and determine
- // if it's a valid hex digit or not
- if ( !isHexDigit( nextChar() ) ) {
- parseError( " Excepted a hex digit, but found: " + ch );
- }
- // valid, add it to the value
- hexValue += ch;
- }
-
- // convert hexValue to an integer, and use that
- // integrer value to create a character to add
- // to our string.
- string += String.fromCharCode( parseInt( hexValue, 16 ) );
-
- break;
-
- default:
- // couldn't unescape the sequence, so just
- // pass it through
- string += '\\' + ch;
-
- }
-
- } else {
- // didn't have to unescape, so add the character to the string
- string += ch;
-
- }
-
- // move to the next character
- nextChar();
-
- }
-
- // we read past the end of the string without closing it, which
- // is a parse error
- if ( ch == '' ) {
- parseError( "Unterminated string literal" );
- }
-
- // move past the closing " in the input string
- nextChar();
-
- // attach to the string to the token so we can return it
- token.value = string;
-
- return token;
- }
-
- /**
- * Attempts to read a number from the input string. Places
- * the character location at the first character after the
- * number.
- *
- * @return The JSONToken with the number value if a number could
- * be read. Throws an error otherwise.
- */
- private function readNumber():JSONToken {
- // the token for the number we'll try to read
- var token:JSONToken = new JSONToken();
- token.type = JSONTokenType.NUMBER;
-
- // the string to accumulate the number characters
- // into that we'll convert to a number at the end
- var input:String = "";
-
- // check for a negative number
- if ( ch == '-' ) {
- input += '-';
- nextChar();
- }
-
- // the number must start with a digit
- if ( !isDigit( ch ) )
- {
- parseError( "Expecting a digit" );
- }
-
- // 0 can only be the first digit if it
- // is followed by a decimal point
- if ( ch == '0' )
- {
- input += ch;
- nextChar();
-
- // make sure no other digits come after 0
- if ( isDigit( ch ) )
- {
- parseError( "A digit cannot immediately follow 0" );
- }
- }
- else
- {
- // read numbers while we can
- while ( isDigit( ch ) ) {
- input += ch;
- nextChar();
- }
- }
-
- // check for a decimal value
- if ( ch == '.' ) {
- input += '.';
- nextChar();
-
- // after the decimal there has to be a digit
- if ( !isDigit( ch ) )
- {
- parseError( "Expecting a digit" );
- }
-
- // read more numbers to get the decimal value
- while ( isDigit( ch ) ) {
- input += ch;
- nextChar();
- }
- }
-
- // check for scientific notation
- if ( ch == 'e' || ch == 'E' )
- {
- input += "e"
- nextChar();
- // check for sign
- if ( ch == '+' || ch == '-' )
- {
- input += ch;
- nextChar();
- }
-
- // require at least one number for the exponent
- // in this case
- if ( !isDigit( ch ) )
- {
- parseError( "Scientific notation number needs exponent value" );
- }
-
- // read in the exponent
- while ( isDigit( ch ) )
- {
- input += ch;
- nextChar();
- }
- }
-
- // convert the string to a number value
- var num:Number = Number( input );
-
- if ( isFinite( num ) && !isNaN( num ) ) {
- token.value = num;
- return token;
- } else {
- parseError( "Number " + num + " is not valid!" );
- }
- return null;
- }
-
- /**
- * Reads the next character in the input
- * string and advances the character location.
- *
- * @return The next character in the input string, or
- * null if we've read past the end.
- */
- private function nextChar():String {
- return ch = jsonString.charAt( loc++ );
- }
-
- /**
- * Advances the character location past any
- * sort of white space and comments
- */
- private function skipIgnored():void {
- skipWhite();
- skipComments();
- skipWhite();
- }
-
- /**
- * Skips comments in the input string, either
- * single-line or multi-line. Advances the character
- * to the first position after the end of the comment.
- */
- private function skipComments():void {
- if ( ch == '/' ) {
- // Advance past the first / to find out what type of comment
- nextChar();
- switch ( ch ) {
- case '/': // single-line comment, read through end of line
-
- // Loop over the characters until we find
- // a newline or until there's no more characters left
- do {
- nextChar();
- } while ( ch != '\n' && ch != '' )
-
- // move past the \n
- nextChar();
-
- break;
-
- case '*': // multi-line comment, read until closing */
-
- // move past the opening *
- nextChar();
-
- // try to find a trailing */
- while ( true ) {
- if ( ch == '*' ) {
- // check to see if we have a closing /
- nextChar();
- if ( ch == '/') {
- // move past the end of the closing */
- nextChar();
- break;
- }
- } else {
- // move along, looking if the next character is a *
- nextChar();
- }
-
- // when we're here we've read past the end of
- // the string without finding a closing */, so error
- if ( ch == '' ) {
- parseError( "Multi-line comment not closed" );
- }
- }
-
- break;
-
- // Can't match a comment after a /, so it's a parsing error
- default:
- parseError( "Unexpected " + ch + " encountered (expecting '/' or '*' )" );
- }
- }
-
- }
-
-
- /**
- * Skip any whitespace in the input string and advances
- * the character to the first character after any possible
- * whitespace.
- */
- private function skipWhite():void {
-
- // As long as there are spaces in the input
- // stream, advance the current location pointer
- // past them
- while ( isWhiteSpace( ch ) ) {
- nextChar();
- }
-
- }
-
- /**
- * Determines if a character is whitespace or not.
- *
- * @return True if the character passed in is a whitespace
- * character
- */
- private function isWhiteSpace( ch:String ):Boolean {
- return ( ch == ' ' || ch == '\t' || ch == '\n' );
- }
-
- /**
- * Determines if a character is a digit [0-9].
- *
- * @return True if the character passed in is a digit
- */
- private function isDigit( ch:String ):Boolean {
- return ( ch >= '0' && ch <= '9' );
- }
-
- /**
- * Determines if a character is a digit [0-9].
- *
- * @return True if the character passed in is a digit
- */
- private function isHexDigit( ch:String ):Boolean {
- // get the uppercase value of ch so we only have
- // to compare the value between 'A' and 'F'
- var uc:String = ch.toUpperCase();
-
- // a hex digit is a digit of A-F, inclusive ( using
- // our uppercase constraint )
- return ( isDigit( ch ) || ( uc >= 'A' && uc <= 'F' ) );
- }
-
- /**
- * Raises a parsing error with a specified message, tacking
- * on the error location and the original string.
- *
- * @param message The message indicating why the error occurred
- */
- public function parseError( message:String ):void {
- throw new JSONParseError( message, loc, jsonString );
- }
- }
-
-}
+/* +Adobe Systems Incorporated(r) Source Code License Agreement +Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved. + +Please read this Source Code License Agreement carefully before using +the source code. + +Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive, +no-charge, royalty-free, irrevocable copyright license, to reproduce, +prepare derivative works of, publicly display, publicly perform, and +distribute this source code and such derivative works in source or +object code form without any attribution requirements. + +The name "Adobe Systems Incorporated" must not be used to endorse or promote products +derived from the source code without prior written permission. + +You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and +against any loss, damage, claims or lawsuits, including attorney's +fees that arise or result from your use or distribution of the source +code. + +THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT +ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, +BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF +NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA +OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +package com.adobe.serialization.json { + + public class JSONTokenizer { + + /** The object that will get parsed from the JSON string */ + private var obj:Object; + + /** The JSON string to be parsed */ + private var jsonString:String; + + /** The current parsing location in the JSON string */ + private var loc:int; + + /** The current character in the JSON string during parsing */ + private var ch:String; + + /** + * Constructs a new JSONDecoder to parse a JSON string + * into a native object. + * + * @param s The JSON string to be converted + * into a native object + */ + public function JSONTokenizer( s:String ) { + jsonString = s; + loc = 0; + + // prime the pump by getting the first character + nextChar(); + } + + /** + * Gets the next token in the input sting and advances + * the character to the next character after the token + */ + public function getNextToken():JSONToken { + var token:JSONToken = new JSONToken(); + + // skip any whitespace / comments since the last + // token was read + skipIgnored(); + + // examine the new character and see what we have... + switch ( ch ) { + + case '{': + token.type = JSONTokenType.LEFT_BRACE; + token.value = '{'; + nextChar(); + break + + case '}': + token.type = JSONTokenType.RIGHT_BRACE; + token.value = '}'; + nextChar(); + break + + case '[': + token.type = JSONTokenType.LEFT_BRACKET; + token.value = '['; + nextChar(); + break + + case ']': + token.type = JSONTokenType.RIGHT_BRACKET; + token.value = ']'; + nextChar(); + break + + case ',': + token.type = JSONTokenType.COMMA; + token.value = ','; + nextChar(); + break + + case ':': + token.type = JSONTokenType.COLON; + token.value = ':'; + nextChar(); + break; + + case 't': // attempt to read true + var possibleTrue:String = "t" + nextChar() + nextChar() + nextChar(); + + if ( possibleTrue == "true" ) { + token.type = JSONTokenType.TRUE; + token.value = true; + nextChar(); + } else { + parseError( "Expecting 'true' but found " + possibleTrue ); + } + + break; + + case 'f': // attempt to read false + var possibleFalse:String = "f" + nextChar() + nextChar() + nextChar() + nextChar(); + + if ( possibleFalse == "false" ) { + token.type = JSONTokenType.FALSE; + token.value = false; + nextChar(); + } else { + parseError( "Expecting 'false' but found " + possibleFalse ); + } + + break; + + case 'n': // attempt to read null + + var possibleNull:String = "n" + nextChar() + nextChar() + nextChar(); + + if ( possibleNull == "null" ) { + token.type = JSONTokenType.NULL; + token.value = null; + nextChar(); + } else { + parseError( "Expecting 'null' but found " + possibleNull ); + } + + break; + + case '"': // the start of a string + token = readString(); + break; + + default: + // see if we can read a number + if ( isDigit( ch ) || ch == '-' ) { + token = readNumber(); + } else if ( ch == '' ) { + // check for reading past the end of the string + return null; + } else { + // not sure what was in the input string - it's not + // anything we expected + parseError( "Unexpected " + ch + " encountered" ); + } + } + + return token; + } + + /** + * Attempts to read a string from the input string. Places + * the character location at the first character after the + * string. It is assumed that ch is " before this method is called. + * + * @return the JSONToken with the string value if a string could + * be read. Throws an error otherwise. + */ + private function readString():JSONToken { + // the token for the string we'll try to read + var token:JSONToken = new JSONToken(); + token.type = JSONTokenType.STRING; + + // the string to store the string we'll try to read + var string:String = ""; + + // advance past the first " + nextChar(); + + while ( ch != '"' && ch != '' ) { + + // unescape the escape sequences in the string + if ( ch == '\\' ) { + + // get the next character so we know what + // to unescape + nextChar(); + + switch ( ch ) { + + case '"': // quotation mark + string += '"'; + break; + + case '/': // solidus + string += "/"; + break; + + case '\\': // reverse solidus + string += '\\'; + break; + + case 'b': // bell + string += '\b'; + break; + + case 'f': // form feed + string += '\f'; + break; + + case 'n': // newline + string += '\n'; + break; + + case 'r': // carriage return + string += '\r'; + break; + + case 't': // horizontal tab + string += '\t' + break; + + case 'u': + // convert a unicode escape sequence + // to it's character value - expecting + // 4 hex digits + + // save the characters as a string we'll convert to an int + var hexValue:String = ""; + + // try to find 4 hex characters + for ( var i:int = 0; i < 4; i++ ) { + // get the next character and determine + // if it's a valid hex digit or not + if ( !isHexDigit( nextChar() ) ) { + parseError( " Excepted a hex digit, but found: " + ch ); + } + // valid, add it to the value + hexValue += ch; + } + + // convert hexValue to an integer, and use that + // integrer value to create a character to add + // to our string. + string += String.fromCharCode( parseInt( hexValue, 16 ) ); + + break; + + default: + // couldn't unescape the sequence, so just + // pass it through + string += '\\' + ch; + + } + + } else { + // didn't have to unescape, so add the character to the string + string += ch; + + } + + // move to the next character + nextChar(); + + } + + // we read past the end of the string without closing it, which + // is a parse error + if ( ch == '' ) { + parseError( "Unterminated string literal" ); + } + + // move past the closing " in the input string + nextChar(); + + // attach to the string to the token so we can return it + token.value = string; + + return token; + } + + /** + * Attempts to read a number from the input string. Places + * the character location at the first character after the + * number. + * + * @return The JSONToken with the number value if a number could + * be read. Throws an error otherwise. + */ + private function readNumber():JSONToken { + // the token for the number we'll try to read + var token:JSONToken = new JSONToken(); + token.type = JSONTokenType.NUMBER; + + // the string to accumulate the number characters + // into that we'll convert to a number at the end + var input:String = ""; + + // check for a negative number + if ( ch == '-' ) { + input += '-'; + nextChar(); + } + + // the number must start with a digit + if ( !isDigit( ch ) ) + { + parseError( "Expecting a digit" ); + } + + // 0 can only be the first digit if it + // is followed by a decimal point + if ( ch == '0' ) + { + input += ch; + nextChar(); + + // make sure no other digits come after 0 + if ( isDigit( ch ) ) + { + parseError( "A digit cannot immediately follow 0" ); + } + } + else + { + // read numbers while we can + while ( isDigit( ch ) ) { + input += ch; + nextChar(); + } + } + + // check for a decimal value + if ( ch == '.' ) { + input += '.'; + nextChar(); + + // after the decimal there has to be a digit + if ( !isDigit( ch ) ) + { + parseError( "Expecting a digit" ); + } + + // read more numbers to get the decimal value + while ( isDigit( ch ) ) { + input += ch; + nextChar(); + } + } + + // check for scientific notation + if ( ch == 'e' || ch == 'E' ) + { + input += "e" + nextChar(); + // check for sign + if ( ch == '+' || ch == '-' ) + { + input += ch; + nextChar(); + } + + // require at least one number for the exponent + // in this case + if ( !isDigit( ch ) ) + { + parseError( "Scientific notation number needs exponent value" ); + } + + // read in the exponent + while ( isDigit( ch ) ) + { + input += ch; + nextChar(); + } + } + + // convert the string to a number value + var num:Number = Number( input ); + + if ( isFinite( num ) && !isNaN( num ) ) { + token.value = num; + return token; + } else { + parseError( "Number " + num + " is not valid!" ); + } + return null; + } + + /** + * Reads the next character in the input + * string and advances the character location. + * + * @return The next character in the input string, or + * null if we've read past the end. + */ + private function nextChar():String { + return ch = jsonString.charAt( loc++ ); + } + + /** + * Advances the character location past any + * sort of white space and comments + */ + private function skipIgnored():void { + skipWhite(); + skipComments(); + skipWhite(); + } + + /** + * Skips comments in the input string, either + * single-line or multi-line. Advances the character + * to the first position after the end of the comment. + */ + private function skipComments():void { + if ( ch == '/' ) { + // Advance past the first / to find out what type of comment + nextChar(); + switch ( ch ) { + case '/': // single-line comment, read through end of line + + // Loop over the characters until we find + // a newline or until there's no more characters left + do { + nextChar(); + } while ( ch != '\n' && ch != '' ) + + // move past the \n + nextChar(); + + break; + + case '*': // multi-line comment, read until closing */ + + // move past the opening * + nextChar(); + + // try to find a trailing */ + while ( true ) { + if ( ch == '*' ) { + // check to see if we have a closing / + nextChar(); + if ( ch == '/') { + // move past the end of the closing */ + nextChar(); + break; + } + } else { + // move along, looking if the next character is a * + nextChar(); + } + + // when we're here we've read past the end of + // the string without finding a closing */, so error + if ( ch == '' ) { + parseError( "Multi-line comment not closed" ); + } + } + + break; + + // Can't match a comment after a /, so it's a parsing error + default: + parseError( "Unexpected " + ch + " encountered (expecting '/' or '*' )" ); + } + } + + } + + + /** + * Skip any whitespace in the input string and advances + * the character to the first character after any possible + * whitespace. + */ + private function skipWhite():void { + + // As long as there are spaces in the input + // stream, advance the current location pointer + // past them + while ( isWhiteSpace( ch ) ) { + nextChar(); + } + + } + + /** + * Determines if a character is whitespace or not. + * + * @return True if the character passed in is a whitespace + * character + */ + private function isWhiteSpace( ch:String ):Boolean { + return ( ch == ' ' || ch == '\t' || ch == '\n' ); + } + + /** + * Determines if a character is a digit [0-9]. + * + * @return True if the character passed in is a digit + */ + private function isDigit( ch:String ):Boolean { + return ( ch >= '0' && ch <= '9' ); + } + + /** + * Determines if a character is a digit [0-9]. + * + * @return True if the character passed in is a digit + */ + private function isHexDigit( ch:String ):Boolean { + // get the uppercase value of ch so we only have + // to compare the value between 'A' and 'F' + var uc:String = ch.toUpperCase(); + + // a hex digit is a digit of A-F, inclusive ( using + // our uppercase constraint ) + return ( isDigit( ch ) || ( uc >= 'A' && uc <= 'F' ) ); + } + + /** + * Raises a parsing error with a specified message, tacking + * on the error location and the original string. + * + * @param message The message indicating why the error occurred + */ + public function parseError( message:String ):void { + throw new JSONParseError( message, loc, jsonString ); + } + } + +} |
