+++ /dev/null
-/*\r
- Copyright (c) 2008, Adobe Systems Incorporated\r
- All rights reserved.\r
-\r
- Redistribution and use in source and binary forms, with or without \r
- modification, are permitted provided that the following conditions are\r
- met:\r
-\r
- * Redistributions of source code must retain the above copyright notice, \r
- this list of conditions and the following disclaimer.\r
- \r
- * Redistributions in binary form must reproduce the above copyright\r
- notice, this list of conditions and the following disclaimer in the \r
- documentation and/or other materials provided with the distribution.\r
- \r
- * Neither the name of Adobe Systems Incorporated nor the names of its \r
- contributors may be used to endorse or promote products derived from \r
- this software without specific prior written permission.\r
-\r
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS\r
- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\r
- THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r
- PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR \r
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\r
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,\r
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\r
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF\r
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\r
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\r
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
-*/\r
-package com.adobe.utils {\r
- \r
- import flash.utils.Endian;\r
- \r
- /**\r
- * Contains reusable methods for operations pertaining \r
- * to int values.\r
- */\r
- public class IntUtil {\r
- \r
- /**\r
- * Rotates x left n bits\r
- *\r
- * @langversion ActionScript 3.0\r
- * @playerversion Flash 9.0\r
- * @tiptext\r
- */\r
- public static function rol ( x:int, n:int ):int {\r
- return ( x << n ) | ( x >>> ( 32 - n ) );\r
- }\r
- \r
- /**\r
- * Rotates x right n bits\r
- *\r
- * @langversion ActionScript 3.0\r
- * @playerversion Flash 9.0\r
- * @tiptext\r
- */\r
- public static function ror ( x:int, n:int ):uint {\r
- var nn:int = 32 - n;\r
- return ( x << nn ) | ( x >>> ( 32 - nn ) );\r
- }\r
- \r
- /** String for quick lookup of a hex character based on index */\r
- private static var hexChars:String = "0123456789abcdef";\r
- \r
- /**\r
- * Outputs the hex value of a int, allowing the developer to specify\r
- * the endinaness in the process. Hex output is lowercase.\r
- *\r
- * @param n The int value to output as hex\r
- * @param bigEndian Flag to output the int as big or little endian\r
- * @return A string of length 8 corresponding to the \r
- * hex representation of n ( minus the leading "0x" )\r
- * @langversion ActionScript 3.0\r
- * @playerversion Flash 9.0\r
- * @tiptext\r
- */\r
- public static function toHex( n:int, bigEndian:Boolean = false ):String {\r
- var s:String = "";\r
- \r
- if ( bigEndian ) {\r
- for ( var i:int = 0; i < 4; i++ ) {\r
- s += hexChars.charAt( ( n >> ( ( 3 - i ) * 8 + 4 ) ) & 0xF ) \r
- + hexChars.charAt( ( n >> ( ( 3 - i ) * 8 ) ) & 0xF );\r
- }\r
- } else {\r
- for ( var x:int = 0; x < 4; x++ ) {\r
- s += hexChars.charAt( ( n >> ( x * 8 + 4 ) ) & 0xF )\r
- + hexChars.charAt( ( n >> ( x * 8 ) ) & 0xF );\r
- }\r
- }\r
- \r
- return s;\r
- }\r
- }\r
- \r
-}
\ No newline at end of file