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[redakcja.git] / platforma / static / filebrowser / uploadify / com / adobe / utils / .svn / text-base / IntUtil.as.svn-base

diff --git a/platforma/static/filebrowser/uploadify/com/adobe/utils/.svn/text-base/IntUtil.as.svn-base b/platforma/static/filebrowser/uploadify/com/adobe/utils/.svn/text-base/IntUtil.as.svn-base
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+/*\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
+}
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