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EndianWriter.d

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00001 /*******************************************************************************
00002 
00003         @file EndianWriter.d
00004         
00005         Copyright (C) 2004 Kris Bell
00006         
00007         This software is provided 'as-is', without any express or implied
00008         warranty. In no event will the authors be held liable for damages
00009         of any kind arising from the use of this software.
00010         
00011         Permission is hereby granted to anyone to use this software for any 
00012         purpose, including commercial applications, and to alter it and/or 
00013         redistribute it freely, subject to the following restrictions:
00014         
00015         1. The origin of this software must not be misrepresented; you must 
00016            not claim that you wrote the original software. If you use this 
00017            software in a product, an acknowledgment within documentation of 
00018            said product would be appreciated but is not required.
00019 
00020         2. Altered source versions must be plainly marked as such, and must 
00021            not be misrepresented as being the original software.
00022 
00023         3. This notice may not be removed or altered from any distribution
00024            of the source.
00025 
00026 
00027                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
00028 
00029 
00030         @version        Initial version, March 2004      
00031         @author         Kris
00032 
00033 
00034 *******************************************************************************/
00035 
00036 module mango.io.EndianWriter;
00037 
00038 public  import  mango.io.Writer;
00039 
00040 private import  mango.base.ByteSwap;
00041 
00042 /*******************************************************************************
00043 
00044 *******************************************************************************/
00045 
00046 class EndianWriter : Writer
00047 {       
00048         /***********************************************************************
00049         
00050                 Construct EndianWriter upon the given IBuffer
00051 
00052         ***********************************************************************/
00053 
00054         this (IBuffer buffer)
00055         {
00056                 super (buffer);
00057 
00058                 numeric.int16   = 
00059                 numeric.int16u  = 
00060                 string.char16   = &bits16;
00061 
00062                 numeric.int32   = 
00063                 numeric.int32u  = 
00064                 numeric.float32 = 
00065                 string.char32   = &bits32;
00066 
00067                 numeric.int64   = 
00068                 numeric.int64u  = 
00069                 numeric.float64 = &bits64;
00070 
00071                 numeric.float80 = &bits80;
00072         }
00073 
00074         /***********************************************************************
00075         
00076         ***********************************************************************/
00077         
00078         override char[] toString()
00079         {
00080                 return "endian writer";
00081         }
00082 
00083         /***********************************************************************
00084         
00085         ***********************************************************************/
00086 
00087         void bits16 (void* dst, uint count)
00088         {               
00089                 write (dst, count, ~1, &ByteSwap.swap16);   
00090         }
00091 
00092         /***********************************************************************
00093         
00094         ***********************************************************************/
00095 
00096         void bits32 (void* dst, uint count)
00097         {      
00098                 write (dst, count, ~3, &ByteSwap.swap32);   
00099         }
00100 
00101         /***********************************************************************
00102         
00103         ***********************************************************************/
00104 
00105         void bits64 (void* dst, uint count)
00106         {      
00107                 write (dst, count, ~7, &ByteSwap.swap64);   
00108         }
00109 
00110         /***********************************************************************
00111         
00112         ***********************************************************************/
00113 
00114         void bits80 (void* dst, uint count)
00115         {      
00116                 write (dst, count, ~15, &ByteSwap.swap80);   
00117         }
00118 }
00119 

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