00001 /******************************************************************************* 00002 00003 @file EndianReader.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 4. Derivative works are permitted, but they must carry this notice 00027 in full and credit the original source. 00028 00029 00030 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 00031 00032 00033 @version Initial version, March 2004 00034 @author Kris 00035 00036 00037 *******************************************************************************/ 00038 00039 module mango.io.EndianReader; 00040 00041 public import mango.io.Reader; 00042 00043 private import mango.sys.Type, 00044 mango.sys.ByteSwap; 00045 00046 /******************************************************************************* 00047 00048 *******************************************************************************/ 00049 00050 class EndianReader : Reader 00051 { 00052 /*********************************************************************** 00053 00054 Construct EndianWriter upon the given IBuffer 00055 00056 ***********************************************************************/ 00057 00058 this (IBuffer buffer) 00059 { 00060 super (buffer); 00061 } 00062 00063 /*********************************************************************** 00064 00065 ***********************************************************************/ 00066 00067 override uint read (void* dst, uint bytes, uint type) 00068 { 00069 super.read (dst, bytes, type); 00070 00071 switch (type) 00072 { 00073 case Type.Short: 00074 case Type.UShort: 00075 case Type.Utf16: 00076 ByteSwap.swap16 (dst, bytes); 00077 break; 00078 00079 case Type.Int: 00080 case Type.UInt: 00081 case Type.Float: 00082 case Type.Utf32: 00083 ByteSwap.swap32 (dst, bytes); 00084 break; 00085 00086 case Type.Long: 00087 case Type.ULong: 00088 case Type.Double: 00089 ByteSwap.swap64 (dst, bytes); 00090 break; 00091 00092 case Type.Real: 00093 ByteSwap.swap80 (dst, bytes); 00094 break; 00095 00096 default: 00097 break; 00098 } 00099 00100 return bytes; 00101 } 00102 }