00001 /******************************************************************************* 00002 00003 @file Iso8859_1.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, August 2004 00031 @author Kris 00032 00033 00034 *******************************************************************************/ 00035 00036 module mango.xcode.Iso8859_1; 00037 00038 private import mango.xcode.Transcoder; 00039 00040 /******************************************************************************* 00041 00042 *******************************************************************************/ 00043 00044 class TranscoderIso8859_1 : Transcoder 00045 { 00046 /*********************************************************************** 00047 00048 ***********************************************************************/ 00049 00050 char[] toString () 00051 { 00052 return "iso-8859-1"; 00053 } 00054 00055 /*********************************************************************** 00056 00057 ***********************************************************************/ 00058 00059 char[] encode (dchar[] input, char[] output, out uint consumed) 00060 { 00061 dchar* pIn = input; 00062 dchar* limit = pIn + input.length; 00063 00064 foreach (inout char d; output) 00065 { 00066 if (pIn < limit) 00067 { 00068 dchar b = *pIn++; 00069 00070 if (b > 0xff) 00071 fault ("invalid input while encoding"); 00072 00073 d = cast(char) b; 00074 } 00075 else 00076 break; 00077 } 00078 00079 return output [0..(consumed = pIn - &input[0])]; 00080 } 00081 00082 00083 /*********************************************************************** 00084 00085 ***********************************************************************/ 00086 00087 dchar[] decode (char[] input, dchar[] output, out uint consumed) 00088 { 00089 char* pIn = input; 00090 char* limit = pIn + input.length; 00091 00092 foreach (inout dchar d; output) 00093 { 00094 if (pIn < limit) 00095 d = cast(dchar) *pIn++; 00096 else 00097 break; 00098 } 00099 00100 return output [0..(consumed = pIn - &input[0])]; 00101 } 00102 }