csutil/csunicode.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2003 by Frank Richter 00003 00004 This library is free software; you can redistribute it and/or 00005 modify it under the terms of the GNU Library General Public 00006 License as published by the Free Software Foundation; either 00007 version 2 of the License, or (at your option) any later version. 00008 00009 This library is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 Library General Public License for more details. 00013 00014 You should have received a copy of the GNU Library General Public 00015 License along with this library; if not, write to the Free 00016 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 */ 00018 00019 #ifndef __CS_CSUNICODE_H__ 00020 #define __CS_CSUNICODE_H__ 00021 00029 #if defined(CS_HAS_WCHAR_H) 00030 #include <wchar.h> 00031 #endif 00032 00033 #if defined(CS_USE_FAKE_WCHAR_TYPE) 00034 typedef uint16 wchar_t; 00035 #define CS_WCHAR_T_SIZE 2 00036 #endif 00037 00038 #if !defined(CS_WCHAR_T_SIZE) 00039 # error Unknown wchar_t size. 00040 #elif (CS_WCHAR_T_SIZE != 1) && (CS_WCHAR_T_SIZE != 2) && (CS_WCHAR_T_SIZE != 4) 00041 # error Unsupported wchar_t size. 00042 #endif 00043 00045 typedef uint8 utf8_char; 00047 typedef uint16 utf16_char; 00049 typedef uint32 utf32_char; 00050 00053 00054 #define CS_UC_CHAR_REPLACER 0xFFFD 00055 00056 #define CS_UC_INVALID 0xFFFF 00057 00059 #define CS_UC_IS_SURROGATE(C) ((C & 0xFFFFF800) == 0x0000D800) 00060 00061 #define CS_UC_IS_HIGH_SURROGATE(C) ((C & 0xFFFFFC00) == 0x0000DC00) 00062 00063 #define CS_UC_IS_LOW_SURROGATE(C) ((C & 0xFFFFFC00) == 0x0000D800) 00064 00066 #define CS_UC_IS_INVALID(C) ((C == CS_UC_INVALID) || (C == 0)) 00067 00069 #define CS_UC_CHAR_HIGH_SURROGATE_FIRST 0xD800 00070 00071 #define CS_UC_CHAR_HIGH_SURROGATE_LAST 0xDBFF 00072 00073 #define CS_UC_CHAR_LOW_SURROGATE_FIRST 0xDC00 00074 00075 #define CS_UC_CHAR_LOW_SURROGATE_LAST 0xDFFF 00076 00081 #endif
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