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 #include "cssysdef.h" 00030 00031 #if !defined(CS_WCHAR_T_SIZE) 00032 # error Unknown wchar_t size. 00033 #elif (CS_WCHAR_T_SIZE != 1) && \ 00034 (CS_WCHAR_T_SIZE != 2) && \ 00035 (CS_WCHAR_T_SIZE != 4) 00036 # error Unsupported wchar_t size. 00037 #endif 00038 00040 typedef uint8 utf8_char; 00042 typedef uint16 utf16_char; 00044 typedef uint32 utf32_char; 00045 00048 00049 #define CS_UC_CHAR_REPLACER 0xFFFD 00051 #define CS_UC_INVALID 0xFFFF 00053 #define CS_UC_BOM 0xFFFE 00055 #define CS_UC_LAST_CHAR 0x10FFFF 00056 00058 #define CS_UC_IS_SURROGATE(C) (((C) & 0xFFFFF800) == 0x0000D800) 00060 #define CS_UC_IS_HIGH_SURROGATE(C) (((C) & 0xFFFFFC00) == 0x0000DC00) 00062 #define CS_UC_IS_LOW_SURROGATE(C) (((C) & 0xFFFFFC00) == 0x0000D800) 00063 00065 #define CS_UC_IS_NONCHARACTER(C) (((C) == CS_UC_INVALID) || \ 00066 ((C) == CS_UC_BOM) || \ 00067 (((C) >= 0xFDD0) && ((C) <= 0xFDEF)) \ 00068 || ((C) > CS_UC_LAST_CHAR)) 00069 00071 #define CS_UC_CHAR_HIGH_SURROGATE_FIRST 0xD800 00073 #define CS_UC_CHAR_HIGH_SURROGATE_LAST 0xDBFF 00075 #define CS_UC_CHAR_LOW_SURROGATE_FIRST 0xDC00 00077 #define CS_UC_CHAR_LOW_SURROGATE_LAST 0xDFFF 00078 00083 #endif
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