00001 /* vim: set tabstop=4 shiftwidth=4: */ 00002 00003 /* 00004 * Line breaking in a Unicode sequence. Designed to be used in a 00005 * generic text renderer. 00006 * 00007 * Copyright (C) 2008-2011 Wu Yongwei <wuyongwei at gmail dot com> 00008 * 00009 * This software is provided 'as-is', without any express or implied 00010 * warranty. In no event will the author be held liable for any damages 00011 * arising from the use of this software. 00012 * 00013 * Permission is granted to anyone to use this software for any purpose, 00014 * including commercial applications, and to alter it and redistribute 00015 * it freely, subject to the following restrictions: 00016 * 00017 * 1. The origin of this software must not be misrepresented; you must 00018 * not claim that you wrote the original software. If you use this 00019 * software in a product, an acknowledgement in the product 00020 * documentation would be appreciated but is not required. 00021 * 2. Altered source versions must be plainly marked as such, and must 00022 * not be misrepresented as being the original software. 00023 * 3. This notice may not be removed or altered from any source 00024 * distribution. 00025 * 00026 * The main reference is Unicode Standard Annex 14 (UAX #14): 00027 * <URL:http://www.unicode.org/reports/tr14/> 00028 * 00029 * When this library was designed, this annex was at Revision 19, for 00030 * Unicode 5.0.0: 00031 * <URL:http://www.unicode.org/reports/tr14/tr14-19.html> 00032 * 00033 * This library has been updated according to Revision 26, for 00034 * Unicode 6.0.0: 00035 * <URL:http://www.unicode.org/reports/tr14/tr14-26.html> 00036 * 00037 * The Unicode Terms of Use are available at 00038 * <URL:http://www.unicode.org/copyright.html> 00039 */ 00040 00050 #ifndef LINEBREAK_H 00051 #define LINEBREAK_H 00052 00053 #include <stddef.h> 00054 00055 #ifdef __cplusplus 00056 extern "C" { 00057 #endif 00058 00059 #define LINEBREAK_VERSION 0x0201 00060 extern const int linebreak_version; 00061 00062 #ifndef LINEBREAK_UTF_TYPES_DEFINED 00063 #define LINEBREAK_UTF_TYPES_DEFINED 00064 typedef unsigned char utf8_t; 00065 typedef unsigned short utf16_t; 00066 typedef unsigned int utf32_t; 00067 #endif 00068 00069 #define LINEBREAK_MUSTBREAK 0 00070 #define LINEBREAK_ALLOWBREAK 1 00071 #define LINEBREAK_NOBREAK 2 00072 #define LINEBREAK_INSIDEACHAR 3 00074 void init_linebreak(void); 00075 void set_linebreaks_utf8( 00076 const utf8_t *s, size_t len, const char* lang, char *brks); 00077 void set_linebreaks_utf16( 00078 const utf16_t *s, size_t len, const char* lang, char *brks); 00079 void set_linebreaks_utf32( 00080 const utf32_t *s, size_t len, const char* lang, char *brks); 00081 int is_line_breakable(utf32_t char1, utf32_t char2, const char* lang); 00082 00083 #ifdef __cplusplus 00084 } 00085 #endif 00086 00087 #endif /* LINEBREAK_H */
1.6.2