FLTK 1.3.0
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00001 /* "$Id$" 00002 * 00003 * Author: Jean-Marc Lienher ( http://oksid.ch ) 00004 * Copyright 2000-2010 by O'ksi'D. 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Library General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2 of the License, or (at your option) any later version. 00010 * 00011 * This library is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Library General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Library General Public 00017 * License along with this library; if not, write to the Free Software 00018 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00019 * USA. 00020 * 00021 * Please report all bugs and problems on the following page: 00022 * 00023 * http://www.fltk.org/str.php 00024 */ 00025 00026 /* Merged in some functionality from the fltk-2 version. IMM. 00027 * The following code is an attempt to merge the functions incorporated in FLTK2 00028 * with the functions provided in OksiD's fltk-1.1.6-utf8 port 00029 */ 00030 00031 /*** NOTE : all functions are LIMITED to 24 bits Unicode values !!! ***/ 00032 00038 #ifndef _HAVE_FL_UTF8_HDR_ 00039 #define _HAVE_FL_UTF8_HDR_ 00040 00041 #include "Fl_Export.H" 00042 #include "fl_types.h" 00043 00044 #include <stdio.h> 00045 #include <string.h> 00046 #include <stdlib.h> 00047 00048 #ifdef WIN32 00049 # include <sys/types.h> 00050 # include <sys/stat.h> 00051 # include <locale.h> 00052 # include <ctype.h> 00053 # define xchar wchar_t 00054 # if !defined(FL_DLL) && !defined(__CYGWIN__) 00055 # undef strdup 00056 # define strdup _strdup 00057 # undef putenv 00058 # define putenv _putenv 00059 # undef stricmp 00060 # define stricmp _stricmp 00061 # undef strnicmp 00062 # define strnicmp _strnicmp 00063 # undef hypot 00064 # define hypot _hypot 00065 # undef chdir 00066 # define chdir _chdir 00067 # endif 00068 #elif defined(__APPLE__) 00069 # include <wchar.h> 00070 # include <sys/stat.h> 00071 # define xchar wchar_t 00072 #else /* X11 */ 00073 # include <sys/types.h> 00074 # include <sys/stat.h> 00075 # include "Xutf8.h" 00076 # include <X11/Xlocale.h> 00077 # include <X11/Xlib.h> 00078 # include <locale.h> 00079 # define xchar unsigned short 00080 #endif 00081 00082 # ifdef __cplusplus 00083 extern "C" { 00084 # endif 00085 00090 /* F2: comes from FLTK2 */ 00091 /* OD: comes from OksiD */ 00092 00098 FL_EXPORT int fl_utf8bytes(unsigned ucs); 00099 00100 /* OD: returns the byte length of the first UTF-8 char sequence (returns -1 if not valid) */ 00101 FL_EXPORT int fl_utf8len(char c); 00102 00103 /* OD: returns the byte length of the first UTF-8 char sequence (returns +1 if not valid) */ 00104 FL_EXPORT int fl_utf8len1(char c); 00105 00106 /* OD: returns the number of Unicode chars in the UTF-8 string */ 00107 FL_EXPORT int fl_utf_nb_char(const unsigned char *buf, int len); 00108 00109 /* F2: Convert the next UTF8 char-sequence into a Unicode value (and say how many bytes were used) */ 00110 FL_EXPORT unsigned fl_utf8decode(const char* p, const char* end, int* len); 00111 00112 /* F2: Encode a Unicode value into a UTF8 sequence, return the number of bytes used */ 00113 FL_EXPORT int fl_utf8encode(unsigned ucs, char* buf); 00114 00115 /* F2: Move forward to the next valid UTF8 sequence start betwen start and end */ 00116 FL_EXPORT const char* fl_utf8fwd(const char* p, const char* start, const char* end); 00117 00118 /* F2: Move backward to the previous valid UTF8 sequence start */ 00119 FL_EXPORT const char* fl_utf8back(const char* p, const char* start, const char* end); 00120 00121 /* F2: Convert a UTF8 string into UTF16 */ 00122 FL_EXPORT unsigned fl_utf8toUtf16(const char* src, unsigned srclen, unsigned short* dst, unsigned dstlen); 00123 00124 /* F2: Convert a UTF8 string into a wide character string - makes UTF16 on win32, "UCS4" elsewhere */ 00125 FL_EXPORT unsigned fl_utf8towc(const char *src, unsigned srclen, wchar_t *dst, unsigned dstlen); 00126 00127 /* F2: Convert a wide character string to UTF8 - takes in UTF16 on win32, "UCS4" elsewhere */ 00128 FL_EXPORT unsigned fl_utf8fromwc(char *dst, unsigned dstlen, const wchar_t *src, unsigned srclen); 00129 00130 /* F2: Convert a UTF8 string into ASCII, eliding untranslatable glyphs */ 00131 FL_EXPORT unsigned fl_utf8toa (const char *src, unsigned srclen, char *dst, unsigned dstlen); 00132 /* OD: convert UTF-8 string to latin1 */ 00133 /* FL_EXPORT int fl_utf2latin1(const unsigned char *src, int srclen, char *dst); */ 00134 00135 /* F2: Convert 8859-1 string to UTF8 */ 00136 FL_EXPORT unsigned fl_utf8froma (char *dst, unsigned dstlen, const char *src, unsigned srclen); 00137 /* OD: convert latin1 str to UTF-8 */ 00138 /* FL_EXPORT int fl_latin12utf(const unsigned char *src, int srclen, char *dst); */ 00139 00140 /* F2: Returns true if the current O/S locale is UTF8 */ 00141 FL_EXPORT int fl_utf8locale(); 00142 00143 /* F2: Examine the first len characters of src, to determine if the input text is UTF8 or not 00144 * NOTE: The value returned is not simply boolean - it contains information about the probable 00145 * type of the src text. */ 00146 FL_EXPORT int fl_utf8test(const char *src, unsigned len); 00147 00148 /* XX: return width of "raw" ucs character in columns. 00149 * for internal use only */ 00150 FL_EXPORT int fl_wcwidth_(unsigned int ucs); 00151 00152 /* XX: return width of utf-8 character string in columns. 00153 * NOTE: this may also do C1 control character (0x80 to 0x9f) to CP1252 mapping, 00154 * depending on original build options */ 00155 FL_EXPORT int fl_wcwidth(const char *src); 00156 00157 /* OD: Return true if the character is non-spacing */ 00158 FL_EXPORT unsigned int fl_nonspacing(unsigned int ucs); 00159 00160 /* F2: Convert UTF8 to a local multi-byte encoding - mainly for win32? */ 00161 FL_EXPORT unsigned fl_utf8to_mb(const char *src, unsigned srclen, char *dst, unsigned dstlen); 00162 /* OD: Convert UTF8 to a local multi-byte encoding */ 00163 FL_EXPORT char* fl_utf2mbcs(const char *src); 00164 00165 /* F2: Convert a local multi-byte encoding to UTF8 - mainly for win32? */ 00166 FL_EXPORT unsigned fl_utf8from_mb(char *dst, unsigned dstlen, const char *src, unsigned srclen); 00167 /* OD: Convert a local multi-byte encoding to UTF8 */ 00168 /* FL_EXPORT char* fl_mbcs2utf(const char *src); */ 00169 00170 /*****************************************************************************/ 00171 #ifdef WIN32 00172 /* OD: Attempt to convert the UTF8 string to the current locale */ 00173 FL_EXPORT char *fl_utf8_to_locale(const char *s, int len, unsigned int codepage); 00174 00175 /* OD: Attempt to convert a string in the current locale to UTF8 */ 00176 FL_EXPORT char *fl_locale_to_utf8(const char *s, int len, unsigned int codepage); 00177 #endif 00178 00179 /***************************************************************************** 00180 * The following functions are intended to provide portable, UTF8 aware 00181 * versions of standard functions 00182 */ 00183 00184 /* OD: UTF8 aware strncasecmp - converts to lower case Unicode and tests */ 00185 FL_EXPORT int fl_utf_strncasecmp(const char *s1, const char *s2, int n); 00186 00187 /* OD: UTF8 aware strcasecmp - converts to Unicode and tests */ 00188 FL_EXPORT int fl_utf_strcasecmp(const char *s1, const char *s2); 00189 00190 /* OD: return the Unicode lower case value of ucs */ 00191 FL_EXPORT int fl_tolower(unsigned int ucs); 00192 00193 /* OD: return the Unicode upper case value of ucs */ 00194 FL_EXPORT int fl_toupper(unsigned int ucs); 00195 00196 /* OD: converts the UTF8 string to the lower case equivalent */ 00197 FL_EXPORT int fl_utf_tolower(const unsigned char *str, int len, char *buf); 00198 00199 /* OD: converts the UTF8 string to the upper case equivalent */ 00200 FL_EXPORT int fl_utf_toupper(const unsigned char *str, int len, char *buf); 00201 00202 /* OD: Portable UTF8 aware chmod wrapper */ 00203 FL_EXPORT int fl_chmod(const char* f, int mode); 00204 00205 /* OD: Portable UTF8 aware access wrapper */ 00206 FL_EXPORT int fl_access(const char* f, int mode); 00207 00208 /* OD: Portable UTF8 aware stat wrapper */ 00209 FL_EXPORT int fl_stat( const char *path, struct stat *buffer ); 00210 00211 /* OD: Portable UTF8 aware getcwd wrapper */ 00212 FL_EXPORT char* fl_getcwd( char *buf, int maxlen); 00213 00214 /* OD: Portable UTF8 aware fopen wrapper */ 00215 FL_EXPORT FILE *fl_fopen(const char *f, const char *mode); 00216 00217 /* OD: Portable UTF8 aware system wrapper */ 00218 FL_EXPORT int fl_system(const char* f); 00219 00220 /* OD: Portable UTF8 aware execvp wrapper */ 00221 FL_EXPORT int fl_execvp(const char *file, char *const *argv); 00222 00223 /* OD: Portable UTF8 aware open wrapper */ 00224 FL_EXPORT int fl_open(const char* f, int o, ...); 00225 00226 /* OD: Portable UTF8 aware unlink wrapper */ 00227 FL_EXPORT int fl_unlink(const char *f); 00228 00229 /* OD: Portable UTF8 aware rmdir wrapper */ 00230 FL_EXPORT int fl_rmdir(const char *f); 00231 00232 /* OD: Portable UTF8 aware getenv wrapper */ 00233 FL_EXPORT char* fl_getenv(const char *name); 00234 00235 /* OD: Portable UTF8 aware execvp wrapper */ 00236 FL_EXPORT int fl_mkdir(const char* f, int mode); 00237 00238 /* OD: Portable UTF8 aware rename wrapper */ 00239 FL_EXPORT int fl_rename(const char* f, const char *t); 00240 00241 00242 /* OD: Given a full pathname, this will create the directory path needed to hold the file named */ 00243 FL_EXPORT void fl_make_path_for_file( const char *path ); 00244 00245 /* OD: recursively create a path in the file system */ 00246 FL_EXPORT char fl_make_path( const char *path ); 00247 00248 00251 /*****************************************************************************/ 00252 00253 #ifdef __cplusplus 00254 } 00255 #endif /* __cplusplus */ 00256 00257 00258 #endif /* _HAVE_FL_UTF8_HDR_ */ 00259 00260 /* 00261 * End of "$Id$". 00262 */