include/vlc_charset.h

   1 /*****************************************************************************
   2  * charset.h: Unicode UTF-8 wrappers function
   3  *****************************************************************************
   4  * Copyright (C) 2003-2005 the VideoLAN team
   5  * Copyright © 2005-2006 Rémi Denis-Courmont
   6  * $Id$
   7  *
   8  * Author: Rémi Denis-Courmont <rem # videolan,org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifndef VLC_CHARSET_H
  26 #define VLC_CHARSET_H 1
  27
  28 /**
  29  * \file
  30  * This files handles locale conversions in vlc
  31  */
  32
  33 #include <stdarg.h>
  34 #include <sys/types.h>
  35 #include <dirent.h>
  36
  37 VLC_EXPORT( void, LocaleFree, ( const char * ) );
  38 VLC_EXPORT( char *, FromLocale, ( const char * ) LIBVLC_USED );
  39 VLC_EXPORT( char *, FromLocaleDup, ( const char * ) LIBVLC_USED );
  40 VLC_EXPORT( char *, ToLocale, ( const char * ) LIBVLC_USED );
  41 VLC_EXPORT( char *, ToLocaleDup, ( const char * ) LIBVLC_USED );
  42
  43 /* TODO: move all of this to "vlc_fs.h" or something like that */
  44 VLC_EXPORT( int, utf8_open, ( const char *filename, int flags, ... ) LIBVLC_USED );
  45 VLC_EXPORT( FILE *, utf8_fopen, ( const char *filename, const char *mode ) LIBVLC_USED );
  46 VLC_EXPORT( DIR *, utf8_opendir, ( const char *dirname ) LIBVLC_USED );
  47 VLC_EXPORT( char *, utf8_readdir, ( DIR *dir ) LIBVLC_USED );
  48 VLC_EXPORT( int, utf8_loaddir, ( DIR *dir, char ***namelist, int (*select)( const char * ), int (*compar)( const char **, const char ** ) ) );
  49 VLC_EXPORT( int, utf8_scandir, ( const char *dirname, char ***namelist, int (*select)( const char * ), int (*compar)( const char **, const char ** ) ) );
  50 VLC_EXPORT( int, utf8_mkdir, ( const char *filename, mode_t mode ) );
  51 VLC_EXPORT( int, utf8_unlink, ( const char *filename ) );
  52 int utf8_rename( const char *, const char * );
  53
  54 #if defined( WIN32 ) && !defined( UNDER_CE )
  55 # define stat _stati64
  56 #endif
  57
  58 VLC_EXPORT( int, utf8_stat, ( const char *filename, struct stat *buf ) );
  59 VLC_EXPORT( int, utf8_lstat, ( const char *filename, struct stat *buf ) );
  60
  61 VLC_EXPORT( int, utf8_vfprintf, ( FILE *stream, const char *fmt, va_list ap ) );
  62 VLC_EXPORT( int, utf8_fprintf, ( FILE *, const char *, ... ) LIBVLC_FORMAT( 2, 3 ) );
  63
  64 VLC_EXPORT( int, utf8_mkstemp, ( char * ) );
  65
  66 VLC_EXPORT( char *, EnsureUTF8, ( char * ) );
  67 VLC_EXPORT( const char *, IsUTF8, ( const char * ) LIBVLC_USED );
  68
  69 #ifdef WIN32
  70 LIBVLC_USED
  71 static inline char *FromWide (const wchar_t *wide)
  72 {
  73     size_t len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
  74     if (len == 0)
  75         return NULL;
  76
  77     char *out = (char *)malloc (len);
  78
  79     if (out)
  80         WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
  81     return out;
  82 }
  83 #endif
  84
  85 /**
  86  * Converts a nul-terminated string from ISO-8859-1 to UTF-8.
  87  */
  88 static inline char *FromLatin1 (const char *latin)
  89 {
  90     char *str = (char *)malloc (2 * strlen (latin) + 1), *utf8 = str;
  91     unsigned char c;
  92
  93     if (str == NULL)
  94         return NULL;
  95
  96     while ((c = *(latin++)) != '\0')
  97     {
  98          if (c >= 0x80)
  99          {
 100              *(utf8++) = 0xC0 | (c >> 6);
 101              *(utf8++) = 0x80 | (c & 0x3F);
 102          }
 103          else
 104              *(utf8++) = c;
 105     }
 106     *(utf8++) = '\0';
 107
 108     utf8 = (char *)realloc (str, utf8 - str);
 109     return utf8 ? utf8 : str;
 110 }
 111
 112 VLC_EXPORT( const char *, GetFallbackEncoding, ( void ) LIBVLC_USED );
 113
 114 VLC_EXPORT( double, us_strtod, ( const char *, char ** ) LIBVLC_USED );
 115 VLC_EXPORT( float, us_strtof, ( const char *, char ** ) LIBVLC_USED );
 116 VLC_EXPORT( double, us_atof, ( const char * ) LIBVLC_USED );
 117 VLC_EXPORT( int, us_asprintf, ( char **, const char *, ... ) LIBVLC_USED );
 118
 119 #endif