vlc/include/vlc_charset.h
2010-02-07 15:19:37 +02:00

98 lines
3.1 KiB
C

/*****************************************************************************
* charset.h: Unicode UTF-8 wrappers function
*****************************************************************************
* Copyright (C) 2003-2005 the VideoLAN team
* Copyright © 2005-2010 Rémi Denis-Courmont
* $Id$
*
* Author: Rémi Denis-Courmont <rem # videolan,org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_CHARSET_H
#define VLC_CHARSET_H 1
/**
* \file
* This files handles locale conversions in vlc
*/
#include <stdarg.h>
VLC_EXPORT( void, LocaleFree, ( const char * ) );
VLC_EXPORT( char *, FromLocale, ( const char * ) LIBVLC_USED );
VLC_EXPORT( char *, FromLocaleDup, ( const char * ) LIBVLC_USED );
VLC_EXPORT( char *, ToLocale, ( const char * ) LIBVLC_USED );
VLC_EXPORT( char *, ToLocaleDup, ( const char * ) LIBVLC_USED );
VLC_EXPORT( int, utf8_vfprintf, ( FILE *stream, const char *fmt, va_list ap ) );
VLC_EXPORT( int, utf8_fprintf, ( FILE *, const char *, ... ) LIBVLC_FORMAT( 2, 3 ) );
VLC_EXPORT( char *, EnsureUTF8, ( char * ) );
VLC_EXPORT( const char *, IsUTF8, ( const char * ) LIBVLC_USED );
#ifdef WIN32
LIBVLC_USED
static inline char *FromWide (const wchar_t *wide)
{
size_t len = WideCharToMultiByte (CP_UTF8, 0, wide, -1, NULL, 0, NULL, NULL);
if (len == 0)
return NULL;
char *out = (char *)malloc (len);
if (out)
WideCharToMultiByte (CP_UTF8, 0, wide, -1, out, len, NULL, NULL);
return out;
}
#endif
/**
* Converts a nul-terminated string from ISO-8859-1 to UTF-8.
*/
static inline char *FromLatin1 (const char *latin)
{
char *str = (char *)malloc (2 * strlen (latin) + 1), *utf8 = str;
unsigned char c;
if (str == NULL)
return NULL;
while ((c = *(latin++)) != '\0')
{
if (c >= 0x80)
{
*(utf8++) = 0xC0 | (c >> 6);
*(utf8++) = 0x80 | (c & 0x3F);
}
else
*(utf8++) = c;
}
*(utf8++) = '\0';
utf8 = (char *)realloc (str, utf8 - str);
return utf8 ? utf8 : str;
}
VLC_EXPORT( char *, FromCharset, ( const char *charset, const void *data, size_t data_size ) LIBVLC_USED );
VLC_EXPORT( double, us_strtod, ( const char *, char ** ) LIBVLC_USED );
VLC_EXPORT( float, us_strtof, ( const char *, char ** ) LIBVLC_USED );
VLC_EXPORT( double, us_atof, ( const char * ) LIBVLC_USED );
VLC_EXPORT( int, us_asprintf, ( char **, const char *, ... ) LIBVLC_USED );
#endif