iso_lang.c

video linux conference

/*****************************************************************************
 * iso_lang.c: function to decode language code (in dvd or a52 for instance).
 *****************************************************************************
 * Copyright (C) 1998-2004 VideoLAN
 * $Id: iso_lang.c 10101 2005-03-02 16:47:31Z robux4 $
 *
 * Author: St閜hane Borel <[e-mail]>
 *         Arnaud de Bossoreille de Ribou <[e-mail]>
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <stdio.h>

#include <vlc/vlc.h>

#include "iso_lang.h"

/*****************************************************************************
 * Local tables
 *****************************************************************************/
#include "iso-639_def.h"

static const iso639_lang_t unknown_language =
    { "Unknown", "Unknown", "??", "???", "???" };

/*****************************************************************************
 * DecodeLanguage: gives the long language name from the two-letter
 *                 ISO-639 code
 *****************************************************************************/
const char * DecodeLanguage( uint16_t i_code )
{
    const iso639_lang_t * p_lang;
    uint8_t psz_code[3];

    psz_code[0] = i_code >> 8;
    psz_code[1] = i_code & 0xff;
    psz_code[2] = '\0';

    for( p_lang = p_languages; p_lang->psz_eng_name; p_lang++ )
    {
        if( !strncmp( p_lang->psz_iso639_1, psz_code, 2 ) )
        {
# if 0
            if( *p_lang->psz_native_name )
            {
                return p_lang->psz_native_name;
            }
#endif

            return _( p_lang->psz_eng_name );
        }
    }

    return _( "Unknown" );
}

const iso639_lang_t * GetLang_1( const char * psz_code )
{
    const iso639_lang_t *p_lang;

    for( p_lang = p_languages; p_lang->psz_eng_name; p_lang++ )
        if( !strncmp( p_lang->psz_iso639_1, psz_code, 2 ) )
            return p_lang;

    return &unknown_language;
}

const iso639_lang_t * GetLang_2T( const char * psz_code )
{
    const iso639_lang_t *p_lang;

    for( p_lang = p_languages; p_lang->psz_eng_name; p_lang++ )
        if( !strncmp( p_lang->psz_iso639_2T, psz_code, 3 ) )
            return p_lang;

    return &unknown_language;
}

const iso639_lang_t * GetLang_2B( const char * psz_code )
{
    const iso639_lang_t *p_lang;

    for( p_lang = p_languages; p_lang->psz_eng_name; p_lang++ )
        if( !strncmp( p_lang->psz_iso639_2B, psz_code, 3 ) )
            return p_lang;

    return &unknown_language;
}