directory.c

video linux conference

 * DemuxOpen:
 *****************************************************************************/
static int Control( access_t *p_access, int i_query, va_list args )
{
    vlc_bool_t   *pb_bool;
    int          *pi_int;
    int64_t      *pi_64;

    switch( i_query )
    {
        /* */
        case ACCESS_CAN_SEEK:
        case ACCESS_CAN_FASTSEEK:
        case ACCESS_CAN_PAUSE:
        case ACCESS_CAN_CONTROL_PACE:
            pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
            *pb_bool = VLC_FALSE;    /* FIXME */
            break;

        /* */
        case ACCESS_GET_MTU:
            pi_int = (int*)va_arg( args, int * );
            *pi_int = 0;
            break;

        case ACCESS_GET_PTS_DELAY:
            pi_64 = (int64_t*)va_arg( args, int64_t * );
            *pi_64 = DEFAULT_PTS_DELAY * 1000;
            break;

        /* */
        case ACCESS_SET_PAUSE_STATE:
        case ACCESS_GET_TITLE_INFO:
        case ACCESS_SET_TITLE:
        case ACCESS_SET_SEEKPOINT:
        case ACCESS_SET_PRIVATE_ID_STATE:
            return VLC_EGENERIC;

        default:
            msg_Warn( p_access, "unimplemented query in control" );
            return VLC_EGENERIC;
    }
    return VLC_SUCCESS;
}

/*****************************************************************************
 * DemuxOpen:
 *****************************************************************************/
static int DemuxOpen ( vlc_object_t *p_this )
{
    demux_t *p_demux = (demux_t*)p_this;

    if( strcmp( p_demux->psz_demux, "directory" ) )
        return VLC_EGENERIC;

    p_demux->pf_demux   = Demux;
    p_demux->pf_control = DemuxControl;
    return VLC_SUCCESS;
}

/*****************************************************************************
 * Demux: EOF
 *****************************************************************************/
static int Demux( demux_t *p_demux )
{
    return 0;
}
/*****************************************************************************
 * DemuxControl:
 *****************************************************************************/
static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
{
    return demux2_vaControlHelper( p_demux->s, 0, 0, 0, 1, i_query, args );
}

#if defined(SYS_BEOS) || defined(WIN32)
/* BeOS doesn't have scandir/alphasort/versionsort */
static int alphasort( const struct dirent **a, const struct dirent **b )
{
    return strcoll( (*a)->d_name, (*b)->d_name );
}

static int scandir( const char *name, struct dirent ***namelist,
                    int (*filter) ( const struct dirent * ),
                    int (*compar) ( const struct dirent **,
                                    const struct dirent ** ) )
{
    DIR            * p_dir;
    struct dirent  * p_content;
    struct dirent ** pp_list;
    int              ret, size;

    if( !namelist || !( p_dir = opendir( name ) ) ) return -1;

    ret     = 0;
    pp_list = NULL;
    while( ( p_content = readdir( p_dir ) ) )
    {
        if( filter && !filter( p_content ) )
        {
            continue;
        }
        pp_list = realloc( pp_list, ( ret + 1 ) * sizeof( struct dirent * ) );
        size = sizeof( struct dirent ) + strlen( p_content->d_name ) + 1;
        pp_list[ret] = malloc( size );
        memcpy( pp_list[ret], p_content, size );
        ret++;
    }

    closedir( p_dir );

    if( compar )
    {
        qsort( pp_list, ret, sizeof( struct dirent * ),
               (int (*)(const void *, const void *)) compar );
    }

    *namelist = pp_list;
    return ret;
}
#endif

static int Filter( const struct dirent *foo )
{
    return VLC_TRUE;
}
/*****************************************************************************
 * ReadDir: read a directory and add its content to the list
 *****************************************************************************/
static int ReadDir( playlist_t *p_playlist,
                    char *psz_name , int i_mode, int *pi_position,
                    playlist_item_t *p_parent )
{
    struct dirent   **pp_dir_content;
    int             i_dir_content, i;
    playlist_item_t *p_node;

    /* Build array with ignores */
#ifdef HAVE_STRSEP
    char **ppsz_extensions = 0;
    int i_extensions = 0;
    char *psz_ignore = var_CreateGetString( p_playlist, "ignore-filetypes" );
    if( psz_ignore && *psz_ignore )
    {
        char *psz_backup;
        char *psz_parser = psz_backup = strdup( psz_ignore );
        int a = 0;

        while( strsep( &psz_parser, "," ) ) i_extensions++;
        free( psz_backup );

        ppsz_extensions = (char **)malloc( sizeof( char * ) * i_extensions );

        psz_parser = psz_ignore;
        while( a < i_extensions &&
               ( ppsz_extensions[a++] = strsep( &psz_parser, "," ) ) );
    }
#endif /* HAVE_STRSEP */

    /* Change the item to a node */
    if( p_parent->i_children == -1 )
    {
        playlist_LockItemToNode( p_playlist,p_parent );
    }

    /* get the first directory entry */
    i_dir_content = scandir( psz_name, &pp_dir_content, Filter, alphasort );
    if( i_dir_content == -1 )
    {
        msg_Warn( p_playlist, "Failed to read directory" );
        return VLC_EGENERIC;
    }
    else if( i_dir_content <= 0 )
    {
        /* directory is empty */
        return VLC_SUCCESS;
    }

    /* While we still have entries in the directory */
    for( i = 0; i < i_dir_content; i++ )
    {
        struct dirent *p_dir_content = pp_dir_content[i];
        int i_size_entry = strlen( psz_name ) +
                           strlen( p_dir_content->d_name ) + 2;
        char *psz_uri = (char *)malloc( sizeof(char) * i_size_entry );

        sprintf( psz_uri, "%s/%s", psz_name, p_dir_content->d_name );

        /* if it starts with '.' then forget it */
        if( p_dir_content->d_name[0] != '.' )
        {
#if defined( S_ISDIR )
            struct stat stat_data;
            stat( psz_uri, &stat_data );
            if( S_ISDIR(stat_data.st_mode) && i_mode != MODE_COLLAPSE )
#elif defined( DT_DIR )
            if( ( p_dir_content->d_type & DT_DIR ) && i_mode != MODE_COLLAPSE )
#else
            if( 0 )
#endif
            {
                if( i_mode == MODE_NONE )
                {
                    msg_Dbg( p_playlist, "Skipping subdirectory %s", psz_uri );
                    free( psz_uri );
                    continue;
                }
                else if( i_mode == MODE_EXPAND )
                {
                    char *psz_newname;
                    msg_Dbg(p_playlist, "Reading subdirectory %s", psz_uri );

                    if( !strncmp( psz_uri, psz_name, strlen( psz_name ) ) )
                    {
                        char *psz_subdir = psz_uri;
                        /* Skip the parent path + the separator */
                        psz_subdir += strlen( psz_name ) + 1;
                        psz_newname = strdup( psz_subdir );
                    }
                    else
                    {
                        psz_newname = strdup( psz_uri );
                    }
                    p_node = playlist_NodeCreate( p_playlist,
                                       p_parent->pp_parents[0]->i_view,
                                       psz_newname, p_parent );

                    playlist_CopyParents(  p_parent, p_node );

                    p_node->input.i_type = ITEM_TYPE_DIRECTORY;

                    if( ReadDir( p_playlist, psz_uri , MODE_EXPAND,
                                 pi_position, p_node ) != VLC_SUCCESS )
                    {
                        return VLC_EGENERIC;
                    }

                    free( psz_newname );
                }
            }
            else
            {
                playlist_item_t *p_item;

#ifdef HAVE_STRSEP
                if( i_extensions > 0 )
                {
                    char *psz_dot = strrchr( p_dir_content->d_name, '.' );
                    if( psz_dot++ && *psz_dot )
                    {
                        int a;
                        for( a = 0; a < i_extensions; a++ )
                        {
                            if( !strcmp( psz_dot, ppsz_extensions[a] ) )
                                break;
                        }
                        if( a < i_extensions )
                        {
                            msg_Dbg( p_playlist, "Ignoring file %s", psz_uri );
                            free( psz_uri );
                            continue;
                        }
                    }
                }
#endif /* HAVE_STRSEP */

                p_item = playlist_ItemNewWithType( VLC_OBJECT(p_playlist),
                        psz_uri, p_dir_content->d_name, ITEM_TYPE_VFILE );
                playlist_NodeAddItem( p_playlist,p_item,
                                      p_parent->pp_parents[0]->i_view,
                                      p_parent,
                                      PLAYLIST_APPEND, PLAYLIST_END );

                playlist_CopyParents( p_parent, p_item );
            }
        }
        free( psz_uri );
    }

#ifdef HAVE_STRSEP
    if( ppsz_extensions ) free( ppsz_extensions );
    if( psz_ignore ) free( psz_ignore );
#endif /* HAVE_STRSEP */

    free( pp_dir_content );
    return VLC_SUCCESS;
}