/***************************************************************************** * directory.c: expands a directory (directory: access plug-in) ***************************************************************************** * Copyright (C) 2002-2004 VideoLAN * $Id: directory.c 10814 2005-04-26 07:23:56Z fenrir $ * * Authors: Derk-Jan Hartman <hartman at videolan dot 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., 59 Temple Place - Suite 330, Boston, MA  02111, USA. *****************************************************************************//***************************************************************************** * Preamble *****************************************************************************/#include <vlc/vlc.h>#include <vlc/input.h>#include <vlc_playlist.h>#include <stdlib.h>#include <string.h>#ifdef HAVE_SYS_TYPES_H#   include <sys/types.h>#endif#ifdef HAVE_SYS_STAT_H#   include <sys/stat.h>#endif#ifdef HAVE_ERRNO_H#   include <errno.h>#endif#ifdef HAVE_FCNTL_H#   include <fcntl.h>#endif#ifdef HAVE_UNISTD_H#   include <unistd.h>#elif defined( WIN32 ) && !defined( UNDER_CE )#   include <io.h>#elif defined( UNDER_CE )#   define strcoll strcmp#endif#ifdef HAVE_DIRENT_H#   include <dirent.h>#endif/***************************************************************************** * Module descriptor *****************************************************************************/static int  Open ( vlc_object_t * );static void Close( vlc_object_t * );static int  DemuxOpen ( vlc_object_t * );#define RECURSIVE_TEXT N_("Subdirectory behavior")#define RECURSIVE_LONGTEXT N_( \        "Select whether subdirectories must be expanded.\n" \        "none: subdirectories do not appear in the playlist.\n" \        "collapse: subdirectories appear but are expanded on first play.\n" \        "expand: all subdirectories are expanded.\n" )static char *psz_recursive_list[] = { "none", "collapse", "expand" };static char *psz_recursive_list_text[] = { N_("none"), N_("collapse"),                                           N_("expand") };#define IGNORE_TEXT N_("Ignore files with these extensions")#define IGNORE_LONGTEXT N_( \        "Specify a comma seperated list of file extensions. " \        "Files with these extensions will not be added to playlist when opening a directory. " \        "This is useful if you add directories that contain mp3 albums for instance." )vlc_module_begin();    set_category( CAT_INPUT );    set_shortname( _("Directory" ) );    set_subcategory( SUBCAT_INPUT_ACCESS );    set_description( _("Standard filesystem directory input") );    set_capability( "access2", 55 );    add_shortcut( "directory" );    add_shortcut( "dir" );    add_string( "recursive", "expand" , NULL, RECURSIVE_TEXT,                RECURSIVE_LONGTEXT, VLC_FALSE );      change_string_list( psz_recursive_list, psz_recursive_list_text, 0 );#ifdef HAVE_STRSEP    add_string( "ignore-filetypes", "m3u,nfo,jpg,gif,sfv,txt,sub,idx,srt,cue",                NULL, IGNORE_TEXT, IGNORE_LONGTEXT, VLC_FALSE );#endif    set_callbacks( Open, Close );    add_submodule();        set_description( "Directory EOF");        set_capability( "demux2", 0 );        add_shortcut( "directory" );        set_callbacks( DemuxOpen, NULL );vlc_module_end();/***************************************************************************** * Local prototypes, constants, structures *****************************************************************************/#define MODE_EXPAND 0#define MODE_COLLAPSE 1#define MODE_NONE 2static int Read( access_t *, uint8_t *, int );static int ReadNull( access_t *, uint8_t *, int );static int Control( access_t *, int, va_list );static int Demux( demux_t *p_demux );static int DemuxControl( demux_t *p_demux, int i_query, va_list args );static int ReadDir( playlist_t *, char *psz_name, int i_mode, int *pi_pos,                    playlist_item_t * );/***************************************************************************** * Open: open the directory *****************************************************************************/static int Open( vlc_object_t *p_this ){    access_t *p_access = (access_t*)p_this;#ifdef HAVE_SYS_STAT_H    struct stat stat_info;    if( ( stat( p_access->psz_path, &stat_info ) == -1 ) ||        !S_ISDIR( stat_info.st_mode ) )#elif defined(WIN32)    int i_ret;#   ifdef UNICODE    wchar_t psz_path[MAX_PATH];    mbstowcs( psz_path, p_access->psz_path, MAX_PATH );    psz_path[MAX_PATH-1] = 0;#   else    char *psz_path = p_access->psz_path;#   endif /* UNICODE */    i_ret = GetFileAttributes( psz_path );    if( i_ret == -1 || !(i_ret & FILE_ATTRIBUTE_DIRECTORY) )#else    if( strcmp( p_access->psz_access, "dir") &&        strcmp( p_access->psz_access, "directory") )#endif    {        return VLC_EGENERIC;    }    p_access->pf_read  = Read;    p_access->pf_block = NULL;    p_access->pf_seek  = NULL;    p_access->pf_control= Control;    /* Force a demux */    p_access->psz_demux = strdup( "directory" );    return VLC_SUCCESS;}/***************************************************************************** * Close: close the target *****************************************************************************/static void Close( vlc_object_t * p_this ){}/***************************************************************************** * ReadNull: read the directory *****************************************************************************/static int ReadNull( access_t *p_access, uint8_t *p_buffer, int i_len){    /* Return fake data */    memset( p_buffer, 0, i_len );    return i_len;}/***************************************************************************** * Read: read the directory *****************************************************************************/static int Read( access_t *p_access, uint8_t *p_buffer, int i_len){    char *psz_name = NULL;    char *psz;    int  i_mode, i_pos;    playlist_item_t *p_item;    vlc_bool_t b_play = VLC_FALSE;    playlist_t *p_playlist =        (playlist_t *) vlc_object_find( p_access,                                        VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );    if( !p_playlist )    {        msg_Err( p_access, "can't find playlist" );        goto end;    }    /* Remove the ending '/' char */    psz_name = strdup( p_access->psz_path );    if( psz_name == NULL )        goto end;    if( (psz_name[strlen(psz_name)-1] == '/') ||        (psz_name[strlen(psz_name)-1] == '\\') )    {        psz_name[strlen(psz_name)-1] = '\0';    }    /* Initialize structure */    psz = var_CreateGetString( p_access, "recursive" );    if( *psz == '\0' || !strncmp( psz, "none" , 4 )  )    {        i_mode = MODE_NONE;    }    else if( !strncmp( psz, "collapse", 8 )  )    {        i_mode = MODE_COLLAPSE;    }    else    {        i_mode = MODE_EXPAND;    }    free( psz );    /* Make sure we are deleted when we are done */    /* The playlist position we will use for the add */    i_pos = p_playlist->i_index + 1;    msg_Dbg( p_access, "opening directory `%s'", psz_name );    if( &p_playlist->status.p_item->input ==        ((input_thread_t *)p_access->p_parent)->input.p_item )    {        p_item = p_playlist->status.p_item;        b_play = VLC_TRUE;        msg_Dbg( p_access, "starting directory playback");    }    else    {        input_item_t *p_current = ( (input_thread_t*)p_access->p_parent)->                                                        input.p_item;        p_item = playlist_LockItemGetByInput( p_playlist, p_current );        msg_Dbg( p_access, "not starting directory playback");        if( !p_item )        {            msg_Dbg( p_playlist, "unable to find item in playlist");            return -1;        }        b_play = VLC_FALSE;    }    p_item->input.i_type = ITEM_TYPE_DIRECTORY;    if( ReadDir( p_playlist, psz_name , i_mode, &i_pos,                 p_item ) != VLC_SUCCESS )    {    }end:    /* Begin to read the directory */    if( b_play )    {        playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,                          p_playlist->status.i_view,                          p_playlist->status.p_item, NULL );    }    if( psz_name ) free( psz_name );    vlc_object_release( p_playlist );    /* Return fake data forever */    p_access->pf_read = ReadNull;    return ReadNull( p_access, p_buffer, i_len );}/*****************************************************************************