1 /*****************************************************************************
2 * directory.c: expands a directory (directory: access plug-in)
3 *****************************************************************************
4 * Copyright (C) 2002-2004 the VideoLAN team
7 * Authors: Derk-Jan Hartman <hartman at videolan dot org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
29 #include <vlc_playlist.h>
30 #include <vlc_input.h>
31 #include <vlc_access.h>
32 #include <vlc_demux.h>
36 #ifdef HAVE_SYS_TYPES_H
37 # include <sys/types.h>
39 #ifdef HAVE_SYS_STAT_H
40 # include <sys/stat.h>
51 #elif defined( WIN32 ) && !defined( UNDER_CE )
53 #elif defined( UNDER_CE )
54 # define strcoll strcmp
61 #include <vlc_charset.h>
63 /*****************************************************************************
65 *****************************************************************************/
66 static int Open ( vlc_object_t * );
67 static void Close( vlc_object_t * );
69 static int DemuxOpen ( vlc_object_t * );
71 #define RECURSIVE_TEXT N_("Subdirectory behavior")
72 #define RECURSIVE_LONGTEXT N_( \
73 "Select whether subdirectories must be expanded.\n" \
74 "none: subdirectories do not appear in the playlist.\n" \
75 "collapse: subdirectories appear but are expanded on first play.\n" \
76 "expand: all subdirectories are expanded.\n" )
78 static const char *psz_recursive_list[] = { "none", "collapse", "expand" };
79 static const char *psz_recursive_list_text[] = { N_("none"), N_("collapse"),
82 #define IGNORE_TEXT N_("Ignored extensions")
83 #define IGNORE_LONGTEXT N_( \
84 "Files with these extensions will not be added to playlist when " \
85 "opening a directory.\n" \
86 "This is useful if you add directories that contain playlist files " \
87 "for instance. Use a comma-separated list of extensions." )
90 set_category( CAT_INPUT );
91 set_shortname( _("Directory" ) );
92 set_subcategory( SUBCAT_INPUT_ACCESS );
93 set_description( _("Standard filesystem directory input") );
94 set_capability( "access2", 55 );
95 add_shortcut( "directory" );
96 add_shortcut( "dir" );
97 add_shortcut( "file" );
98 add_string( "recursive", "expand" , NULL, RECURSIVE_TEXT,
99 RECURSIVE_LONGTEXT, VLC_FALSE );
100 change_string_list( psz_recursive_list, psz_recursive_list_text, 0 );
101 add_string( "ignore-filetypes", "m3u,db,nfo,jpg,gif,sfv,txt,sub,idx,srt,cue",
102 NULL, IGNORE_TEXT, IGNORE_LONGTEXT, VLC_FALSE );
103 set_callbacks( Open, Close );
106 set_description( "Directory EOF");
107 set_capability( "demux2", 0 );
108 add_shortcut( "directory" );
109 set_callbacks( DemuxOpen, NULL );
113 /*****************************************************************************
114 * Local prototypes, constants, structures
115 *****************************************************************************/
117 #define MODE_EXPAND 0
118 #define MODE_COLLAPSE 1
121 static int Read( access_t *, uint8_t *, int );
122 static int ReadNull( access_t *, uint8_t *, int );
123 static int Control( access_t *, int, va_list );
125 static int Demux( demux_t *p_demux );
126 static int DemuxControl( demux_t *p_demux, int i_query, va_list args );
129 static int ReadDir( playlist_t *, const char *psz_name, int i_mode,
130 playlist_item_t *, playlist_item_t *, input_item_t * );
132 /*****************************************************************************
133 * Open: open the directory
134 *****************************************************************************/
135 static int Open( vlc_object_t *p_this )
137 access_t *p_access = (access_t*)p_this;
139 struct stat stat_info;
142 if (utf8_stat (p_access->psz_path, &stat_info)
143 || !S_ISDIR (stat_info.st_mode))
145 if( strcmp( p_access->psz_access, "dir") &&
146 strcmp( p_access->psz_access, "directory") )
150 p_access->pf_read = Read;
151 p_access->pf_block = NULL;
152 p_access->pf_seek = NULL;
153 p_access->pf_control= Control;
156 p_access->psz_demux = strdup( "directory" );
161 /*****************************************************************************
162 * Close: close the target
163 *****************************************************************************/
164 static void Close( vlc_object_t * p_this )
168 /*****************************************************************************
169 * ReadNull: read the directory
170 *****************************************************************************/
171 static int ReadNull( access_t *p_access, uint8_t *p_buffer, int i_len)
173 /* Return fake data */
174 memset( p_buffer, 0, i_len );
178 /*****************************************************************************
179 * Read: read the directory
180 *****************************************************************************/
181 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len)
184 int i_mode, i_activity;
185 playlist_t *p_playlist = pl_Yield( p_access );
186 playlist_item_t *p_item_in_category;
187 input_item_t *p_current_input = input_GetItem(
188 (input_thread_t*)p_access->p_parent);
189 playlist_item_t *p_current = playlist_ItemGetByInput( p_playlist,
192 char *psz_name = strdup (p_access->psz_path);
194 if( psz_name == NULL )
197 if( p_current == NULL ) {
198 msg_Err( p_access, "unable to find item in playlist" );
202 /* Remove the ending '/' char */
205 char *ptr = psz_name + strlen (psz_name);
215 psz = var_CreateGetString( p_access, "recursive" );
216 if( *psz == '\0' || !strncmp( psz, "none" , 4 ) )
218 else if( !strncmp( psz, "collapse", 8 ) )
219 i_mode = MODE_COLLAPSE;
221 i_mode = MODE_EXPAND;
224 msg_Dbg( p_access, "opening directory `%s'", p_access->psz_path );
226 p_current->p_input->i_type = ITEM_TYPE_DIRECTORY;
227 p_item_in_category = playlist_ItemToNode( p_playlist, p_current,
230 i_activity = var_GetInteger( p_playlist, "activity" );
231 var_SetInteger( p_playlist, "activity", i_activity +
232 DIRECTORY_ACTIVITY );
234 ReadDir( p_playlist, psz_name, i_mode, p_current, p_item_in_category,
237 i_activity = var_GetInteger( p_playlist, "activity" );
238 var_SetInteger( p_playlist, "activity", i_activity -
239 DIRECTORY_ACTIVITY );
241 playlist_Signal( p_playlist );
243 if( psz_name ) free( psz_name );
244 vlc_object_release( p_playlist );
246 /* Return fake data forever */
247 p_access->pf_read = ReadNull;
248 return ReadNull( p_access, p_buffer, i_len );
251 /*****************************************************************************
253 *****************************************************************************/
254 static int Control( access_t *p_access, int i_query, va_list args )
263 case ACCESS_CAN_SEEK:
264 case ACCESS_CAN_FASTSEEK:
265 case ACCESS_CAN_PAUSE:
266 case ACCESS_CAN_CONTROL_PACE:
267 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
268 *pb_bool = VLC_FALSE; /* FIXME */
273 pi_int = (int*)va_arg( args, int * );
277 case ACCESS_GET_PTS_DELAY:
278 pi_64 = (int64_t*)va_arg( args, int64_t * );
279 *pi_64 = DEFAULT_PTS_DELAY * 1000;
283 case ACCESS_SET_PAUSE_STATE:
284 case ACCESS_GET_TITLE_INFO:
285 case ACCESS_SET_TITLE:
286 case ACCESS_SET_SEEKPOINT:
287 case ACCESS_SET_PRIVATE_ID_STATE:
291 msg_Warn( p_access, "unimplemented query in control" );
297 /*****************************************************************************
299 *****************************************************************************/
300 static int DemuxOpen ( vlc_object_t *p_this )
302 demux_t *p_demux = (demux_t*)p_this;
304 if( strcmp( p_demux->psz_demux, "directory" ) )
307 p_demux->pf_demux = Demux;
308 p_demux->pf_control = DemuxControl;
312 /*****************************************************************************
314 *****************************************************************************/
315 static int Demux( demux_t *p_demux )
320 /*****************************************************************************
322 *****************************************************************************/
323 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
325 return demux2_vaControlHelper( p_demux->s, 0, 0, 0, 1, i_query, args );
329 static int Sort (const char **a, const char **b)
331 return strcoll (*a, *b);
334 /*****************************************************************************
335 * ReadDir: read a directory and add its content to the list
336 *****************************************************************************/
337 static int ReadDir( playlist_t *p_playlist, const char *psz_name,
338 int i_mode, playlist_item_t *p_parent,
339 playlist_item_t *p_parent_category,
340 input_item_t *p_current_input )
342 char **pp_dir_content = NULL;
343 int i_dir_content, i, i_return = VLC_SUCCESS;
344 playlist_item_t *p_node;
346 char **ppsz_extensions = NULL;
347 int i_extensions = 0;
350 /* Get the first directory entry */
351 i_dir_content = utf8_scandir (psz_name, &pp_dir_content, NULL, Sort);
352 if( i_dir_content == -1 )
354 msg_Warn( p_playlist, "failed to read directory" );
357 else if( i_dir_content <= 0 )
359 /* directory is empty */
360 if( pp_dir_content ) free( pp_dir_content );
364 /* Build array with ignores */
365 psz_ignore = var_CreateGetString( p_playlist, "ignore-filetypes" );
366 if( psz_ignore && *psz_ignore )
368 char *psz_parser = psz_ignore;
371 for( a = 0; psz_parser[a] != '\0'; a++ )
373 if( psz_parser[a] == ',' ) i_extensions++;
376 ppsz_extensions = (char **)calloc (i_extensions, sizeof (char *));
378 for( a = 0; a < i_extensions; a++ )
382 while( psz_parser[0] != '\0' && psz_parser[0] == ' ' ) psz_parser++;
383 ptr = strchr( psz_parser, ',');
384 tmp = ( ptr == NULL )
385 ? strdup( psz_parser )
386 : strndup( psz_parser, ptr - psz_parser );
388 ppsz_extensions[a] = tmp;
389 psz_parser = ptr + 1;
392 if( psz_ignore ) free( psz_ignore );
394 /* While we still have entries in the directory */
395 for( i = 0; i < i_dir_content; i++ )
397 const char *entry = pp_dir_content[i];
398 int i_size_entry = strlen( psz_name ) +
399 strlen( entry ) + 2 + 7 /* strlen("file://") */;
400 char psz_uri[i_size_entry];
402 sprintf( psz_uri, "%s/%s", psz_name, entry);
404 /* if it starts with '.' then forget it */
407 #if defined( S_ISDIR )
408 struct stat stat_data;
410 if (!utf8_stat (psz_uri, &stat_data)
411 && S_ISDIR(stat_data.st_mode) && i_mode != MODE_COLLAPSE )
416 #if defined( S_ISLNK )
418 * FIXME: there is a ToCToU race condition here; but it is rather tricky
419 * impossible to fix while keeping some kind of portable code, and maybe even
420 * in a non-portable way.
422 if (utf8_lstat (psz_uri, &stat_data)
423 || S_ISLNK(stat_data.st_mode) )
425 msg_Dbg( p_playlist, "skipping directory symlink %s",
430 if( i_mode == MODE_NONE )
432 msg_Dbg( p_playlist, "skipping subdirectory %s", psz_uri );
435 else if( i_mode == MODE_EXPAND )
437 msg_Dbg(p_playlist, "creading subdirectory %s", psz_uri );
439 p_node = playlist_NodeCreate( p_playlist, entry,
441 PLAYLIST_NO_REBUILD );
443 /* If we had the parent in category, the it is now node.
444 * Else, we still don't have */
445 if( ReadDir( p_playlist, psz_uri , MODE_EXPAND,
446 p_node, p_parent_category ? p_node : NULL,
450 i_return = VLC_EGENERIC;
457 input_item_t *p_input;
459 if( i_extensions > 0 )
461 const char *psz_dot = strrchr (entry, '.' );
462 if( psz_dot++ && *psz_dot )
465 for( a = 0; a < i_extensions; a++ )
467 if( !strcmp( psz_dot, ppsz_extensions[a] ) )
470 if( a < i_extensions )
472 msg_Dbg( p_playlist, "ignoring file %s", psz_uri );
478 memmove (psz_uri + 7, psz_uri, sizeof (psz_uri) - 7);
479 memcpy (psz_uri, "file://", 7);
480 p_input = input_ItemNewWithType( VLC_OBJECT(p_playlist),
481 psz_uri, entry, 0, NULL,
482 -1, ITEM_TYPE_VFILE );
485 if( p_current_input )
486 input_ItemCopyOptions( p_current_input, p_input );
487 playlist_BothAddInput( p_playlist, p_input,
489 PLAYLIST_APPEND|PLAYLIST_PREPARSE|
491 PLAYLIST_END, NULL, NULL );
497 for( i = 0; i < i_extensions; i++ )
498 if( ppsz_extensions[i] ) free( ppsz_extensions[i] );
499 if( ppsz_extensions ) free( ppsz_extensions );
501 for( i = 0; i < i_dir_content; i++ )
502 if( pp_dir_content[i] ) free( pp_dir_content[i] );
503 if( pp_dir_content ) free( pp_dir_content );