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 char *psz_name = strdup (p_access->psz_path);
187 if( psz_name == NULL )
190 playlist_t *p_playlist = pl_Yield( p_access );
191 playlist_item_t *p_item_in_category;
192 input_item_t *p_current_input = input_GetItem(
193 (input_thread_t*)p_access->p_parent);
194 playlist_item_t *p_current = playlist_ItemGetByInput( p_playlist,
198 if( p_current == NULL )
200 msg_Err( p_access, "unable to find item in playlist" );
201 vlc_object_release( p_playlist );
205 /* Remove the ending '/' char */
208 char *ptr = psz_name + strlen (psz_name);
218 psz = var_CreateGetString( p_access, "recursive" );
219 if( *psz == '\0' || !strncmp( psz, "none" , 4 ) )
221 else if( !strncmp( psz, "collapse", 8 ) )
222 i_mode = MODE_COLLAPSE;
224 i_mode = MODE_EXPAND;
227 msg_Dbg( p_access, "opening directory `%s'", p_access->psz_path );
229 p_current->p_input->i_type = ITEM_TYPE_DIRECTORY;
230 p_item_in_category = playlist_ItemToNode( p_playlist, p_current,
233 i_activity = var_GetInteger( p_playlist, "activity" );
234 var_SetInteger( p_playlist, "activity", i_activity +
235 DIRECTORY_ACTIVITY );
237 ReadDir( p_playlist, psz_name, i_mode, p_current, p_item_in_category,
240 i_activity = var_GetInteger( p_playlist, "activity" );
241 var_SetInteger( p_playlist, "activity", i_activity -
242 DIRECTORY_ACTIVITY );
244 playlist_Signal( p_playlist );
246 if( psz_name ) free( psz_name );
247 vlc_object_release( p_playlist );
249 /* Return fake data forever */
250 p_access->pf_read = ReadNull;
251 return ReadNull( p_access, p_buffer, i_len );
254 /*****************************************************************************
256 *****************************************************************************/
257 static int Control( access_t *p_access, int i_query, va_list args )
266 case ACCESS_CAN_SEEK:
267 case ACCESS_CAN_FASTSEEK:
268 case ACCESS_CAN_PAUSE:
269 case ACCESS_CAN_CONTROL_PACE:
270 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
271 *pb_bool = VLC_FALSE; /* FIXME */
276 pi_int = (int*)va_arg( args, int * );
280 case ACCESS_GET_PTS_DELAY:
281 pi_64 = (int64_t*)va_arg( args, int64_t * );
282 *pi_64 = DEFAULT_PTS_DELAY * 1000;
286 case ACCESS_SET_PAUSE_STATE:
287 case ACCESS_GET_TITLE_INFO:
288 case ACCESS_SET_TITLE:
289 case ACCESS_SET_SEEKPOINT:
290 case ACCESS_SET_PRIVATE_ID_STATE:
294 msg_Warn( p_access, "unimplemented query in control" );
300 /*****************************************************************************
302 *****************************************************************************/
303 static int DemuxOpen ( vlc_object_t *p_this )
305 demux_t *p_demux = (demux_t*)p_this;
307 if( strcmp( p_demux->psz_demux, "directory" ) )
310 p_demux->pf_demux = Demux;
311 p_demux->pf_control = DemuxControl;
315 /*****************************************************************************
317 *****************************************************************************/
318 static int Demux( demux_t *p_demux )
323 /*****************************************************************************
325 *****************************************************************************/
326 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
328 return demux2_vaControlHelper( p_demux->s, 0, 0, 0, 1, i_query, args );
332 static int Sort (const char **a, const char **b)
334 return strcoll (*a, *b);
337 /*****************************************************************************
338 * ReadDir: read a directory and add its content to the list
339 *****************************************************************************/
340 static int ReadDir( playlist_t *p_playlist, const char *psz_name,
341 int i_mode, playlist_item_t *p_parent,
342 playlist_item_t *p_parent_category,
343 input_item_t *p_current_input )
345 char **pp_dir_content = NULL;
346 int i_dir_content, i, i_return = VLC_SUCCESS;
347 playlist_item_t *p_node;
349 char **ppsz_extensions = NULL;
350 int i_extensions = 0;
353 /* Get the first directory entry */
354 i_dir_content = utf8_scandir (psz_name, &pp_dir_content, NULL, Sort);
355 if( i_dir_content == -1 )
357 msg_Warn( p_playlist, "failed to read directory" );
360 else if( i_dir_content <= 0 )
362 /* directory is empty */
363 if( pp_dir_content ) free( pp_dir_content );
367 /* Build array with ignores */
368 psz_ignore = var_CreateGetString( p_playlist, "ignore-filetypes" );
369 if( psz_ignore && *psz_ignore )
371 char *psz_parser = psz_ignore;
374 for( a = 0; psz_parser[a] != '\0'; a++ )
376 if( psz_parser[a] == ',' ) i_extensions++;
379 ppsz_extensions = (char **)calloc (i_extensions, sizeof (char *));
381 for( a = 0; a < i_extensions; a++ )
385 while( psz_parser[0] != '\0' && psz_parser[0] == ' ' ) psz_parser++;
386 ptr = strchr( psz_parser, ',');
387 tmp = ( ptr == NULL )
388 ? strdup( psz_parser )
389 : strndup( psz_parser, ptr - psz_parser );
391 ppsz_extensions[a] = tmp;
392 psz_parser = ptr + 1;
395 if( psz_ignore ) free( psz_ignore );
397 /* While we still have entries in the directory */
398 for( i = 0; i < i_dir_content; i++ )
400 const char *entry = pp_dir_content[i];
401 int i_size_entry = strlen( psz_name ) +
402 strlen( entry ) + 2 + 7 /* strlen("file://") */;
403 char psz_uri[i_size_entry];
405 sprintf( psz_uri, "%s/%s", psz_name, entry);
407 /* if it starts with '.' then forget it */
410 #if defined( S_ISDIR )
411 struct stat stat_data;
413 if (!utf8_stat (psz_uri, &stat_data)
414 && S_ISDIR(stat_data.st_mode) && i_mode != MODE_COLLAPSE )
419 #if defined( S_ISLNK )
421 * FIXME: there is a ToCToU race condition here; but it is rather tricky
422 * impossible to fix while keeping some kind of portable code, and maybe even
423 * in a non-portable way.
425 if (utf8_lstat (psz_uri, &stat_data)
426 || S_ISLNK(stat_data.st_mode) )
428 msg_Dbg( p_playlist, "skipping directory symlink %s",
433 if( i_mode == MODE_NONE )
435 msg_Dbg( p_playlist, "skipping subdirectory %s", psz_uri );
438 else if( i_mode == MODE_EXPAND )
440 msg_Dbg(p_playlist, "creading subdirectory %s", psz_uri );
442 p_node = playlist_NodeCreate( p_playlist, entry,
444 PLAYLIST_NO_REBUILD );
446 /* If we had the parent in category, the it is now node.
447 * Else, we still don't have */
448 if( ReadDir( p_playlist, psz_uri , MODE_EXPAND,
449 p_node, p_parent_category ? p_node : NULL,
453 i_return = VLC_EGENERIC;
460 input_item_t *p_input;
462 if( i_extensions > 0 )
464 const char *psz_dot = strrchr (entry, '.' );
465 if( psz_dot++ && *psz_dot )
468 for( a = 0; a < i_extensions; a++ )
470 if( !strcmp( psz_dot, ppsz_extensions[a] ) )
473 if( a < i_extensions )
475 msg_Dbg( p_playlist, "ignoring file %s", psz_uri );
481 memmove (psz_uri + 7, psz_uri, sizeof (psz_uri) - 7);
482 memcpy (psz_uri, "file://", 7);
483 p_input = input_ItemNewWithType( VLC_OBJECT(p_playlist),
484 psz_uri, entry, 0, NULL,
485 -1, ITEM_TYPE_VFILE );
488 if( p_current_input )
489 input_ItemCopyOptions( p_current_input, p_input );
490 playlist_BothAddInput( p_playlist, p_input,
492 PLAYLIST_APPEND|PLAYLIST_PREPARSE|
494 PLAYLIST_END, NULL, NULL );
500 for( i = 0; i < i_extensions; i++ )
501 if( ppsz_extensions[i] ) free( ppsz_extensions[i] );
502 if( ppsz_extensions ) free( ppsz_extensions );
504 for( i = 0; i < i_dir_content; i++ )
505 if( pp_dir_content[i] ) free( pp_dir_content[i] );
506 if( pp_dir_content ) free( pp_dir_content );