1 /*****************************************************************************
2 * directory.c: expands a directory (directory: access plug-in)
3 *****************************************************************************
4 * Copyright (C) 2002-2007 the VideoLAN team
7 * Authors: Derk-Jan Hartman <hartman at videolan dot org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
30 #include <vlc_playlist.h>
31 #include <vlc_input.h>
32 #include <vlc_access.h>
33 #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 set_callbacks( DemuxOpen, NULL );
112 /*****************************************************************************
113 * Local prototypes, constants, structures
114 *****************************************************************************/
123 typedef struct stat_list_t stat_list_t;
125 static int Read( access_t *, uint8_t *, int );
126 static int ReadNull( access_t *, uint8_t *, int );
127 static int Control( access_t *, int, va_list );
129 static int Demux( demux_t *p_demux );
130 static int DemuxControl( demux_t *p_demux, int i_query, va_list args );
133 static int ReadDir( playlist_t *, const char *psz_name, int i_mode,
134 playlist_item_t *, playlist_item_t *, input_item_t *,
135 DIR *handle, stat_list_t *stats );
137 static DIR *OpenDir (vlc_object_t *obj, const char *psz_name);
139 /*****************************************************************************
140 * Open: open the directory
141 *****************************************************************************/
142 static int Open( vlc_object_t *p_this )
144 access_t *p_access = (access_t*)p_this;
146 DIR *handle = OpenDir (p_this, p_access->psz_path);
150 p_access->p_sys = (access_sys_t *)handle;
152 p_access->pf_read = Read;
153 p_access->pf_block = NULL;
154 p_access->pf_seek = NULL;
155 p_access->pf_control= Control;
158 p_access->psz_demux = strdup( "directory" );
163 /*****************************************************************************
164 * Close: close the target
165 *****************************************************************************/
166 static void Close( vlc_object_t * p_this )
168 access_t *p_access = (access_t*)p_this;
169 DIR *handle = (DIR *)p_access->p_sys;
173 /*****************************************************************************
174 * ReadNull: read the directory
175 *****************************************************************************/
176 static int ReadNull( access_t *p_access, uint8_t *p_buffer, int i_len)
178 /* Return fake data */
179 memset( p_buffer, 0, i_len );
183 /*****************************************************************************
184 * Read: read the directory
185 *****************************************************************************/
186 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len)
189 int i_mode, i_activity;
190 char *psz_name = strdup (p_access->psz_path);
192 if( psz_name == NULL )
195 playlist_t *p_playlist = pl_Yield( p_access );
196 input_thread_t *p_input = (input_thread_t*)vlc_object_find( p_access, VLC_OBJECT_INPUT, FIND_PARENT );
198 playlist_item_t *p_item_in_category;
199 input_item_t *p_current_input;
200 playlist_item_t *p_current;
204 msg_Err( p_access, "unable to find input (internal error)" );
205 vlc_object_release( p_playlist );
209 p_current_input = input_GetItem( p_input );
210 p_current = playlist_ItemGetByInput( p_playlist, p_current_input, VLC_FALSE );
214 msg_Err( p_access, "unable to find item in playlist" );
215 vlc_object_release( p_input );
216 vlc_object_release( p_playlist );
220 /* Remove the ending '/' char */
223 char *ptr = psz_name + strlen (psz_name);
233 psz = var_CreateGetString( p_access, "recursive" );
234 if( *psz == '\0' || !strncmp( psz, "none" , 4 ) )
236 else if( !strncmp( psz, "collapse", 8 ) )
237 i_mode = MODE_COLLAPSE;
239 i_mode = MODE_EXPAND;
242 p_current->p_input->i_type = ITEM_TYPE_DIRECTORY;
243 p_item_in_category = playlist_ItemToNode( p_playlist, p_current,
246 i_activity = var_GetInteger( p_playlist, "activity" );
247 var_SetInteger( p_playlist, "activity", i_activity +
248 DIRECTORY_ACTIVITY );
250 ReadDir( p_playlist, psz_name, i_mode, p_current, p_item_in_category,
251 p_current_input, (DIR *)p_access->p_sys, NULL );
253 i_activity = var_GetInteger( p_playlist, "activity" );
254 var_SetInteger( p_playlist, "activity", i_activity -
255 DIRECTORY_ACTIVITY );
257 playlist_Signal( p_playlist );
259 if( psz_name ) free( psz_name );
260 vlc_object_release( p_input );
261 vlc_object_release( p_playlist );
263 /* Return fake data forever */
264 p_access->pf_read = ReadNull;
265 return ReadNull( p_access, p_buffer, i_len );
268 /*****************************************************************************
270 *****************************************************************************/
271 static int Control( access_t *p_access, int i_query, va_list args )
280 case ACCESS_CAN_SEEK:
281 case ACCESS_CAN_FASTSEEK:
282 case ACCESS_CAN_PAUSE:
283 case ACCESS_CAN_CONTROL_PACE:
284 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
285 *pb_bool = VLC_FALSE; /* FIXME */
290 pi_int = (int*)va_arg( args, int * );
294 case ACCESS_GET_PTS_DELAY:
295 pi_64 = (int64_t*)va_arg( args, int64_t * );
296 *pi_64 = DEFAULT_PTS_DELAY * 1000;
300 case ACCESS_SET_PAUSE_STATE:
301 case ACCESS_GET_TITLE_INFO:
302 case ACCESS_SET_TITLE:
303 case ACCESS_SET_SEEKPOINT:
304 case ACCESS_SET_PRIVATE_ID_STATE:
308 msg_Warn( p_access, "unimplemented query in control" );
314 /*****************************************************************************
316 *****************************************************************************/
317 static int DemuxOpen ( vlc_object_t *p_this )
319 demux_t *p_demux = (demux_t*)p_this;
321 if( strcmp( p_demux->psz_demux, "directory" ) )
324 p_demux->pf_demux = Demux;
325 p_demux->pf_control = DemuxControl;
329 /*****************************************************************************
331 *****************************************************************************/
332 static int Demux( demux_t *p_demux )
337 /*****************************************************************************
339 *****************************************************************************/
340 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
342 return demux2_vaControlHelper( p_demux->s, 0, 0, 0, 1, i_query, args );
346 static int Sort (const char **a, const char **b)
348 return strcoll (*a, *b);
358 /*****************************************************************************
359 * ReadDir: read a directory and add its content to the list
360 *****************************************************************************/
361 static int ReadDir( playlist_t *p_playlist, const char *psz_name,
362 int i_mode, playlist_item_t *p_parent,
363 playlist_item_t *p_parent_category,
364 input_item_t *p_current_input,
365 DIR *handle, stat_list_t *stparent )
367 char **pp_dir_content = NULL;
368 int i_dir_content, i, i_return = VLC_SUCCESS;
369 playlist_item_t *p_node;
371 char **ppsz_extensions = NULL;
372 int i_extensions = 0;
375 struct stat_list_t stself;
377 int fd = dirfd (handle);
379 if ((fd == -1) || fstat (fd, &stself.st))
381 msg_Err (p_playlist, "cannot stat `%s': %s", psz_name,
386 for (stat_list_t *stats = stparent; stats != NULL; stats = stats->parent)
388 if ((stself.st.st_ino == stats->st.st_ino)
389 && (stself.st.st_dev == stats->st.st_dev))
391 msg_Warn (p_playlist,
392 "ignoring infinitely recursive directory `%s'",
398 /* Windows has st_dev (driver letter - 'A'), but it zeroes st_ino,
399 * so that the test above will always incorrectly succeed.
400 * Besides, Windows does not have dirfd(). */
403 stself.parent = stparent;
405 /* Get the first directory entry */
406 i_dir_content = utf8_loaddir (handle, &pp_dir_content, NULL, Sort);
407 if( i_dir_content == -1 )
409 msg_Err (p_playlist, "cannot read `%s': %s", psz_name,
413 else if( i_dir_content <= 0 )
415 /* directory is empty */
416 msg_Dbg( p_playlist, "%s directory is empty", psz_name );
417 free( pp_dir_content );
421 /* Build array with ignores */
422 psz_ignore = var_CreateGetString( p_playlist, "ignore-filetypes" );
423 if( psz_ignore && *psz_ignore )
425 char *psz_parser = psz_ignore;
428 for( a = 0; psz_parser[a] != '\0'; a++ )
430 if( psz_parser[a] == ',' ) i_extensions++;
433 ppsz_extensions = (char **)calloc (i_extensions, sizeof (char *));
435 for( a = 0; a < i_extensions; a++ )
439 while( psz_parser[0] != '\0' && psz_parser[0] == ' ' ) psz_parser++;
440 ptr = strchr( psz_parser, ',');
441 tmp = ( ptr == NULL )
442 ? strdup( psz_parser )
443 : strndup( psz_parser, ptr - psz_parser );
445 ppsz_extensions[a] = tmp;
446 psz_parser = ptr + 1;
449 if( psz_ignore ) free( psz_ignore );
451 /* While we still have entries in the directory */
452 for( i = 0; i < i_dir_content; i++ )
454 const char *entry = pp_dir_content[i];
455 int i_size_entry = strlen( psz_name ) +
456 strlen( entry ) + 2 + 7 /* strlen("file://") */;
457 char psz_uri[i_size_entry];
459 sprintf( psz_uri, "%s/%s", psz_name, entry);
461 /* if it starts with '.' then forget it */
464 DIR *subdir = (i_mode != MODE_COLLAPSE)
465 ? OpenDir (VLC_OBJECT (p_playlist), psz_uri) : NULL;
467 if (subdir != NULL) /* Recurse into subdirectory */
469 if( i_mode == MODE_NONE )
471 msg_Dbg( p_playlist, "skipping subdirectory `%s'",
477 msg_Dbg (p_playlist, "creating subdirectory %s", psz_uri);
479 p_node = playlist_NodeCreate( p_playlist, entry,
481 PLAYLIST_NO_REBUILD );
483 /* If we had the parent in category, the it is now node.
484 * Else, we still don't have */
485 i_return = ReadDir( p_playlist, psz_uri , MODE_EXPAND,
486 p_node, p_parent_category ? p_node : NULL,
487 p_current_input, subdir, &stself );
494 input_item_t *p_input;
496 if( i_extensions > 0 )
498 const char *psz_dot = strrchr (entry, '.' );
499 if( psz_dot++ && *psz_dot )
502 for( a = 0; a < i_extensions; a++ )
504 if( !strcmp( psz_dot, ppsz_extensions[a] ) )
507 if( a < i_extensions )
509 msg_Dbg( p_playlist, "ignoring file %s", psz_uri );
515 memmove (psz_uri + 7, psz_uri, sizeof (psz_uri) - 7);
516 memcpy (psz_uri, "file://", 7);
517 p_input = input_ItemNewWithType( VLC_OBJECT(p_playlist),
518 psz_uri, entry, 0, NULL,
519 -1, ITEM_TYPE_VFILE );
522 if( p_current_input )
523 input_ItemCopyOptions( p_current_input, p_input );
524 playlist_BothAddInput( p_playlist, p_input,
526 PLAYLIST_APPEND|PLAYLIST_PREPARSE|
528 PLAYLIST_END, NULL, NULL,
535 for( i = 0; i < i_extensions; i++ )
536 if( ppsz_extensions[i] ) free( ppsz_extensions[i] );
537 if( ppsz_extensions ) free( ppsz_extensions );
539 for( i = 0; i < i_dir_content; i++ )
540 if( pp_dir_content[i] ) free( pp_dir_content[i] );
541 if( pp_dir_content ) free( pp_dir_content );
547 static DIR *OpenDir (vlc_object_t *obj, const char *path)
549 msg_Dbg (obj, "opening directory `%s'", path);
550 DIR *handle = utf8_opendir (path);
555 msg_Err (obj, "%s: %s", path, strerror (err));
557 msg_Dbg (obj, "skipping non-directory `%s'", path);