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>
35 #ifdef HAVE_SYS_TYPES_H
36 # include <sys/types.h>
38 #ifdef HAVE_SYS_STAT_H
39 # include <sys/stat.h>
50 #elif defined( WIN32 ) && !defined( UNDER_CE )
52 #elif defined( UNDER_CE )
53 # define strcoll strcmp
60 #include <vlc_charset.h>
62 /*****************************************************************************
64 *****************************************************************************/
65 static int Open ( vlc_object_t * );
66 static void Close( vlc_object_t * );
68 static int DemuxOpen ( vlc_object_t * );
70 #define RECURSIVE_TEXT N_("Subdirectory behavior")
71 #define RECURSIVE_LONGTEXT N_( \
72 "Select whether subdirectories must be expanded.\n" \
73 "none: subdirectories do not appear in the playlist.\n" \
74 "collapse: subdirectories appear but are expanded on first play.\n" \
75 "expand: all subdirectories are expanded.\n" )
77 static const char *psz_recursive_list[] = { "none", "collapse", "expand" };
78 static const char *psz_recursive_list_text[] = { N_("none"), N_("collapse"),
81 #define IGNORE_TEXT N_("Ignored extensions")
82 #define IGNORE_LONGTEXT N_( \
83 "Files with these extensions will not be added to playlist when " \
84 "opening a directory.\n" \
85 "This is useful if you add directories that contain playlist files " \
86 "for instance. Use a comma-separated list of extensions." )
89 set_category( CAT_INPUT );
90 set_shortname( _("Directory" ) );
91 set_subcategory( SUBCAT_INPUT_ACCESS );
92 set_description( _("Standard filesystem directory input") );
93 set_capability( "access2", 55 );
94 add_shortcut( "directory" );
95 add_shortcut( "dir" );
96 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 );
103 add_string( "ignore-filetypes", "m3u,db,nfo,jpg,gif,sfv,txt,sub,idx,srt,cue",
104 NULL, IGNORE_TEXT, IGNORE_LONGTEXT, VLC_FALSE );
107 set_callbacks( Open, Close );
110 set_description( "Directory EOF");
111 set_capability( "demux2", 0 );
112 set_callbacks( DemuxOpen, NULL );
116 /*****************************************************************************
117 * Local prototypes, constants, structures
118 *****************************************************************************/
127 typedef struct stat_list_t stat_list_t;
129 static ssize_t Read( access_t *, uint8_t *, size_t );
130 static ssize_t ReadNull( access_t *, uint8_t *, size_t );
131 static int Control( access_t *, int, va_list );
133 static int Demux( demux_t *p_demux );
134 static int DemuxControl( demux_t *p_demux, int i_query, va_list args );
137 static int ReadDir( playlist_t *, const char *psz_name, int i_mode,
138 playlist_item_t *, playlist_item_t *, input_item_t *,
139 DIR *handle, stat_list_t *stats );
141 static DIR *OpenDir (vlc_object_t *obj, const char *psz_name);
143 /*****************************************************************************
144 * Open: open the directory
145 *****************************************************************************/
146 static int Open( vlc_object_t *p_this )
148 access_t *p_access = (access_t*)p_this;
150 DIR *handle = OpenDir (p_this, p_access->psz_path);
154 p_access->p_sys = (access_sys_t *)handle;
156 p_access->pf_read = Read;
157 p_access->pf_block = NULL;
158 p_access->pf_seek = NULL;
159 p_access->pf_control= Control;
162 p_access->psz_demux = strdup( "directory" );
167 /*****************************************************************************
168 * Close: close the target
169 *****************************************************************************/
170 static void Close( vlc_object_t * p_this )
172 access_t *p_access = (access_t*)p_this;
173 DIR *handle = (DIR *)p_access->p_sys;
177 /*****************************************************************************
178 * ReadNull: read the directory
179 *****************************************************************************/
180 static ssize_t ReadNull( access_t *p_access, uint8_t *p_buffer, size_t i_len)
182 /* Return fake data */
183 memset( p_buffer, 0, i_len );
187 /*****************************************************************************
188 * Read: read the directory
189 *****************************************************************************/
190 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len)
193 int i_mode, i_activity;
194 char *psz_name = strdup (p_access->psz_path);
196 if( psz_name == NULL )
199 playlist_t *p_playlist = pl_Yield( p_access );
200 input_thread_t *p_input = (input_thread_t*)vlc_object_find( p_access, VLC_OBJECT_INPUT, FIND_PARENT );
202 playlist_item_t *p_item_in_category;
203 input_item_t *p_current_input;
204 playlist_item_t *p_current;
208 msg_Err( p_access, "unable to find input (internal error)" );
209 vlc_object_release( p_playlist );
213 p_current_input = input_GetItem( p_input );
214 p_current = playlist_ItemGetByInput( p_playlist, p_current_input, VLC_FALSE );
218 msg_Err( p_access, "unable to find item in playlist" );
219 vlc_object_release( p_input );
220 vlc_object_release( p_playlist );
224 /* Remove the ending '/' char */
227 char *ptr = psz_name + strlen (psz_name);
237 psz = var_CreateGetString( p_access, "recursive" );
238 if( *psz == '\0' || !strncmp( psz, "none" , 4 ) )
240 else if( !strncmp( psz, "collapse", 8 ) )
241 i_mode = MODE_COLLAPSE;
243 i_mode = MODE_EXPAND;
246 p_current->p_input->i_type = ITEM_TYPE_DIRECTORY;
247 p_item_in_category = playlist_ItemToNode( p_playlist, p_current,
250 i_activity = var_GetInteger( p_playlist, "activity" );
251 var_SetInteger( p_playlist, "activity", i_activity +
252 DIRECTORY_ACTIVITY );
254 ReadDir( p_playlist, psz_name, i_mode, p_current, p_item_in_category,
255 p_current_input, (DIR *)p_access->p_sys, NULL );
257 i_activity = var_GetInteger( p_playlist, "activity" );
258 var_SetInteger( p_playlist, "activity", i_activity -
259 DIRECTORY_ACTIVITY );
261 playlist_Signal( p_playlist );
263 if( psz_name ) free( psz_name );
264 vlc_object_release( p_input );
265 vlc_object_release( p_playlist );
267 /* Return fake data forever */
268 p_access->pf_read = ReadNull;
272 /*****************************************************************************
274 *****************************************************************************/
275 static int Control( access_t *p_access, int i_query, va_list args )
284 case ACCESS_CAN_SEEK:
285 case ACCESS_CAN_FASTSEEK:
286 case ACCESS_CAN_PAUSE:
287 case ACCESS_CAN_CONTROL_PACE:
288 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
289 *pb_bool = VLC_FALSE; /* FIXME */
294 pi_int = (int*)va_arg( args, int * );
298 case ACCESS_GET_PTS_DELAY:
299 pi_64 = (int64_t*)va_arg( args, int64_t * );
300 *pi_64 = DEFAULT_PTS_DELAY * 1000;
304 case ACCESS_SET_PAUSE_STATE:
305 case ACCESS_GET_TITLE_INFO:
306 case ACCESS_SET_TITLE:
307 case ACCESS_SET_SEEKPOINT:
308 case ACCESS_SET_PRIVATE_ID_STATE:
309 case ACCESS_GET_CONTENT_TYPE:
313 msg_Warn( p_access, "unimplemented query in control" );
319 /*****************************************************************************
321 *****************************************************************************/
322 static int DemuxOpen ( vlc_object_t *p_this )
324 demux_t *p_demux = (demux_t*)p_this;
326 if( strcmp( p_demux->psz_demux, "directory" ) )
329 p_demux->pf_demux = Demux;
330 p_demux->pf_control = DemuxControl;
334 /*****************************************************************************
336 *****************************************************************************/
337 static int Demux( demux_t *p_demux )
342 /*****************************************************************************
344 *****************************************************************************/
345 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
347 return demux2_vaControlHelper( p_demux->s, 0, 0, 0, 1, i_query, args );
351 static int Sort (const char **a, const char **b)
353 return strcoll (*a, *b);
363 /*****************************************************************************
364 * ReadDir: read a directory and add its content to the list
365 *****************************************************************************/
366 static int ReadDir( playlist_t *p_playlist, const char *psz_name,
367 int i_mode, playlist_item_t *p_parent,
368 playlist_item_t *p_parent_category,
369 input_item_t *p_current_input,
370 DIR *handle, stat_list_t *stparent )
372 char **pp_dir_content = NULL;
373 int i_dir_content, i, i_return = VLC_SUCCESS;
374 playlist_item_t *p_node;
376 char **ppsz_extensions = NULL;
377 int i_extensions = 0;
380 struct stat_list_t stself;
382 int fd = dirfd (handle);
384 if ((fd == -1) || fstat (fd, &stself.st))
386 msg_Err (p_playlist, "cannot stat `%s': %m", psz_name);
390 for (stat_list_t *stats = stparent; stats != NULL; stats = stats->parent)
392 if ((stself.st.st_ino == stats->st.st_ino)
393 && (stself.st.st_dev == stats->st.st_dev))
395 msg_Warn (p_playlist,
396 "ignoring infinitely recursive directory `%s'",
402 /* Windows has st_dev (driver letter - 'A'), but it zeroes st_ino,
403 * so that the test above will always incorrectly succeed.
404 * Besides, Windows does not have dirfd(). */
407 stself.parent = stparent;
409 /* Get the first directory entry */
410 i_dir_content = utf8_loaddir (handle, &pp_dir_content, NULL, Sort);
411 if( i_dir_content == -1 )
413 msg_Err (p_playlist, "cannot read `%s': %m", psz_name);
416 else if( i_dir_content <= 0 )
418 /* directory is empty */
419 msg_Dbg( p_playlist, "%s directory is empty", psz_name );
420 free( pp_dir_content );
424 /* Build array with ignores */
425 psz_ignore = var_CreateGetString( p_playlist, "ignore-filetypes" );
426 if( psz_ignore && *psz_ignore )
428 char *psz_parser = psz_ignore;
431 for( a = 0; psz_parser[a] != '\0'; a++ )
433 if( psz_parser[a] == ',' ) i_extensions++;
436 ppsz_extensions = (char **)calloc (i_extensions, sizeof (char *));
438 for( a = 0; a < i_extensions; a++ )
442 while( psz_parser[0] != '\0' && psz_parser[0] == ' ' ) psz_parser++;
443 ptr = strchr( psz_parser, ',');
444 tmp = ( ptr == NULL )
445 ? strdup( psz_parser )
446 : strndup( psz_parser, ptr - psz_parser );
448 ppsz_extensions[a] = tmp;
449 psz_parser = ptr + 1;
452 if( psz_ignore ) free( psz_ignore );
454 /* While we still have entries in the directory */
455 for( i = 0; i < i_dir_content; i++ )
457 const char *entry = pp_dir_content[i];
458 int i_size_entry = strlen( psz_name ) +
459 strlen( entry ) + 2 + 7 /* strlen("file://") */;
460 char psz_uri[i_size_entry];
462 sprintf( psz_uri, "%s/%s", psz_name, entry);
464 /* if it starts with '.' then forget it */
467 DIR *subdir = (i_mode != MODE_COLLAPSE)
468 ? OpenDir (VLC_OBJECT (p_playlist), psz_uri) : NULL;
470 if (subdir != NULL) /* Recurse into subdirectory */
472 if( i_mode == MODE_NONE )
474 msg_Dbg( p_playlist, "skipping subdirectory `%s'",
480 msg_Dbg (p_playlist, "creating subdirectory %s", psz_uri);
482 p_node = playlist_NodeCreate( p_playlist, entry,
484 PLAYLIST_NO_REBUILD, NULL );
486 /* If we had the parent in category, the it is now node.
487 * Else, we still don't have */
488 i_return = ReadDir( p_playlist, psz_uri , MODE_EXPAND,
489 p_node, p_parent_category ? p_node : NULL,
490 p_current_input, subdir, &stself );
497 input_item_t *p_input;
499 if( i_extensions > 0 )
501 const char *psz_dot = strrchr (entry, '.' );
502 if( psz_dot++ && *psz_dot )
505 for( a = 0; a < i_extensions; a++ )
507 if( !strcmp( psz_dot, ppsz_extensions[a] ) )
510 if( a < i_extensions )
512 msg_Dbg( p_playlist, "ignoring file %s", psz_uri );
518 memmove (psz_uri + 7, psz_uri, sizeof (psz_uri) - 7);
519 memcpy (psz_uri, "file://", 7);
520 p_input = input_ItemNewWithType( VLC_OBJECT(p_playlist),
521 psz_uri, entry, 0, NULL,
522 -1, ITEM_TYPE_FILE );
525 if( p_current_input )
526 input_ItemCopyOptions( p_current_input, p_input );
527 playlist_BothAddInput( p_playlist, p_input,
529 PLAYLIST_APPEND|PLAYLIST_PREPARSE|
531 PLAYLIST_END, NULL, NULL,
533 vlc_gc_decref( p_input );
539 for( i = 0; i < i_extensions; i++ )
540 if( ppsz_extensions[i] ) free( ppsz_extensions[i] );
541 if( ppsz_extensions ) free( ppsz_extensions );
543 for( i = 0; i < i_dir_content; i++ )
544 if( pp_dir_content[i] ) free( pp_dir_content[i] );
545 if( pp_dir_content ) free( pp_dir_content );
551 static DIR *OpenDir (vlc_object_t *obj, const char *path)
553 msg_Dbg (obj, "opening directory `%s'", path);
554 DIR *handle = utf8_opendir (path);
559 msg_Err (obj, "%s: %m", path);
561 msg_Dbg (obj, "skipping non-directory `%s'", path);