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>
37 #ifdef HAVE_SYS_TYPES_H
38 # include <sys/types.h>
40 #ifdef HAVE_SYS_STAT_H
41 # include <sys/stat.h>
52 #elif defined( WIN32 ) && !defined( UNDER_CE )
54 #elif defined( UNDER_CE )
55 # define strcoll strcmp
62 #include <vlc_charset.h>
64 /*****************************************************************************
66 *****************************************************************************/
67 static int Open ( vlc_object_t * );
68 static void Close( vlc_object_t * );
70 static int DemuxOpen ( vlc_object_t * );
72 #define RECURSIVE_TEXT N_("Subdirectory behavior")
73 #define RECURSIVE_LONGTEXT N_( \
74 "Select whether subdirectories must be expanded.\n" \
75 "none: subdirectories do not appear in the playlist.\n" \
76 "collapse: subdirectories appear but are expanded on first play.\n" \
77 "expand: all subdirectories are expanded.\n" )
79 static const char *psz_recursive_list[] = { "none", "collapse", "expand" };
80 static const char *psz_recursive_list_text[] = { N_("none"), N_("collapse"),
83 #define IGNORE_TEXT N_("Ignored extensions")
84 #define IGNORE_LONGTEXT N_( \
85 "Files with these extensions will not be added to playlist when " \
86 "opening a directory.\n" \
87 "This is useful if you add directories that contain playlist files " \
88 "for instance. Use a comma-separated list of extensions." )
91 set_category( CAT_INPUT );
92 set_shortname( _("Directory" ) );
93 set_subcategory( SUBCAT_INPUT_ACCESS );
94 set_description( _("Standard filesystem directory input") );
95 set_capability( "access2", 55 );
96 add_shortcut( "directory" );
97 add_shortcut( "dir" );
98 add_shortcut( "file" );
99 add_string( "recursive", "expand" , NULL, RECURSIVE_TEXT,
100 RECURSIVE_LONGTEXT, VLC_FALSE );
101 change_string_list( psz_recursive_list, psz_recursive_list_text, 0 );
102 add_string( "ignore-filetypes", "m3u,db,nfo,jpg,gif,sfv,txt,sub,idx,srt,cue",
103 NULL, IGNORE_TEXT, IGNORE_LONGTEXT, VLC_FALSE );
104 set_callbacks( Open, Close );
107 set_description( "Directory EOF");
108 set_capability( "demux2", 0 );
109 set_callbacks( DemuxOpen, NULL );
113 /*****************************************************************************
114 * Local prototypes, constants, structures
115 *****************************************************************************/
124 typedef struct stat_list_t stat_list_t;
126 static int Read( access_t *, uint8_t *, int );
127 static int ReadNull( access_t *, uint8_t *, int );
128 static int Control( access_t *, int, va_list );
130 static int Demux( demux_t *p_demux );
131 static int DemuxControl( demux_t *p_demux, int i_query, va_list args );
134 static int ReadDir( playlist_t *, const char *psz_name, int i_mode,
135 playlist_item_t *, playlist_item_t *, input_item_t *,
136 DIR *handle, stat_list_t *stats );
138 static DIR *OpenDir (vlc_object_t *obj, const char *psz_name);
140 /*****************************************************************************
141 * Open: open the directory
142 *****************************************************************************/
143 static int Open( vlc_object_t *p_this )
145 access_t *p_access = (access_t*)p_this;
147 DIR *handle = OpenDir (p_this, p_access->psz_path);
151 p_access->p_sys = (access_sys_t *)handle;
153 p_access->pf_read = Read;
154 p_access->pf_block = NULL;
155 p_access->pf_seek = NULL;
156 p_access->pf_control= Control;
159 p_access->psz_demux = strdup( "directory" );
164 /*****************************************************************************
165 * Close: close the target
166 *****************************************************************************/
167 static void Close( vlc_object_t * p_this )
169 access_t *p_access = (access_t*)p_this;
170 DIR *handle = (DIR *)p_access->p_sys;
174 /*****************************************************************************
175 * ReadNull: read the directory
176 *****************************************************************************/
177 static int ReadNull( access_t *p_access, uint8_t *p_buffer, int i_len)
179 /* Return fake data */
180 memset( p_buffer, 0, i_len );
184 /*****************************************************************************
185 * Read: read the directory
186 *****************************************************************************/
187 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len)
190 int i_mode, i_activity;
191 char *psz_name = strdup (p_access->psz_path);
193 if( psz_name == NULL )
196 playlist_t *p_playlist = pl_Yield( p_access );
197 input_thread_t *p_input = (input_thread_t*)vlc_object_find( p_access, VLC_OBJECT_INPUT, FIND_PARENT );
199 playlist_item_t *p_item_in_category;
200 input_item_t *p_current_input;
201 playlist_item_t *p_current;
205 msg_Err( p_access, "unable to find input (internal error)" );
206 vlc_object_release( p_playlist );
210 p_current_input = input_GetItem( p_input );
211 p_current = playlist_ItemGetByInput( p_playlist, p_current_input, VLC_FALSE );
215 msg_Err( p_access, "unable to find item in playlist" );
216 vlc_object_release( p_input );
217 vlc_object_release( p_playlist );
221 /* Remove the ending '/' char */
224 char *ptr = psz_name + strlen (psz_name);
234 psz = var_CreateGetString( p_access, "recursive" );
235 if( *psz == '\0' || !strncmp( psz, "none" , 4 ) )
237 else if( !strncmp( psz, "collapse", 8 ) )
238 i_mode = MODE_COLLAPSE;
240 i_mode = MODE_EXPAND;
243 p_current->p_input->i_type = ITEM_TYPE_DIRECTORY;
244 p_item_in_category = playlist_ItemToNode( p_playlist, p_current,
247 i_activity = var_GetInteger( p_playlist, "activity" );
248 var_SetInteger( p_playlist, "activity", i_activity +
249 DIRECTORY_ACTIVITY );
251 ReadDir( p_playlist, psz_name, i_mode, p_current, p_item_in_category,
252 p_current_input, (DIR *)p_access->p_sys, NULL );
254 i_activity = var_GetInteger( p_playlist, "activity" );
255 var_SetInteger( p_playlist, "activity", i_activity -
256 DIRECTORY_ACTIVITY );
258 playlist_Signal( p_playlist );
260 if( psz_name ) free( psz_name );
261 vlc_object_release( p_input );
262 vlc_object_release( p_playlist );
264 /* Return fake data forever */
265 p_access->pf_read = ReadNull;
266 return ReadNull( p_access, p_buffer, i_len );
269 /*****************************************************************************
271 *****************************************************************************/
272 static int Control( access_t *p_access, int i_query, va_list args )
281 case ACCESS_CAN_SEEK:
282 case ACCESS_CAN_FASTSEEK:
283 case ACCESS_CAN_PAUSE:
284 case ACCESS_CAN_CONTROL_PACE:
285 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
286 *pb_bool = VLC_FALSE; /* FIXME */
291 pi_int = (int*)va_arg( args, int * );
295 case ACCESS_GET_PTS_DELAY:
296 pi_64 = (int64_t*)va_arg( args, int64_t * );
297 *pi_64 = DEFAULT_PTS_DELAY * 1000;
301 case ACCESS_SET_PAUSE_STATE:
302 case ACCESS_GET_TITLE_INFO:
303 case ACCESS_SET_TITLE:
304 case ACCESS_SET_SEEKPOINT:
305 case ACCESS_SET_PRIVATE_ID_STATE:
309 msg_Warn( p_access, "unimplemented query in control" );
315 /*****************************************************************************
317 *****************************************************************************/
318 static int DemuxOpen ( vlc_object_t *p_this )
320 demux_t *p_demux = (demux_t*)p_this;
322 if( strcmp( p_demux->psz_demux, "directory" ) )
325 p_demux->pf_demux = Demux;
326 p_demux->pf_control = DemuxControl;
330 /*****************************************************************************
332 *****************************************************************************/
333 static int Demux( demux_t *p_demux )
338 /*****************************************************************************
340 *****************************************************************************/
341 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
343 return demux2_vaControlHelper( p_demux->s, 0, 0, 0, 1, i_query, args );
347 static int Sort (const char **a, const char **b)
349 return strcoll (*a, *b);
359 /*****************************************************************************
360 * ReadDir: read a directory and add its content to the list
361 *****************************************************************************/
362 static int ReadDir( playlist_t *p_playlist, const char *psz_name,
363 int i_mode, playlist_item_t *p_parent,
364 playlist_item_t *p_parent_category,
365 input_item_t *p_current_input,
366 DIR *handle, stat_list_t *stparent )
368 char **pp_dir_content = NULL;
369 int i_dir_content, i, i_return = VLC_SUCCESS;
370 playlist_item_t *p_node;
372 char **ppsz_extensions = NULL;
373 int i_extensions = 0;
376 struct stat_list_t stself;
378 int fd = dirfd (handle);
380 if ((fd == -1) || fstat (fd, &stself.st))
382 msg_Err (p_playlist, "cannot stat `%s': %s", psz_name,
387 for (stat_list_t *stats = stparent; stats != NULL; stats = stats->parent)
389 if ((stself.st.st_ino == stats->st.st_ino)
390 && (stself.st.st_dev == stats->st.st_dev))
392 msg_Warn (p_playlist,
393 "ignoring infinitely recursive directory `%s'",
399 /* Windows has st_dev (driver letter - 'A'), but it zeroes st_ino,
400 * so that the test above will always incorrectly succeed.
401 * Besides, Windows does not have dirfd(). */
404 stself.parent = stparent;
406 /* Get the first directory entry */
407 i_dir_content = utf8_loaddir (handle, &pp_dir_content, NULL, Sort);
408 if( i_dir_content == -1 )
410 msg_Err (p_playlist, "cannot read `%s': %s", psz_name,
414 else if( i_dir_content <= 0 )
416 /* directory is empty */
417 msg_Dbg( p_playlist, "%s directory is empty", psz_name );
418 free( pp_dir_content );
422 /* Build array with ignores */
423 psz_ignore = var_CreateGetString( p_playlist, "ignore-filetypes" );
424 if( psz_ignore && *psz_ignore )
426 char *psz_parser = psz_ignore;
429 for( a = 0; psz_parser[a] != '\0'; a++ )
431 if( psz_parser[a] == ',' ) i_extensions++;
434 ppsz_extensions = (char **)calloc (i_extensions, sizeof (char *));
436 for( a = 0; a < i_extensions; a++ )
440 while( psz_parser[0] != '\0' && psz_parser[0] == ' ' ) psz_parser++;
441 ptr = strchr( psz_parser, ',');
442 tmp = ( ptr == NULL )
443 ? strdup( psz_parser )
444 : strndup( psz_parser, ptr - psz_parser );
446 ppsz_extensions[a] = tmp;
447 psz_parser = ptr + 1;
450 if( psz_ignore ) free( psz_ignore );
452 /* While we still have entries in the directory */
453 for( i = 0; i < i_dir_content; i++ )
455 const char *entry = pp_dir_content[i];
456 int i_size_entry = strlen( psz_name ) +
457 strlen( entry ) + 2 + 7 /* strlen("file://") */;
458 char psz_uri[i_size_entry];
460 sprintf( psz_uri, "%s/%s", psz_name, entry);
462 /* if it starts with '.' then forget it */
465 DIR *subdir = (i_mode != MODE_COLLAPSE)
466 ? OpenDir (VLC_OBJECT (p_playlist), psz_uri) : NULL;
468 if (subdir != NULL) /* Recurse into subdirectory */
470 if( i_mode == MODE_NONE )
472 msg_Dbg( p_playlist, "skipping subdirectory `%s'",
478 msg_Dbg (p_playlist, "creating subdirectory %s", psz_uri);
480 p_node = playlist_NodeCreate( p_playlist, entry,
482 PLAYLIST_NO_REBUILD );
484 /* If we had the parent in category, the it is now node.
485 * Else, we still don't have */
486 i_return = ReadDir( p_playlist, psz_uri , MODE_EXPAND,
487 p_node, p_parent_category ? p_node : NULL,
488 p_current_input, subdir, &stself );
495 input_item_t *p_input;
497 if( i_extensions > 0 )
499 const char *psz_dot = strrchr (entry, '.' );
500 if( psz_dot++ && *psz_dot )
503 for( a = 0; a < i_extensions; a++ )
505 if( !strcmp( psz_dot, ppsz_extensions[a] ) )
508 if( a < i_extensions )
510 msg_Dbg( p_playlist, "ignoring file %s", psz_uri );
516 memmove (psz_uri + 7, psz_uri, sizeof (psz_uri) - 7);
517 memcpy (psz_uri, "file://", 7);
518 p_input = input_ItemNewWithType( VLC_OBJECT(p_playlist),
519 psz_uri, entry, 0, NULL,
520 -1, ITEM_TYPE_VFILE );
523 if( p_current_input )
524 input_ItemCopyOptions( p_current_input, p_input );
525 playlist_BothAddInput( p_playlist, p_input,
527 PLAYLIST_APPEND|PLAYLIST_PREPARSE|
529 PLAYLIST_END, NULL, NULL,
536 for( i = 0; i < i_extensions; i++ )
537 if( ppsz_extensions[i] ) free( ppsz_extensions[i] );
538 if( ppsz_extensions ) free( ppsz_extensions );
540 for( i = 0; i < i_dir_content; i++ )
541 if( pp_dir_content[i] ) free( pp_dir_content[i] );
542 if( pp_dir_content ) free( pp_dir_content );
548 static DIR *OpenDir (vlc_object_t *obj, const char *path)
550 msg_Dbg (obj, "opening directory `%s'", path);
551 DIR *handle = utf8_opendir (path);
556 msg_Err (obj, "%s: %s", path, strerror (err));
558 msg_Dbg (obj, "skipping non-directory `%s'", path);