1 /*****************************************************************************
2 * mvar.c : Variables handling for the HTTP Interface
3 *****************************************************************************
4 * Copyright (C) 2001-2006 the VideoLAN team
7 * Authors: Gildas Bazin <gbazin@netcourrier.com>
8 * Laurent Aimar <fenrir@via.ecp.fr>
9 * Christophe Massiot <massiot@via.ecp.fr>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
28 /* Utility function for scandir */
29 static int Filter( const char *foo )
31 return strcmp( foo, "." );
34 static int InsensitiveAlphasort( const char **foo1,
37 return strcasecmp( *foo1, *foo2 );
42 mvar_t *E_(mvar_New)( const char *name, const char *value )
44 mvar_t *v = malloc( sizeof( mvar_t ) );
47 v->name = strdup( name );
48 v->value = strdup( value ? value : "" );
51 v->field = malloc( sizeof( mvar_t * ) );
57 void E_(mvar_Delete)( mvar_t *v )
64 for( i = 0; i < v->i_field; i++ )
66 E_(mvar_Delete)( v->field[i] );
72 void E_(mvar_AppendVar)( mvar_t *v, mvar_t *f )
74 v->field = realloc( v->field, sizeof( mvar_t * ) * ( v->i_field + 2 ) );
75 v->field[v->i_field] = f;
79 mvar_t *E_(mvar_Duplicate)( const mvar_t *v )
84 n = E_(mvar_New)( v->name, v->value );
85 for( i = 0; i < v->i_field; i++ )
87 E_(mvar_AppendVar)( n, E_(mvar_Duplicate)( v->field[i] ) );
93 void E_(mvar_PushVar)( mvar_t *v, mvar_t *f )
95 v->field = realloc( v->field, sizeof( mvar_t * ) * ( v->i_field + 2 ) );
98 memmove( &v->field[1], &v->field[0], sizeof( mvar_t * ) * v->i_field );
104 void E_(mvar_RemoveVar)( mvar_t *v, mvar_t *f )
107 for( i = 0; i < v->i_field; i++ )
109 if( v->field[i] == f )
114 if( i >= v->i_field )
119 if( i + 1 < v->i_field )
121 memmove( &v->field[i], &v->field[i+1], sizeof( mvar_t * ) * ( v->i_field - i - 1 ) );
124 /* FIXME should do a realloc */
127 mvar_t *E_(mvar_GetVar)( mvar_t *s, const char *name )
129 /* format: name[index].field */
130 char *field = strchr( name, '.' );
131 int i = 1 + (field != NULL) ? (field - name) : strlen( name );
136 strlcpy( base, name, i );
140 if( ( p = strchr( base, '[' ) ) != NULL )
143 sscanf( p, "%d]", &i_index );
154 for( i = 0; i < s->i_field; i++ )
156 if( !strcmp( s->field[i]->name, base ) )
166 return E_(mvar_GetVar)( s->field[i], field );
178 char *E_(mvar_GetValue)( mvar_t *v, char *field )
186 mvar_t *f = E_(mvar_GetVar)( v, field );
198 void E_(mvar_PushNewVar)( mvar_t *vars, const char *name,
201 mvar_t *f = E_(mvar_New)( name, value );
202 E_(mvar_PushVar)( vars, f );
205 void E_(mvar_AppendNewVar)( mvar_t *vars, const char *name,
208 mvar_t *f = E_(mvar_New)( name, value );
209 E_(mvar_AppendVar)( vars, f );
213 /* arg= start[:stop[:step]],.. */
214 mvar_t *E_(mvar_IntegerSetNew)( const char *name, const char *arg )
216 char *dup = strdup( arg );
218 mvar_t *s = E_(mvar_New)( name, "set" );
223 int i_start,i_stop,i_step;
226 p = strchr( str, ',' );
233 i_match = sscanf( str, "%d:%d:%d", &i_start, &i_stop, &i_step );
240 else if( i_match == 2 )
242 i_step = i_start < i_stop ? 1 : -1;
249 if( ( i_start <= i_stop && i_step > 0 ) ||
250 ( i_start >= i_stop && i_step < 0 ) )
252 for( i = i_start; ; i += i_step )
256 if( ( i_step > 0 && i > i_stop ) ||
257 ( i_step < 0 && i < i_stop ) )
262 sprintf( value, "%d", i );
264 E_(mvar_PushNewVar)( s, name, value );
275 /********************************************************************
276 * Special sets handling
277 ********************************************************************/
279 mvar_t *E_(mvar_PlaylistSetNew)( intf_thread_t *p_intf, char *name,
282 playlist_view_t *p_view;
283 mvar_t *s = E_(mvar_New)( name, "set" );
286 vlc_mutex_lock( &p_pl->object_lock );
288 p_view = playlist_ViewFind( p_pl, VIEW_CATEGORY ); /* FIXME */
291 E_(PlaylistListNode)( p_intf, p_pl, p_view->p_root, name, s, 0 );
293 vlc_mutex_unlock( &p_pl->object_lock );
298 mvar_t *E_(mvar_InfoSetNew)( intf_thread_t *p_intf, char *name,
299 input_thread_t *p_input )
301 mvar_t *s = E_(mvar_New)( name, "set" );
304 if( p_input == NULL )
309 vlc_mutex_lock( &p_input->input.p_item->lock );
310 for ( i = 0; i < p_input->input.p_item->i_categories; i++ )
312 info_category_t *p_category = p_input->input.p_item->pp_categories[i];
315 mvar_t *cat = E_(mvar_New)( name, "set" );
316 mvar_t *iset = E_(mvar_New)( "info", "set" );
318 psz = E_(FromUTF8)( p_intf, p_category->psz_name );
319 E_(mvar_AppendNewVar)( cat, "name", psz );
321 E_(mvar_AppendVar)( cat, iset );
323 for ( j = 0; j < p_category->i_infos; j++ )
325 info_t *p_info = p_category->pp_infos[j];
326 mvar_t *info = E_(mvar_New)( "info", "" );
327 char *psz_name = E_(FromUTF8)( p_intf, p_info->psz_name );
328 char *psz_value = E_(FromUTF8)( p_intf, p_info->psz_value );
330 /* msg_Dbg( p_input, "adding info name=%s value=%s",
331 psz_name, psz_value ); */
332 E_(mvar_AppendNewVar)( info, "name", psz_name );
333 E_(mvar_AppendNewVar)( info, "value", psz_value );
336 E_(mvar_AppendVar)( iset, info );
338 E_(mvar_AppendVar)( s, cat );
340 vlc_mutex_unlock( &p_input->input.p_item->lock );
345 mvar_t *E_(mvar_ObjectSetNew)( intf_thread_t *p_intf, char *psz_name,
346 char *psz_capability )
348 mvar_t *s = E_(mvar_New)( psz_name, "set" );
351 vlc_list_t *p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE,
354 for( i = 0; i < p_list->i_count; i++ )
356 module_t *p_parser = (module_t *)p_list->p_values[i].p_object;
357 if( !strcmp( p_parser->psz_capability, psz_capability ) )
359 mvar_t *sd = E_(mvar_New)( "sd", p_parser->psz_object_name );
360 E_(mvar_AppendNewVar)( sd, "name",
361 p_parser->psz_longname ? p_parser->psz_longname
362 : ( p_parser->psz_shortname ? p_parser->psz_shortname
363 : p_parser->psz_object_name ) );
364 E_(mvar_AppendVar)( s, sd );
368 vlc_list_release( p_list );
373 mvar_t *E_(mvar_InputVarSetNew)( intf_thread_t *p_intf, char *name,
374 input_thread_t *p_input,
375 const char *psz_variable )
377 intf_sys_t *p_sys = p_intf->p_sys;
378 mvar_t *s = E_(mvar_New)( name, "set" );
379 vlc_value_t val, val_list, text_list;
382 if( p_input == NULL )
387 /* Check the type of the object variable */
388 i_type = var_Type( p_sys->p_input, psz_variable );
390 /* Make sure we want to display the variable */
391 if( i_type & VLC_VAR_HASCHOICE )
393 var_Change( p_sys->p_input, psz_variable, VLC_VAR_CHOICESCOUNT, &val, NULL );
394 if( val.i_int == 0 ) return s;
395 if( (i_type & VLC_VAR_TYPE) != VLC_VAR_VARIABLE && val.i_int == 1 )
403 switch( i_type & VLC_VAR_TYPE )
407 case VLC_VAR_VARIABLE:
409 case VLC_VAR_INTEGER:
412 /* Variable doesn't exist or isn't handled */
416 if( var_Get( p_sys->p_input, psz_variable, &val ) < 0 )
421 if( var_Change( p_sys->p_input, psz_variable, VLC_VAR_GETLIST,
422 &val_list, &text_list ) < 0 )
424 if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
428 for( i = 0; i < val_list.p_list->i_count; i++ )
430 char *psz, psz_int[16];
433 switch( i_type & VLC_VAR_TYPE )
436 itm = E_(mvar_New)( name, "set" );
437 psz = E_(FromUTF8)( p_intf, text_list.p_list->p_values[i].psz_string );
438 E_(mvar_AppendNewVar)( itm, "name", psz );
439 psz = E_(FromUTF8)( p_intf, val_list.p_list->p_values[i].psz_string );
440 E_(mvar_AppendNewVar)( itm, "id", psz );
442 snprintf( psz_int, sizeof(psz_int), "%d",
443 ( !strcmp( val.psz_string,
444 val_list.p_list->p_values[i].psz_string )
445 && !( i_type & VLC_VAR_ISCOMMAND ) ) );
446 E_(mvar_AppendNewVar)( itm, "selected", psz_int );
447 E_(mvar_AppendVar)( s, itm );
450 case VLC_VAR_INTEGER:
451 itm = E_(mvar_New)( name, "set" );
452 psz = E_(FromUTF8)( p_intf, text_list.p_list->p_values[i].psz_string );
453 E_(mvar_AppendNewVar)( itm, "name", psz );
454 snprintf( psz_int, sizeof(psz_int), "%d",
455 val_list.p_list->p_values[i].i_int );
456 E_(mvar_AppendNewVar)( itm, "id", psz_int );
457 snprintf( psz_int, sizeof(psz_int), "%d",
458 ( val.i_int == val_list.p_list->p_values[i].i_int )
459 && !( i_type & VLC_VAR_ISCOMMAND ) );
460 E_(mvar_AppendNewVar)( itm, "selected", psz_int );
461 E_(mvar_AppendVar)( s, itm );
468 /* clean up everything */
469 if( (i_type & VLC_VAR_TYPE) == VLC_VAR_STRING ) free( val.psz_string );
470 var_Change( p_sys->p_input, psz_variable, VLC_VAR_FREELIST, &val_list,
476 mvar_t *E_(mvar_HttpdInfoSetNew)( char *name, httpd_t *p_httpd, int i_type )
478 mvar_t *s = E_(mvar_New)( name, "set" );
482 if( !p_httpd->pf_control( p_httpd, i_type, &info, NULL ) )
484 for( i= 0; i < info.i_count; )
488 inf = E_(mvar_New)( name, "set" );
491 /* fprintf( stderr," mvar_HttpdInfoSetNew: append name=`%s' value=`%s'\n",
492 info.info[i].psz_name, info.info[i].psz_value ); */
493 E_(mvar_AppendNewVar)( inf,
494 info.info[i].psz_name,
495 info.info[i].psz_value );
497 } while( i < info.i_count && strcmp( info.info[i].psz_name, "id" ) );
498 E_(mvar_AppendVar)( s, inf );
503 for( i = 0; i < info.i_count; i++ )
505 free( info.info[i].psz_name );
506 free( info.info[i].psz_value );
508 if( info.i_count > 0 )
517 mvar_t *E_(mvar_FileSetNew)( intf_thread_t *p_intf, char *name,
520 mvar_t *s = E_(mvar_New)( name, "set" );
521 #ifdef HAVE_SYS_STAT_H
522 struct stat stat_info;
524 char **ppsz_dir_content;
525 int i_dir_content, i;
526 /* convert all / to native separator */
528 const char sep = '\\';
530 const char sep = '/';
533 psz_dir = E_(RealPath)( p_intf, psz_dir );
535 #ifdef HAVE_SYS_STAT_H
536 if( (utf8_stat( psz_dir, &stat_info ) == -1 )
537 || !S_ISDIR( stat_info.st_mode )
538 # if defined( WIN32 )
539 && psz_dir[0] != '\0' && (psz_dir[0] != '\\' || psz_dir[1] != '\0')
548 /* parse psz_src dir */
549 if( ( i_dir_content = utf8_scandir( psz_dir, &ppsz_dir_content, Filter,
550 InsensitiveAlphasort ) ) == -1 )
552 msg_Warn( p_intf, "error while scanning dir %s (%s)", psz_dir,
558 for( i = 0; i < i_dir_content; i++ )
560 char *psz_dir_content = ppsz_dir_content[i];
561 char psz_tmp[strlen( psz_dir ) + 1 + strlen( psz_dir_content ) + 1];
563 char *psz_name, *psz_ext, *psz_dummy;
566 if( psz_dir[0] == '\0' || (psz_dir[0] == '\\' && psz_dir[1] == '\0') )
568 strcpy( psz_tmp, psz_dir_content );
573 sprintf( psz_tmp, "%s%c%s", psz_dir, sep, psz_dir_content );
575 #ifdef HAVE_SYS_STAT_H
576 if( utf8_stat( psz_tmp, &stat_info ) == -1 )
578 free( psz_dir_content );
583 f = E_(mvar_New)( name, "set" );
585 /* FIXME: merge vlc_fix_readdir_charset with utf8_readir */
586 psz_dummy = vlc_fix_readdir_charset( p_intf, psz_dir_content );
587 psz_name = E_(FromUTF8)( p_intf, psz_dummy );
590 /* put lower-case file extension in 'ext' */
591 psz_ext = strrchr( psz_name, '.' );
592 psz_ext = strdup( psz_ext != NULL ? psz_ext + 1 : "" );
593 for( psz_dummy = psz_ext; *psz_dummy != '\0'; psz_dummy++ )
594 *psz_dummy = tolower( *psz_dummy );
596 E_(mvar_AppendNewVar)( f, "ext", psz_ext );
600 if( psz_dir[0] == '\0' || (psz_dir[0] == '\\' && psz_dir[1] == '\0') )
603 sprintf( psz_tmp, "%c:", psz_name[0] );
604 E_(mvar_AppendNewVar)( f, "name", psz_name );
605 E_(mvar_AppendNewVar)( f, "basename", psz_tmp );
606 E_(mvar_AppendNewVar)( f, "type", "directory" );
607 E_(mvar_AppendNewVar)( f, "size", "unknown" );
608 E_(mvar_AppendNewVar)( f, "date", "unknown" );
614 char psz_tmp[strlen( psz_dir ) + 1 + strlen( psz_name ) + 1];
616 sprintf( psz_tmp, "%s%c%s", psz_dir, sep, psz_name );
617 E_(mvar_AppendNewVar)( f, "name", psz_tmp );
618 E_(mvar_AppendNewVar)( f, "basename", psz_name );
620 #ifdef HAVE_SYS_STAT_H
621 if( S_ISDIR( stat_info.st_mode ) )
623 E_(mvar_AppendNewVar)( f, "type", "directory" );
625 else if( S_ISREG( stat_info.st_mode ) )
627 E_(mvar_AppendNewVar)( f, "type", "file" );
631 E_(mvar_AppendNewVar)( f, "type", "unknown" );
634 sprintf( psz_ctime, I64Fd, (int64_t)stat_info.st_size );
635 E_(mvar_AppendNewVar)( f, "size", psz_ctime );
637 /* FIXME memory leak FIXME */
639 ctime_r( &stat_info.st_mtime, psz_ctime );
640 E_(mvar_AppendNewVar)( f, "date", psz_ctime );
642 E_(mvar_AppendNewVar)( f, "date", ctime( &stat_info.st_mtime ) );
646 E_(mvar_AppendNewVar)( f, "type", "unknown" );
647 E_(mvar_AppendNewVar)( f, "size", "unknown" );
648 E_(mvar_AppendNewVar)( f, "date", "unknown" );
652 E_(mvar_AppendVar)( s, f );
655 free( psz_dir_content );
659 if( ppsz_dir_content != NULL )
660 free( ppsz_dir_content );
664 void E_(mvar_VlmSetNewLoop)( char *name, vlm_t *vlm, mvar_t *s, vlm_message_t *el, vlc_bool_t b_name );
665 void E_(mvar_VlmSetNewLoop)( char *name, vlm_t *vlm, mvar_t *s, vlm_message_t *el, vlc_bool_t b_name )
671 /* Add a node with name and info */
672 set = E_(mvar_New)( name, "set" );
673 if( b_name == VLC_TRUE )
675 E_(mvar_AppendNewVar)( set, "name", el->psz_name );
678 for( k = 0; k < el->i_child; k++ )
680 vlm_message_t *ch = el->child[k];
681 if( ch->i_child > 0 )
683 E_(mvar_VlmSetNewLoop)( ch->psz_name, vlm, set, ch, VLC_FALSE );
689 E_(mvar_AppendNewVar)( set, ch->psz_name, ch->psz_value );
693 E_(mvar_AppendNewVar)( set, el->psz_name, ch->psz_name );
698 E_(mvar_AppendVar)( s, set );
701 mvar_t *E_(mvar_VlmSetNew)( char *name, vlm_t *vlm )
703 mvar_t *s = E_(mvar_New)( name, "set" );
707 if( vlm == NULL ) return s;
709 if( vlm_ExecuteCommand( vlm, "show", &msg ) )
714 for( i = 0; i < msg->i_child; i++ )
716 /* Over media, schedule */
717 vlm_message_t *ch = msg->child[i];
720 for( j = 0; j < ch->i_child; j++ )
723 vlm_message_t *el = ch->child[j];
724 vlm_message_t *inf, *desc;
725 char psz[6 + strlen(el->psz_name)];
727 sprintf( psz, "show %s", el->psz_name );
728 if( vlm_ExecuteCommand( vlm, psz, &inf ) )
730 desc = inf->child[0];
732 E_(mvar_VlmSetNewLoop)( el->psz_name, vlm, s, desc, VLC_TRUE );
734 vlm_MessageDelete( inf );
737 vlm_MessageDelete( msg );