/***************************************************************************** * loadsave.c : Playlist loading / saving functions ***************************************************************************** * Copyright (C) 1999-2004 VLC authors and VideoLAN * $Id$ * * Authors: Samuel Hocevar * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #include #include #include "playlist_internal.h" #include "config/configuration.h" #include #include #include int playlist_Export( playlist_t * p_playlist, const char *psz_filename, bool b_playlist, const char *psz_type ) { playlist_export_t *p_export = vlc_custom_create( p_playlist, sizeof( *p_export ), "playlist export" ); if( unlikely(p_export == NULL) ) return VLC_ENOMEM; msg_Dbg( p_export, "saving %s to file %s", b_playlist ? "playlist" : "media library", psz_filename ); int ret = VLC_EGENERIC; /* Prepare the playlist_export_t structure */ p_export->base_url = vlc_path2uri( psz_filename, NULL ); p_export->p_file = vlc_fopen( psz_filename, "wt" ); if( p_export->p_file == NULL ) { msg_Err( p_export, "could not create playlist file %s: %s", psz_filename, vlc_strerror_c(errno) ); goto out; } module_t *p_module; /* And call the module ! All work is done now */ playlist_Lock( p_playlist ); p_export->p_root = b_playlist ? p_playlist->p_playing : p_playlist->p_media_library; p_module = module_need( p_export, "playlist export", psz_type, true ); playlist_Unlock( p_playlist ); if( p_module != NULL ) { module_unneed( p_export, p_module ); if( !ferror( p_export->p_file ) ) ret = VLC_SUCCESS; else msg_Err( p_playlist, "could not write playlist file: %s", vlc_strerror_c(errno) ); } else msg_Err( p_playlist, "could not export playlist" ); fclose( p_export->p_file ); out: free( p_export->base_url ); vlc_object_release( p_export ); return ret; } int playlist_Import( playlist_t *p_playlist, const char *psz_file ) { input_item_t *p_input; char *psz_uri = vlc_path2uri( psz_file, NULL ); if( psz_uri == NULL ) return VLC_EGENERIC; p_input = input_item_New( psz_uri, psz_file ); free( psz_uri ); playlist_AddInput( p_playlist, p_input, false, true ); vlc_object_t *dummy = vlc_object_create( p_playlist, sizeof (*dummy) ); var_Create( dummy, "meta-file", VLC_VAR_VOID ); int ret = input_Read( dummy, p_input ); vlc_object_release( dummy ); return ret; } /***************************************************************************** * A subitem has been added to the Media Library (Event Callback) *****************************************************************************/ static void input_item_subitem_tree_added( const vlc_event_t * p_event, void * user_data ) { playlist_t *p_playlist = user_data; input_item_node_t *p_root = p_event->u.input_item_subitem_tree_added.p_root; PL_LOCK; playlist_InsertInputItemTree ( p_playlist, p_playlist->p_media_library, p_root, 0, false ); PL_UNLOCK; } int playlist_MLLoad( playlist_t *p_playlist ) { char *psz_datadir = config_GetUserDir( VLC_DATA_DIR ); if( !psz_datadir ) /* XXX: This should never happen */ { msg_Err( p_playlist, "no data directory, cannot load media library") ; return VLC_EGENERIC; } char *psz_file; if( asprintf( &psz_file, "%s" DIR_SEP "ml.xspf", psz_datadir ) == -1 ) psz_file = NULL; free( psz_datadir ); if( psz_file == NULL ) return VLC_ENOMEM; /* lousy check for media library file */ struct stat st; if( vlc_stat( psz_file, &st ) ) { free( psz_file ); return VLC_EGENERIC; } char *psz_uri = vlc_path2uri( psz_file, "file/directory" ); free( psz_file ); if( psz_uri == NULL ) return VLC_ENOMEM; input_item_t *p_input = input_item_New( psz_uri, _("Media Library") ); free( psz_uri ); if( p_input == NULL ) return VLC_EGENERIC; vlc_event_attach( &p_input->event_manager, vlc_InputItemSubItemTreeAdded, input_item_subitem_tree_added, p_playlist ); vlc_object_t *dummy = vlc_object_create( p_playlist, sizeof (*dummy) ); var_Create( dummy, "meta-file", VLC_VAR_VOID ); input_Read( dummy, p_input ); vlc_object_release( dummy ); vlc_event_detach( &p_input->event_manager, vlc_InputItemSubItemTreeAdded, input_item_subitem_tree_added, p_playlist ); input_item_Release( p_input ); return VLC_SUCCESS; } int playlist_MLDump( playlist_t *p_playlist ) { char *psz_temp; psz_temp = config_GetUserDir( VLC_DATA_DIR ); if( !psz_temp ) /* XXX: This should never happen */ { msg_Err( p_playlist, "no data directory, cannot save media library") ; return VLC_EGENERIC; } char psz_dirname[ strlen( psz_temp ) + sizeof( DIR_SEP "ml.xspf")]; strcpy( psz_dirname, psz_temp ); free( psz_temp ); if( config_CreateDir( (vlc_object_t *)p_playlist, psz_dirname ) ) { return VLC_EGENERIC; } strcat( psz_dirname, DIR_SEP "ml.xspf" ); if ( asprintf( &psz_temp, "%s.tmp%"PRIu32, psz_dirname, (uint32_t)getpid() ) < 1 ) return VLC_EGENERIC; int i_ret = playlist_Export( p_playlist, psz_temp, false, "export-xspf" ); if ( i_ret != VLC_SUCCESS ) { vlc_unlink( psz_temp ); free( psz_temp ); return i_ret; } i_ret = vlc_rename( psz_temp, psz_dirname ); free( psz_temp ); if( i_ret == -1 ) { msg_Err( p_playlist, "could not rename %s.tmp: %s", psz_dirname, vlc_strerror_c(errno) ); return VLC_EGENERIC; } return VLC_SUCCESS; }