src/playlist_legacy/loadsave.c

   1 /*****************************************************************************
   2  * loadsave.c : Playlist loading / saving functions
   3  *****************************************************************************
   4  * Copyright (C) 1999-2004 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Samuel Hocevar <sam@zoy.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23 #ifdef HAVE_CONFIG_H
  24 # include "config.h"
  25 #endif
  26
  27 #include <errno.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <unistd.h>
  31
  32 #include <vlc_common.h>
  33 #include <vlc_playlist_legacy.h>
  34 #include <vlc_events.h>
  35 #include "playlist_internal.h"
  36 #include "config/configuration.h"
  37 #include <vlc_fs.h>
  38 #include <vlc_url.h>
  39 #include <vlc_modules.h>
  40
  41 int playlist_Export( playlist_t * p_playlist, const char *psz_filename,
  42                      const char *psz_type )
  43 {
  44     playlist_export_t *p_export =
  45         vlc_custom_create( p_playlist, sizeof( *p_export ), "playlist export" );
  46     if( unlikely(p_export == NULL) )
  47         return VLC_ENOMEM;
  48
  49     msg_Dbg( p_export, "saving playlist to file %s", psz_filename );
  50
  51     int ret = VLC_EGENERIC;
  52
  53     /* Prepare the playlist_export_t structure */
  54     p_export->base_url = vlc_path2uri( psz_filename, NULL );
  55     p_export->p_file = vlc_fopen( psz_filename, "wt" );
  56     if( p_export->p_file == NULL )
  57     {
  58         msg_Err( p_export, "could not create playlist file %s: %s",
  59                  psz_filename, vlc_strerror_c(errno) );
  60         goto out;
  61     }
  62
  63     module_t *p_module;
  64
  65     /* And call the module ! All work is done now */
  66     playlist_Lock( p_playlist );
  67     p_export->p_root = p_playlist->p_playing;
  68
  69     p_module = module_need( p_export, "playlist export", psz_type, true );
  70     playlist_Unlock( p_playlist );
  71
  72     if( p_module != NULL )
  73     {
  74         module_unneed( p_export, p_module );
  75         if( !ferror( p_export->p_file ) )
  76             ret = VLC_SUCCESS;
  77         else
  78             msg_Err( p_playlist, "could not write playlist file: %s",
  79                      vlc_strerror_c(errno) );
  80     }
  81     else
  82         msg_Err( p_playlist, "could not export playlist" );
  83    fclose( p_export->p_file );
  84 out:
  85    free( p_export->base_url );
  86    vlc_object_release( p_export );
  87    return ret;
  88 }
  89
  90 int playlist_Import( playlist_t *p_playlist, const char *psz_file )
  91 {
  92     input_item_t *p_input;
  93     char *psz_uri = vlc_path2uri( psz_file, NULL );
  94
  95     if( psz_uri == NULL )
  96         return VLC_EGENERIC;
  97
  98     p_input = input_item_New( psz_uri, psz_file );
  99     free( psz_uri );
 100
 101     playlist_AddInput( p_playlist, p_input, false );
 102
 103     vlc_object_t *dummy = vlc_object_create( p_playlist, sizeof (*dummy) );
 104     var_Create( dummy, "meta-file", VLC_VAR_VOID );
 105
 106     int ret = input_Read( dummy, p_input, NULL, NULL );
 107
 108     vlc_object_release( dummy );
 109     return ret;
 110 }