example/artisttree/aatree.c

   1 /* libmpd (high level libmpdclient library)
   2  * Copyright (C) 2004-2009 Qball Cow <qball@sarine.nl>
   3  * Project homepage: http://gmpcwiki.sarine.nl/
   4
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <libmpd/libmpd.h>
  23
  24 int main(int argc, char **argv)
  25 {
  26         /* the main structure */
  27         MpdObj *mo;
  28         /*
  29          * A list that can hold the data that mpd returns
  30          */
  31         MpdData *data = NULL;
  32
  33
  34         /* create a connection
  35          * This defaults to:
  36          * host=localhost
  37          * port=6600
  38          */
  39         mo = mpd_new_default();
  40
  41         /* Make a connection and check for errors */
  42         if(mpd_connect(mo))
  43         {
  44                 /*
  45                  * to print an error message, you need to connect the
  46                  * error signal and catch that
  47                  */
  48                 /* clean up the connection and free the space needed by mpdObj */
  49                 mpd_free(mo);
  50                 printf("Failed to connect\n");
  51                 return 1;
  52         }
  53
  54         /* Get all artists *
  55          * If the list is at the end, mpd_data_get_next will automatically free
  56          * the list.
  57          */
  58         for(data = mpd_database_get_artists(mo);data != NULL; data = mpd_data_get_next(data))
  59         {
  60                 /* check if the entry is of the correct type */
  61                 if(data->type == MPD_DATA_TYPE_TAG && data->tag_type == MPD_TAG_ITEM_ARTIST)
  62                 {
  63                         /* Another object to hold data */
  64                         MpdData *albums = NULL;
  65                         printf("%s\n", data->tag);
  66                         for(albums = mpd_database_get_albums(mo, data->tag);
  67                                         albums != NULL;
  68                                         albums = mpd_data_get_next(albums))
  69                         {
  70                                 if(albums->type == MPD_DATA_TYPE_TAG && albums->tag_type == MPD_TAG_ITEM_ALBUM)
  71                                 {
  72                                         printf("\t%s\n", albums->tag);
  73                                 }
  74
  75
  76                         }
  77
  78
  79                 }
  80
  81         }
  82         /* clean up the connection and free the space needed by mpdObj */
  83         mpd_free(mo);
  84 }