mpd/src/queue_save.c

79 lines
1.8 KiB
C

/*
* Copyright (C) 2003-2009 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "queue_save.h"
#include "queue.h"
#include "song.h"
#include "ls.h"
#include "database.h"
#include <stdlib.h>
void
queue_save(FILE *fp, const struct queue *queue)
{
for (unsigned i = 0; i < queue_length(queue); i++) {
const struct song *song = queue_get(queue, i);
char *uri = song_get_uri(song);
fprintf(fp, "%i:%s\n", i, uri);
g_free(uri);
}
}
static struct song *
get_song(const char *uri)
{
struct song *song;
song = db_get_song(uri);
if (song != NULL)
return song;
if (uri_has_scheme(uri))
return song_remote_new(uri);
return NULL;
}
int
queue_load_song(struct queue *queue, const char *line)
{
long ret;
char *endptr;
struct song *song;
if (queue_is_full(queue))
return -1;
ret = strtol(line, &endptr, 10);
if (ret < 0 || *endptr != ':' || endptr[1] == 0) {
g_warning("Malformed playlist line in state file");
return -1;
}
line = endptr + 1;
song = get_song(line);
if (song == NULL)
return -1;
queue_append(queue, song);
return ret;
}