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authorMax Kellermann <max@duempel.org>2009-01-23 16:35:04 +0100
committerMax Kellermann <max@duempel.org>2009-01-23 16:35:04 +0100
commit349d24986755a9802606c42956129fab3f13fd95 (patch)
tree382a5dfa4a4a61b5e02f12780d001abf72b9932a /src/queue_save.c
parent8afe24c1de70b69df58f1724ad5fd02c7af63ecb (diff)
downloadmpd-349d24986755a9802606c42956129fab3f13fd95.tar.gz
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playlist: moved saving/loading code to queue_save.c
Create a new library which saves/loads the queue to/from the state file.
Diffstat (limited to '')
-rw-r--r--src/queue_save.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/queue_save.c b/src/queue_save.c
new file mode 100644
index 000000000..73b59277d
--- /dev/null
+++ b/src/queue_save.c
@@ -0,0 +1,78 @@
+/*
+ * 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;
+}