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/*
* Copyright (C) 2003-2011 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "queue_save.h"
#include "queue.h"
#include "song.h"
#include "uri.h"
#include "database.h"
#include "song_save.h"
#include <stdlib.h>
static void
queue_save_database_song(FILE *fp, int idx, const struct song *song)
{
char *uri = song_get_uri(song);
fprintf(fp, "%i:%s\n", idx, uri);
g_free(uri);
}
static void
queue_save_full_song(FILE *fp, const struct song *song)
{
song_save(fp, song);
}
static void
queue_save_song(FILE *fp, int idx, const struct song *song)
{
if (song_in_database(song))
queue_save_database_song(fp, idx, song);
else
queue_save_full_song(fp, song);
}
void
queue_save(FILE *fp, const struct queue *queue)
{
for (unsigned i = 0; i < queue_length(queue); i++)
queue_save_song(fp, i, queue_get(queue, i));
}
static struct song *
get_song(const char *uri)
{
return uri_has_scheme(uri)
? song_remote_new(uri)
: db_get_song(uri);
}
void
queue_load_song(FILE *fp, GString *buffer, const char *line,
struct queue *queue)
{
struct song *song;
if (queue_is_full(queue))
return;
if (g_str_has_prefix(line, SONG_BEGIN)) {
const char *uri = line + sizeof(SONG_BEGIN) - 1;
if (!uri_has_scheme(uri) && !g_path_is_absolute(uri))
return;
GError *error = NULL;
song = song_load(fp, NULL, uri, buffer, &error);
if (song == NULL) {
g_warning("%s", error->message);
g_error_free(error);
return;
}
} else {
char *endptr;
long ret = strtol(line, &endptr, 10);
if (ret < 0 || *endptr != ':' || endptr[1] == 0) {
g_warning("Malformed playlist line in state file");
return;
}
line = endptr + 1;
song = get_song(line);
if (song == NULL)
return;
}
queue_append(queue, song);
if (song_in_database(song))
db_return_song(song);
}
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