mpd/src/playlist_any.c
Max Kellermann 82ee278f53 playlist_any: new library to simplify opening playlist files
The new function playlist_open_any() combines playlist_mapper_open(),
playlist_list_open_uri() and playlist_list_open_stream(), providing an
easy API for all of them.
2010-06-25 22:43:52 +02:00

69 lines
1.8 KiB
C

/*
* Copyright (C) 2003-2010 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 "playlist_any.h"
#include "playlist_list.h"
#include "playlist_mapper.h"
#include "uri.h"
#include "input_stream.h"
#include <assert.h>
static struct playlist_provider *
playlist_open_remote(const char *uri, struct input_stream **is_r)
{
assert(uri_has_scheme(uri));
struct playlist_provider *playlist = playlist_list_open_uri(uri);
if (playlist != NULL) {
*is_r = NULL;
return playlist;
}
GError *error = NULL;
struct input_stream *is = input_stream_open(uri, &error);
if (is == NULL) {
if (error != NULL) {
g_warning("Failed to open %s: %s",
uri, error->message);
g_error_free(error);
}
return NULL;
}
playlist = playlist_list_open_stream(is, uri);
if (playlist == NULL) {
input_stream_close(is);
return NULL;
}
*is_r = is;
return playlist;
}
struct playlist_provider *
playlist_open_any(const char *uri, struct input_stream **is_r)
{
return uri_has_scheme(uri)
? playlist_open_remote(uri, is_r)
: playlist_mapper_open(uri, is_r);
}