mpd/src/PlaylistMapper.cxx

103 lines
2.7 KiB
C++

/*
* Copyright (C) 2003-2013 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 "PlaylistMapper.hxx"
#include "PlaylistFile.hxx"
#include "PlaylistRegistry.hxx"
#include "Mapper.hxx"
#include "fs/AllocatedPath.hxx"
#include "util/UriUtil.hxx"
#include <assert.h>
static SongEnumerator *
playlist_open_path(const char *path_fs, Mutex &mutex, Cond &cond,
InputStream **is_r)
{
auto playlist = playlist_list_open_uri(path_fs, mutex, cond);
if (playlist != nullptr)
*is_r = nullptr;
else
playlist = playlist_list_open_path(path_fs, mutex, cond, is_r);
return playlist;
}
/**
* Load a playlist from the configured playlist directory.
*/
static SongEnumerator *
playlist_open_in_playlist_dir(const char *uri, Mutex &mutex, Cond &cond,
InputStream **is_r)
{
assert(spl_valid_name(uri));
const auto &playlist_directory_fs = map_spl_path();
if (playlist_directory_fs.IsNull())
return nullptr;
const auto uri_fs = AllocatedPath::FromUTF8(uri);
if (uri_fs.IsNull())
return nullptr;
const auto path_fs =
AllocatedPath::Build(playlist_directory_fs, uri_fs);
assert(!path_fs.IsNull());
return playlist_open_path(path_fs.c_str(), mutex, cond, is_r);
}
/**
* Load a playlist from the configured music directory.
*/
static SongEnumerator *
playlist_open_in_music_dir(const char *uri, Mutex &mutex, Cond &cond,
InputStream **is_r)
{
assert(uri_safe_local(uri));
const auto path = map_uri_fs(uri);
if (path.IsNull())
return nullptr;
return playlist_open_path(path.c_str(), mutex, cond, is_r);
}
SongEnumerator *
playlist_mapper_open(const char *uri, Mutex &mutex, Cond &cond,
InputStream **is_r)
{
if (spl_valid_name(uri)) {
auto playlist = playlist_open_in_playlist_dir(uri, mutex, cond,
is_r);
if (playlist != nullptr)
return playlist;
}
if (uri_safe_local(uri)) {
auto playlist = playlist_open_in_music_dir(uri, mutex, cond,
is_r);
if (playlist != nullptr)
return playlist;
}
return nullptr;
}