128 lines
2.9 KiB
C++
128 lines
2.9 KiB
C++
/*
|
|
* Copyright 2003-2021 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.
|
|
*/
|
|
|
|
/*
|
|
* Maps directory and song objects to file system paths.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "Mapper.hxx"
|
|
#include "fs/AllocatedPath.hxx"
|
|
#include "fs/CheckFile.hxx"
|
|
#include "util/StringCompare.hxx"
|
|
|
|
#ifdef ENABLE_DATABASE
|
|
#include "storage/StorageInterface.hxx"
|
|
#include "Instance.hxx"
|
|
#include "Main.hxx"
|
|
#endif
|
|
|
|
#include <cassert>
|
|
|
|
/**
|
|
* The absolute path of the playlist directory encoded in the
|
|
* filesystem character set.
|
|
*/
|
|
static AllocatedPath playlist_dir_fs = nullptr;
|
|
|
|
static void
|
|
mapper_set_playlist_dir(AllocatedPath &&path)
|
|
{
|
|
assert(!path.IsNull());
|
|
|
|
playlist_dir_fs = std::move(path);
|
|
|
|
CheckDirectoryReadable(playlist_dir_fs);
|
|
}
|
|
|
|
void
|
|
mapper_init(AllocatedPath &&_playlist_dir)
|
|
{
|
|
if (!_playlist_dir.IsNull())
|
|
mapper_set_playlist_dir(std::move(_playlist_dir));
|
|
}
|
|
|
|
#ifdef ENABLE_DATABASE
|
|
|
|
AllocatedPath
|
|
map_uri_fs(const char *uri) noexcept
|
|
{
|
|
assert(uri != nullptr);
|
|
assert(*uri != '/');
|
|
|
|
if (global_instance->storage == nullptr)
|
|
return nullptr;
|
|
|
|
const auto music_dir_fs = global_instance->storage->MapFS("");
|
|
if (music_dir_fs.IsNull())
|
|
return nullptr;
|
|
|
|
const auto uri_fs = AllocatedPath::FromUTF8(uri);
|
|
if (uri_fs.IsNull())
|
|
return nullptr;
|
|
|
|
return music_dir_fs / uri_fs;
|
|
}
|
|
|
|
std::string
|
|
map_fs_to_utf8(Path path_fs) noexcept
|
|
{
|
|
if (path_fs.IsAbsolute()) {
|
|
if (global_instance->storage == nullptr)
|
|
return std::string();
|
|
|
|
const auto music_dir_fs = global_instance->storage->MapFS("");
|
|
if (music_dir_fs.IsNull())
|
|
return std::string();
|
|
|
|
auto relative = music_dir_fs.Relative(path_fs);
|
|
if (relative == nullptr || StringIsEmpty(relative))
|
|
return std::string();
|
|
|
|
path_fs = Path::FromFS(relative);
|
|
}
|
|
|
|
return path_fs.ToUTF8();
|
|
}
|
|
|
|
#endif
|
|
|
|
const AllocatedPath &
|
|
map_spl_path() noexcept
|
|
{
|
|
return playlist_dir_fs;
|
|
}
|
|
|
|
AllocatedPath
|
|
map_spl_utf8_to_fs(const char *name) noexcept
|
|
{
|
|
if (playlist_dir_fs.IsNull())
|
|
return nullptr;
|
|
|
|
std::string filename_utf8 = name;
|
|
filename_utf8.append(PLAYLIST_FILE_SUFFIX);
|
|
|
|
const auto filename_fs =
|
|
AllocatedPath::FromUTF8(filename_utf8);
|
|
if (filename_fs.IsNull())
|
|
return nullptr;
|
|
|
|
return playlist_dir_fs / filename_fs;
|
|
}
|