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91 lines
2.0 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "PlaylistMapper.hxx"
#include "PlaylistFile.hxx"
#include "PlaylistRegistry.hxx"
#include "PlaylistStream.hxx"
#include "SongEnumerator.hxx"
#include "Mapper.hxx"
#include "input/InputStream.hxx"
#include "input/WaitReady.hxx"
#include "fs/AllocatedPath.hxx"
#include "storage/StorageInterface.hxx"
#include "util/UriUtil.hxx"
#include <cassert>
#include <exception> // for std::exception_ptr
/**
* Load a playlist from the configured playlist directory.
*/
static std::unique_ptr<SongEnumerator>
playlist_open_in_playlist_dir(const char *uri, Mutex &mutex)
{
assert(spl_valid_name(uri));
const auto path_fs = map_spl_utf8_to_fs(uri);
if (path_fs.IsNull())
return nullptr;
return playlist_open_path(path_fs, mutex);
}
#ifdef ENABLE_DATABASE
/**
* Load a playlist from the configured music directory.
*/
static std::unique_ptr<SongEnumerator>
playlist_open_in_storage(const char *uri, Storage *storage, Mutex &mutex)
{
assert(uri_safe_local(uri));
if (storage == nullptr)
return nullptr;
if (const auto path = storage->MapFS(uri); !path.IsNull())
return playlist_open_path(path, mutex);
auto is = storage->OpenFile(uri, mutex);
LockWaitReady(*is);
return playlist_list_open_stream(std::move(is), uri);
}
#endif
std::unique_ptr<SongEnumerator>
playlist_mapper_open(const char *uri,
#ifdef ENABLE_DATABASE
Storage *storage,
#endif
Mutex &mutex)
{
std::exception_ptr spl_error;
if (spl_valid_name(uri)) {
try {
auto playlist = playlist_open_in_playlist_dir(uri, mutex);
if (playlist != nullptr)
return playlist;
} catch (...) {
/* postpone this exception, try playlist in
music_directory first */
spl_error = std::current_exception();
}
}
#ifdef ENABLE_DATABASE
if (uri_safe_local(uri)) {
auto playlist = playlist_open_in_storage(uri, storage, mutex);
if (playlist != nullptr)
return playlist;
}
#endif
if (spl_error)
std::rethrow_exception(spl_error);
return nullptr;
}