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