a5d7f5e1fa
This allows detangling dependencies and fixes a linker problem in test/test_translate_song.cxx.
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 "SongLoader.hxx"
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#include "LocateUri.hxx"
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#include "Partition.hxx"
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#include "client/IClient.hxx"
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#include "db/DatabaseSong.hxx"
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#include "storage/StorageInterface.hxx"
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#include "song/DetachedSong.hxx"
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#include "PlaylistError.hxx"
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#include "config.h"
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#include <cassert>
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#ifdef ENABLE_DATABASE
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SongLoader::SongLoader(const IClient &_client) noexcept
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:client(&_client),
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db(_client.GetDatabase()),
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storage(_client.GetStorage()) {}
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#endif
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DetachedSong
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SongLoader::LoadFromDatabase(const char *uri) const
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{
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#ifdef ENABLE_DATABASE
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if (db != nullptr)
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return DatabaseDetachSong(*db, storage, uri);
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#else
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(void)uri;
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#endif
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throw PlaylistError(PlaylistResult::NO_SUCH_SONG, "No database");
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}
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DetachedSong
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SongLoader::LoadFile(const char *path_utf8, Path path_fs) const
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{
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#ifdef ENABLE_DATABASE
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if (storage != nullptr) {
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const auto suffix = storage->MapToRelativeUTF8(path_utf8);
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if (suffix.data() != nullptr)
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/* this path was relative to the music
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directory - obtain it from the database */
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return LoadFromDatabase(std::string(suffix).c_str());
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}
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#endif
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DetachedSong song(path_utf8);
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if (!song.LoadFile(path_fs))
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throw PlaylistError::NoSuchSong();
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return song;
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}
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DetachedSong
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SongLoader::LoadSong(const LocatedUri &located_uri) const
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{
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switch (located_uri.type) {
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case LocatedUri::Type::ABSOLUTE:
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return DetachedSong(located_uri.canonical_uri);
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case LocatedUri::Type::RELATIVE:
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return LoadFromDatabase(located_uri.canonical_uri);
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case LocatedUri::Type::PATH:
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return LoadFile(located_uri.canonical_uri, located_uri.path);
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}
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gcc_unreachable();
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}
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DetachedSong
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SongLoader::LoadSong(const char *uri_utf8) const
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{
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#if !CLANG_CHECK_VERSION(3,6)
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/* disabled on clang due to -Wtautological-pointer-compare */
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assert(uri_utf8 != nullptr);
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#endif
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const auto located_uri = LocateUri(UriPluginKind::INPUT,
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uri_utf8, client
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#ifdef ENABLE_DATABASE
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, storage
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#endif
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);
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return LoadSong(located_uri);
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}
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