106 lines
2.5 KiB
C++
106 lines
2.5 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 "config.h"
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#include "PlaylistSave.hxx"
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#include "PlaylistFile.hxx"
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#include "PlaylistError.hxx"
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#include "queue/Playlist.hxx"
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#include "song/DetachedSong.hxx"
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#include "Mapper.hxx"
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#include "Idle.hxx"
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#include "fs/AllocatedPath.hxx"
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#include "fs/Traits.hxx"
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#include "fs/FileSystem.hxx"
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#include "io/FileOutputStream.hxx"
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#include "io/BufferedOutputStream.hxx"
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#include "util/UriExtract.hxx"
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#include <fmt/format.h>
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static void
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playlist_print_path(BufferedOutputStream &os, const Path path)
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{
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#ifdef _UNICODE
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/* on Windows, playlists always contain UTF-8, because its
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"narrow" charset (i.e. CP_ACP) is incapable of storing all
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Unicode paths */
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try {
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os.Fmt(FMT_STRING("{}\n"), path.ToUTF8Throw());
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} catch (...) {
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}
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#else
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os.Fmt(FMT_STRING("{}\n"), path.c_str());
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#endif
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}
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void
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playlist_print_song(BufferedOutputStream &os, const DetachedSong &song)
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{
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const char *uri_utf8 = playlist_saveAbsolutePaths
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? song.GetRealURI()
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: song.GetURI();
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try {
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const auto uri_fs = AllocatedPath::FromUTF8Throw(uri_utf8);
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playlist_print_path(os, uri_fs);
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} catch (...) {
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}
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}
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void
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playlist_print_uri(BufferedOutputStream &os, const char *uri)
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{
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try {
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auto path =
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#ifdef ENABLE_DATABASE
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playlist_saveAbsolutePaths && !uri_has_scheme(uri) &&
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!PathTraitsUTF8::IsAbsolute(uri)
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? map_uri_fs(uri)
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:
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#endif
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AllocatedPath::FromUTF8Throw(uri);
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if (!path.IsNull())
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playlist_print_path(os, path);
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} catch (...) {
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}
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}
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void
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spl_save_queue(const char *name_utf8, PlaylistSaveMode save_mode, const Queue &queue)
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{
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const auto path_fs = spl_map_to_fs(name_utf8);
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assert(!path_fs.IsNull());
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if (save_mode == PlaylistSaveMode::CREATE) {
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if (FileExists(path_fs)) {
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throw PlaylistError(PlaylistResult::LIST_EXISTS, "Playlist already exists");
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}
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}
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else if (!FileExists(path_fs)) {
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throw PlaylistError(PlaylistResult::NO_SUCH_LIST, "No such playlist");
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}
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FileOutputStream fos(path_fs,
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save_mode == PlaylistSaveMode::APPEND
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? FileOutputStream::Mode::APPEND_EXISTING
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: FileOutputStream::Mode::CREATE);
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BufferedOutputStream bos(fos);
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for (unsigned i = 0; i < queue.GetLength(); i++)
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playlist_print_song(bos, queue.Get(i));
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bos.Flush();
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fos.Commit();
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idle_add(IDLE_STORED_PLAYLIST);
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}
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void
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spl_save_playlist(const char *name_utf8, PlaylistSaveMode save_mode, const playlist &playlist)
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{
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spl_save_queue(name_utf8, save_mode, playlist.queue);
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}
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