101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
/*
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* Copyright 2003-2021 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "PlaylistSong.hxx"
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#include "SongLoader.hxx"
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#include "tag/Tag.hxx"
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#include "tag/Builder.hxx"
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#include "fs/Traits.hxx"
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#include "song/DetachedSong.hxx"
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#include "util/UriExtract.hxx"
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#include <algorithm>
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#include <string>
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#include <string.h>
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static void
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merge_song_metadata(DetachedSong &add, const DetachedSong &base) noexcept
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{
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if (base.GetTag().IsDefined()) {
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TagBuilder builder(add.GetTag());
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builder.Complement(base.GetTag());
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add.SetTag(builder.Commit());
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}
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add.SetLastModified(base.GetLastModified());
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if (add.GetStartTime().IsZero()) {
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add.SetStartTime(base.GetStartTime());
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}
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if (add.GetEndTime().IsZero()) {
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add.SetEndTime(base.GetEndTime());
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}
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}
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static bool
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playlist_check_load_song(DetachedSong &song, const SongLoader &loader) noexcept
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try {
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DetachedSong tmp = loader.LoadSong(song.GetURI());
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song.SetURI(tmp.GetURI());
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if (!song.HasRealURI() && tmp.HasRealURI())
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song.SetRealURI(tmp.GetRealURI());
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merge_song_metadata(song, tmp);
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return true;
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} catch (...) {
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return false;
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}
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bool
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playlist_check_translate_song(DetachedSong &song, std::string_view base_uri,
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const SongLoader &loader) noexcept
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{
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if (base_uri.compare(".") == 0)
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/* PathTraitsUTF8::GetParent() returns "." when there
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is no directory name in the given path; clear that
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now, because it would break the database lookup
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functions */
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base_uri = {};
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const char *uri = song.GetURI();
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#ifdef _WIN32
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if (!PathTraitsUTF8::IsAbsolute(uri) && std::strchr(uri, '\\') != nullptr) {
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/* Windows uses the backslash as path separator, but
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the MPD protocol uses the (forward) slash by
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definition; to allow backslashes in relative URIs
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loaded from playlist files, this step converts all
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backslashes to (forward) slashes */
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std::string new_uri(uri);
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std::replace(new_uri.begin(), new_uri.end(), '\\', '/');
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song.SetURI(std::move(new_uri));
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uri = song.GetURI();
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}
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#endif
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if (base_uri.data() != nullptr && !uri_has_scheme(uri) &&
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!PathTraitsUTF8::IsAbsolute(uri))
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song.SetURI(PathTraitsUTF8::Build(base_uri, uri));
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return playlist_check_load_song(song, loader);
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}
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