strawberry-audio-player-win.../src/playlistparsers/parserbase.cpp

118 lines
3.7 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
* Copyright 2019-2021, Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Strawberry is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <QtGlobal>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QString>
#include <QRegularExpression>
#include <QUrl>
#include "core/logging.h"
#include "core/tagreaderclient.h"
#include "collection/collectionbackend.h"
#include "playlist/playlist.h"
#include "parserbase.h"
ParserBase::ParserBase(CollectionBackendInterface *collection, QObject *parent)
: QObject(parent), collection_(collection) {}
void ParserBase::LoadSong(const QString &filename_or_url, const qint64 beginning, const QDir &dir, Song *song, const bool collection_search) const {
if (filename_or_url.isEmpty()) {
return;
}
QString filename = filename_or_url;
if (filename_or_url.contains(QRegularExpression("^[a-z]{2,}:"))) {
QUrl url(filename_or_url);
song->set_source(Song::SourceFromURL(url));
if (song->source() == Song::Source_LocalFile) {
filename = url.toLocalFile();
}
else if (song->source() == Song::Source_Stream || song->source() == Song::Source_Tidal) {
song->set_url(QUrl::fromUserInput(filename_or_url));
song->set_filetype(Song::FileType_Stream);
song->set_valid(true);
return;
}
else {
qLog(Error) << "Don't know how to handle" << url;
}
}
// Strawberry always wants / separators internally.
// Using QDir::fromNativeSeparators() only works on the same platform the playlist was created on/for, using replace() lets playlists work on any platform.
filename = filename.replace('\\', '/');
// Make the path absolute
if (!QDir::isAbsolutePath(filename)) {
filename = dir.absoluteFilePath(filename);
}
// Use the canonical path
if (QFile::exists(filename)) {
filename = QFileInfo(filename).canonicalFilePath();
}
const QUrl url = QUrl::fromLocalFile(filename);
// Search in the collection
if (collection_ && collection_search) {
Song collection_song = collection_->GetSongByUrl(url, beginning);
// If it was found in the collection then use it, otherwise load metadata from disk.
if (collection_song.is_valid()) {
*song = collection_song;
return;
}
}
TagReaderClient::Instance()->ReadFileBlocking(filename, song);
}
Song ParserBase::LoadSong(const QString &filename_or_url, const qint64 beginning, const QDir &dir, const bool collection_search) const {
Song song(Song::Source_LocalFile);
LoadSong(filename_or_url, beginning, dir, &song, collection_search);
return song;
}
QString ParserBase::URLOrFilename(const QUrl &url, const QDir &dir, Playlist::Path path_type) {
if (!url.isLocalFile()) return url.toString();
const QString filename = url.toLocalFile();
if (path_type != Playlist::Path_Absolute && QDir::isAbsolutePath(filename)) {
const QString relative = dir.relativeFilePath(filename);
if (!relative.startsWith("../") || path_type == Playlist::Path_Relative)
return relative;
}
return filename;
}