Clementine-audio-player-Mac.../src/playlistparsers/plsparser.cpp

84 lines
2.7 KiB
C++

/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine 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.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "plsparser.h"
#include "core/logging.h"
#include "core/timeconstants.h"
#include <QTextStream>
#include <QtDebug>
PLSParser::PLSParser(LibraryBackendInterface* library, QObject* parent)
: ParserBase(library, parent) {}
SongList PLSParser::Load(QIODevice* device, const QString& playlist_path,
const QDir& dir) const {
QMap<int, Song> songs;
QRegExp n_re("\\d+$");
while (!device->atEnd()) {
QString line = QString::fromUtf8(device->readLine()).trimmed();
int equals = line.indexOf('=');
QString key = line.left(equals).toLower();
QString value = line.mid(equals + 1);
n_re.indexIn(key);
int n = n_re.cap(0).toInt();
if (key.startsWith("file")) {
Song song = LoadSong(value, 0, dir);
// Use the title and length we've already loaded if any
if (!songs[n].title().isEmpty()) song.set_title(songs[n].title());
if (songs[n].length_nanosec() != -1)
song.set_length_nanosec(songs[n].length_nanosec());
songs[n] = song;
} else if (key.startsWith("title")) {
songs[n].set_title(value);
} else if (key.startsWith("length")) {
qint64 seconds = value.toLongLong();
if (seconds > 0) {
songs[n].set_length_nanosec(seconds * kNsecPerSec);
}
}
}
return songs.values();
}
void PLSParser::Save(const SongList& songs, QIODevice* device, const QDir& dir,
Playlist::Path path_type) const {
QTextStream s(device);
s << "[playlist]" << endl;
s << "Version=2" << endl;
s << "NumberOfEntries=" << songs.count() << endl;
int n = 1;
for (const Song& song : songs) {
s << "File" << n << "=" << URLOrFilename(song.url(), dir, path_type)
<< endl;
s << "Title" << n << "=" << song.title() << endl;
s << "Length" << n << "=" << song.length_nanosec() / kNsecPerSec << endl;
++n;
}
}
bool PLSParser::TryMagic(const QByteArray& data) const {
return data.toLower().contains("[playlist]");
}