66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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 3 of the License, or
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(at your option) any later version.
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Clementine 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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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PARSERBASE_H
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#define PARSERBASE_H
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#include <QObject>
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#include <QDir>
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#include "core/song.h"
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class LibraryBackendInterface;
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class ParserBase : public QObject {
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Q_OBJECT
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public:
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ParserBase(LibraryBackendInterface* library, QObject *parent = 0);
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virtual QString name() const = 0;
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virtual QStringList file_extensions() const = 0;
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virtual QString mime_type() const { return QString(); }
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virtual bool TryMagic(const QByteArray& data) const = 0;
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virtual SongList Load(QIODevice* device, const QString& playlist_path = "", const QDir& dir = QDir()) const = 0;
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virtual void Save(const SongList& songs, QIODevice* device, const QDir& dir = QDir()) const = 0;
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protected:
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// Takes a URL, relative path or absolute path, and returns an absolute path.
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// Resolves relative paths to "dir".
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bool ParseTrackLocation(const QString& filename_or_url, const QDir& dir,
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Song* song) const;
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// Takes a URL, relative path or absolute path, and in the case of absolute
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// paths makes them relative to dir if they are subdirectories.
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QString MakeRelativeTo(const QString& filename_or_url, const QDir& dir) const;
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// Takes a URL or absolute path and returns a URL
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QString MakeUrl(const QString& filename_or_url) const;
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// Converts the URL or path to a canonical path and searches the library for
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// a section of a song with that path and the given beginning. If one is found,
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// returns it, otherwise returns an invalid song.
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Song LoadLibrarySong(const QString& filename_or_url, int beginning = 0) const;
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private:
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LibraryBackendInterface* library_;
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};
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#endif // PARSERBASE_H
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