/* This file is part of Clementine. Copyright 2010, David Sansome 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 . */ #ifndef PARSERBASE_H #define PARSERBASE_H #include #include #include "core/song.h" class LibraryBackendInterface; class ParserBase : public QObject { Q_OBJECT public: ParserBase(LibraryBackendInterface* library, QObject *parent = 0); virtual QString name() const = 0; virtual QStringList file_extensions() const = 0; virtual QString mime_type() const { return QString(); } virtual bool TryMagic(const QByteArray& data) const = 0; virtual SongList Load(QIODevice* device, const QString& playlist_path = "", const QDir& dir = QDir()) const = 0; virtual void Save(const SongList& songs, QIODevice* device, const QDir& dir = QDir()) const = 0; protected: // Takes a URL, relative path or absolute path, and returns an absolute path. // Resolves relative paths to "dir". bool ParseTrackLocation(const QString& filename_or_url, const QDir& dir, Song* song) const; // Takes a URL, relative path or absolute path, and in the case of absolute // paths makes them relative to dir if they are subdirectories. QString MakeRelativeTo(const QString& filename_or_url, const QDir& dir) const; // Takes a URL or absolute path and returns a URL QString MakeUrl(const QString& filename_or_url) const; // Converts the URL or path to a canonical path and searches the library for // a section of a song with that path and the given beginning. If one is found, // returns it, otherwise returns an invalid song. Song LoadLibrarySong(const QString& filename_or_url, int beginning = 0) const; private: LibraryBackendInterface* library_; }; #endif // PARSERBASE_H