1 files changed, 116 insertions, 0 deletions
diff --git a/src/ui/playlistformat.h b/src/ui/playlistformat.h
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+++ b/src/ui/playlistformat.h
@@ -0,0 +1,116 @@
+/***************************************************************************
+ *   Copyright (C) 2006 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   This program 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 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program 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 this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#ifndef _PALYLISTFORMAT_H
+#define _PALYLISTFORMAT_H
+#include <QStringList>
+
+
+class MediaFile;
+/*!
+ * Abstract interface for playlist formats.
+ *
+ * @author Vladimir Kuznetsov <vovanec@gmail.com>
+ */
+class PlaylistFormat
+{
+public:
+    virtual ~PlaylistFormat(){;}
+	 /*!
+	  * Takes raw contents of playlist file, should return string list of 
+	  * ready file pathes to fill the playlist.
+	  */
+    virtual QStringList decode(const QString& contents) = 0;
+	 
+	 /*!
+	  * Takes the list of MediaFile objects, should return string of
+	  * encoded playlist file
+	  */
+	 virtual QString encode(const QList<MediaFile*>& contents) = 0;
+	 
+	 /*!
+	  * Returns list of file extensions that current format supports
+	  */
+	 virtual QStringList getExtensions()const = 0;
+	 
+	 /*!
+	  * Verifies is the \b ext file extension supported by current playlist format.
+	  */
+	 virtual bool hasFormat(const QString& ext) = 0;
+	 
+	 /// Unique name of playlist format.
+	 virtual QString name()const = 0;
+};
+
+Q_DECLARE_INTERFACE(PlaylistFormat,"PlaylistFormatInterface/1.0");
+
+/*!
+ * Class for PLS playlist format parsing
+ */
+class PLSPlaylistFormat : public PlaylistFormat
+{
+public:
+	PLSPlaylistFormat();
+	virtual QStringList getExtensions()const;
+	virtual bool hasFormat(const QString&);
+	virtual QStringList decode(const QString& contents);
+	virtual QString encode(const QList<MediaFile*>& contents);
+	virtual QString name()const;
+protected:
+	QStringList m_supported_formats;
+	 
+};
+
+
+
+/*!
+ * Class for M3U playlist format parsing
+ */
+class M3UPlaylistFormat : public PlaylistFormat
+{
+	public:
+		M3UPlaylistFormat();
+		virtual QStringList getExtensions()const;
+		virtual bool hasFormat(const QString&);
+		virtual QStringList decode(const QString& contents);
+		virtual QString encode(const QList<MediaFile*>& contents);
+		virtual QString name()const;
+protected:
+		QStringList m_supported_formats;
+};
+
+
+/*!
+ * Class for XSPF playlist format parsing
+ */
+class XSPFPlaylistFormat : public PlaylistFormat
+{
+	public:
+		XSPFPlaylistFormat();
+		virtual QStringList getExtensions()const;
+		virtual bool hasFormat(const QString&);
+		virtual QStringList decode(const QString& contents);
+		virtual QString encode(const QList<MediaFile*>& contents);
+		virtual QString name()const;
+	protected:
+		QStringList m_supported_formats;
+};
+
+#endif