moved playlist formats support to plugins

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@397 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 67 insertions, 0 deletions

diff --git a/src/qmmpui/playlistformat.h b/src/qmmpui/playlistformat.h
new file mode 100644
index 000000000..0a5bfdbcc
--- /dev/null
+++ b/src/qmmpui/playlistformat.h
@@ -0,0 +1,67 @@
+/***************************************************************************
+ *   Copyright (C) 2006-2008 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 SongInfo;
+/*!
+ * 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 SongInfo objects, should return string of
+     * encoded playlist file
+     */
+    virtual QString encode(const QList<SongInfo*>& 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");
+
+#endif