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/*
* Copyright (C) 2003-2015 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_SONG_ENUMERATOR_HXX
#define MPD_SONG_ENUMERATOR_HXX
class DetachedSong;
/**
* An object which provides serial access to a number of #Song
* objects. It is used to enumerate the contents of a playlist file.
*/
class SongEnumerator {
public:
virtual ~SongEnumerator() {}
/**
* Obtain the next song. The caller is responsible for
* freeing the returned #Song object. Returns nullptr if
* there are no more songs.
*/
virtual DetachedSong *NextSong() = 0;
};
#endif
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