lily/include/simple-music-iterator.hh

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 2000--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
   5
   6   LilyPond is free software: you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published by
   8   the Free Software Foundation, either version 3 of the License, or
   9   (at your option) any later version.
  10
  11   LilyPond is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #ifndef SIMPLE_MUSIC_ITERATOR_HH
  21 #define SIMPLE_MUSIC_ITERATOR_HH
  22
  23 #include "music-iterator.hh"
  24
  25 /*
  26   Iterator for atomic music objects: events are generated at the
  27   beginning and at the end of the music.
  28 */
  29 class Simple_music_iterator : public Music_iterator
  30 {
  31 protected:
  32   DECLARE_CLASSNAME(Simple_music_iterator);
  33
  34   Moment last_processed_mom_;
  35 public:
  36   DECLARE_SCHEME_CALLBACK (constructor, ());
  37   Simple_music_iterator ();
  38   virtual void process (Moment);
  39   virtual bool ok ()const;
  40   virtual Moment pending_moment ()const;
  41 };
  42
  43 #endif /* SIMPLE_MUSIC_ITERATOR_HH */
  44