2 folded-repeat-iterator.hh -- declare Folded_repeat_iterator
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
9 #ifndef FOLDED_REPEAT_ITERATOR_HH
10 #define FOLDED_REPEAT_ITERATOR_HH
12 #include "music-iterator.hh"
15 Iterate through a repeated section: first do the body, then
16 all alternatives in parallel.
18 class Folded_repeat_iterator : public Music_iterator
21 DECLARE_SCHEME_CALLBACK (constructor, ());
22 DECLARE_CLASSNAME(Folded_repeat_iterator);
24 Folded_repeat_iterator (Folded_repeat_iterator const &src);
25 Folded_repeat_iterator ();
26 virtual void derived_mark () const;
27 virtual void derived_substitute (Context *f, Context *t);
29 virtual void construct_children ();
30 virtual Moment pending_moment () const;
31 virtual void do_quit ();
32 virtual bool ok () const;
35 void enter_alternative ();
38 virtual void process (Moment);
39 virtual Music_iterator *try_music_in_children (Music *) const;
42 Music_iterator *main_iter_;
43 Music_iterator *alternative_iter_;
45 Moment main_length_mom_;
47 #endif /* FOLDED_REPEAT_ITERATOR_HH */