2 music-wrapper-iterator.hh -- declare Music_wrapper_iterator
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #ifndef MUSIC_WRAPPER_ITERATOR_HH
11 #define MUSIC_WRAPPER_ITERATOR_HH
14 #include "music-iterator.hh"
17 The iterator for a #Music_wrapper#. Since #Music_wrapper# essentially
18 does nothing, this iterator creates a child iterator and delegates
19 all work to that child.
21 class Music_wrapper_iterator : public Music_iterator
24 DECLARE_SCHEME_CALLBACK(constructor, ());
25 Music_wrapper_iterator ();
27 virtual void derived_substitute (Context *f, Context *t) ;
29 virtual void derived_mark () const;
30 virtual void construct_children () ;
31 virtual Moment pending_moment () const;
32 virtual void do_quit();
33 virtual bool ok () const;
34 virtual bool run_always () const;
36 virtual void process (Moment);
37 virtual Music_iterator *try_music_in_children (Music *) const;
39 Music_iterator *child_iter_;
42 #endif /* MUSIC_WRAPPER_ITERATOR_HH */