2 music-wrapper-iterator.cc -- implement Music_wrapper_iterator
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "music-wrapper-iterator.hh"
11 #include "music-wrapper.hh"
13 Music_wrapper_iterator::Music_wrapper_iterator ()
18 Music_wrapper_iterator::Music_wrapper_iterator (Music_wrapper_iterator const &src)
19 : Music_iterator (src)
21 child_iter_ = (src.child_iter_) ? src.child_iter_->clone () : 0;
23 scm_gc_unprotect_object (child_iter_->self_scm());
27 Music_wrapper_iterator::do_quit()
33 Music_wrapper_iterator::derived_mark()const
36 scm_gc_mark (child_iter_->self_scm());
41 Music_wrapper_iterator::construct_children ()
43 Music * m = dynamic_cast<Music_wrapper const*> (get_music ())-> element();
44 child_iter_ = unsmob_iterator (get_iterator (m));
48 Music_wrapper_iterator::ok () const
50 return child_iter_ && child_iter_->ok ();
53 Music_wrapper_iterator::skip (Moment m)
56 FIXME: should make sure that the initial try_music () is skipped as
59 iter = get_iterator (Side_effect_music); // eg. property setting
64 child_iter_->skip (m);
68 Music_wrapper_iterator::process (Moment m)
70 child_iter_->process (m);
74 Music_wrapper_iterator::get_pending_events (Moment m)const
76 return child_iter_->get_pending_events (m);
80 Music_wrapper_iterator::pending_moment () const
82 return child_iter_->pending_moment ();
86 Music_wrapper_iterator::try_music_in_children (Music *m) const
88 return child_iter_->try_music (m);
91 IMPLEMENT_CTOR_CALLBACK (Music_wrapper_iterator);