2 Simultaneous_music-iterator.cc -- implement Simultaneous_music_iterator
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "translator-group.hh"
11 #include "simultaneous-music-iterator.hh"
13 #include "music-list.hh"
15 Simultaneous_music_iterator::Simultaneous_music_iterator ()
19 Simultaneous_music_iterator::~Simultaneous_music_iterator ()
24 Simultaneous_music_iterator::construct_children()
27 Simultaneous_music const *sim = dynamic_cast<Simultaneous_music const*> (music_l_);
28 for (PCursor<Music*> i (sim->music_p_list_p_->top());
31 Music_iterator * mi = get_iterator_p (i.ptr());
34 if (sim->translator_type_str_.empty_b ())
35 set_translator (mi->report_to_l()->ancestor_l (0)); // huh?
36 children_p_list_.bottom().add (mi);
45 Simultaneous_music_iterator::do_print() const
48 for (PCursor<Music_iterator*> i (children_p_list_.top()); i.ok (); i++)
56 Simultaneous_music_iterator::do_process_and_next (Moment until)
58 for (PCursor<Music_iterator*> i (children_p_list_.top()); i.ok ();)
60 if (i->next_moment() == until)
62 i->process_and_next (until);
69 Music_iterator::do_process_and_next (until);
76 Simultaneous_music_iterator::next_moment() const
79 next.set_infinite (1);
80 for (PCursor<Music_iterator*> i (children_p_list_.top()); i.ok (); i++)
81 next = next <? i->next_moment() ;
88 Simultaneous_music_iterator::ok() const
90 return children_p_list_.size();