2 lyric-combine-music-iterator.cc -- implement Lyric_combine_music_iterator
4 source file of the GNU LilyPond music typesetter
6 (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "translator-group.hh"
11 #include "lyric-combine-music-iterator.hh"
12 #include "lyric-combine-music.hh"
13 #include "musical-request.hh"
15 Busy_playing_req busy_req;
16 Melisma_req melisma_start_req;
17 Melisma_req melisma_stop_req;
18 Melisma_playing_req melisma_playing_req;
21 Lyric_combine_music_iterator::Lyric_combine_music_iterator ()
23 melisma_start_req.span_dir_ = START;
24 melisma_stop_req.span_dir_ = STOP;
26 melisma_started_b_ = false;
32 Lyric_combine_music_iterator::next_moment () const
34 Moment musnext = music_iter_p_->next_moment ();
39 Lyric_combine_music_iterator::ok () const
41 return music_iter_p_->ok ();
45 Lyric_combine_music_iterator::do_print () const
47 music_iter_p_->print ();
48 lyric_iter_p_->print ();
52 Lyric_combine_music_iterator::construct_children ()
54 Lyric_combine_music const * m = dynamic_cast<Lyric_combine_music const*> (music_l_);
56 music_iter_p_ = get_iterator_p (m->music_l ());
57 lyric_iter_p_ = get_iterator_p (m->lyrics_l ());
61 Lyric_combine_music_iterator::do_process_and_next (Moment m)
63 Moment my_next = music_iter_p_->next_moment ();
67 music_iter_p_->process_and_next (m);
69 bool busy = try_music (&busy_req);
72 bool melisma_b = try_music (&melisma_playing_req);
73 if (!melisma_started_b_ || !melisma_b)
75 if (lyric_iter_p_->ok ())
77 if (melisma_b && !melisma_started_b_)
78 lyric_iter_p_->try_music (&melisma_start_req);
79 else if (melisma_started_b_)
80 lyric_iter_p_->try_music (&melisma_stop_req);
82 Moment m= lyric_iter_p_->next_moment ();
83 lyric_iter_p_->process_and_next (m);
86 melisma_started_b_ = melisma_b;
91 Music_iterator::do_process_and_next (m);
94 Lyric_combine_music_iterator::~Lyric_combine_music_iterator ()
101 Lyric_combine_music_iterator::try_music_in_children (Music const *m) const
103 Music_iterator * i = music_iter_p_->try_music (m);
107 return lyric_iter_p_->try_music (m);