2 request-chord-iterator.cc -- implement Request_chord_iterator
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "translator-group.hh"
11 #include "request-chord-iterator.hh"
12 #include "music-list.hh"
15 Request_chord_iterator::Request_chord_iterator ()
19 Request_chord_iterator::Request_chord_iterator (Request_chord_iterator const &src)
20 : Simple_music_iterator (src)
25 Request_chord_iterator::get_req_translator_l ()
27 assert (report_to_l ());
28 if (report_to_l ()->is_bottom_translator_b ())
29 return report_to_l ();
31 set_translator (report_to_l ()->get_default_interpreter ());
32 return report_to_l ();
36 Request_chord_iterator::construct_children()
38 Simple_music_iterator::construct_children ();
39 get_req_translator_l();
43 Request_chord_iterator::elt_l () const
45 return (Request_chord*) music_l_;
49 Request_chord_iterator::get_music (Moment m) const
51 Request_chord_iterator* urg = (Request_chord_iterator*)this;
52 urg->last_processed_mom_ = m;
53 urg->last_processed_mom_.set_infinite (1);
57 Music_sequence * ms = dynamic_cast<Music_sequence*> (music_l_);
59 for (SCM m = ms->music_list (); gh_pair_p (m); m = gh_cdr (m))
61 s = gh_cons (gh_car (m) , s);
69 Request_chord_iterator::process (Moment m)
71 last_processed_mom_ = m;
74 for (SCM s = dynamic_cast<Music_sequence *> (music_l_)->music_list ();
75 gh_pair_p (s); s = gh_cdr (s))
77 Music *mus = unsmob_music (gh_car (s));
79 if (Request * req_l = dynamic_cast<Request*> (mus))
81 bool gotcha = try_music (req_l);
83 req_l->origin ()->warning (_f ("Junking request: `%s'", classname( req_l)));
86 mus->origin ()->warning (_f ("Huh? Not a Request: `%s'",