lily/music-wrapper-iterator.cc

   1 /*
   2   music-wrapper-iterator.cc -- implement Music_wrapper_iterator
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "music-wrapper-iterator.hh"
  10 #include "music-wrapper.hh"
  11
  12 Music_wrapper_iterator::Music_wrapper_iterator ()
  13 {
  14   child_iter_ = 0;
  15 }
  16
  17 void
  18 Music_wrapper_iterator::do_quit ()
  19 {
  20   child_iter_->quit ();
  21 }
  22
  23 void
  24 Music_wrapper_iterator::derived_mark () const
  25 {
  26   if (child_iter_)
  27     scm_gc_mark (child_iter_->self_scm ());
  28 }
  29
  30 void
  31 Music_wrapper_iterator::derived_substitute (Context *f, Context *t)
  32 {
  33   if (child_iter_)
  34     child_iter_->substitute_outlet (f, t);
  35 }
  36
  37 void
  38 Music_wrapper_iterator::construct_children ()
  39 {
  40   Music *m = dynamic_cast<Music_wrapper const *> (get_music ())->element ();
  41   child_iter_ = unsmob_iterator (get_iterator (m));
  42 }
  43
  44 bool
  45 Music_wrapper_iterator::ok () const
  46 {
  47   return child_iter_ && child_iter_->ok ();
  48 }
  49
  50 void
  51 Music_wrapper_iterator::process (Moment m)
  52 {
  53   child_iter_->process (m);
  54 }
  55
  56 Moment
  57 Music_wrapper_iterator::pending_moment () const
  58 {
  59   return child_iter_->pending_moment ();
  60 }
  61
  62 Music_iterator *
  63 Music_wrapper_iterator::try_music_in_children (Music *m) const
  64 {
  65   return child_iter_->try_music (m);
  66 }
  67
  68 IMPLEMENT_CTOR_CALLBACK (Music_wrapper_iterator);
  69
  70 bool
  71 Music_wrapper_iterator::run_always () const
  72 {
  73   return child_iter_->run_always ();
  74 }