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--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7  */
   8
   9
  10 #include "music-wrapper-iterator.hh"
  11 #include "music-wrapper.hh"
  12
  13 Music_wrapper_iterator::Music_wrapper_iterator ()
  14 {
  15   child_iter_ =0;
  16 }
  17
  18 void
  19 Music_wrapper_iterator::do_quit ()
  20 {
  21   child_iter_->quit ();
  22 }
  23
  24 void
  25 Music_wrapper_iterator::derived_mark () const
  26 {
  27   if (child_iter_)
  28     scm_gc_mark (child_iter_->self_scm ());
  29 }
  30
  31 void
  32 Music_wrapper_iterator::derived_substitute (Context *f,Context *t)
  33 {
  34
  35   if (child_iter_)
  36     child_iter_->substitute_outlet (f,t);
  37 }
  38
  39 void
  40 Music_wrapper_iterator::construct_children ()
  41 {
  42   Music * m =  dynamic_cast<Music_wrapper const*> (get_music ())-> element ();
  43   child_iter_ = unsmob_iterator (get_iterator (m));
  44 }
  45
  46 bool
  47 Music_wrapper_iterator::ok () const
  48 {
  49   return child_iter_ && child_iter_->ok ();
  50 }
  51
  52
  53 void
  54 Music_wrapper_iterator::process (Moment m)
  55 {
  56   child_iter_->process (m);
  57 }
  58
  59
  60 Moment
  61 Music_wrapper_iterator::pending_moment () const
  62 {
  63   return child_iter_->pending_moment ();
  64 }
  65
  66 Music_iterator*
  67 Music_wrapper_iterator::try_music_in_children (Music *m) const
  68 {
  69   return child_iter_->try_music (m);
  70 }
  71
  72 IMPLEMENT_CTOR_CALLBACK (Music_wrapper_iterator);
  73
  74 bool
  75 Music_wrapper_iterator::run_always () const
  76 {
  77   return child_iter_->run_always ();
  78 }