X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fchord-tremolo-iterator.cc;h=7301066d5ba164fa1bc984cc405cb8e640f9bcb5;hb=32f10f1e5741ddadbae0ed5d4bd3008a22fb6fb9;hp=ea1d410b6bf2f797b15e2f98e0620c8f021dd6d7;hpb=4995fea559cd5399b4f462de546a15195d76f4c3;p=lilypond.git

diff --git a/lily/chord-tremolo-iterator.cc b/lily/chord-tremolo-iterator.cc
index ea1d410b6b..7301066d5b 100644
--- a/lily/chord-tremolo-iterator.cc
+++ b/lily/chord-tremolo-iterator.cc
@@ -1,81 +1,89 @@
-/*   
-  chord-tremolo-iterator.cc --  implement Chord_tremolo_iterator
-  
+/*
+  chord-tremolo-iterator.cc -- implement Chord_tremolo_iterator
+
   source file of the GNU LilyPond music typesetter
-  
-  (c) 2000--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
 
+  (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
 
 /*
-  this is culled from various other iterators, but sharing code by subclassing proved to be too difficult.
- */
+  this is culled from various other iterators, but sharing code by
+  subclassing proved to be too difficult.
+*/
 
-#include "input.hh"
 #include "chord-tremolo-iterator.hh"
+
+#include "input.hh"
 #include "repeated-music.hh"
 
 void
 Chord_tremolo_iterator::construct_children ()
 {
-  Repeated_music * rep = dynamic_cast<Repeated_music*> (music_l ());
-  factor_  = Moment (1, rep->repeat_count ());
-  child_iter_p_ = get_iterator_p (rep->body ());
+  Music *m = get_music ();
+
+  factor_ = Moment (Rational (1, 1));
+  child_iter_ = unsmob_iterator (get_iterator (Repeated_music::body (m)));
 }
 
 Chord_tremolo_iterator::Chord_tremolo_iterator ()
 {
   factor_ = 1;
-  child_iter_p_ = 0;
+  child_iter_ = 0;
 }
 
-Chord_tremolo_iterator::Chord_tremolo_iterator (Chord_tremolo_iterator const &src)
-  : Music_iterator (src)
+void
+Chord_tremolo_iterator::do_quit ()
+{
+  if (child_iter_)
+    child_iter_->quit ();
+}
+
+void
+Chord_tremolo_iterator::derived_mark () const
 {
-  child_iter_p_ = src.child_iter_p_? src.child_iter_p_->clone () : 0; 
+  if (child_iter_)
+    scm_gc_mark (child_iter_->self_scm ());
+}
+
+void
+Chord_tremolo_iterator::derived_substitute (Context *f, Context *t)
+{
+  if (child_iter_)
+    child_iter_->substitute_outlet (f, t);
 }
 
 void
 Chord_tremolo_iterator::process (Moment m)
 {
-  if (!m)
+  if (!m.to_bool ())
     {
-      Music_iterator *yeah = try_music (music_l ());
+      Music_iterator *yeah = try_music (get_music ());
       if (yeah)
-	set_translator (yeah->report_to_l ());
+	set_context (yeah->get_outlet ());
       else
-	music_l ()->origin ()->warning (_ ("no one to print a tremolos"));
+	get_music ()->origin ()->warning (_ ("no one to print a tremolos"));
     }
 
-  child_iter_p_->process (factor_ * m);
+  child_iter_->process (factor_ * m);
 }
 
-
 Moment
 Chord_tremolo_iterator::pending_moment () const
 {
-  return child_iter_p_->pending_moment () / factor_;
+  return child_iter_->pending_moment () / factor_;
 }
 
 bool
 Chord_tremolo_iterator::ok () const
 {
-  return child_iter_p_ && child_iter_p_->ok ();
+  return child_iter_ && child_iter_->ok ();
 }
 
-Chord_tremolo_iterator::~Chord_tremolo_iterator ()
+Music_iterator *
+Chord_tremolo_iterator::try_music_in_children (Music *m) const
 {
-  delete child_iter_p_;
+  return child_iter_->try_music (m);
 }
 
-Music_iterator*
-Chord_tremolo_iterator::try_music_in_children (Music  *m) const
-{
-  return child_iter_p_->try_music (m);
-}
-
-
-
 IMPLEMENT_CTOR_CALLBACK (Chord_tremolo_iterator);