release: 1.3.121

[lilypond.git] / lily / music-wrapper-iterator.cc

diff --git a/lily/music-wrapper-iterator.cc b/lily/music-wrapper-iterator.cc
index af658cf72a5905d6345810cd0925f7bc0cb12328..096eee314016ebcde462296a9ebcafbbf157cbfd 100644 (file)
--- a/lily/music-wrapper-iterator.cc
+++ b/lily/music-wrapper-iterator.cc
@@ -4,7 +4,6 @@
   source file of the GNU LilyPond music typesetter
   
   (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
  */
 
 
@@ -16,14 +15,21 @@ Music_wrapper_iterator::Music_wrapper_iterator ()
   child_iter_p_ =0;
 }
 
+Music_wrapper_iterator::Music_wrapper_iterator (Music_wrapper_iterator const &src)
+  : Music_iterator (src)
+{
+  if (src.child_iter_p_)
+    child_iter_p_ = src.child_iter_p_->clone ();
+  else
+    child_iter_p_ = 0;
+}
 
-
-void
-Music_wrapper_iterator::do_print () const
+Music_wrapper_iterator::~Music_wrapper_iterator ()
 {
-  child_iter_p_->print ();
+  delete child_iter_p_;
 }
 
+
 void
 Music_wrapper_iterator::construct_children ()
 {
@@ -31,35 +37,48 @@ Music_wrapper_iterator::construct_children ()
     get_iterator_p (dynamic_cast<Music_wrapper const*> (music_l_)->element ());
 }
 
-Music_wrapper_iterator::~Music_wrapper_iterator ()
-{
-  delete child_iter_p_;
-}
-
-
 bool
 Music_wrapper_iterator::ok () const
 {
   return child_iter_p_ && child_iter_p_->ok ();
 }
+void
+Music_wrapper_iterator::skip (Moment m)
+{
+  /*
+    FIXME: should make sure that the initial try_music () is skipped as
+    well, if you would do
+
+    iter = get_iterator (Side_effect_music); // eg. property setting
+    iter->skip (1/2)
+    iter->process ()
+
+  */
+  child_iter_p_->skip (m);
+}
 
 void
-Music_wrapper_iterator::do_process_and_next (Moment m)
+Music_wrapper_iterator::process (Moment m)
 {
-  child_iter_p_->process_and_next (m);
-  Music_iterator::do_process_and_next (m);
+  child_iter_p_->process (m);
 }
 
+SCM
+Music_wrapper_iterator::get_music (Moment m)const
+{
+  return child_iter_p_->get_music (m);
+}
 
 Moment
-Music_wrapper_iterator::next_moment () const
+Music_wrapper_iterator::pending_moment () const
 {
-  return child_iter_p_->next_moment ();
+  return child_iter_p_->pending_moment ();
 }
 
-
 Music_iterator*
 Music_wrapper_iterator::try_music_in_children (Music *m) const
 {
   return child_iter_p_->try_music (m);
 }
+
+IMPLEMENT_CTOR_CALLBACK(Music_wrapper_iterator);