]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/music-wrapper-iterator.cc
* lily/include/debug.hh: deprecate.
[lilypond.git] / lily / music-wrapper-iterator.cc
index e282bded8c60b7c1c43635810cfff418e9ee2b31..fa628ee6b27950470217e174ae3d1515e01f525f 100644 (file)
@@ -3,8 +3,7 @@
   
   source file of the GNU LilyPond music typesetter
   
-  (c) 1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
+  (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
  */
 
 
@@ -16,18 +15,13 @@ Music_wrapper_iterator::Music_wrapper_iterator ()
   child_iter_p_ =0;
 }
 
-
-
-void
-Music_wrapper_iterator::do_print () const
-{
-  child_iter_p_->print ();
-}
-
-void
-Music_wrapper_iterator::construct_children ()
+Music_wrapper_iterator::Music_wrapper_iterator (Music_wrapper_iterator const &src)
+  : Music_iterator (src)
 {
-  child_iter_p_ = get_iterator_p (music_wrapper_l ()->element_p_);  
+  if (src.child_iter_p_)
+    child_iter_p_ = src.child_iter_p_->clone ();
+  else
+    child_iter_p_ = 0;
 }
 
 Music_wrapper_iterator::~Music_wrapper_iterator ()
@@ -35,28 +29,56 @@ Music_wrapper_iterator::~Music_wrapper_iterator ()
   delete child_iter_p_;
 }
 
-Music_wrapper*
-Music_wrapper_iterator::music_wrapper_l () const
+
+void
+Music_wrapper_iterator::construct_children ()
 {
-  return (Music_wrapper*) music_l_;
+  child_iter_p_ =
+    get_iterator_p (dynamic_cast<Music_wrapper const*> (music_l ())->element ());
 }
 
 bool
 Music_wrapper_iterator::ok () const
 {
-  return child_iter_p_->ok ();
+  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_->pending_moment ();
+}
+
+Music_iterator*
+Music_wrapper_iterator::try_music_in_children (Music *m) const
 {
-  return child_iter_p_->next_moment ();
+  return child_iter_p_->try_music (m);
 }
 
+IMPLEMENT_CTOR_CALLBACK (Music_wrapper_iterator);