X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fsequential-music-iterator.cc;h=687af1316bcc7228926536eb9b0b471b083ad4e4;hb=062b17ac5868311ee1e31655da86da1c931ffe31;hp=a6602b7709da149979392255fb0871179d7d0526;hpb=434da79e9d7684b2b05fa92a6d808d4ea7933046;p=lilypond.git

diff --git a/lily/sequential-music-iterator.cc b/lily/sequential-music-iterator.cc
index a6602b7709..687af1316b 100644
--- a/lily/sequential-music-iterator.cc
+++ b/lily/sequential-music-iterator.cc
@@ -3,167 +3,21 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
-#include "grace-iterator.hh"
+
 #include "translator-group.hh"
-#include "debug.hh"
+#include "warn.hh"
 #include "sequential-music-iterator.hh"
 #include "music-list.hh"
 
-void
-Sequential_music_iterator::do_print() const
-{
-  if (iter_p_)
-    iter_p_->print();
-}
-
-Sequential_music_iterator::Sequential_music_iterator ()
-{
-  cursor_ = 0;
-  here_mom_ = 0;
-  iter_p_ =0;
-  per_elt_b_ = false;
-}
-
-void
-Sequential_music_iterator::construct_children()
-{
-  cursor_ = dynamic_cast<Music_sequence const*> (music_l_)->music_p_list_p_->head_;
-  
-  while (cursor_)
-    {
-      start_next_element();
-      if (!iter_p_->ok()) 
-	{
-	  leave_element();
-	}
-      else 
-	{
-	  set_sequential_music_translator();
-	  break;
-	}
-    }
-}
-
-void 
-Sequential_music_iterator::leave_element()
-{
-  delete iter_p_;
-  iter_p_ =0;
-  Moment elt_time = cursor_->car_->length_mom ();
-  here_mom_ += elt_time;
-  cursor_ =cursor_->next_;
-}
-
-void
-Sequential_music_iterator::start_next_element()
-{
-  assert (!iter_p_);
-  iter_p_ = get_iterator_p (cursor_->car_);
-}
-
-void
-Sequential_music_iterator::set_sequential_music_translator()
-{
-  if (iter_p_->report_to_l()->depth_i () > report_to_l ()->depth_i ()
-      && ! dynamic_cast<Grace_iterator*> (iter_p_)) // UGH.!
-    set_translator (iter_p_->report_to_l());
-}
-
-Sequential_music_iterator::~Sequential_music_iterator()
-{
-  assert (! iter_p_);
-}
-
-
-
-
-void
-Sequential_music_iterator::do_process_and_next (Moment until)
-{
-  if (!iter_p_)
-    return;
-
-  while (1) 
-    {
-      Moment local_until = until - here_mom_;
-      while (iter_p_->ok()) 
-	{
-	  Moment here = iter_p_->next_moment();
-	  if (here != local_until)
-	    goto loopexit;
-	    
-	  iter_p_->process_and_next (local_until);
-	}
-      
-      if (!iter_p_->ok()) 
-	{
-	  leave_element();
-	  
-	  if (cursor_)
-	    {
-	      start_next_element();
-	      set_sequential_music_translator();
 
-	      if (per_elt_b_)
-		goto loopexit;	// ugh.
-	    }
-	  else 
-	    {
-	      goto loopexit;
-	    }
-	}
-    }
 
-loopexit:
 
-  Music_iterator::do_process_and_next (until);
-}
+IMPLEMENT_CTOR_CALLBACK (Sequential_music_iterator);
 
-Moment
-Sequential_music_iterator::next_moment() const
+SCM
+Sequential_music_iterator::get_music_list()const
 {
-  return iter_p_->next_moment() + here_mom_;
-}
-
-Music*
-Sequential_music_iterator::next_music_l ()
-{
-  if (!iter_p_)
-    return 0;
-
-  while (1) 
-    {
-      if (Music* m = iter_p_->next_music_l ())
-	{
-	  return m;
-	}
-      else
-	{
-	  // urg FIXME: grace-iterator::next_music_l () fools me!
-	  if (dynamic_cast<Grace_iterator*> (iter_p_))
-	    iter_p_ = 0;
-	  leave_element ();
-	  
-	  if (cursor_)
-	    {
-	      start_next_element ();
-	      set_sequential_music_translator ();
-	    }
-	  else 
-	    {
-	      delete iter_p_;
-	      iter_p_ = 0;
-	      return 0;
-	    }
-	}
-    }
+  return dynamic_cast<Music_sequence const*> (get_music ())->music_list ();
 }
-
-bool
-Sequential_music_iterator::ok() const
-{
-  return iter_p_;
-}
-