]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/sequential-music-iterator.cc
* The grand 2005-2006 replace.
[lilypond.git] / lily / sequential-music-iterator.cc
index 3a32f9b0a6bfe152d11a053bc73505fcf467e3f4..f933df7bb43330d82351adf8fae1bd8283444196 100644 (file)
 /*
-  Sequential_music_iterator.cc -- implement Sequential_music_iterator
+  sequential-music-iterator.cc -- implement Sequential_music_iterator
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
-#include "translator-group.hh"
-#include "debug.hh"
+#include "context.hh"
 #include "sequential-music-iterator.hh"
-#include "music-list.hh"
+#include "music.hh"
+#include "warn.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;
-}
-
-void
-Sequential_music_iterator::construct_children()
-{
-  cursor_ = dynamic_cast<Sequential_music const*> (music_l_)->music_p_list_p_->head_cons_p_;
-  
-  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_p_->length_mom ();
-  here_mom_ += elt_time;
-  cursor_ =cursor_->next_cons_p_;
-}
-
-void
-Sequential_music_iterator::start_next_element()
-{
-  assert (!iter_p_);
-  iter_p_ = get_iterator_p (cursor_->car_p_);
-}
-
-void
-Sequential_music_iterator::set_Sequential_music_translator()
-{
-  if (iter_p_->report_to_l()->depth_i () > report_to_l ()->depth_i ())
-    set_translator (iter_p_->report_to_l());
-}
+IMPLEMENT_CTOR_CALLBACK (Sequential_music_iterator);
 
-Sequential_music_iterator::~Sequential_music_iterator()
+SCM
+Sequential_music_iterator::get_music_list ()const
 {
-  assert (! iter_p_);
+  return get_music ()->get_property ("elements");
 }
-
-
-
-
-void
-Sequential_music_iterator::do_process_and_next (Moment until)
-{
-  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();
-           }
-         else 
-           {
-             goto loopexit;
-           }
-       }
-    }
-
-loopexit:
-
-  Music_iterator::do_process_and_next (until);
-}
-
-Moment
-Sequential_music_iterator::next_moment() const
-{
-  return iter_p_->next_moment() + here_mom_;
-}
-
-bool
-Sequential_music_iterator::ok() const
-{
-  return iter_p_;
-}
-