Fix some bugs in the dynamic engraver and PostScript backend

[lilypond.git] / lily / folded-repeat-iterator.cc

diff --git a/lily/folded-repeat-iterator.cc b/lily/folded-repeat-iterator.cc
index 06fefb1f4a80b8948a1e30c2c9e6cc8f5540b4fa..1a4de7c369b828618110634bad5797cd73f7acba 100644 (file)
--- a/lily/folded-repeat-iterator.cc
+++ b/lily/folded-repeat-iterator.cc
@@ -1,23 +1,18 @@
-/*   
-     folded-repeat-iterator.cc --  implement Folded_repeat_iterator
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+/*
+  folded-repeat-iterator.cc -- implement Folded_repeat_iterator
 
+  source file of the GNU LilyPond music typesetter
 
-/*
-   Folded repeats are a stupid idea at this point, so we refrain from
-   implementing get_pending_events () and skip ().
+  (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "folded-repeat-iterator.hh"
+
+#include "context.hh"
+#include "input.hh"
+#include "international.hh"
 #include "repeated-music.hh"
-#include "music-list.hh"
 #include "simultaneous-music-iterator.hh"
-#include "translator-group.hh"
 
 Folded_repeat_iterator::Folded_repeat_iterator ()
 {
@@ -31,37 +26,17 @@ Folded_repeat_iterator::ok () const
   return main_iter_ || alternative_iter_;
 }
 void
-Folded_repeat_iterator::do_quit()
-{
-  if (main_iter_)main_iter_->quit();
-  if (alternative_iter_)alternative_iter_->quit();
-}
-
-Folded_repeat_iterator::Folded_repeat_iterator (Folded_repeat_iterator const &src)
-  : Music_iterator (src)
+Folded_repeat_iterator::do_quit ()
 {
-  main_iter_ = 0;
-  alternative_iter_ = 0;
-  main_length_mom_ = src.main_length_mom_;
-
-  if (src.alternative_iter_)
-    alternative_iter_ = src.alternative_iter_->clone ();
-  if (src.main_iter_)
-    main_iter_ = src.main_iter_->clone ();
-  
-  if (main_iter_)
-    scm_gc_unprotect_object (main_iter_->self_scm());
-  if (alternative_iter_)
-    scm_gc_unprotect_object (alternative_iter_->self_scm());
+  if (main_iter_)main_iter_->quit ();
+  if (alternative_iter_)alternative_iter_->quit ();
 }
 
 Moment
 Folded_repeat_iterator::pending_moment () const
 {
   if (main_iter_)
-    {
-      return main_iter_->pending_moment ();
-    }
+    return main_iter_->pending_moment ();
   else
     return main_length_mom_ + alternative_iter_->pending_moment ();
 }
@@ -69,8 +44,8 @@ Folded_repeat_iterator::pending_moment () const
 void
 Folded_repeat_iterator::construct_children ()
 {
-  Repeated_music  *  mus = dynamic_cast<Repeated_music*> (get_music ());
-  main_iter_ = unsmob_iterator (get_iterator (mus->body ()));
+  Music *mus = get_music ();
+  main_iter_ = unsmob_iterator (get_iterator (Repeated_music::body (mus)));
   if (!main_iter_->ok ())
     {
       leave_body ();
@@ -81,13 +56,6 @@ Folded_repeat_iterator::construct_children ()
 void
 Folded_repeat_iterator::process (Moment m)
 {
-  if (!m.to_bool () )
-    {
-      bool success = try_music (get_music ());
-      if (!success)
-       get_music ()->origin ()->warning (_ ("no one to print a repeat brace"));
-    }
-  
   if (main_iter_)
     {
       main_iter_->process (m);
@@ -96,17 +64,15 @@ Folded_repeat_iterator::process (Moment m)
     }
 
   if (!main_iter_ && !alternative_iter_)
-    {
-      enter_alternative ();
-    }
-  
+    enter_alternative ();
+
   if (alternative_iter_)
     {
       alternative_iter_->process (m - main_length_mom_);
       if (!alternative_iter_->ok ())
        {
-         alternative_iter_->quit();
-         alternative_iter_ =0;
+         alternative_iter_->quit ();
+         alternative_iter_ = 0;
        }
     }
 }
@@ -114,51 +80,49 @@ Folded_repeat_iterator::process (Moment m)
 void
 Folded_repeat_iterator::leave_body ()
 {
-  Repeated_music *  mus = dynamic_cast<Repeated_music *> (get_music ());
+  Music *mus = get_music ();
 
   main_iter_->quit ();
   main_iter_ = 0;
-  main_length_mom_ +=  mus->body ()->get_length ();
+  main_length_mom_ += Repeated_music::body (mus)->get_length ();
 }
 
 void
 Folded_repeat_iterator::enter_alternative ()
 {
-  Repeated_music *  mus = dynamic_cast<Repeated_music *> (get_music ());  
-  if (mus->alternatives ())
+  Music *mus = get_music ();
+  if (scm_is_pair (Repeated_music::alternatives (mus)))
     {
-  /*
-    ugh.
-   */ 
-      Simultaneous_music_iterator * s = new Simultaneous_music_iterator;
-      s->separate_contexts_b_ = true;
-      s->init_translator (mus, report_to ());
-      
+      /*
+       ugh.
+      */
+      Simultaneous_music_iterator *s = new Simultaneous_music_iterator;
+      s->create_separate_contexts_ = true;
+      s->init_translator (mus, get_outlet ());
+
       alternative_iter_ = s;
       alternative_iter_->construct_children ();
 
-      scm_gc_unprotect_object (s->self_scm());
+      s->unprotect ();
     }
 }
 
-
-Music_iterator*
-Folded_repeat_iterator::try_music_in_children (Music * m) const
+void
+Folded_repeat_iterator::derived_mark () const
 {
   if (main_iter_)
-    {
-      return main_iter_->try_music (m);
-    }
+    scm_gc_mark (main_iter_->self_scm ());
   if (alternative_iter_)
-    return alternative_iter_->try_music (m);
-  return 0;
+    scm_gc_mark (alternative_iter_->self_scm ());
 }
+
 void
-Folded_repeat_iterator::derived_mark()const
+Folded_repeat_iterator::derived_substitute (Context *f, Context *t)
 {
   if (main_iter_)
-    scm_gc_mark (main_iter_->self_scm());
+    main_iter_->substitute_outlet (f, t);
   if (alternative_iter_)
-    scm_gc_mark (alternative_iter_->self_scm());
+    alternative_iter_->substitute_outlet (f, t);
 }
+
 IMPLEMENT_CTOR_CALLBACK (Folded_repeat_iterator);