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

diff --git a/lily/percent-repeat-iterator.cc b/lily/percent-repeat-iterator.cc
index 29021ee3964e7350a982f2b910b266ed37605281..666e2425b0125c305c3b623c445d80fa31c85016 100644 (file)
--- a/lily/percent-repeat-iterator.cc
+++ b/lily/percent-repeat-iterator.cc
@@ -1,33 +1,51 @@
 /*
-  percent-repeat-iterator.cc -- implement Percent_repeat_iterator
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2001--2010  Han-Wen Nienhuys <hanwen@xs4all.nl>
+                  Erik Sandberg <mandolaerik@gmail.com>
 
-  (c) 2001--2006  Han-Wen Nienhuys <hanwen@xs4all.nl>, Erik Sandberg <mandolaerik@gmail.com>
-*/
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
 
-#include "percent-repeat-iterator.hh"
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
+*/
 
 #include "input.hh"
-#include "international.hh"
-#include "music.hh"
 #include "repeated-music.hh"
+#include "sequential-iterator.hh"
+
+class Percent_repeat_iterator : public Sequential_iterator
+{
+public:
+  DECLARE_CLASSNAME (Percent_repeat_iterator);
+  DECLARE_SCHEME_CALLBACK (constructor, ());
+  Percent_repeat_iterator ();
+protected:
+  virtual SCM get_music_list () const;
+};
 
 IMPLEMENT_CTOR_CALLBACK (Percent_repeat_iterator);
 
 Percent_repeat_iterator::Percent_repeat_iterator ()
 {
-  child_list_ = SCM_EOL;
 }
 
-void
-Percent_repeat_iterator::construct_children ()
+SCM
+Percent_repeat_iterator::get_music_list () const
 {
-  /* TODO: Distinction between percent and slash */
+  /* TODO: Distinction between percent, double-percent and slash */
   Music *mus = get_music ();
   Music *child = Repeated_music::body (mus);
   SCM length = child->get_length ().smobbed_copy ();
-  child_list_ = SCM_EOL;
+  SCM child_list = SCM_EOL;
 
   int repeats = scm_to_int (mus->get_property ("repeat-count"));
   for (int i = repeats; i > 1; i--)
@@ -36,28 +54,12 @@ Percent_repeat_iterator::construct_children ()
     percent->set_spot (*mus->origin ());
     percent->set_property ("length", length);
     if (repeats > 1)
-      percent->set_property ("repeat-count", scm_int2num (i - 1));
-    Music *percent_chord = make_music_by_name (ly_symbol2scm ("EventChord"));
-    percent_chord->set_spot (*mus->origin ());
-    percent_chord->set_property ("elements", scm_list_1 (percent->self_scm ()));
-    child_list_ = scm_cons (percent_chord->self_scm (), child_list_);
-    percent->unprotect ();
-    percent_chord->unprotect ();
+      percent->set_property ("repeat-count", scm_int2num (i));
+    
+    child_list = scm_cons (percent->unprotect (), child_list);
   }
-  child_list_ = scm_cons (child->self_scm (), child_list_);
   
-  Sequential_iterator::construct_children ();
-}
+  child_list = scm_cons (child->self_scm (), child_list);
 
-SCM
-Percent_repeat_iterator::get_music_list () const
-{
-  return child_list_;
-}
-
-void
-Percent_repeat_iterator::derived_mark () const
-{
-  scm_gc_mark (child_list_);
-  Sequential_iterator::derived_mark ();
+  return child_list;
 }