X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fpercent-repeat-iterator.cc;h=00f21af4d6969f60f7190f4914c95f0683639b38;hb=579cc91ea384517d2c6b85e224074ffdfaa1f5ba;hp=b9248bb7a862869cccce52e5c04ca4c4a0a169a3;hpb=fc3e875d6bf06f0680e897faffdcab36ad975a03;p=lilypond.git

diff --git a/lily/percent-repeat-iterator.cc b/lily/percent-repeat-iterator.cc
index b9248bb7a8..00f21af4d6 100644
--- a/lily/percent-repeat-iterator.cc
+++ b/lily/percent-repeat-iterator.cc
@@ -1,85 +1,86 @@
-/*   
-  percent-repeat-iterator.cc --  implement Percent_repeat_iterator
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
-
-#include "percent-repeat-iterator.hh"
-#include "repeated-music.hh"
-#include "input.hh"
+/*
+  This file is part of LilyPond, the GNU music typesetter.
 
-IMPLEMENT_CTOR_CALLBACK (Percent_repeat_iterator);
+  Copyright (C) 2001--2015  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.
 
-Percent_repeat_iterator::Percent_repeat_iterator ()
-{
-  
-}
+  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.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
+*/
 
-Percent_repeat_iterator::Percent_repeat_iterator (Percent_repeat_iterator const & p)
-  : Music_iterator (p)
+#include "context.hh"
+#include "input.hh"
+#include "repeated-music.hh"
+#include "sequential-iterator.hh"
+#include "lily-imports.hh"
+
+class Percent_repeat_iterator : public Sequential_iterator
 {
-  child_iter_p_ = p.child_iter_p_ ? p.child_iter_p_->clone (): 0;
-  finish_mom_ = p.finish_mom_ ;
-}
+public:
+  DECLARE_CLASSNAME (Percent_repeat_iterator);
+  DECLARE_SCHEME_CALLBACK (constructor, ());
+  Percent_repeat_iterator ();
+protected:
+  virtual SCM get_music_list () const;
+};
 
-bool
-Percent_repeat_iterator::ok () const
+IMPLEMENT_CTOR_CALLBACK (Percent_repeat_iterator);
+
+Percent_repeat_iterator::Percent_repeat_iterator ()
 {
-  return child_iter_p_;
 }
 
-void
-Percent_repeat_iterator::construct_children ()
+SCM
+Percent_repeat_iterator::get_music_list () const
 {
-  Repeated_music * mus =dynamic_cast<Repeated_music *> (music_l_);
-  finish_mom_ = mus->length_mom ();
-  child_iter_p_ = get_iterator_p (mus->body ());
-}
+  Music *mus = get_music ();
 
+  Music *child = Repeated_music::body (mus);
+  SCM length = child->get_length ().smobbed_copy ();
+  SCM child_list = SCM_EOL;
+  Moment measure_len = measure_length (get_outlet ());
+  Moment music_len = robust_scm2moment (length, Moment (0));
 
-void
-Percent_repeat_iterator::process (Moment m)
-{
-  if (!m)
-    {
-      Music_iterator *yeah = try_music (music_l_);
-      if (yeah)
-	set_translator (yeah->report_to_l ());
-      else
-	music_l_->origin ()->warning ( _ ("no one to print a percent"));
-    }
-  
-  if (child_iter_p_->ok ())
-    child_iter_p_->process (m);
+  string event_type;
+  SCM slash_count = SCM_EOL;
 
-  if (finish_mom_ <= m )
+  if (measure_len == music_len)
+    event_type = "PercentEvent";
+  else if (measure_len * Moment (2) == music_len)
+    event_type = "DoublePercentEvent";
+  else
     {
-      delete child_iter_p_;
-      child_iter_p_ = 0;
+      slash_count = Lily::calc_repeat_slash_count (child->self_scm ());
+      event_type = "RepeatSlashEvent";
     }
-}
 
-Moment
-Percent_repeat_iterator::pending_moment ()const
-{
-  if (child_iter_p_->ok ())
-    return child_iter_p_->pending_moment ();
-  else
-    return finish_mom_ ;
-}
+  int repeats = scm_to_int (mus->get_property ("repeat-count"));
+  for (int i = repeats; i > 1; i--)
+    {
+      Music *percent = make_music_by_name (ly_symbol2scm (event_type.c_str ()));
+      percent->set_spot (*mus->origin ());
+      percent->set_property ("length", length);
+      if (repeats > 1)
+        {
+          percent->set_property ("repeat-count", scm_from_int (i));
+          if (event_type == "RepeatSlashEvent")
+            percent->set_property ("slash-count", slash_count);
+        }
 
-Music_iterator*
-Percent_repeat_iterator::try_music_in_children (Music *m) const
-{
-  return child_iter_p_->try_music (m);
-}
+      child_list = scm_cons (percent->unprotect (), child_list);
+    }
 
+  child_list = scm_cons (child->self_scm (), child_list);
 
-Percent_repeat_iterator::~Percent_repeat_iterator ()
-{
-  delete child_iter_p_;
+  return child_list;
 }