X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftuplet-engraver.cc;h=0892cda3e38afda99244362d7db651bbd32664e8;hb=7c28124df1472bc714abbf2498ada37dfafce0cf;hp=b95150ce10d6dc056298869d10b361cd8eca4efd;hpb=474c8729dc274a30558102a015a01fa5882673db;p=lilypond.git

diff --git a/lily/tuplet-engraver.cc b/lily/tuplet-engraver.cc
index b95150ce10..0892cda3e3 100644
--- a/lily/tuplet-engraver.cc
+++ b/lily/tuplet-engraver.cc
@@ -1,9 +1,20 @@
 /*
-  tuplet-engraver.cc -- implement Tuplet_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1998--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  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.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "beam.hh"
@@ -78,7 +89,7 @@ Tuplet_engraver::listen_tuplet_span (Stream_event *ev)
 	{
 	  /*
 	    discard duplicates.
-	   */
+	  */
 	  if (new_tuplets_[i].stop_moment_ == d.stop_moment_)
 	    return;
 	}
@@ -87,13 +98,13 @@ Tuplet_engraver::listen_tuplet_span (Stream_event *ev)
     }
   else if (dir == STOP)
     {
-    if (tuplets_.size ())
-    {
-      stopped_tuplets_.push_back (tuplets_.back ());
-      tuplets_.pop_back ();
-    }
-    else
-      ev->origin ()->warning (_f ("No tuplet to end"));
+      if (tuplets_.size ())
+	{
+	  stopped_tuplets_.push_back (tuplets_.back ());
+	  tuplets_.pop_back ();
+	}
+      else if (!to_boolean (get_property ("skipTypesetting"))) 
+	ev->origin ()->warning (_ ("No tuplet to end"));
     }
   else 
     ev->origin ()->programming_error ("direction tuplet-span-event_ invalid.");
@@ -105,12 +116,14 @@ Tuplet_engraver::process_music ()
   /*
     This may happen if the end of a tuplet is part of a quoted voice.
    */
-  Moment now = now_mom();
+  Moment now = now_mom ();
   for (vsize i = tuplets_.size (); i --; )
     {
-      stopped_tuplets_.push_back (tuplets_[i]);
       if (tuplets_[i].stop_moment_ == now)
-	tuplets_.erase (tuplets_.begin () + i);
+	{
+	  stopped_tuplets_.push_back (tuplets_[i]);
+	  tuplets_.erase (tuplets_.begin () + i);
+	}
     }
   
   for (vsize i = 0; i < stopped_tuplets_.size (); i++)
@@ -131,12 +144,16 @@ Tuplet_engraver::process_music ()
 	    }
 	  else if (!bracket->get_bound (RIGHT))
 	    {
-	      bracket->set_bound (RIGHT,
-				  bracket->get_bound (LEFT));
-	      number->set_bound (RIGHT,
-						      stopped_tuplets_[i].bracket_->get_bound (LEFT));
-	    }
-	  
+	      if (bracket->get_bound (LEFT))
+		{
+		  bracket->set_bound (RIGHT,
+				      bracket->get_bound (LEFT));
+		  number->set_bound (RIGHT,
+				     stopped_tuplets_[i].bracket_->get_bound (LEFT));
+		}
+	      else
+		programming_error ("stopped tuplet bracket has left nor right bound.");
+	    }	  
 	  // todo: scrap last_tuplets_, use stopped_tuplets_ only.
 	  // clear stopped_tuplets_ at start_translation_timestep
 	  last_tuplets_.push_back (bracket);
@@ -169,7 +186,7 @@ Tuplet_engraver::process_music ()
       tuplets_[i].stop_moment_.grace_part_ = 0;
       
       
-      if (i < tuplets_.size () - 1 && tuplets_[i + 1].bracket_)
+      if (i + 1 < tuplets_.size () && tuplets_[i + 1].bracket_)
 	Tuplet_bracket::add_tuplet_bracket (tuplets_[i].bracket_, tuplets_[i + 1].bracket_);
       
       if (i > 0 && tuplets_[i - 1].bracket_)
@@ -194,6 +211,10 @@ void
 Tuplet_engraver::start_translation_timestep ()
 {
   last_tuplets_.clear ();
+  /*
+    May seem superfluous, but necessary for skipTypesetting.
+   */
+  new_tuplets_.clear ();	
 }
 
 void
@@ -213,11 +234,17 @@ Tuplet_engraver::Tuplet_engraver ()
 
 ADD_ACKNOWLEDGER (Tuplet_engraver, note_column);
 ADD_TRANSLATOR (Tuplet_engraver,
-		/* doc */ "Catch TupletSpannerEvent and generate appropriate bracket  ",
+		/* doc */
+		"Catch tuplet events and generate appropriate bracket.",
+		
 		/* create */
 		"TupletBracket "
 		"TupletNumber ",
+
 		/* read */
 		"tupletFullLength "
 		"tupletFullLengthNote ",
-		/* write */ "");
+
+		/* write */
+		""
+		);