Web-ja: update introduction

[lilypond.git] / lily / bar-check-iterator.cc

diff --git a/lily/bar-check-iterator.cc b/lily/bar-check-iterator.cc
index af227ca0d99dd93e18a723afcf4954a0548c8512..d86cfa6bdfbf20a7a4c0b544c7d53de5800262ab 100644 (file)
--- a/lily/bar-check-iterator.cc
+++ b/lily/bar-check-iterator.cc
@@ -1,68 +1,88 @@
-/*   
+/*
+  This file is part of LilyPond, the GNU music typesetter.
 
-     bar-check-iterator.cc -- implement Bar_check_iterator
+  Copyright (C) 2001--2015  Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-     source file of the GNU LilyPond music typesetter
+  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.
 
-     (c) 2001--2002  Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  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 "context.hh"
+#include "input.hh"
+#include "international.hh"
+#include "music.hh"
 #include "simple-music-iterator.hh"
-#include "command-request.hh"
-#include "translator-group.hh"
 
 /*
   Check bar checks. We do this outside the engravers so that you can
   race through the score using skipTypesetting to correct durations.
- */
+*/
 class Bar_check_iterator : Simple_music_iterator
 {
 public:
-  VIRTUAL_COPY_CONS(Bar_check_iterator);
   virtual void process (Moment);
-  Bar_check_iterator( );
-  DECLARE_SCHEME_CALLBACK(constructor, ());
+  Bar_check_iterator ();
+  DECLARE_SCHEME_CALLBACK (constructor, ());
 };
 
-IMPLEMENT_CTOR_CALLBACK(Bar_check_iterator);
-
-Music * get_barcheck ()
-{
-  Music *bc = new Music;
-  bc->set_mus_property ("iterator-ctor", Bar_check_iterator::constructor_proc);
-  return bc;
-}
+IMPLEMENT_CTOR_CALLBACK (Bar_check_iterator);
 
-Bar_check_iterator::Bar_check_iterator()
+Bar_check_iterator::Bar_check_iterator ()
 {
 }
 
 void
 Bar_check_iterator::process (Moment m)
 {
-  Simple_music_iterator::process(m);
+  Simple_music_iterator::process (m);
   if (!m.to_bool ())
     {
-      Translator_group *tr = report_to ();
+      Context *tr = get_outlet ();
+
+      SCM check = tr->get_property ("ignoreBarChecks");
+      if (to_boolean (check))
+        return;
 
       SCM mp = tr->get_property ("measurePosition");
-      SCM sync= tr->get_property ("barCheckSynchronize");
+      SCM sync = tr->get_property ("barCheckSynchronize");
 
-      Moment * where =unsmob_moment (mp);
+      Moment *where = unsmob<Moment> (mp);
       if (!where)
-       return;
-      
+        return;
+
       if (where->main_part_)
-       {
-         get_music ()->origin ()->warning (_f ("barcheck failed at: %s", 
-                                             where->string ()));
-         if (to_boolean (sync))
-           {
-             tr = tr->where_defined (ly_symbol2scm("measurePosition"));
-             Moment zero;
-             tr->set_property ("measurePosition", zero.smobbed_copy ());
-           }
-       }
+        {
+          bool warn = true;
+          if (to_boolean (sync))
+            {
+              SCM mp;
+              tr = tr->where_defined (ly_symbol2scm ("measurePosition"), &mp);
+              Moment zero;
+              tr->set_property ("measurePosition", zero.smobbed_copy ());
+            }
+          else
+            {
+              SCM lf = tr->get_property ("barCheckLastFail");
+              if (unsmob<Moment> (lf)
+                  && *unsmob<Moment> (lf) == *where)
+                warn = false;
+              else
+                tr->set_property ("barCheckLastFail", mp);
+            }
+
+          if (warn)
+            get_music ()->origin ()->warning (_f ("barcheck failed at: %s",
+                                                  where->to_string ()));
+        }
     }
-}    
+}