Doc-es: various updates.

[lilypond.git] / lily / staff-collecting-engraver.cc

diff --git a/lily/staff-collecting-engraver.cc b/lily/staff-collecting-engraver.cc
index be285af113b5994bec4c987e044f4f4bc3df53e9..97711c89b55c75ba594b709295033f60dd88f9bd 100644 (file)
--- a/lily/staff-collecting-engraver.cc
+++ b/lily/staff-collecting-engraver.cc
@@ -1,46 +1,78 @@
-/*   
-staff-collecting-engraver.cc --  implement Staff_collecting_engraver
+/*
+  This file is part of LilyPond, the GNU music typesetter.
 
-source file of the GNU LilyPond music typesetter
+  Copyright (C) 2001--2015  Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-(c) 2001--2004  Han-Wen Nienhuys <hanwen@cs.uu.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 "staff-symbol.hh"
 #include "engraver.hh"
 #include "grob.hh"
-#include "translator-group.hh"
+#include "context.hh"
 
 class Staff_collecting_engraver : public Engraver
 {
 public:
-  TRANSLATOR_DECLARATIONS(Staff_collecting_engraver);
-  virtual void acknowledge_grob (Grob_info);
+  TRANSLATOR_DECLARATIONS (Staff_collecting_engraver);
+  void acknowledge_staff_symbol (Grob_info);
+  void acknowledge_end_staff_symbol (Grob_info);
 };
 
-Staff_collecting_engraver::Staff_collecting_engraver ()
+Staff_collecting_engraver::Staff_collecting_engraver (Context *c)
+  : Engraver (c)
 {
-  
 }
 
 void
-Staff_collecting_engraver::acknowledge_grob (Grob_info gi)
+Staff_collecting_engraver::acknowledge_staff_symbol (Grob_info gi)
+{
+  SCM staffs = get_property ("stavesFound");
+  staffs = scm_cons (gi.grob ()->self_scm (), staffs);
+
+  context ()->set_property ("stavesFound", staffs);
+}
+
+void
+Staff_collecting_engraver::acknowledge_end_staff_symbol (Grob_info gi)
 {
-  if (Staff_symbol::has_interface (gi.grob_))
-    {
-      SCM staffs = get_property ("stavesFound");
-      staffs = gh_cons (gi.grob_->self_scm (), staffs);
+  SCM staffs = get_property ("stavesFound");
+  staffs = scm_delq (gi.grob ()->self_scm (), staffs);
 
-      daddy_trans_->set_property ("stavesFound", staffs);
-    }
+  context ()->set_property ("stavesFound", staffs);
 }
 
+#include "translator.icc"
+
+
+void
+Staff_collecting_engraver::boot ()
+{
+  ADD_ACKNOWLEDGER (Staff_collecting_engraver, staff_symbol);
+  ADD_END_ACKNOWLEDGER (Staff_collecting_engraver, staff_symbol);
+}
+
+ADD_TRANSLATOR (Staff_collecting_engraver,
+                /* doc */
+                "Maintain the @code{stavesFound} variable.",
+
+                /* create */
+                "",
 
-ENTER_DESCRIPTION(Staff_collecting_engraver,
-/* descr */       "Maintain the stavesFound variable",
+                /* read */
+                "stavesFound ",
 
-/* creats*/       "",
-/* accepts */     "",
-/* acks  */      "staff-symbol-interface",
-/* reads */       "stavesFound",
-/* write */       "stavesFound");
+                /* write */
+                "stavesFound "
+               );