X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fmusic-wrapper-iterator.hh;h=47cd6763c3ab99a151e9609a776ab77ce9949dc1;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=02a4e97fa0089fd9a415054bb6308957d3190f31;hpb=615a9212789c2cb2994748c023d0e19f3a83a0fd;p=lilypond.git

diff --git a/lily/include/music-wrapper-iterator.hh b/lily/include/music-wrapper-iterator.hh
index 02a4e97fa0..47cd6763c3 100644
--- a/lily/include/music-wrapper-iterator.hh
+++ b/lily/include/music-wrapper-iterator.hh
@@ -1,34 +1,53 @@
-/*   
-  music-wrapper-iterator.hh -- declare 
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 1998--2015 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/>.
+*/
 
 #ifndef MUSIC_WRAPPER_ITERATOR_HH
 #define MUSIC_WRAPPER_ITERATOR_HH
 
-#include "music.hh"
 #include "music-iterator.hh"
 
+/**
+   The iterator for a #Music_wrapper#.  Since #Music_wrapper# essentially
+   does nothing, this iterator creates a child iterator and delegates
+   all work to that child.
+*/
 class Music_wrapper_iterator : public Music_iterator
 {
-  Music_iterator *child_iter_p_;
-  Music_wrapper *music_wrapper_l();
 public:
+  DECLARE_SCHEME_CALLBACK (constructor, ());
   Music_wrapper_iterator ();
-  ~Music_wrapper_iterator ();
-  virtual void do_print () const;
-  virtual void construct_children  () ;
-  virtual void do_process_and_next (Moment) ;
-  virtual Moment next_moment () const;
+  DECLARE_CLASSNAME (Music_wrapper_iterator);
+
+  virtual Context *get_outlet () const;
+  virtual void set_context (Context *trans);
+  virtual void derived_substitute (Context *f, Context *t);
+  virtual void derived_mark () const;
+  virtual void construct_children ();
+  virtual Moment pending_moment () const;
+  virtual void do_quit ();
   virtual bool ok () const;
-  
+  virtual bool run_always () const;
+protected:
+  virtual void process (Moment);
+
+  Music_iterator *child_iter_;
 };
 
 #endif /* MUSIC_WRAPPER_ITERATOR_HH */
 
-
-