/*
  This file is part of LilyPond, the GNU music typesetter.

  Copyright (C) 1999--2009 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 GROUP_INTERFACE_HH
#define GROUP_INTERFACE_HH

#include "grob.hh"
#include "std-string.hh"
/**
   Look at Score element ELT as thing which has a list property called
   NAME_. Normally the list would contain Grobs, but
   sometimes it can be different things.

   todo: reename as list_interface?
*/

struct Group_interface
{
public:
  static int count (Grob *, SCM);
  static void add_thing (Grob *, SCM, SCM);
};

#endif /* GROUP_INTERFACE_HH */

