-/*
- This file is part of LilyPond, the GNU music typesetter.
-
- Copyright (C) 2002--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/>.
-*/
-
-#include "music.hh"
-#include "sequential-iterator.hh"
-#include "context.hh"
-
-class Unfolded_repeat_iterator : public Sequential_iterator
-{
-public:
- DECLARE_SCHEME_CALLBACK (constructor, ());
-protected:
- virtual SCM get_music_list () const;
-};
-
-SCM
-Unfolded_repeat_iterator::get_music_list () const
-{
- SCM l = SCM_EOL;
- SCM *tail = &l;
-
- SCM body = get_music ()->get_property ("element");
- SCM alts = get_music ()->get_property ("elements");
- int alt_count = scm_ilength (alts);
- int rep_count = scm_to_int (get_music ()->get_property ("repeat-count"));
-
- for (int i = 0; i < rep_count; i++)
- {
- if (Music::is_smob (body))
- *tail = scm_cons (body, SCM_EOL);
-
- tail = SCM_CDRLOC (*tail);
-
- if (alt_count)
- {
- *tail = scm_cons (scm_car (alts), SCM_EOL);
- tail = SCM_CDRLOC (*tail);
- if (i >= rep_count - alt_count)
-
- alts = scm_cdr (alts);
- }
- }
-
- return l;
-}
-
-IMPLEMENT_CTOR_CALLBACK (Unfolded_repeat_iterator);