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/*
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/>.
*/
#include "music-wrapper-iterator.hh"
#include "music-wrapper.hh"
#include "music.hh"
Music_wrapper_iterator::Music_wrapper_iterator ()
{
child_iter_ = 0;
}
void
Music_wrapper_iterator::do_quit ()
{
if (child_iter_)
child_iter_->quit ();
}
void
Music_wrapper_iterator::derived_mark () const
{
if (child_iter_)
scm_gc_mark (child_iter_->self_scm ());
}
void
Music_wrapper_iterator::derived_substitute (Context *f, Context *t)
{
if (child_iter_)
child_iter_->substitute_outlet (f, t);
}
void
Music_wrapper_iterator::construct_children ()
{
Music *my_music = get_music ();
Music *child = unsmob<Music> (my_music->get_property ("element"));
child_iter_ = (child)
? unsmob<Music_iterator> (get_iterator (child))
: 0;
}
bool
Music_wrapper_iterator::ok () const
{
return child_iter_ && child_iter_->ok ();
}
void
Music_wrapper_iterator::process (Moment m)
{
if (child_iter_)
child_iter_->process (m);
}
Moment
Music_wrapper_iterator::pending_moment () const
{
if (child_iter_)
return child_iter_->pending_moment ();
else
return Music_iterator::pending_moment ();
}
Context *
Music_wrapper_iterator::get_outlet () const
{
if (child_iter_)
return child_iter_->get_outlet ();
return Music_iterator::get_outlet ();
}
void
Music_wrapper_iterator::set_context (Context *trans)
{
if (child_iter_)
child_iter_->set_context (trans);
Music_iterator::set_context (trans);
}
IMPLEMENT_CTOR_CALLBACK (Music_wrapper_iterator);
bool
Music_wrapper_iterator::run_always () const
{
return (child_iter_ && child_iter_->run_always ());
}
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