-/*
- simple-music-iterator.cc -- implement Simple_music_iterator
-
- source file of the GNU LilyPond music typesetter
-
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2000--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 "simple-music-iterator.hh"
+
#include "music.hh"
#include "input.hh"
Simple_music_iterator::Simple_music_iterator ()
: Music_iterator ()
{
+ last_processed_mom_ = -1;
}
-Simple_music_iterator::Simple_music_iterator (Simple_music_iterator const &src)
- : Music_iterator (src)
+bool
+Simple_music_iterator::ok ()const
{
+ return last_processed_mom_ < music_get_length ();
+}
+
+/*
+ TODO: remove last_processed_mom_, and the complete shit. We should
+ only process a simple-music once, and that is at its start.
+
+ Engravers can detect and event the end-moments to be processed as
+ well.
+*/
+Moment
+Simple_music_iterator::pending_moment ()const
+{
+ if (last_processed_mom_ < Moment (0))
+ return Moment (0);
+ else
+ return music_get_length ();
}
void
-Simple_music_iterator::do_process_and_next (Moment m)
+Simple_music_iterator::process (Moment m)
{
- if (ok ())
- {
- bool b = try_music (get_music ());
- if (!b)
- music_l_->origin ()->warning (_f ("Junking music: `%s'",
- classname (music_l_)));
-
- }
- Music_iterator::do_process_and_next (m);
+ /*
+ don't do report_event (), since it would make the function useless for
+ base classes
+ */
+
+ last_processed_mom_ = m;
}
+
+IMPLEMENT_CTOR_CALLBACK (Simple_music_iterator);