/*
- percent-repeat-iterator.cc -- implement Percent_repeat_iterator
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2001--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Erik Sandberg <mandolaerik@gmail.com>
- (c) 2001--2006 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.
-#include "percent-repeat-iterator.hh"
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "context.hh"
#include "input.hh"
-#include "international.hh"
#include "repeated-music.hh"
+#include "sequential-iterator.hh"
-IMPLEMENT_CTOR_CALLBACK (Percent_repeat_iterator);
-
-Percent_repeat_iterator::Percent_repeat_iterator ()
+class Percent_repeat_iterator : public Sequential_iterator
{
- child_iter_ = 0;
-}
+public:
+ DECLARE_CLASSNAME (Percent_repeat_iterator);
+ DECLARE_SCHEME_CALLBACK (constructor, ());
+ Percent_repeat_iterator ();
+protected:
+ virtual SCM get_music_list () const;
+};
-void
-Percent_repeat_iterator::do_quit ()
-{
- if (child_iter_)
- child_iter_->quit ();
-}
+IMPLEMENT_CTOR_CALLBACK (Percent_repeat_iterator);
-bool
-Percent_repeat_iterator::ok () const
+Percent_repeat_iterator::Percent_repeat_iterator ()
{
- return child_iter_;
}
-void
-Percent_repeat_iterator::construct_children ()
+SCM
+Percent_repeat_iterator::get_music_list () const
{
Music *mus = get_music ();
- finish_mom_ = mus->get_length ();
- child_iter_ = unsmob_iterator (get_iterator (Repeated_music::body (mus)));
-}
-
-void
-Percent_repeat_iterator::process (Moment m)
-{
- if (!m.to_bool ())
+ Music *child = Repeated_music::body (mus);
+ SCM length = child->get_length ().smobbed_copy ();
+ SCM child_list = SCM_EOL;
+ Moment measure_len = measure_length (get_outlet ());
+ Moment music_len = robust_scm2moment (length, Moment (0));
+
+ string event_type;
+ SCM slash_count = SCM_EOL;
+
+ if (measure_len == music_len)
+ event_type = "PercentEvent";
+ else if (measure_len * Moment (2) == music_len)
+ event_type = "DoublePercentEvent";
+ else
{
- Music_iterator *yeah = try_music (get_music ());
- if (yeah)
- set_context (yeah->get_outlet ());
- else
- get_music ()->origin ()->warning (_ ("no one to print a percent"));
+ slash_count
+ = scm_call_1 (ly_lily_module_constant ("calc-repeat-slash-count"),
+ child->self_scm ());
+ event_type = "RepeatSlashEvent";
}
- if (child_iter_->ok ())
- child_iter_->process (m);
-
- if (finish_mom_ <= m)
+ int repeats = scm_to_int (mus->get_property ("repeat-count"));
+ for (int i = repeats; i > 1; i--)
{
- child_iter_->quit ();
- child_iter_ = 0;
+ Music *percent = make_music_by_name (ly_symbol2scm (event_type.c_str ()));
+ percent->set_spot (*mus->origin ());
+ percent->set_property ("length", length);
+ if (repeats > 1)
+ {
+ percent->set_property ("repeat-count", scm_from_int (i));
+ if (event_type == "RepeatSlashEvent")
+ percent->set_property ("slash-count", slash_count);
+ }
+
+ child_list = scm_cons (percent->unprotect (), child_list);
}
-}
-Moment
-Percent_repeat_iterator::pending_moment ()const
-{
- if (child_iter_->ok ())
- return child_iter_->pending_moment ();
- else
- return finish_mom_;
-}
+ child_list = scm_cons (child->self_scm (), child_list);
-Music_iterator *
-Percent_repeat_iterator::try_music_in_children (Music *m) const
-{
- return child_iter_->try_music (m);
-}
-
-void
-Percent_repeat_iterator::derived_mark ()const
-{
- if (child_iter_)
- scm_gc_mark (child_iter_->self_scm ());
-}
-
-void
-Percent_repeat_iterator::derived_substitute (Context *f, Context *t)
-{
- if (child_iter_)
- child_iter_->substitute_outlet (f, t);
+ return child_list;
}