-/*
- unfolded-repeat-iterator.cc -- implement Unfolded_repeat_iterator
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+ Copyright (C) 2002--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
-#include "new-repeated-music.hh"
-#include "music-list.hh"
-#include "unfolded-repeat-iterator.hh"
-#include "debug.hh"
-#include "translator-group.hh"
+ 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.
-Unfolded_repeat_iterator::~Unfolded_repeat_iterator ()
-{
- delete current_iter_p_;
-}
-
-Unfolded_repeat_iterator::Unfolded_repeat_iterator ()
-{
- done_count_ =0;
- current_iter_p_ =0;
- do_main_b_ = false;
- alternative_count_i_ =0;
-}
+ 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/>.
+*/
-If we are in the body of the repeat always go to the current alternative.
+#include "music.hh"
+#include "sequential-iterator.hh"
+#include "context.hh"
-If we are not in the body, then we are in an alternative. If we are
-fully unfolding, advance the current alternative and go back to main.
-If we are semi-unfolding, advance the current alternative, and go to
-the alternative just set.
-
- */
-void
-Unfolded_repeat_iterator::next_element ()
+class Unfolded_repeat_iterator : public Sequential_iterator
{
- New_repeated_music const* mus =dynamic_cast<New_repeated_music const*> (music_l_);
- delete current_iter_p_;
- current_iter_p_ =0;
-
-
- if (do_main_b_)
- {
- done_mom_ += mus->repeat_body_p_->length_mom ();
+public:
+ DECLARE_SCHEME_CALLBACK (constructor, ());
+protected:
+ virtual SCM get_music_list () const;
+};
- if (!mus->semi_fold_b_)
- done_count_ ++;
-
- if (alternative_cons_l_)
- {
- current_iter_p_ = get_iterator_p (alternative_cons_l_->car_);
- do_main_b_ = false;
- }
- else if (done_count_ < mus->repeats_i_ && !mus->semi_fold_b_)
- {
- current_iter_p_ = get_iterator_p (mus->repeat_body_p_);
- do_main_b_ = true;
- }
- }
- else
- {
- /*
- we're not in the main part. So we're either in an alternative, or
- we just finished.
- */
- if (alternative_cons_l_)
- {
- done_mom_ += alternative_cons_l_->car_->length_mom ();
-
- if (mus->semi_fold_b_ ||
- mus->repeats_i_ - done_count_ < alternative_count_i_)
- alternative_cons_l_ = alternative_cons_l_->next_;
-
- /*
- we've done the main body as well, but didn't go over the other
- increment. */
- if (mus->semi_fold_b_)
- done_count_ ++;
- }
-
- if (done_count_ < mus->repeats_i_ && alternative_cons_l_)
- {
- if (mus->semi_fold_b_)
- current_iter_p_ = get_iterator_p (alternative_cons_l_->car_);
- else
- {
- current_iter_p_ = get_iterator_p (mus->repeat_body_p_);
- do_main_b_ = true;
- }
- }
- }
-}
-
-
-bool
-Unfolded_repeat_iterator::ok () const
+SCM
+Unfolded_repeat_iterator::get_music_list () const
{
- return current_iter_p_ ;
-}
+ SCM l = SCM_EOL;
+ SCM *tail = &l;
-Moment
-Unfolded_repeat_iterator::next_moment () const
-{
- return done_mom_ + current_iter_p_->next_moment ();
-}
+ 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"));
-void
-Unfolded_repeat_iterator::construct_children ()
-{
- New_repeated_music const* mus =dynamic_cast<New_repeated_music const*> (music_l_);
- alternative_cons_l_ = (mus->alternatives_p_)
- ? mus->alternatives_p_->music_p_list_p_->head_
- : 0;
+ for (int i = 0; i < rep_count; i++)
+ {
+ if (unsmob_music (body))
+ *tail = scm_cons (body, SCM_EOL);
- for (Cons<Music> *p = alternative_cons_l_; p; p = p->next_)
- alternative_count_i_ ++;
+ tail = SCM_CDRLOC (*tail);
- if (mus->repeat_body_p_)
- {
- current_iter_p_ = get_iterator_p (mus->repeat_body_p_);
- do_main_b_ = true;
- }
- else if (alternative_cons_l_)
- {
- current_iter_p_ = get_iterator_p (alternative_cons_l_->car_);
- do_main_b_ = false;
- }
-}
+ if (alt_count)
+ {
+ *tail = scm_cons (scm_car (alts), SCM_EOL);
+ tail = SCM_CDRLOC (*tail);
+ if (i >= rep_count - alt_count)
-void
-Unfolded_repeat_iterator::do_process_and_next (Moment m)
-{
- if (!m)
- {
- bool success = report_to_l ()->try_music (music_l_);
- if (!success)
- music_l_->warning ( _("No one to print a volta bracket"));
+ alts = scm_cdr (alts);
+ }
}
- while (1)
- {
- while (!current_iter_p_->ok ())
- {
- next_element();
- if (!current_iter_p_)
- return;
- }
-
- if (m - done_mom_ >= current_iter_p_->next_moment ())
- current_iter_p_->process_and_next (m - done_mom_);
- else
- return;
- }
-}
-
-void
-Unfolded_repeat_iterator::do_print () const
-{
-#ifndef NPRINT
- DOUT << "count " << done_count_ << "done time " << done_mom_ << '\n';
- DOUT << "current: ";
- current_iter_p_->print();
-#endif
+ return l;
}
+
+IMPLEMENT_CTOR_CALLBACK (Unfolded_repeat_iterator);
projects / lilypond.git / blobdiff