-/*
- folded-repeat-iterator.cc -- implement Folded_repeat_iterator
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ folded-repeat-iterator.cc -- implement Folded_repeat_iterator
+ source file of the GNU LilyPond music typesetter
-/*
- Folded repeats are a stupid idea at this point, so we refrain from
- implementing get_pending_events () and skip ().
+ (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "folded-repeat-iterator.hh"
+
+#include "context.hh"
+#include "input.hh"
+#include "international.hh"
#include "repeated-music.hh"
-#include "music-list.hh"
#include "simultaneous-music-iterator.hh"
-#include "translator-group.hh"
Folded_repeat_iterator::Folded_repeat_iterator ()
{
return main_iter_ || alternative_iter_;
}
void
-Folded_repeat_iterator::do_quit()
-{
- if (main_iter_)main_iter_->quit();
- if (alternative_iter_)alternative_iter_->quit();
-}
-
-Folded_repeat_iterator::Folded_repeat_iterator (Folded_repeat_iterator const &src)
- : Music_iterator (src)
+Folded_repeat_iterator::do_quit ()
{
- main_iter_ = 0;
- alternative_iter_ = 0;
- main_length_mom_ = src.main_length_mom_;
-
- if (src.alternative_iter_)
- alternative_iter_ = src.alternative_iter_->clone ();
- if (src.main_iter_)
- main_iter_ = src.main_iter_->clone ();
-
- if (main_iter_)
- scm_gc_unprotect_object (main_iter_->self_scm());
- if (alternative_iter_)
- scm_gc_unprotect_object (alternative_iter_->self_scm());
+ if (main_iter_)main_iter_->quit ();
+ if (alternative_iter_)alternative_iter_->quit ();
}
Moment
Folded_repeat_iterator::pending_moment () const
{
if (main_iter_)
- {
- return main_iter_->pending_moment ();
- }
+ return main_iter_->pending_moment ();
else
return main_length_mom_ + alternative_iter_->pending_moment ();
}
void
Folded_repeat_iterator::construct_children ()
{
- Repeated_music * mus = dynamic_cast<Repeated_music*> (get_music ());
- main_iter_ = unsmob_iterator (get_iterator (mus->body ()));
+ Music *mus = get_music ();
+ main_iter_ = unsmob_iterator (get_iterator (Repeated_music::body (mus)));
if (!main_iter_->ok ())
{
leave_body ();
void
Folded_repeat_iterator::process (Moment m)
{
- if (!m.to_bool () )
- {
- bool success = try_music (get_music ());
- if (!success)
- get_music ()->origin ()->warning (_ ("no one to print a repeat brace"));
- }
-
if (main_iter_)
{
main_iter_->process (m);
}
if (!main_iter_ && !alternative_iter_)
- {
- enter_alternative ();
- }
-
+ enter_alternative ();
+
if (alternative_iter_)
{
alternative_iter_->process (m - main_length_mom_);
if (!alternative_iter_->ok ())
{
- alternative_iter_->quit();
- alternative_iter_ =0;
+ alternative_iter_->quit ();
+ alternative_iter_ = 0;
}
}
}
void
Folded_repeat_iterator::leave_body ()
{
- Repeated_music * mus = dynamic_cast<Repeated_music *> (get_music ());
+ Music *mus = get_music ();
main_iter_->quit ();
main_iter_ = 0;
- main_length_mom_ += mus->body ()->get_length ();
+ main_length_mom_ += Repeated_music::body (mus)->get_length ();
}
void
Folded_repeat_iterator::enter_alternative ()
{
- Repeated_music * mus = dynamic_cast<Repeated_music *> (get_music ());
- if (mus->alternatives ())
+ Music *mus = get_music ();
+ if (scm_is_pair (Repeated_music::alternatives (mus)))
{
/*
ugh.
- */
- Simultaneous_music_iterator * s = new Simultaneous_music_iterator;
- s->separate_contexts_b_ = true;
- s->init_translator (mus, report_to ());
-
+ */
+ Simultaneous_music_iterator *s = new Simultaneous_music_iterator;
+ s->create_separate_contexts_ = true;
+ s->init_context (mus, get_outlet ());
+
alternative_iter_ = s;
alternative_iter_->construct_children ();
- scm_gc_unprotect_object (s->self_scm());
+ s->unprotect ();
}
}
-
-Music_iterator*
-Folded_repeat_iterator::try_music_in_children (Music * m) const
+void
+Folded_repeat_iterator::derived_mark () const
{
if (main_iter_)
- {
- return main_iter_->try_music (m);
- }
+ scm_gc_mark (main_iter_->self_scm ());
if (alternative_iter_)
- return alternative_iter_->try_music (m);
- return 0;
+ scm_gc_mark (alternative_iter_->self_scm ());
}
+
void
-Folded_repeat_iterator::derived_mark()const
+Folded_repeat_iterator::derived_substitute (Context *f, Context *t)
{
if (main_iter_)
- scm_gc_mark (main_iter_->self_scm());
+ main_iter_->substitute_outlet (f, t);
if (alternative_iter_)
- scm_gc_mark (alternative_iter_->self_scm());
+ alternative_iter_->substitute_outlet (f, t);
}
+
IMPLEMENT_CTOR_CALLBACK (Folded_repeat_iterator);