/*
- repeated-music-iterator.cc -- implement Folded_repeat_iterator
+ folded-repeat-iterator.cc -- implement Folded_repeat_iterator
source file of the GNU LilyPond music typesetter
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-/*
- Folded repeats are a stupid idea at this point, so we refrain from
- implementing get_music () and skip ().
-*/
-
#include "folded-repeat-iterator.hh"
#include "repeated-music.hh"
#include "music-list.hh"
Folded_repeat_iterator::Folded_repeat_iterator ()
{
- main_iter_p_ = 0;
- alternative_iter_p_ = 0;
+ main_iter_ = 0;
+ alternative_iter_ = 0;
}
bool
Folded_repeat_iterator::ok () const
{
- return main_iter_p_ || alternative_iter_p_;
-}
-
-Folded_repeat_iterator::~Folded_repeat_iterator ()
-{
- delete main_iter_p_;
- delete alternative_iter_p_;
+ return main_iter_ || alternative_iter_;
}
-
-Folded_repeat_iterator::Folded_repeat_iterator (Folded_repeat_iterator const &src)
- : Music_iterator (src)
+void
+Folded_repeat_iterator::do_quit()
{
- main_iter_p_ = src.main_iter_p_ ? src.main_iter_p_->clone () : 0;
- alternative_iter_p_ = src.alternative_iter_p_ ? src.alternative_iter_p_->clone () : 0;
- main_length_mom_ = src.main_length_mom_;
+ if (main_iter_)main_iter_->quit();
+ if (alternative_iter_)alternative_iter_->quit();
}
Moment
Folded_repeat_iterator::pending_moment () const
{
- if (main_iter_p_)
+ if (main_iter_)
{
- return main_iter_p_->pending_moment ();
+ return main_iter_->pending_moment ();
}
else
- return main_length_mom_ + alternative_iter_p_->pending_moment ();
+ return main_length_mom_ + alternative_iter_->pending_moment ();
}
void
Folded_repeat_iterator::construct_children ()
{
- Repeated_music * mus = dynamic_cast<Repeated_music*> (music_l_);
- main_iter_p_ = get_iterator_p (mus->body ());
- if (!main_iter_p_->ok())
+ Repeated_music * mus = dynamic_cast<Repeated_music*> (get_music ());
+ main_iter_ = unsmob_iterator (get_iterator (mus->body ()));
+ if (!main_iter_->ok ())
{
- leave_body ();
+ leave_body ();
enter_alternative ();
}
}
void
Folded_repeat_iterator::process (Moment m)
{
- if (!m)
+ if (!m.to_bool () )
{
- bool success = try_music (music_l_);
+ bool success = try_music (get_music ());
if (!success)
- music_l_->origin ()->warning ( _("no one to print a repeat brace"));
+ get_music ()->origin ()->warning (_ ("no one to print a repeat brace"));
}
- if (main_iter_p_)
+ if (main_iter_)
{
- main_iter_p_->process (m);
- if (!main_iter_p_->ok ())
+ main_iter_->process (m);
+ if (!main_iter_->ok ())
leave_body ();
}
- if (!main_iter_p_ && !alternative_iter_p_)
+ if (!main_iter_ && !alternative_iter_)
{
enter_alternative ();
}
- if (alternative_iter_p_)
+ if (alternative_iter_)
{
- alternative_iter_p_->process (m - main_length_mom_);
- if (!alternative_iter_p_->ok ())
+ alternative_iter_->process (m - main_length_mom_);
+ if (!alternative_iter_->ok ())
{
- delete alternative_iter_p_;
- alternative_iter_p_ =0;
+ alternative_iter_->quit();
+ alternative_iter_ =0;
}
}
}
void
Folded_repeat_iterator::leave_body ()
{
- Repeated_music * mus = dynamic_cast<Repeated_music *> (music_l_);
- delete main_iter_p_;
- main_iter_p_ = 0;
- main_length_mom_ += mus->body ()->length_mom ();
+ Repeated_music * mus = dynamic_cast<Repeated_music *> (get_music ());
+
+ main_iter_->quit ();
+ main_iter_ = 0;
+ main_length_mom_ += mus->body ()->get_length ();
}
void
Folded_repeat_iterator::enter_alternative ()
{
- Repeated_music * mus = dynamic_cast<Repeated_music *> (music_l_);
+ Repeated_music * mus = dynamic_cast<Repeated_music *> (get_music ());
if (mus->alternatives ())
{
+ /*
+ ugh.
+ */
Simultaneous_music_iterator * s = new Simultaneous_music_iterator;
s->separate_contexts_b_ = true;
- s->init_translator (mus->alternatives (), report_to_l ());
-
- alternative_iter_p_ = s;
- alternative_iter_p_->construct_children ();
+ s->init_translator (mus, get_outlet ());
+
+ alternative_iter_ = s;
+ alternative_iter_->construct_children ();
+
+ scm_gc_unprotect_object (s->self_scm());
}
}
Music_iterator*
Folded_repeat_iterator::try_music_in_children (Music * m) const
{
- if (main_iter_p_)
+ if (main_iter_)
{
- return main_iter_p_->try_music (m);
+ return main_iter_->try_music (m);
}
- if (alternative_iter_p_)
- return alternative_iter_p_->try_music (m);
+ if (alternative_iter_)
+ return alternative_iter_->try_music (m);
return 0;
}
+void
+Folded_repeat_iterator::derived_mark()const
+{
+ if (main_iter_)
+ scm_gc_mark (main_iter_->self_scm());
+ if (alternative_iter_)
+ scm_gc_mark (alternative_iter_->self_scm());
+}
+
+void
+Folded_repeat_iterator::derived_substitute (Translator_group*f, Translator_group*t)
+{
+ if (main_iter_)
+ main_iter_->substitute_outlet (f,t);
+ if (alternative_iter_)
+ alternative_iter_->substitute_outlet (f,t);
+}
-IMPLEMENT_CTOR_CALLBACK(Folded_repeat_iterator);
+IMPLEMENT_CTOR_CALLBACK (Folded_repeat_iterator);