-/*
- music-wrapper-iterator.cc -- implement
-
+/*
+ music-wrapper-iterator.cc -- implement Music_wrapper_iterator
+
source file of the GNU LilyPond music typesetter
-
- (c) 1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+ (c) 1998--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#include "music-wrapper-iterator.hh"
#include "music-wrapper.hh"
+#include "music.hh"
-Music_wrapper_iterator::Music_wrapper_iterator (Music_wrapper *r)
+Music_wrapper_iterator::Music_wrapper_iterator ()
{
- child_iter_p_ =0;
- music_l_ = r;
+ child_iter_ = 0;
}
-IMPLEMENT_IS_TYPE_B1(Music_wrapper_iterator, Music_iterator);
-
void
-Music_wrapper_iterator::do_print () const
+Music_wrapper_iterator::do_quit ()
{
- child_iter_p_->print ();
+ if (child_iter_)
+ child_iter_->quit ();
}
void
-Music_wrapper_iterator::construct_children ()
+Music_wrapper_iterator::derived_mark () const
{
- child_iter_p_ = get_iterator_p (music_l_->element_p_);
+ if (child_iter_)
+ scm_gc_mark (child_iter_->self_scm ());
}
-Music_wrapper_iterator::~Music_wrapper_iterator ()
+void
+Music_wrapper_iterator::derived_substitute (Context *f, Context *t)
{
- delete child_iter_p_;
+ if (child_iter_)
+ child_iter_->substitute_outlet (f, t);
}
+void
+Music_wrapper_iterator::construct_children ()
+{
+ Music *my_music = get_music ();
+ Music *child = unsmob_music (my_music->get_property ("element"));
+ child_iter_ = (child)
+ ? unsmob_iterator (get_iterator (child))
+ : 0;
+}
bool
Music_wrapper_iterator::ok () const
{
- return child_iter_p_->ok ();
+ return child_iter_ && child_iter_->ok ();
}
void
-Music_wrapper_iterator::process_and_next (Moment m)
+Music_wrapper_iterator::process (Moment m)
{
- child_iter_p_->process_and_next (m);
- Music_iterator::process_and_next (m);
+ if (child_iter_)
+ child_iter_->process (m);
}
Moment
-Music_wrapper_iterator::next_moment () const
+Music_wrapper_iterator::pending_moment () const
{
- return child_iter_p_->next_moment ();
+ if (child_iter_)
+ return child_iter_->pending_moment ();
+ else
+ return Music_iterator::pending_moment ();
}
+IMPLEMENT_CTOR_CALLBACK (Music_wrapper_iterator);
+
+bool
+Music_wrapper_iterator::run_always () const
+{
+ return (child_iter_ && child_iter_->run_always ());
+}