source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "translator-group.hh"
-#include "debug.hh"
+#include "warn.hh"
#include "simultaneous-music-iterator.hh"
#include "music-list.hh"
#include "killing-cons.tcc"
+
Simultaneous_music_iterator::Simultaneous_music_iterator ()
{
separate_contexts_b_ = false;
- cursor_i_ = 0;
}
Simultaneous_music_iterator::Simultaneous_music_iterator (Simultaneous_music_iterator const& src)
: Music_iterator (src)
{
- cursor_i_ = src.cursor_i_;
separate_contexts_b_ = src.separate_contexts_b_;
- for (Cons<Music_iterator> *p = children_p_list_.head_; p; p = p->next_)
+ for (Cons<Music_iterator> *p = src.children_p_list_.head_; p; p = p->next_)
{
Music_iterator *i = p->car_;
children_p_list_.append (new Killing_cons<Music_iterator> (i->clone (), 0));
children_p_list_.junk ();
}
-bool
-Simultaneous_music_iterator::next ()
-{
- for (Cons<Music_iterator> **pp = &children_p_list_.head_; *pp;)
- {
- Music_iterator *i = (*pp)->car_;
- if (i->ok ())
- i->next ();
- if (!i->ok ())
- delete children_p_list_.remove_cons (pp);
- else
- pp = &(*pp)->next_;
- }
- return ok ();
-}
-
SCM
-Simultaneous_music_iterator::get_music ()
+Simultaneous_music_iterator::get_music (Moment m)const
{
SCM s = SCM_EOL;
for (Cons<Music_iterator> *p = children_p_list_.head_; p; p = p->next_)
{
- s = gh_append2 (p->car_->get_music (), s);
+ s = gh_append2 (p->car_->get_music (m), s);
}
return s;
}
void
-Simultaneous_music_iterator::construct_children()
+Simultaneous_music_iterator::construct_children ()
{
int j = 0;
- Music_sequence const *sim = dynamic_cast<Music_sequence const*> (music_l_);
- SCM i = sim->music_list ();
- for (; gh_pair_p(i); i = gh_cdr(i), j++)
+ SCM i = music_l ()->get_mus_property ("elements");
+ for (; gh_pair_p (i); i = ly_cdr (i), j++)
{
- Music *mus = unsmob_music (gh_car (i));
+ Music *mus = unsmob_music (ly_car (i));
Music_iterator * mi = static_get_iterator_p (mus);
/* if separate_contexts_b_ is set, create a new context with the
number number as name */
Translator_group * t = (j && separate_contexts_b_)
- ? report_to_l ()->find_create_translator_l (report_to_l()->type_str_,
+ ? report_to_l ()->find_create_translator_l (report_to_l ()->type_str_,
to_str (j))
: report_to_l ();
mi->init_translator (mus, t);
mi->construct_children ();
- if (mi->ok())
+ if (mi->ok ())
{
children_p_list_.append (new Killing_cons<Music_iterator> (mi,0));
}
}
}
+
void
-Simultaneous_music_iterator::do_print() const
+Simultaneous_music_iterator::process (Moment until)
{
-#ifndef NPRINT
- for (Cons<Music_iterator> *p = children_p_list_.head_; p; p = p->next_)
- p->car_->print();
-#endif
+ for (Cons<Music_iterator> **pp = &children_p_list_.head_; *pp;)
+ {
+ Music_iterator * i = (*pp)->car_;
+ if (i->pending_moment () == until)
+ {
+ i->process (until);
+ }
+ if (!i->ok ())
+ delete children_p_list_.remove_cons (pp);
+ else
+ pp = & (*pp)->next_;
+ }
}
void
-Simultaneous_music_iterator::do_process (Moment until)
+Simultaneous_music_iterator::skip (Moment until)
{
-#if 1
for (Cons<Music_iterator> **pp = &children_p_list_.head_; *pp;)
{
Music_iterator * i = (*pp)->car_;
- if (i->next_moment() == until)
+ if (i->pending_moment () <= until)
{
- i->process (until);
+ i->skip (until);
}
- if (!i->ok())
+ if (!i->ok ())
delete children_p_list_.remove_cons (pp);
else
- pp = &(*pp)->next_;
+ pp = & (*pp)->next_;
}
- Music_iterator::do_process (until);
-#endif
}
Moment
-Simultaneous_music_iterator::next_moment() const
+Simultaneous_music_iterator::pending_moment () const
{
Moment next;
next.set_infinite (1);
for (Cons<Music_iterator> *p = children_p_list_.head_; p; p = p->next_)
- next = next <? p->car_->next_moment() ;
+ next = next <? p->car_->pending_moment () ;
return next;
}
bool
-Simultaneous_music_iterator::ok() const
+Simultaneous_music_iterator::ok () const
{
return children_p_list_.head_;
}
b =p->car_->try_music (m);
return b;
}
+
+
+
+IMPLEMENT_CTOR_CALLBACK (Simultaneous_music_iterator);