source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "translator-group.hh"
Simultaneous_music_iterator::Simultaneous_music_iterator ()
{
+ separate_contexts_b_ = false;
+}
+
+Simultaneous_music_iterator::Simultaneous_music_iterator (Simultaneous_music_iterator const& src)
+ : Music_iterator (src)
+{
+ separate_contexts_b_ = src.separate_contexts_b_;
+ 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));
+ }
}
Simultaneous_music_iterator::~Simultaneous_music_iterator ()
children_p_list_.junk ();
}
+SCM
+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 (m), s);
+ }
+ return s;
+}
+
void
Simultaneous_music_iterator::construct_children()
{
int j = 0;
- Simultaneous_music const *sim = dynamic_cast<Simultaneous_music const*> (music_l_);
- for (PCursor<Music*> i (sim->music_p_list_p_->top());
- i.ok(); j++, i++)
+ 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++)
{
- Music_iterator * mi = get_iterator_p (i.ptr());
+ Music *mus = unsmob_music (gh_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_,
+ to_str (j))
+ : report_to_l ();
+
+ if (!t)
+ t = report_to_l ();
+
+ mi->init_translator (mus, t);
+ mi->construct_children ();
+
if (mi->ok())
{
- if (sim->translator_type_str_.empty_b ())
- set_translator (mi->report_to_l()->ancestor_l (0)); // huh?
children_p_list_.append (new Killing_cons<Music_iterator> (mi,0));
}
else
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_and_next (Moment until)
+Simultaneous_music_iterator::skip (Moment until)
{
- for (Cons<Music_iterator> **pp = &children_p_list_.head_; *pp; )
+ 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_and_next (until);
+ i->skip (until);
}
if (!i->ok())
delete children_p_list_.remove_cons (pp);
else
pp = &(*pp)->next_;
}
- Music_iterator::do_process_and_next (until);
}
-
-
-
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;
}
return children_p_list_.head_;
}
+Music_iterator*
+Simultaneous_music_iterator::try_music_in_children (Music *m) const
+{
+ Music_iterator * b=0;
+ for (Cons<Music_iterator> *p = children_p_list_.head_; !b && p; p = p->next_)
+ b =p->car_->try_music (m);
+ return b;
+}
+
+
+
+IMPLEMENT_CTOR_CALLBACK(Simultaneous_music_iterator);