source file of the GNU LilyPond music typesetter
- (c) 1996, 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "performer-group-performer.hh"
-#include "debug.hh"
+#include "context.hh"
+#include "audio-element.hh"
+#include "warn.hh"
+
+
+ENTER_DESCRIPTION (Performer_group_performer,
+/* descr */ "",
+/* creats*/ "",
+/* accepts */ "",
+/* acks */ "",
+/* reads */ "",
+/* write */ "");
+
-ADD_THIS_TRANSLATOR (Performer_group_performer);
void
Performer_group_performer::announce_element (Audio_element_info info)
{
- announce_info_arr_.push (info);
- Performer::announce_element (info);
+ announce_infos_.push (info);
+ Translator *t
+ = context ()->get_parent_context ()->implementation ();
+
+ if (Performer_group_performer * eg = dynamic_cast<Performer_group_performer*> (t))
+ eg->announce_element (info);
}
void
-Performer_group_performer::do_announces()
+Performer_group_performer::acknowledge_audio_elements ()
{
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
+ for (int j =0; j < announce_infos_.size (); j++)
{
- if (Performer_group_performer *trg = dynamic_cast <Performer_group_performer *> (p->car_))
- trg->do_announces ();
- }
-
-
- Request dummy_req;
+ Audio_element_info info = announce_infos_[j];
- while (announce_info_arr_.size ())
- {
- for (int j =0; j < announce_info_arr_.size(); j++)
+ for (SCM p = get_simple_trans_list (); scm_is_pair (p); p = ly_cdr (p))
{
- Audio_element_info info = announce_info_arr_[j];
-
- if (!info.req_l_)
- info.req_l_ = &dummy_req;
+ Translator * t = unsmob_translator (ly_car (p));
+ Performer * eng = dynamic_cast<Performer*> (t);
+ if (eng && eng!= info.origin_trans_)
+ eng->acknowledge_audio_element (info);
+ }
+ }
+}
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
- {
- if (!dynamic_cast <Performer_group_performer *> (p->car_))
- {
- Performer * eng = dynamic_cast<Performer*> (p->car_);
- // urg, huh? core dump?
- //if (eng && eng!= info.origin_trans_l_arr_[0])
- if (eng && info.origin_trans_l_arr_.size ()
- && eng!= info.origin_trans_l_arr_[0])
- eng->acknowledge_element (info);
- }
- }
- announce_info_arr_.clear ();
-
+void
+Performer_group_performer::do_announces ()
+{
+ while (1)
+ {
+ create_audio_elements ();
+ performer_each (get_simple_trans_list (),
+ &Performer::create_audio_elements);
+
+ if (!announce_infos_.size ())
+ break ;
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
- {
- if (!dynamic_cast <Performer_group_performer *> (p->car_))
- {
- Performer * eng = dynamic_cast<Performer*> (p->car_);
- if (eng)
- eng->process_acknowledged ();
- }
- }
- }
+ acknowledge_audio_elements ();
+ announce_infos_.clear ();
}
}
+Performer_group_performer::Performer_group_performer ()
+{
+}
+
+
+void
+performer_each (SCM list, Performer_method method)
+{
+ for (SCM p = list; scm_is_pair (p); p = ly_cdr (p))
+ {
+ Performer * e = dynamic_cast<Performer*>(unsmob_translator (ly_car (p)));
+ if (e)
+ (e->*method) ();
+ }
+}