source file of the GNU LilyPond music typesetter
- (c) 1996--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- Jan Nieuwenhuizen <janneke@gnu.org>
- */
+ (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
+*/
#include "performer-group-performer.hh"
-#include "debug.hh"
-
-
-ADD_THIS_TRANSLATOR(Performer_group_performer);
+#include "context.hh"
+#include "audio-element.hh"
+#include "warn.hh"
+ADD_TRANSLATOR (Performer_group_performer,
+ /* descr */ "",
+ /* creats*/ "",
+ /* accepts */ "",
+ /* acks */ "",
+ /* reads */ "",
+ /* write */ "");
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 (SCM p = trans_group_list_; gh_pair_p (p); p =gh_cdr ( p))
- {
- Translator * t = unsmob_translator (gh_car (p));
- dynamic_cast<Performer_group_performer*> (t)->do_announces ();
- }
-
- while (announce_info_arr_.size ())
+ for (int j = 0; j < announce_infos_.size (); j++)
{
- for (int j =0; j < announce_info_arr_.size(); j++)
- {
- Audio_element_info info = announce_info_arr_[j];
-
- for (SCM p = simple_trans_list_; gh_pair_p (p); p = gh_cdr (p))
- {
- Translator * t = unsmob_translator (gh_car (p));
- Performer * eng = dynamic_cast<Performer*> (t);
- if (eng && eng!= info.origin_trans_l_)
- eng->acknowledge_element (info);
- }
- }
- announce_info_arr_.clear ();
- for (SCM p = simple_trans_list_; gh_pair_p (p); p = gh_cdr ( p))
+ Audio_element_info info = announce_infos_[j];
+
+ for (SCM p = get_simple_trans_list (); scm_is_pair (p); p = scm_cdr (p))
{
- Translator * t = unsmob_translator (gh_car (p));
- Performer * eng = dynamic_cast<Performer*> (t);
- if (eng)
- eng->process_acknowledged ();
+ Translator *t = unsmob_translator (scm_car (p));
+ Performer *eng = dynamic_cast<Performer *> (t);
+ if (eng && eng != info.origin_trans_)
+ eng->acknowledge_audio_element (info);
}
}
}
+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;
+ 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 = scm_cdr (p))
+ {
+ Performer *e = dynamic_cast<Performer *> (unsmob_translator (scm_car (p)));
+ if (e)
+ (e->*method) ();
+ }
+}