/*
performer-group-performer.cc -- implement Performer_group_performer
- (c) 1996, 1997 Han-Wen Nienhuys <hanwen@stack.nl>
- Jan Nieuwenhuizen <jan@digicash.com>
- */
+ source file of the GNU LilyPond music typesetter
-#include "performer-group-performer.hh"
-#include "input-translator.hh"
-#include "debug.hh"
-
-IMPLEMENT_IS_TYPE_B2(Performer_group_performer,Performer, Translator);
+ (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
+*/
-ADD_THIS_PERFORMER(Performer_group_performer);
+#include "performer-group-performer.hh"
-Performer_group_performer::Performer_group_performer()
-{
-}
+#include "context.hh"
+#include "audio-element.hh"
+#include "warn.hh"
-Performer_group_performer::~Performer_group_performer()
-{
-}
+ADD_TRANSLATOR_GROUP (Performer_group_performer,
+ /* doc */ "",
+ /* create */ "",
+ /* accept */ "",
+ /* read */ "",
+ /* write */ "");
void
-Performer_group_performer::add( Performer *perf_p )
-{
- perf_p_list_.bottom().add(perf_p);
- perf_p->daddy_perf_l_ = this;
-
- if (perf_p->is_type_b(Performer_group_performer::static_name())) {
- group_l_arr_.push((Performer_group_performer*)perf_p);
- } else {
- nongroup_l_arr_ .push(perf_p);
- }
-}
-
-Translator*
-Performer_group_performer::ancestor_l( int l )
+Performer_group_performer::announce_element (Audio_element_info info)
{
- if (!l || !daddy_perf_l_)
- return this;
-
- return daddy_perf_l_->ancestor_l( l - 1 );
-}
+ announce_infos_.push (info);
+ Translator_group *t
+ = context ()->get_parent_context ()->implementation ();
-int
-Performer_group_performer::depth_i() const
-{
- return daddy_perf_l_->depth_i() + 1;
+ if (Performer_group_performer *eg = dynamic_cast<Performer_group_performer *> (t))
+ eg->announce_element (info);
}
-Translator*
-Performer_group_performer::find_get_translator_l( String n,String id )
+void
+Performer_group_performer::acknowledge_audio_elements ()
{
- Translator * ret=0;
- Input_translator* itrans_l= itrans_l_-> recursive_find ( n );
- if (itrans_l ) {
- ret = find_performer_l(n,id);
- if (!ret) {
- Performer_group_performer * group =
- itrans_l-> get_group_performer_p();
-
- add(group);
- ret = group;
-
- if (group->itrans_l_->is_name_b( n ) )
- ret ->id_str_ = id;
- else
- return ret->find_get_translator_l(n,id);
-
+ for (int j = 0; j < announce_infos_.size (); j++)
+ {
+ 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 (scm_car (p));
+ Performer *eng = dynamic_cast<Performer *> (t);
+ if (eng && eng != info.origin_trans_)
+ eng->acknowledge_audio_element (info);
}
- } else if (daddy_perf_l_)
- ret =daddy_perf_l_->find_get_translator_l(n,id);
- else {
- warning("Can't find or create `" + n + "' called `" + id + "'\n");
- ret =0;
}
- return ret;
}
-Performer_group_performer*
-Performer_group_performer::find_performer_l( String n, String id )
+void
+performer_each (SCM list, Performer_method method)
{
- if (name() == n && id_str_ == id)
- return this;
- Performer_group_performer * r = 0;
- for (int i =0; !r && i< group_l_arr_.size(); i++) {
- r = group_l_arr_[i]->find_performer_l(n,id);
+ 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) ();
}
-
- return r;
-}
-
-Translator*
-Performer_group_performer::get_default_interpreter()
-{
- // ?
- if ( is_bottom_performer_b() )
- return daddy_perf_l_->get_default_interpreter();
-
- Performer_group_performer *perf_p= itrans_l_->
- get_default_itrans_l()->get_group_performer_p();
- add(perf_p );
- if (perf_p->is_bottom_performer_b())
- return perf_p;
- else
- return perf_p->get_default_interpreter();
-}
-
-Moment
-Performer_group_performer::get_mom() const
-{
- Moment mom = Performer::get_mom();
-
- for ( int i = 0; i < nongroup_l_arr_.size(); i++ )
- nongroup_l_arr_[ i ]->set( mom );
-
- return mom;
}
-bool
-Performer_group_performer::is_bottom_performer_b() const
-{
- return !itrans_l_->get_default_itrans_l();
-}
-
-
void
-Performer_group_performer::process_requests()
+Performer_group_performer::do_announces ()
{
- for ( PCursor<Performer*> i( perf_p_list_.top() ); i.ok(); i++ )
- i->process_requests();
-}
+ while (1)
+ {
+ performer_each (get_simple_trans_list (),
+ &Performer::create_audio_elements);
-bool
-Performer_group_performer::do_try_request( Request* req_l )
-{
- bool hebbes_b =false;
- for (int i =0; !hebbes_b && i < nongroup_l_arr_.size() ; i++)
- hebbes_b =nongroup_l_arr_[i]->try_request(req_l);
- if ( !hebbes_b && daddy_perf_l_ )
- hebbes_b = daddy_perf_l_->try_request(req_l);
- return hebbes_b ;
-}
+ if (!announce_infos_.size ())
+ break;
-void
-Performer_group_performer::do_print()const
-{
-#ifndef NPRINT
- for ( PCursor<Performer*> i( perf_p_list_.top() ); i.ok(); i++ )
- i->print();
-#endif
+ acknowledge_audio_elements ();
+ announce_infos_.clear ();
+ }
}
void
-Performer_group_performer::do_creation_processing()
+Performer_group_performer::play_element (Audio_element *e)
{
- for ( PCursor<Performer*> i( perf_p_list_.top() ); i.ok(); i++ )
- i->creation_processing();
+ Context *c = context_->get_parent_context ();
+ if (c)
+ {
+ Performer_group_performer *pgp = dynamic_cast<Performer_group_performer *> (c->implementation ());
+ pgp->play_element (e);
+ }
}
-void
-Performer_group_performer::do_removal_processing()
+int
+Performer_group_performer::get_tempo () const
{
- for ( PCursor<Performer*> i( perf_p_list_.top() ); i.ok(); i++ )
- i->do_removal_processing();
+ Context *c = context_->get_parent_context ();
+ if (c)
+ {
+ Performer_group_performer *pgp = dynamic_cast<Performer_group_performer *> (c->implementation ());
+ return pgp->get_tempo ();
+ }
+ return 60;
}
+
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