/*
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
+
+ (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "performer-group-performer.hh"
-#include "input-translator.hh"
-#include "debug.hh"
+#include "context.hh"
+#include "audio-element.hh"
+#include "warn.hh"
-IMPLEMENT_IS_TYPE_B2(Performer_group_performer,Performer, Translator);
-IMPLEMENT_STATIC_NAME(Performer_group_performer);
-ADD_THIS_PERFORMER(Performer_group_performer);
-Performer_group_performer::Performer_group_performer()
-{
-}
+ENTER_DESCRIPTION (Performer_group_performer,
+/* descr */ "",
+/* creats*/ "",
+/* accepts */ "",
+/* acks */ "",
+/* reads */ "",
+/* write */ "");
-Performer_group_performer::~Performer_group_performer()
-{
-}
-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 )
+void
+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 *t
+ = unsmob_translator (daddy_context_->daddy_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 (); gh_pair_p (p); p = ly_cdr (p))
+ {
+ Translator * t = unsmob_translator (ly_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_group_performer::do_announces ()
{
- 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);
+ 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 ();
}
-
- 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::midi_output( Midi_stream* midi_stream_l )
+Performer_group_performer::Performer_group_performer ()
{
- for ( PCursor<Performer*> i( perf_p_list_.top() ); i.ok(); i++ )
- i->midi_output( midi_stream_l );
}
-void
-Performer_group_performer::process_requests()
-{
- for ( PCursor<Performer*> i( perf_p_list_.top() ); i.ok(); i++ )
- i->process_requests();
-}
void
-Performer_group_performer::set_track( Midi_def* midi_l, int& track_i_r )
+performer_each (SCM list, Performer_method method)
{
- for ( PCursor<Performer*> i( perf_p_list_.top() ); i.ok(); i++ )
- i->set_track( midi_l, track_i_r );
-}
-
-bool
-Performer_group_performer::try_request( Request* req_l )
-{
-// return Performer::try_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)
- if ( !hebbes_b && daddy_perf_l_ )
- hebbes_b = daddy_perf_l_->try_request(req_l);
- return hebbes_b ;
+ for (SCM p = list; gh_pair_p (p); p = ly_cdr (p))
+ {
+ Performer * e = dynamic_cast<Performer*>(unsmob_translator (ly_car (p)));
+ if (e)
+ (e->*method) ();
+ }
}
-