source file of the GNU LilyPond music typesetter
- (c) 1996, 1997 Han-Wen Nienhuys <hanwen@stack.nl>
- Jan Nieuwenhuizen <jan@digicash.com>
+ (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);
-ADD_THIS_PERFORMER(Performer_group_performer);
-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);
- }
-}
+ENTER_DESCRIPTION (Performer_group_performer,
+/* descr */ "",
+/* creats*/ "",
+/* accepts */ "",
+/* acks */ "",
+/* reads */ "",
+/* write */ "");
-Translator*
-Performer_group_performer::ancestor_l (int l)
-{
- if (!l || !daddy_perf_l_)
- return this;
-
- return daddy_perf_l_->ancestor_l (l - 1);
-}
-int
-Performer_group_performer::depth_i() const
-{
- return daddy_perf_l_->depth_i() + 1;
-}
void
-Performer_group_performer::do_creation_processing()
+Performer_group_performer::announce_element (Audio_element_info info)
{
- for ( PCursor<Performer*> i (perf_p_list_.top()); i.ok (); i++ )
- i->creation_processing();
-}
+ announce_infos_.push (info);
+ Translator *t
+ = context ()->get_parent_context ()->implementation ();
-void
-Performer_group_performer::do_print()const
-{
-#ifndef NPRINT
- if ( !check_debug)
- return ;
- for ( PCursor<Performer*> i (perf_p_list_.top()); i.ok (); i++ )
- i->print();
-#endif
+ if (Performer_group_performer * eg = dynamic_cast<Performer_group_performer*> (t))
+ eg->announce_element (info);
}
void
-Performer_group_performer::do_removal_processing()
+Performer_group_performer::acknowledge_audio_elements ()
{
- for ( PCursor<Performer*> i (perf_p_list_.top()); i.ok (); i++ )
- i->do_removal_processing();
-}
-
-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 ;
-}
-
-Translator*
-Performer_group_performer::find_get_translator_l (String n,String id)
-{
- Translator * ret=0;
- Input_translator* itrans_l= itrans_l_-> recursive_find ( n);
- if (itrans_l)
+ for (int j =0; j < announce_infos_.size (); j++)
{
- 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);
-
- }
+ Audio_element_info info = announce_infos_[j];
+
+ for (SCM p = get_simple_trans_list (); scm_is_pair (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++)
+ while (1)
{
- r = group_l_arr_[i]->find_performer_l (n,id);
- }
+ create_audio_elements ();
+ performer_each (get_simple_trans_list (),
+ &Performer::create_audio_elements);
- 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();
+ if (!announce_infos_.size ())
+ break ;
+
+ acknowledge_audio_elements ();
+ announce_infos_.clear ();
+ }
}
-bool
-Performer_group_performer::is_bottom_performer_b() const
+Performer_group_performer::Performer_group_performer ()
{
- return !itrans_l_->get_default_itrans_l();
}
-void
-Performer_group_performer::print() const
-{
- Performer::print();
-}
void
-Performer_group_performer::process_requests()
+performer_each (SCM list, Performer_method method)
{
- for ( PCursor<Performer*> i (perf_p_list_.top()); i.ok (); i++ )
- i->process_requests();
-}
-
-bool
-Performer_group_performer::try_request (Request* r)
-{
- return Performer::try_request (r);
+ 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) ();
+ }
}