/*
- engravergroup.cc -- implement Engraver_group_engraver
+ engraver-group.cc -- implement Engraver_group
source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "proto.hh"
-#include "plist.hh"
+#include "context.hh"
+#include "dispatcher.hh"
#include "engraver-group.hh"
-#include "engraver.hh"
-#include "debug.hh"
-#include "p-score.hh"
-#include "score-elem.hh"
-#include "input-translator.hh"
-
-Engraver* get_engraver_p (String);
+#include "grob.hh"
+#include "paper-score.hh"
+#include "translator-dispatch-list.hh"
+#include "warn.hh"
+IMPLEMENT_LISTENER (Engraver_group, override);
void
-Engraver_group_engraver::print()const
-{
- Engraver::print();
-}
-
-Engraver_group_engraver::~Engraver_group_engraver()
+Engraver_group::override (SCM sev)
{
- assert (removable_b());
+ Stream_event *ev = unsmob_stream_event (sev);
+
+ sloppy_general_pushpop_property (context (),
+ ev->get_property ("symbol"),
+ ev->get_property ("property-path"),
+ ev->get_property ("value"));
}
+IMPLEMENT_LISTENER (Engraver_group, revert);
void
-Engraver_group_engraver::check_removal()
+Engraver_group::revert (SCM sev)
{
- for (int i =0; i < group_l_arr_.size();) {
- group_l_arr_[i]->check_removal();
- if (group_l_arr_[i]->removable_b())
- terminate_engraver (group_l_arr_[i]);
- else
- i++;
- }
-}
-
-bool
-Engraver_group_engraver::removable_b()const
-{
- return !iterator_count_&& !group_l_arr_.size() ;
-}
-
-Engraver_group_engraver::Engraver_group_engraver()
-{
- itrans_l_ = 0;
+ Stream_event *ev = unsmob_stream_event (sev);
+
+ sloppy_general_pushpop_property (context (),
+ ev->get_property ("symbol"),
+ ev->get_property ("property-path"),
+ SCM_UNDEFINED);
}
void
-Engraver_group_engraver::set_feature (Feature d)
+Engraver_group::connect_to_context (Context *c)
{
- PCursor<Engraver*> i (grav_list_.top());
- // why the while construct?
- while (i.ok()) {
- // this construction to ensure clean deletion
- Engraver *grav_l = i++;
- grav_l->set_feature (d);
- }
-}
-
-void
-Engraver_group_engraver::sync_features()
-{
- PCursor<Engraver*> i (grav_list_.top());
- while (i.ok()) {
- Engraver *grav_l = i++;
- grav_l->sync_features();
- }
-}
-
-void
-Engraver_group_engraver::do_pre_move_processing()
-{
- PCursor<Engraver*> i (grav_list_.top());
- while (i.ok()) {
- Engraver *grav_l = i++;
- grav_l->pre_move_processing();
- }
+ Translator_group::connect_to_context (c);
+ c->event_source ()->add_listener (GET_LISTENER (override), ly_symbol2scm ("Override"));
+ c->event_source ()->add_listener (GET_LISTENER (revert), ly_symbol2scm ("Revert"));
}
void
-Engraver_group_engraver::do_process_requests()
+Engraver_group::disconnect_from_context ()
{
- PCursor<Engraver*> i (grav_list_.top());
- while (i.ok()) {
- Engraver *grav_l = i++;
- grav_l->process_requests();
- }
+ context ()->event_source ()->remove_listener (GET_LISTENER (override), ly_symbol2scm ("Override"));
+ context ()->event_source ()->remove_listener (GET_LISTENER (revert), ly_symbol2scm ("Revert"));
+ Translator_group::disconnect_from_context ();
}
-
void
-Engraver_group_engraver::do_post_move_processing()
+Engraver_group::announce_grob (Grob_info info)
{
- PCursor<Engraver*> i (grav_list_.top());
- while (i.ok()) {
- // this construction to ensure clean deletion
- Engraver *grav_l = i++;
- grav_l->post_move_processing();
- }
-}
+ announce_infos_.push_back (info);
+ Engraver_group *dad_eng
+ = context_->get_parent_context ()
+ ? dynamic_cast<Engraver_group *> (context_->get_parent_context ()->implementation ())
+ : 0;
-bool
-Engraver_group_engraver::contains_b (Engraver* grav_l)const
-{
- bool parent_b = Engraver::contains_b (grav_l);
-
- if (parent_b)
- return true;
- for (PCursor<Engraver*> i (grav_list_.top()); i.ok (); i++)
- if (i->contains_b (grav_l))
- return true;
- return false;
-}
-
-
-
-bool
-Engraver_group_engraver::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_grav_l_)
- hebbes_b = daddy_grav_l_->try_request (req_l);
- return hebbes_b ;
-}
-
-bool
-Engraver_group_engraver::try_request (Request* r)
-{
- return Engraver::try_request (r);
+ if (dad_eng)
+ dad_eng->announce_grob (info);
}
void
-Engraver_group_engraver::add (Engraver *grav_p)
-{
- grav_list_.bottom().add (grav_p);
- grav_p->daddy_grav_l_ = this;
+Engraver_group::acknowledge_grobs ()
+{
+ if (!announce_infos_.size ())
+ return;
+
+ SCM name_sym = ly_symbol2scm ("name");
+ SCM meta_sym = ly_symbol2scm ("meta");
+
+ for (vsize j = 0; j < announce_infos_.size (); j++)
+ {
+ Grob_info info = announce_infos_[j];
+
+ SCM meta = info.grob ()->internal_get_property (meta_sym);
+ SCM nm = scm_assoc (name_sym, meta);
+ if (scm_is_pair (nm))
+ nm = scm_cdr (nm);
+ else
+ continue;
+
+ SCM acklist = scm_hashq_ref (acknowledge_hash_table_drul_[info.start_end ()],
+ nm, SCM_BOOL_F);
+
+ Engraver_dispatch_list *dispatch
+ = Engraver_dispatch_list::unsmob (acklist);
+
+ if (acklist == SCM_BOOL_F)
+ {
+ SCM ifaces
+ = scm_cdr (scm_assoc (ly_symbol2scm ("interfaces"), meta));
+ acklist = Engraver_dispatch_list::create (get_simple_trans_list (),
+ ifaces, info.start_end ());
+
+ dispatch
+ = Engraver_dispatch_list::unsmob (acklist);
+
+ scm_hashq_set_x (acknowledge_hash_table_drul_[info.start_end ()], nm, acklist);
+ }
- if (grav_p->is_type_b (Engraver_group_engraver::static_name())) {
- group_l_arr_.push ((Engraver_group_engraver*)grav_p);
- } else {
- nongroup_l_arr_ .push (grav_p);
+ if (dispatch)
+ dispatch->apply (info);
}
}
-
-Engraver *
-Engraver_group_engraver::remove_engraver_p (Engraver*grav_l)
-{
- group_l_arr_.substitute ((Engraver_group_engraver*)grav_l,0);
- nongroup_l_arr_.substitute (grav_l,0);
- PCursor<Engraver*> grav_cur (grav_list_.find (grav_l));
-
- return grav_cur.remove_p();
-}
-
-void
-Engraver_group_engraver::terminate_engraver (Engraver*r_l)
-{
- DOUT << "Removing " << r_l->name() << " at " << get_staff_info ().when () << "\n";
- r_l->removal_processing();
- Engraver * grav_p =remove_engraver_p (r_l);
-
- delete grav_p;
-}
-
-IMPLEMENT_IS_TYPE_B2(Engraver_group_engraver,Engraver, Translator);
-
-ADD_THIS_ENGRAVER(Engraver_group_engraver);
-
-void
-Engraver_group_engraver::do_print()const
-{
-#ifndef NPRINT
- if ( !check_debug)
- return ;
- DOUT << "ID: " << id_str_ ;
- DOUT << " iterators: " << iterator_count_<< "\n";
- for (PCursor<Engraver*> i (grav_list_.top()); i.ok (); i++)
- i->print();
-#endif
-}
-
-
-Engraver_group_engraver*
-Engraver_group_engraver::find_engraver_l (String n, String id)
-{
- if (name() == n && id_str_ == id)
- return this;
- Engraver_group_engraver * r = 0;
- for (int i =0; !r && i< group_l_arr_.size(); i++) {
- r = group_l_arr_[i]->find_engraver_l (n,id);
+/*
+ Ugh. This is slightly expensive. We could/should cache the value of
+ the group count?
+*/
+int
+Engraver_group::pending_grob_count () const
+{
+ int count = announce_infos_.size ();
+ for (SCM s = context_->children_contexts ();
+ scm_is_pair (s); s = scm_cdr (s))
+ {
+ Context *c = unsmob_context (scm_car (s));
+ Engraver_group *group
+ = dynamic_cast<Engraver_group *> (c->implementation ());
+
+ if (group)
+ count += group->pending_grob_count ();
}
-
- return r;
+ return count;
}
-Translator*
-Engraver_group_engraver::find_get_translator_l (String n,String id)
-{
- Translator * ret=0;
- Input_translator * itrans_l= itrans_l_-> recursive_find ( n);
- if (itrans_l) {
- ret = find_engraver_l (n,id);
- if (!ret) {
- Engraver_group_engraver * group =
- itrans_l-> get_group_engraver_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);
-
+void
+Engraver_group::do_announces ()
+{
+ do
+ {
+ /*
+ DOCME: why is this inside the loop?
+ */
+ for (SCM s = context ()->children_contexts ();
+ scm_is_pair (s); s = scm_cdr (s))
+ {
+ Context *c = unsmob_context (scm_car (s));
+ Engraver_group *group
+ = dynamic_cast<Engraver_group *> (c->implementation ());
+ if (group)
+ group->do_announces ();
}
- } else if (daddy_grav_l_)
- ret =daddy_grav_l_->find_get_translator_l (n,id);
- else {
- warning ("Can't find or create `" + n + "' called `" + id + "'\n");
- ret =0;
- }
- return ret;
-}
-
-int
-Engraver_group_engraver::depth_i()const
-{
- return daddy_grav_l_->depth_i() + 1;
-}
-Translator*
-Engraver_group_engraver::ancestor_l (int l)
-{
- if (!l || !daddy_grav_l_)
- return this;
-
- return daddy_grav_l_->ancestor_l (l-1);
-}
-
-void
-Engraver_group_engraver::announce_element (Score_elem_info info)
-{
- announce_info_arr_.push (info);
- Engraver::announce_element (info);
-}
+
+ while (1)
+ {
+ precomputed_translator_foreach (PROCESS_ACKNOWLEDGED);
+ if (announce_infos_.size () == 0)
+ break;
-void
-Engraver_group_engraver::do_announces()
-{
- for (int i=0; i < group_l_arr_.size(); i++) {
- group_l_arr_[i]->do_announces();
- }
-
- Request dummy_req;
-
- for (int j =0; j < announce_info_arr_.size(); j++){
- Score_elem_info info = announce_info_arr_[j];
-
- if (!info.req_l_)
- info.req_l_ = &dummy_req;
- for (int i=0; i < nongroup_l_arr_.size(); i++) { // Is this good enough?6
- if (nongroup_l_arr_[i] != info.origin_grav_l_arr_[0])
- nongroup_l_arr_[i]->acknowledge_element (info);
- }
+ acknowledge_grobs ();
+ announce_infos_.clear ();
+ }
}
- announce_info_arr_.clear();
+ while (pending_grob_count () > 0);
}
-
-void
-Engraver_group_engraver::do_removal_processing()
+Engraver_group::Engraver_group ()
{
- for (PCursor<Engraver*> i (grav_list_.top()); i.ok (); i++)
- i->removal_processing();
+ acknowledge_hash_table_drul_[LEFT]
+ = acknowledge_hash_table_drul_[RIGHT]
+ = SCM_EOL;
+
+ acknowledge_hash_table_drul_[LEFT] = scm_c_make_hash_table (61);
+ acknowledge_hash_table_drul_[RIGHT] = scm_c_make_hash_table (61);
}
-Staff_info
-Engraver_group_engraver::get_staff_info()const
-{
- Staff_info inf = Engraver::get_staff_info();
+#include "translator.icc"
- for (int i=0; i < nongroup_l_arr_.size(); i++)
- nongroup_l_arr_[i]->fill_staff_info (inf);
-
- return inf;
-}
+ADD_TRANSLATOR_GROUP (Engraver_group,
+ /* doc */
+ "A group of engravers taken together.",
-Translator*
-Engraver_group_engraver::get_default_interpreter()
-{
- // ?
- if ( is_bottom_engraver_b())
- return daddy_grav_l_->get_default_interpreter();
+ /* create */
+ "",
- Engraver_group_engraver *grav_p= itrans_l_->
- get_default_itrans_l()->get_group_engraver_p ();
- add (grav_p);
- if (grav_p->is_bottom_engraver_b())
- return grav_p;
- else
- return grav_p->get_default_interpreter();
-}
+ /* read */
+ "",
-bool
-Engraver_group_engraver::is_bottom_engraver_b()const
-{
- return !itrans_l_->get_default_itrans_l();
-}
+ /* write */
+ ""
+ );
-Engraver*
-Engraver_group_engraver::get_simple_engraver (char const *type)const
+void
+Engraver_group::derived_mark () const
{
- for (int i=0; i < nongroup_l_arr_.size(); i++) {
- if (nongroup_l_arr_[i]->name() == type)
- return nongroup_l_arr_[i];
- }
- if ( daddy_grav_l_)
- return daddy_grav_l_->get_simple_engraver (type);
- return 0;
+ scm_gc_mark (acknowledge_hash_table_drul_[LEFT]);
+ scm_gc_mark (acknowledge_hash_table_drul_[RIGHT]);
}
-
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