/*
- engravergroup.cc -- implement Engraver_group_engraver
+ engraver-group.cc -- implement Engraver_group
source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "proto.hh"
+#include "context.hh"
+#include "dispatcher.hh"
#include "engraver-group.hh"
-#include "engraver.hh"
-#include "debug.hh"
-#include "p-score.hh"
-#include "score-element.hh"
+#include "grob.hh"
+#include "paper-score.hh"
+#include "translator-dispatch-list.hh"
+#include "warn.hh"
+IMPLEMENT_LISTENER (Engraver_group, override);
+void
+Engraver_group::override (SCM sev)
+{
+ 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"));
+}
-ADD_THIS_TRANSLATOR(Engraver_group_engraver);
+IMPLEMENT_LISTENER (Engraver_group, revert);
+void
+Engraver_group::revert (SCM sev)
+{
+ 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::connect_to_context (Context *c)
+{
+ 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::announce_element (Score_element_info info)
+Engraver_group::disconnect_from_context ()
{
- announce_info_arr_.push (info);
- Engraver::announce_element (info);
+ 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_announces()
+Engraver_group::announce_grob (Grob_info info)
{
- Link_array<Translator_group> groups = group_l_arr ();
- for (int i=0; i < groups.size(); i++)
+ announce_infos_.push_back (info);
+
+ Engraver_group *dad_eng
+ = context_->get_parent_context ()
+ ? dynamic_cast<Engraver_group *> (context_->get_parent_context ()->implementation ())
+ : 0;
+
+ if (dad_eng)
+ dad_eng->announce_grob (info);
+}
+
+void
+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++)
{
- Engraver_group_engraver * group = dynamic_cast<Engraver_group_engraver*> (groups[i]);
- if (group)
+ 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)
{
- group->do_announces();
+ 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 (dispatch)
+ dispatch->apply (info);
}
-
- Request dummy_req;
+}
- Link_array<Translator> nongroups = nongroup_l_arr ();
- while (announce_info_arr_.size ())
+/*
+ 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))
{
- for (int j =0; j < announce_info_arr_.size(); j++)
+ Context *c = unsmob_context (scm_car (s));
+ Engraver_group *group
+ = dynamic_cast<Engraver_group *> (c->implementation ());
+
+ if (group)
+ count += group->pending_grob_count ();
+ }
+ return count;
+}
+
+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))
{
- Score_element_info info = announce_info_arr_[j];
-
- if (!info.req_l_)
- info.req_l_ = &dummy_req;
- for (int i=0; i < nongroups.size(); i++)
- { // Is this good enough?
- Engraver * eng = dynamic_cast<Engraver*> (nongroups[i]);
- if (eng && eng!= info.origin_grav_l_arr_[0])
- eng->acknowledge_element (info);
- }
+ Context *c = unsmob_context (scm_car (s));
+ Engraver_group *group
+ = dynamic_cast<Engraver_group *> (c->implementation ());
+ if (group)
+ group->do_announces ();
}
- announce_info_arr_.clear ();
- for (int i=0; i < nongroups.size(); i++)
+
+
+ while (1)
{
- Engraver * eng = dynamic_cast<Engraver*> (nongroups[i]);
- if (eng)
- eng->process_acknowledged ();
- }
+ precomputed_translator_foreach (PROCESS_ACKNOWLEDGED);
+ if (announce_infos_.size () == 0)
+ break;
+ acknowledge_grobs ();
+ announce_infos_.clear ();
+ }
}
+ while (pending_grob_count () > 0);
}
-
-Staff_info
-Engraver_group_engraver::get_staff_info() const
+Engraver_group::Engraver_group ()
{
- Staff_info inf = Engraver::get_staff_info();
-
- Link_array<Translator> simple_translators = nongroup_l_arr ();
- for (int i=0; i < simple_translators.size(); i++)
- {
- Engraver * eng = dynamic_cast<Engraver*> (simple_translators[i]);
- if (eng)
- eng->fill_staff_info (inf);
- }
- return inf;
+ 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);
}
+#include "translator.icc"
+ADD_TRANSLATOR_GROUP (Engraver_group,
+ /* doc */
+ "A group of engravers taken together.",
-Engraver_group_engraver::~Engraver_group_engraver ()
-{
-}
+ /* create */
+ "",
-Engraver_group_engraver::Engraver_group_engraver ()
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );
+
+void
+Engraver_group::derived_mark () const
{
+ scm_gc_mark (acknowledge_hash_table_drul_[LEFT]);
+ scm_gc_mark (acknowledge_hash_table_drul_[RIGHT]);
}
projects / lilypond.git / blobdiff