/*
- engravergroup.cc -- implement Engraver_group_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-#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 "global-context.hh"
+#include "grob.hh"
+#include "grob-properties.hh"
+#include "paper-score.hh"
+#include "translator-dispatch-list.hh"
+#include "warn.hh"
+
+void
+Engraver_group::override (SCM sev)
+{
+ Stream_event *ev = unsmob<Stream_event> (sev);
+ SCM sym = ev->get_property ("symbol");
+ Grob_property_info gpi (context (), sym);
+
+ if (to_boolean (ev->get_property ("once")))
+ {
+ SCM token = gpi.temporary_override (ev->get_property ("property-path"),
+ ev->get_property ("value"));
+ if (scm_is_pair (token))
+ if (Global_context *g = context ()->get_global_context ())
+ {
+ g->add_finalization (scm_list_4 (ly_context_matched_pop_property_proc,
+ context ()->self_scm (),
+ sym,
+ token));
+ }
+ }
+ else
+ gpi.push (ev->get_property ("property-path"),
+ ev->get_property ("value"));
+}
+
+void
+Engraver_group::revert (SCM sev)
+{
+ Stream_event *ev = unsmob<Stream_event> (sev);
+ SCM sym = ev->get_property ("symbol");
+ Grob_property_info gpi (context (), sym);
+
+ if (to_boolean (ev->get_property ("once")))
+ {
+ SCM token = gpi.temporary_revert (ev->get_property ("property-path"));
+ if (scm_is_pair (token))
+ if (Global_context *g = context ()->get_global_context ())
+ {
+ g->add_finalization (scm_list_4 (ly_context_matched_pop_property_proc,
+ context ()->self_scm (),
+ sym,
+ token));
+ }
+ }
+ else
+ gpi.pop (ev->get_property ("property-path"));
+}
+void
+Engraver_group::connect_to_context (Context *c)
+{
+ Translator_group::connect_to_context (c);
+ c->event_source ()->add_listener (GET_LISTENER (Engraver_group, override), ly_symbol2scm ("Override"));
+ c->event_source ()->add_listener (GET_LISTENER (Engraver_group, revert), ly_symbol2scm ("Revert"));
+}
-ADD_THIS_TRANSLATOR(Engraver_group_engraver);
+void
+Engraver_group::disconnect_from_context ()
+{
+ context ()->event_source ()->remove_listener (GET_LISTENER (Engraver_group, override), ly_symbol2scm ("Override"));
+ context ()->event_source ()->remove_listener (GET_LISTENER (Engraver_group, revert), ly_symbol2scm ("Revert"));
+ Translator_group::disconnect_from_context ();
+}
void
-Engraver_group_engraver::announce_element (Score_element_info info)
+Engraver_group::announce_grob (Grob_info info, Direction dir,
+ Context *reroute_context)
{
- announce_info_arr_.push (info);
- Engraver::announce_element (info);
+ announce_infos_.push_back (Announce_grob_info (info, dir));
+
+ Context *dad_con = reroute_context ? reroute_context
+ : context_->get_parent_context ();
+
+ Engraver_group *dad_eng
+ = dad_con
+ ? dynamic_cast<Engraver_group *> (dad_con->implementation ())
+ : 0;
+
+ if (dad_eng)
+ dad_eng->announce_grob (info, dir);
}
void
-Engraver_group_engraver::do_announces()
+Engraver_group::acknowledge_grobs ()
{
- Link_array<Translator_group> groups = group_l_arr ();
- for (int i=0; i < groups.size(); i++)
+ if (!announce_infos_.size ())
+ return;
+
+ SCM name_sym = ly_symbol2scm ("name");
+
+ for (vsize j = 0; j < announce_infos_.size (); j++)
{
- Engraver_group_engraver * group = dynamic_cast<Engraver_group_engraver*> (groups[i]);
- if (group)
- {
- group->do_announces();
- }
+ Announce_grob_info info = announce_infos_[j];
+
+ SCM meta = info.grob ()->get_property ("meta");
+ SCM nm = scm_assoc (name_sym, meta);
+ if (scm_is_pair (nm))
+ nm = scm_cdr (nm);
+ else
+ continue;
+
+ SCM ackhandle = scm_hashq_create_handle_x (acknowledge_hash_table_drul_[info.start_end ()],
+ nm, SCM_BOOL_F);
+
+ SCM acklist = scm_cdr (ackhandle);
+
+ if (scm_is_false (acklist))
+ {
+ SCM ifaces
+ = scm_cdr (scm_assoc (ly_symbol2scm ("interfaces"), meta));
+ acklist = Engraver_dispatch_list::create (get_simple_trans_list (),
+ ifaces, info.start_end ());
+
+ scm_set_cdr_x (ackhandle, acklist);
+ }
+
+ Engraver_dispatch_list *dispatch
+ = unsmob<Engraver_dispatch_list> (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?
+*/
+bool
+Engraver_group::pending_grobs () const
+{
+ if (!announce_infos_.empty ())
+ return true;
+ for (SCM s = context_->children_contexts ();
+ scm_is_pair (s); s = scm_cdr (s))
{
- for (int j =0; j < announce_info_arr_.size(); j++)
- {
- 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_trans_l_arr_[0])
- eng->acknowledge_element (info);
- }
- }
- announce_info_arr_.clear ();
- for (int i=0; i < nongroups.size(); i++)
- {
- Engraver * eng = dynamic_cast<Engraver*> (nongroups[i]);
- if (eng)
- eng->process_acknowledged ();
- }
+ Context *c = unsmob<Context> (scm_car (s));
+ Engraver_group *group
+ = dynamic_cast<Engraver_group *> (c->implementation ());
+ if (group && group->pending_grobs ())
+ return true;
}
+ return false;
}
-
-Staff_info
-Engraver_group_engraver::get_staff_info() const
+void
+Engraver_group::do_announces ()
{
- Staff_info inf = Engraver::get_staff_info();
-
- Link_array<Translator> simple_translators = nongroup_l_arr ();
- for (int i=0; i < simple_translators.size(); i++)
+ do
{
- Engraver * eng = dynamic_cast<Engraver*> (simple_translators[i]);
- if (eng)
- eng->fill_staff_info (inf);
+ /*
+ 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 ();
+ }
+
+ while (1)
+ {
+ precomputed_translator_foreach (PROCESS_ACKNOWLEDGED);
+ if (announce_infos_.size () == 0)
+ break;
+
+ acknowledge_grobs ();
+ announce_infos_.clear ();
+ }
}
- return inf;
+ while (pending_grobs ());
+}
+
+Preinit_Engraver_group::Preinit_Engraver_group ()
+{
+ acknowledge_hash_table_drul_.set (SCM_EOL, SCM_EOL);
+}
+
+Engraver_group::Engraver_group ()
+{
+ 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.",
+ /* create */
+ "",
+
+ /* 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