X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fengraver-group.cc;h=c431d10ae13cd35e83e6130e1e8bf09a4ac6a405;hb=5d84bfad4626892bcffd05adcced53c8a2329047;hp=fa6a780681b74db384ddcc4de2f9bdf89719552f;hpb=5700feb8f2c755876f7ff9aab46470c074d59918;p=lilypond.git diff --git a/lily/engraver-group.cc b/lily/engraver-group.cc index fa6a780681..c431d10ae1 100644 --- a/lily/engraver-group.cc +++ b/lily/engraver-group.cc @@ -1,30 +1,112 @@ /* - engraver-group.cc -- implement Engraver_group + 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 - (c) 1997--2005 Han-Wen Nienhuys + 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 . */ +#include "context.hh" +#include "dispatcher.hh" #include "engraver-group.hh" - -#include "warn.hh" -#include "paper-score.hh" +#include "global-context.hh" #include "grob.hh" -#include "context.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 (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::announce_grob (Grob_info info) +Engraver_group::revert (SCM sev) { - announce_infos_.push (info); + Stream_event *ev = unsmob (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")); +} + +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::announce_grob (Grob_info info, Direction dir, + Context *reroute_context) +{ + announce_infos_.push_back (Announce_grob_info (info, dir)); + + Context *dad_con = reroute_context ? reroute_context + : context_->get_parent_context (); Engraver_group *dad_eng - = context_->get_parent_context () - ? dynamic_cast (context_->get_parent_context ()->implementation ()) - : 0; + = dad_con + ? dynamic_cast (dad_con->implementation ()) + : 0; + if (dad_eng) - dad_eng->announce_grob (info); + dad_eng->announce_grob (info, dir); } void @@ -34,38 +116,38 @@ Engraver_group::acknowledge_grobs () return; SCM name_sym = ly_symbol2scm ("name"); - SCM meta_sym = ly_symbol2scm ("meta"); - for (int j = 0; j < announce_infos_.size (); j++) + for (vsize j = 0; j < announce_infos_.size (); j++) { - Grob_info info = announce_infos_[j]; + Announce_grob_info info = announce_infos_[j]; - SCM meta = info.grob ()->internal_get_property (meta_sym); + SCM meta = info.grob ()->get_property ("meta"); SCM nm = scm_assoc (name_sym, meta); if (scm_is_pair (nm)) - nm = scm_cdr (nm); + nm = scm_cdr (nm); else - continue; + continue; - SCM acklist = scm_hashq_ref (acknowledge_hash_table_, nm, SCM_BOOL_F); - Engraver_dispatch_list *dispatch - = Engraver_dispatch_list::unsmob (acklist); + SCM ackhandle = scm_hashq_create_handle_x (acknowledge_hash_table_drul_[info.start_end ()], + nm, SCM_BOOL_F); + + SCM acklist = scm_cdr (ackhandle); - 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); + 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 ()); - dispatch - = Engraver_dispatch_list::unsmob (acklist); + scm_set_cdr_x (ackhandle, acklist); + } - scm_hashq_set_x (acknowledge_hash_table_, nm, acklist); - } + Engraver_dispatch_list *dispatch + = unsmob (acklist); if (dispatch) - dispatch->apply (info); + dispatch->apply (info); } } @@ -73,21 +155,22 @@ Engraver_group::acknowledge_grobs () Ugh. This is slightly expensive. We could/should cache the value of the group count? */ -int -Engraver_group::pending_grob_count () const +bool +Engraver_group::pending_grobs () const { - int count = announce_infos_.size (); + if (!announce_infos_.empty ()) + return true; for (SCM s = context_->children_contexts (); scm_is_pair (s); s = scm_cdr (s)) { - Context *c = unsmob_context (scm_car (s)); + Context *c = unsmob (scm_car (s)); Engraver_group *group - = dynamic_cast (c->implementation ()); + = dynamic_cast (c->implementation ()); - if (group) - count += group->pending_grob_count (); + if (group && group->pending_grobs ()) + return true; } - return count; + return false; } void @@ -96,49 +179,61 @@ Engraver_group::do_announces () do { /* - DOCME: why is this inside the loop? + 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 (c->implementation ()); - if (group) - group->do_announces (); - } - - + scm_is_pair (s); s = scm_cdr (s)) + { + Context *c = unsmob (scm_car (s)); + Engraver_group *group + = dynamic_cast (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 (); - } + { + precomputed_translator_foreach (PROCESS_ACKNOWLEDGED); + if (announce_infos_.size () == 0) + break; + + acknowledge_grobs (); + announce_infos_.clear (); + } } - while (pending_grob_count () > 0); + 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_ = SCM_EOL; - acknowledge_hash_table_ = scm_c_make_hash_table (61); + 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 */ "", - /* accept */ "", - /* read */ "", - /* write */ ""); + /* doc */ + "A group of engravers taken together.", + + /* create */ + "", + + /* read */ + "", + + /* write */ + "" + ); void Engraver_group::derived_mark () const { - scm_gc_mark (acknowledge_hash_table_); + scm_gc_mark (acknowledge_hash_table_drul_[LEFT]); + scm_gc_mark (acknowledge_hash_table_drul_[RIGHT]); }