X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fengraver-group.cc;h=8c5306f544c6e5737dde436ae22249e5e49b561c;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=a1a77d7da1e604ef930d28494e5d169081d414f6;hpb=6dc4e4d14a67f65f337ec1a06466e748c68dcad5;p=lilypond.git diff --git a/lily/engraver-group.cc b/lily/engraver-group.cc index a1a77d7da1..8c5306f544 100644 --- a/lily/engraver-group.cc +++ b/lily/engraver-group.cc @@ -1,309 +1,199 @@ /* - 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 + (c) 1997--2008 Han-Wen Nienhuys */ -#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); - -Engraver_group_engraver::~Engraver_group_engraver() -{ - assert(removable_b()); -} +#include "grob.hh" +#include "paper-score.hh" +#include "translator-dispatch-list.hh" +#include "warn.hh" +IMPLEMENT_LISTENER (Engraver_group, override); void -Engraver_group_engraver::check_removal() -{ - 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 +Engraver_group::override (SCM sev) { - 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"), + ev->get_property ("value")); } +IMPLEMENT_LISTENER (Engraver_group, revert); void -Engraver_group_engraver::set_feature(Feature d) +Engraver_group::revert (SCM sev) { - PCursor 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); - } + 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::sync_features() +Engraver_group::connect_to_context (Context *c) { - PCursor i(grav_list_.top()); - while (i.ok()) { - Engraver *grav_l = i++; - grav_l->sync_features(); - } + 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_pre_move_processing() +Engraver_group::disconnect_from_context () { - PCursor i(grav_list_.top()); - while (i.ok()) { - Engraver *grav_l = i++; - grav_l->pre_move_processing(); - } -} - -void -Engraver_group_engraver::do_process_requests() -{ - PCursor 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() -{ - PCursor i(grav_list_.top()); - while (i.ok()) { - // this construction to ensure clean deletion - Engraver *grav_l = i++; - grav_l->post_move_processing(); - } -} - - -bool -Engraver_group_engraver::contains_b(Engraver* grav_l)const +Engraver_group::announce_grob (Grob_info info) { - bool parent_b = Engraver::contains_b(grav_l); - - if (parent_b) - return true; - for (PCursor i(grav_list_.top()); i.ok(); i++) - if (i->contains_b(grav_l)) - return true; - return false; -} - + announce_infos_.push_back (info); + Engraver_group *dad_eng + = context_->get_parent_context () + ? dynamic_cast (context_->get_parent_context ()->implementation ()) + : 0; -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 grav_cur( grav_list_.find(grav_l) ); - - return grav_cur.remove_p(); -} - -void -Engraver_group_engraver::terminate_engraver(Engraver*r_l) -{ - mtor << "Removing " << r_l->name() << " at " << get_staff_info().when() << "\n"; - r_l->do_removal_processing(); - Engraver * grav_p =remove_engraver_p(r_l); - - delete grav_p; +/* + 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 (c->implementation ()); + + if (group) + count += group->pending_grob_count (); + } + return count; } -IMPLEMENT_IS_TYPE_B2(Engraver_group_engraver,Engraver, Translator); - -ADD_THIS_ENGRAVER(Engraver_group_engraver); - void -Engraver_group_engraver::do_print()const -{ -#ifndef NPRINT - mtor << "ID: " << id_str_ << "\n"; - for (PCursor 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); - } - - return r; -} +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 (c->implementation ()); + if (group) + group->do_announces (); + } -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); + + while (1) + { + precomputed_translator_foreach (PROCESS_ACKNOWLEDGED); + if (announce_infos_.size () == 0) + break; + acknowledge_grobs (); + announce_infos_.clear (); } - } 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; + while (pending_grob_count () > 0); } -Translator* -Engraver_group_engraver::ancestor_l(int l) +Engraver_group::Engraver_group () { - if (!l || !daddy_grav_l_) - return this; - - return daddy_grav_l_->ancestor_l(l-1); + 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); } -void -Engraver_group_engraver::announce_element(Score_elem_info info) -{ - announce_info_arr_.push(info); - Engraver::announce_element(info); -} +#include "translator.icc" -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); - } - } - announce_info_arr_.set_size(0); -} +ADD_TRANSLATOR_GROUP (Engraver_group, + /* doc */ + "A group of engravers taken together.", + /* create */ + "", -void -Engraver_group_engraver::do_removal_processing() -{ - for (PCursor i(grav_list_.top()); i.ok(); i++) - i->do_removal_processing(); -} + /* read */ + "", -Staff_info -Engraver_group_engraver::get_staff_info()const -{ - Staff_info inf = Engraver::get_staff_info(); + /* write */ + "" + ); - for (int i=0; i < nongroup_l_arr_.size(); i++) - nongroup_l_arr_[i]->fill_staff_info(inf); - - return inf; -} - -Translator* -Engraver_group_engraver::get_default_interpreter() -{ - // ? - if ( is_bottom_engraver_b() ) - return daddy_grav_l_->get_default_interpreter(); - - 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(); -} - -bool -Engraver_group_engraver::is_bottom_engraver_b()const +void +Engraver_group::derived_mark () const { - return !itrans_l_->get_default_itrans_l(); + scm_gc_mark (acknowledge_hash_table_drul_[LEFT]); + scm_gc_mark (acknowledge_hash_table_drul_[RIGHT]); }