2 engravergroup.cc -- implement Engraver_group_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
11 #include "engraver-group.hh"
12 #include "engraver.hh"
15 #include "score-elem.hh"
16 #include "input-translator.hh"
17 Engraver* get_engraver_p(String);
19 Engraver_group_engraver::~Engraver_group_engraver()
21 assert(removable_b());
25 Engraver_group_engraver::check_removal()
27 for (int i =0; i < group_l_arr_.size(); ) {
28 group_l_arr_[i]->check_removal();
29 if (group_l_arr_[i]->removable_b())
30 terminate_engraver(group_l_arr_[i]);
38 Engraver_group_engraver::removable_b()const
40 return !iterator_count_&& !group_l_arr_.size() ;
43 Engraver_group_engraver::Engraver_group_engraver()
49 Engraver_group_engraver::set_feature(Feature d)
51 iter_top(grav_list_, i);
53 // this construction to ensure clean deletion
54 Engraver *grav_l = i++;
55 grav_l->set_feature(d);
60 Engraver_group_engraver::sync_features()
62 iter_top(grav_list_, i);
65 Engraver *grav_l = i++;
66 grav_l->sync_features();
71 Engraver_group_engraver::do_pre_move_processing()
73 iter_top(grav_list_, i);
76 Engraver *grav_l = i++;
77 grav_l->pre_move_processing();
82 Engraver_group_engraver::do_process_requests()
84 iter_top(grav_list_, i);
87 Engraver *grav_l = i++;
88 grav_l->process_requests();
94 Engraver_group_engraver::do_post_move_processing()
96 iter_top(grav_list_, i);
98 // this construction to ensure clean deletion
99 Engraver *grav_l = i++;
100 grav_l->post_move_processing();
106 Engraver_group_engraver::contains_b(Engraver* grav_l)const
108 bool parent_b = Engraver::contains_b(grav_l);
112 for (iter_top(grav_list_, j); j.ok(); j++)
113 if (j->contains_b(grav_l))
121 Engraver_group_engraver::do_try_request(Request*req_l)
123 bool hebbes_b =false;
124 for (int i =0; !hebbes_b && i < nongroup_l_arr_.size() ; i++)
125 hebbes_b =nongroup_l_arr_[i]->try_request(req_l);
127 hebbes_b = daddy_grav_l_->try_request(req_l);
132 Engraver_group_engraver::try_request(Request* r)
134 return Engraver::try_request(r);
138 Engraver_group_engraver::add(Engraver *grav_p)
140 grav_list_.bottom().add(grav_p);
141 grav_p->daddy_grav_l_ = this;
143 if (grav_p->is_type_b(Engraver_group_engraver::static_name())) {
144 group_l_arr_.push((Engraver_group_engraver*)grav_p);
146 nongroup_l_arr_ .push(grav_p);
152 Engraver_group_engraver::remove_engraver_p(Engraver*grav_l)
154 group_l_arr_.substitute((Engraver_group_engraver*)grav_l,0);
155 nongroup_l_arr_.substitute(grav_l,0);
156 iterator(grav_list_) grav_cur= grav_list_.find(grav_l);
158 return grav_cur.remove_p();
162 Engraver_group_engraver::terminate_engraver(Engraver*r_l)
164 mtor << "Removing " << r_l->name() << " at " << get_staff_info().when() << "\n";
165 r_l->do_removal_processing();
166 Engraver * grav_p =remove_engraver_p(r_l);
171 IMPLEMENT_IS_TYPE_B2(Engraver_group_engraver,Engraver, Translator);
172 IMPLEMENT_STATIC_NAME(Engraver_group_engraver);
173 ADD_THIS_ENGRAVER(Engraver_group_engraver);
176 Engraver_group_engraver::do_print()const
179 mtor << "ID: " << id_str_ << "\n";
180 for (iter_top(grav_list_, i); i.ok(); i++)
186 Engraver_group_engraver*
187 Engraver_group_engraver::find_engraver_l(String n, String id)
189 if (name() == n && id_str_ == id)
191 Engraver_group_engraver * r = 0;
192 for (int i =0; !r && i< group_l_arr_.size(); i++) {
193 r = group_l_arr_[i]->find_engraver_l(n,id);
200 Engraver_group_engraver::find_get_translator_l(String n,String id)
203 Input_translator * itrans_l= itrans_l_-> recursive_find ( n );
205 ret = find_engraver_l(n,id);
207 Engraver_group_engraver * group =
208 itrans_l-> get_group_engraver_p();
213 if (group->itrans_l_->is_name_b( n ) )
216 return ret->find_get_translator_l(n,id);
219 } else if (daddy_grav_l_)
220 ret =daddy_grav_l_->find_get_translator_l(n,id);
222 warning("Can't find or create `" + n + "' called `" + id + "'\n");
229 Engraver_group_engraver::depth_i()const
231 return daddy_grav_l_->depth_i() + 1;
235 Engraver_group_engraver::ancestor_l(int l)
237 if (!l || !daddy_grav_l_)
240 return daddy_grav_l_->ancestor_l(l-1);
244 Engraver_group_engraver::announce_element(Score_elem_info info)
246 announce_info_arr_.push(info);
247 Engraver::announce_element(info);
251 Engraver_group_engraver::do_announces()
253 for (int i=0; i < group_l_arr_.size(); i++) {
254 group_l_arr_[i]->do_announces();
259 for (int j =0; j < announce_info_arr_.size(); j++){
260 Score_elem_info info = announce_info_arr_[j];
263 info.req_l_ = &dummy_req;
264 for (int i=0; i < nongroup_l_arr_.size(); i++) { // Is this good enough?6
265 if (nongroup_l_arr_[i] != info.origin_grav_l_arr_[0])
266 nongroup_l_arr_[i]->acknowledge_element(info);
269 announce_info_arr_.set_size(0);
274 Engraver_group_engraver::do_removal_processing()
276 for (iter( grav_list_.top(), i); i.ok(); i++)
277 i->do_removal_processing();
281 Engraver_group_engraver::get_staff_info()const
283 Staff_info inf = Engraver::get_staff_info();
285 for (int i=0; i < nongroup_l_arr_.size(); i++)
286 nongroup_l_arr_[i]->fill_staff_info(inf);
292 Engraver_group_engraver::get_default_interpreter()
295 if ( is_bottom_engraver_b() )
296 return daddy_grav_l_->get_default_interpreter();
298 Engraver_group_engraver *grav_p= itrans_l_->
299 get_default_itrans_l()->get_group_engraver_p();
301 if (grav_p->is_bottom_engraver_b())
304 return grav_p->get_default_interpreter();
308 Engraver_group_engraver::is_bottom_engraver_b()const
310 return !itrans_l_->get_default_itrans_l();