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 PCursor<Engraver*> i(grav_list_.top());
52 // why the while construct?
54 // this construction to ensure clean deletion
55 Engraver *grav_l = i++;
56 grav_l->set_feature(d);
61 Engraver_group_engraver::sync_features()
63 PCursor<Engraver*> i(grav_list_.top());
65 Engraver *grav_l = i++;
66 grav_l->sync_features();
71 Engraver_group_engraver::do_pre_move_processing()
73 PCursor<Engraver*> i(grav_list_.top());
75 Engraver *grav_l = i++;
76 grav_l->pre_move_processing();
81 Engraver_group_engraver::do_process_requests()
83 PCursor<Engraver*> i(grav_list_.top());
85 Engraver *grav_l = i++;
86 grav_l->process_requests();
92 Engraver_group_engraver::do_post_move_processing()
94 PCursor<Engraver*> i(grav_list_.top());
96 // this construction to ensure clean deletion
97 Engraver *grav_l = i++;
98 grav_l->post_move_processing();
104 Engraver_group_engraver::contains_b(Engraver* grav_l)const
106 bool parent_b = Engraver::contains_b(grav_l);
110 for (PCursor<Engraver*> i(grav_list_.top()); i.ok(); i++)
111 if (i->contains_b(grav_l))
119 Engraver_group_engraver::do_try_request(Request*req_l)
121 bool hebbes_b =false;
122 for (int i =0; !hebbes_b && i < nongroup_l_arr_.size() ; i++)
123 hebbes_b =nongroup_l_arr_[i]->try_request(req_l);
125 hebbes_b = daddy_grav_l_->try_request(req_l);
130 Engraver_group_engraver::try_request(Request* r)
132 return Engraver::try_request(r);
136 Engraver_group_engraver::add(Engraver *grav_p)
138 grav_list_.bottom().add(grav_p);
139 grav_p->daddy_grav_l_ = this;
141 if (grav_p->is_type_b(Engraver_group_engraver::static_name())) {
142 group_l_arr_.push((Engraver_group_engraver*)grav_p);
144 nongroup_l_arr_ .push(grav_p);
150 Engraver_group_engraver::remove_engraver_p(Engraver*grav_l)
152 group_l_arr_.substitute((Engraver_group_engraver*)grav_l,0);
153 nongroup_l_arr_.substitute(grav_l,0);
154 PCursor<Engraver*> grav_cur( grav_list_.find(grav_l) );
156 return grav_cur.remove_p();
160 Engraver_group_engraver::terminate_engraver(Engraver*r_l)
162 mtor << "Removing " << r_l->name() << " at " << get_staff_info().when() << "\n";
163 r_l->do_removal_processing();
164 Engraver * grav_p =remove_engraver_p(r_l);
169 IMPLEMENT_IS_TYPE_B2(Engraver_group_engraver,Engraver, Translator);
170 IMPLEMENT_STATIC_NAME(Engraver_group_engraver);
171 ADD_THIS_ENGRAVER(Engraver_group_engraver);
174 Engraver_group_engraver::do_print()const
177 mtor << "ID: " << id_str_ << "\n";
178 for (PCursor<Engraver*> i(grav_list_.top()); i.ok(); i++)
184 Engraver_group_engraver*
185 Engraver_group_engraver::find_engraver_l(String n, String id)
187 if (name() == n && id_str_ == id)
189 Engraver_group_engraver * r = 0;
190 for (int i =0; !r && i< group_l_arr_.size(); i++) {
191 r = group_l_arr_[i]->find_engraver_l(n,id);
198 Engraver_group_engraver::find_get_translator_l(String n,String id)
201 Input_translator * itrans_l= itrans_l_-> recursive_find ( n );
203 ret = find_engraver_l(n,id);
205 Engraver_group_engraver * group =
206 itrans_l-> get_group_engraver_p();
211 if (group->itrans_l_->is_name_b( n ) )
214 return ret->find_get_translator_l(n,id);
217 } else if (daddy_grav_l_)
218 ret =daddy_grav_l_->find_get_translator_l(n,id);
220 warning("Can't find or create `" + n + "' called `" + id + "'\n");
227 Engraver_group_engraver::depth_i()const
229 return daddy_grav_l_->depth_i() + 1;
233 Engraver_group_engraver::ancestor_l(int l)
235 if (!l || !daddy_grav_l_)
238 return daddy_grav_l_->ancestor_l(l-1);
242 Engraver_group_engraver::announce_element(Score_elem_info info)
244 announce_info_arr_.push(info);
245 Engraver::announce_element(info);
249 Engraver_group_engraver::do_announces()
251 for (int i=0; i < group_l_arr_.size(); i++) {
252 group_l_arr_[i]->do_announces();
257 for (int j =0; j < announce_info_arr_.size(); j++){
258 Score_elem_info info = announce_info_arr_[j];
261 info.req_l_ = &dummy_req;
262 for (int i=0; i < nongroup_l_arr_.size(); i++) { // Is this good enough?6
263 if (nongroup_l_arr_[i] != info.origin_grav_l_arr_[0])
264 nongroup_l_arr_[i]->acknowledge_element(info);
267 announce_info_arr_.set_size(0);
272 Engraver_group_engraver::do_removal_processing()
274 for (PCursor<Engraver*> i(grav_list_.top()); i.ok(); i++)
275 i->do_removal_processing();
279 Engraver_group_engraver::get_staff_info()const
281 Staff_info inf = Engraver::get_staff_info();
283 for (int i=0; i < nongroup_l_arr_.size(); i++)
284 nongroup_l_arr_[i]->fill_staff_info(inf);
290 Engraver_group_engraver::get_default_interpreter()
293 if ( is_bottom_engraver_b() )
294 return daddy_grav_l_->get_default_interpreter();
296 Engraver_group_engraver *grav_p= itrans_l_->
297 get_default_itrans_l()->get_group_engraver_p();
299 if (grav_p->is_bottom_engraver_b())
302 return grav_p->get_default_interpreter();
306 Engraver_group_engraver::is_bottom_engraver_b()const
308 return !itrans_l_->get_default_itrans_l();