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"
18 Engraver* get_engraver_p(String);
21 Engraver_group_engraver::print()const
26 Engraver_group_engraver::~Engraver_group_engraver()
28 assert(removable_b());
32 Engraver_group_engraver::check_removal()
34 for (int i =0; i < group_l_arr_.size(); ) {
35 group_l_arr_[i]->check_removal();
36 if (group_l_arr_[i]->removable_b())
37 terminate_engraver(group_l_arr_[i]);
44 Engraver_group_engraver::removable_b()const
46 return !iterator_count_&& !group_l_arr_.size() ;
49 Engraver_group_engraver::Engraver_group_engraver()
55 Engraver_group_engraver::set_feature(Feature d)
57 PCursor<Engraver*> i(grav_list_.top());
58 // why the while construct?
60 // this construction to ensure clean deletion
61 Engraver *grav_l = i++;
62 grav_l->set_feature(d);
67 Engraver_group_engraver::sync_features()
69 PCursor<Engraver*> i(grav_list_.top());
71 Engraver *grav_l = i++;
72 grav_l->sync_features();
77 Engraver_group_engraver::do_pre_move_processing()
79 PCursor<Engraver*> i(grav_list_.top());
81 Engraver *grav_l = i++;
82 grav_l->pre_move_processing();
87 Engraver_group_engraver::do_process_requests()
89 PCursor<Engraver*> i(grav_list_.top());
91 Engraver *grav_l = i++;
92 grav_l->process_requests();
98 Engraver_group_engraver::do_post_move_processing()
100 PCursor<Engraver*> i(grav_list_.top());
102 // this construction to ensure clean deletion
103 Engraver *grav_l = i++;
104 grav_l->post_move_processing();
110 Engraver_group_engraver::contains_b(Engraver* grav_l)const
112 bool parent_b = Engraver::contains_b(grav_l);
116 for (PCursor<Engraver*> i(grav_list_.top()); i.ok(); i++)
117 if (i->contains_b(grav_l))
125 Engraver_group_engraver::do_try_request(Request*req_l)
127 bool hebbes_b =false;
128 for (int i =0; !hebbes_b && i < nongroup_l_arr_.size() ; i++)
129 hebbes_b =nongroup_l_arr_[i]->try_request(req_l);
130 if (!hebbes_b && daddy_grav_l_)
131 hebbes_b = daddy_grav_l_->try_request(req_l);
136 Engraver_group_engraver::try_request(Request* r)
138 return Engraver::try_request(r);
142 Engraver_group_engraver::add(Engraver *grav_p)
144 grav_list_.bottom().add(grav_p);
145 grav_p->daddy_grav_l_ = this;
147 if (grav_p->is_type_b(Engraver_group_engraver::static_name())) {
148 group_l_arr_.push((Engraver_group_engraver*)grav_p);
150 nongroup_l_arr_ .push(grav_p);
156 Engraver_group_engraver::remove_engraver_p(Engraver*grav_l)
158 group_l_arr_.substitute((Engraver_group_engraver*)grav_l,0);
159 nongroup_l_arr_.substitute(grav_l,0);
160 PCursor<Engraver*> grav_cur( grav_list_.find(grav_l) );
162 return grav_cur.remove_p();
166 Engraver_group_engraver::terminate_engraver(Engraver*r_l)
168 mtor << "Removing " << r_l->name() << " at " << get_staff_info().when() << "\n";
169 r_l->removal_processing();
170 Engraver * grav_p =remove_engraver_p(r_l);
175 IMPLEMENT_IS_TYPE_B2(Engraver_group_engraver,Engraver, Translator);
177 ADD_THIS_ENGRAVER(Engraver_group_engraver);
180 Engraver_group_engraver::do_print()const
185 mtor << "ID: " << id_str_ ;
186 mtor << " iterators: " << iterator_count_<< "\n";
187 for (PCursor<Engraver*> i(grav_list_.top()); i.ok(); i++)
193 Engraver_group_engraver*
194 Engraver_group_engraver::find_engraver_l(String n, String id)
196 if (name() == n && id_str_ == id)
198 Engraver_group_engraver * r = 0;
199 for (int i =0; !r && i< group_l_arr_.size(); i++) {
200 r = group_l_arr_[i]->find_engraver_l(n,id);
207 Engraver_group_engraver::find_get_translator_l(String n,String id)
210 Input_translator * itrans_l= itrans_l_-> recursive_find ( n );
212 ret = find_engraver_l(n,id);
214 Engraver_group_engraver * group =
215 itrans_l-> get_group_engraver_p();
220 if (group->itrans_l_->is_name_b( n ) )
223 return ret->find_get_translator_l(n,id);
226 } else if (daddy_grav_l_)
227 ret =daddy_grav_l_->find_get_translator_l(n,id);
229 warning("Can't find or create `" + n + "' called `" + id + "'\n");
236 Engraver_group_engraver::depth_i()const
238 return daddy_grav_l_->depth_i() + 1;
242 Engraver_group_engraver::ancestor_l(int l)
244 if (!l || !daddy_grav_l_)
247 return daddy_grav_l_->ancestor_l(l-1);
251 Engraver_group_engraver::announce_element(Score_elem_info info)
253 announce_info_arr_.push(info);
254 Engraver::announce_element(info);
258 Engraver_group_engraver::do_announces()
260 for (int i=0; i < group_l_arr_.size(); i++) {
261 group_l_arr_[i]->do_announces();
266 for (int j =0; j < announce_info_arr_.size(); j++){
267 Score_elem_info info = announce_info_arr_[j];
270 info.req_l_ = &dummy_req;
271 for (int i=0; i < nongroup_l_arr_.size(); i++) { // Is this good enough?6
272 if (nongroup_l_arr_[i] != info.origin_grav_l_arr_[0])
273 nongroup_l_arr_[i]->acknowledge_element(info);
276 announce_info_arr_.clear();
281 Engraver_group_engraver::do_removal_processing()
283 for (PCursor<Engraver*> i(grav_list_.top()); i.ok(); i++)
284 i->removal_processing();
288 Engraver_group_engraver::get_staff_info()const
290 Staff_info inf = Engraver::get_staff_info();
292 for (int i=0; i < nongroup_l_arr_.size(); i++)
293 nongroup_l_arr_[i]->fill_staff_info(inf);
299 Engraver_group_engraver::get_default_interpreter()
302 if ( is_bottom_engraver_b() )
303 return daddy_grav_l_->get_default_interpreter();
305 Engraver_group_engraver *grav_p= itrans_l_->
306 get_default_itrans_l()->get_group_engraver_p();
308 if (grav_p->is_bottom_engraver_b())
311 return grav_p->get_default_interpreter();
315 Engraver_group_engraver::is_bottom_engraver_b()const
317 return !itrans_l_->get_default_itrans_l();
321 Engraver_group_engraver::get_simple_engraver(char const *type)const
323 for (int i=0; i < nongroup_l_arr_.size(); i++) {
324 if (nongroup_l_arr_[i]->name() == type )
325 return nongroup_l_arr_[i];
328 return daddy_grav_l_->get_simple_engraver(type);