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-engraver.hh"
18 Engraver_group_engraver::~Engraver_group_engraver()
20 assert(removable_b());
24 Engraver_group_engraver::check_removal()
26 for (int i =0; i < group_l_arr_.size(); ) {
27 group_l_arr_[i]->check_removal();
28 if (group_l_arr_[i]->removable_b())
29 terminate_engraver(group_l_arr_[i]);
37 Engraver_group_engraver::removable_b()const
39 return !iterator_count_&& !group_l_arr_.size() ;
42 Engraver_group_engraver::Engraver_group_engraver()
48 Engraver_group_engraver::set_feature(Feature d)
50 PCursor<Engraver*> i(grav_list_.top());
51 // why the while construct?
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 PCursor<Engraver*> i(grav_list_.top());
64 Engraver *grav_l = i++;
65 grav_l->sync_features();
70 Engraver_group_engraver::do_pre_move_processing()
72 PCursor<Engraver*> i(grav_list_.top());
74 Engraver *grav_l = i++;
75 grav_l->pre_move_processing();
80 Engraver_group_engraver::do_process_requests()
82 PCursor<Engraver*> i(grav_list_.top());
84 Engraver *grav_l = i++;
85 grav_l->process_requests();
91 Engraver_group_engraver::do_post_move_processing()
93 PCursor<Engraver*> i(grav_list_.top());
95 // this construction to ensure clean deletion
96 Engraver *grav_l = i++;
97 grav_l->post_move_processing();
103 Engraver_group_engraver::contains_b(Engraver* grav_l)const
105 bool parent_b = Engraver::contains_b(grav_l);
109 for (PCursor<Engraver*> i(grav_list_.top()); i.ok(); i++)
110 if (i->contains_b(grav_l))
118 Engraver_group_engraver::do_try_request(Request*req_l)
120 bool hebbes_b =false;
121 for (int i =0; !hebbes_b && i < nongroup_l_arr_.size() ; i++)
122 hebbes_b =nongroup_l_arr_[i]->try_request(req_l);
124 hebbes_b = daddy_grav_l_->try_request(req_l);
129 Engraver_group_engraver::try_request(Request* r)
131 return Engraver::try_request(r);
135 Engraver_group_engraver::add(Engraver *grav_p)
137 grav_list_.bottom().add(grav_p);
138 grav_p->daddy_grav_l_ = this;
140 if (grav_p->is_type_b(Engraver_group_engraver::static_name())) {
141 group_l_arr_.push((Engraver_group_engraver*)grav_p);
143 nongroup_l_arr_ .push(grav_p);
149 Engraver_group_engraver::remove_engraver_p(Engraver*grav_l)
151 group_l_arr_.substitute((Engraver_group_engraver*)grav_l,0);
152 nongroup_l_arr_.substitute(grav_l,0);
153 PCursor<Engraver*> grav_cur( grav_list_.find(grav_l) );
155 return grav_cur.remove_p();
159 Engraver_group_engraver::terminate_engraver(Engraver*r_l)
161 mtor << "Removing " << r_l->name() << " at " << get_staff_info().when() << "\n";
162 r_l->do_removal_processing();
163 Engraver * grav_p =remove_engraver_p(r_l);
168 IMPLEMENT_IS_TYPE_B2(Engraver_group_engraver,Engraver, Translator);
169 IMPLEMENT_STATIC_NAME(Engraver_group_engraver);
170 ADD_THIS_ENGRAVER(Engraver_group_engraver);
173 Engraver_group_engraver::do_print()const
176 mtor << "ID: " << id_str_ << "\n";
177 for (PCursor<Engraver*> i(grav_list_.top()); i.ok(); i++)
183 Engraver_group_engraver*
184 Engraver_group_engraver::find_engraver_l(String n, String id)
186 if (name() == n && id_str_ == id)
188 Engraver_group_engraver * r = 0;
189 for (int i =0; !r && i< group_l_arr_.size(); i++) {
190 r = group_l_arr_[i]->find_engraver_l(n,id);
197 Engraver_group_engraver::find_get_translator_l(String n,String id)
200 Input_engraver * igrav_l= igrav_l_-> recursive_find ( n );
202 ret = find_engraver_l(n,id);
204 Engraver_group_engraver * group =
205 igrav_l-> get_group_engraver_p();
210 if (group->igrav_l_->is_name_b( n ) )
213 return ret->find_get_translator_l(n,id);
216 } else if (daddy_grav_l_)
217 ret =daddy_grav_l_->find_get_translator_l(n,id);
219 warning("Can't find or create `" + n + "' called `" + id + "'\n");
226 Engraver_group_engraver::depth_i()const
228 return daddy_grav_l_->depth_i() + 1;
232 Engraver_group_engraver::ancestor_l(int l)
234 if (!l || !daddy_grav_l_)
237 return daddy_grav_l_->ancestor_l(l-1);
241 Engraver_group_engraver::announce_element(Score_elem_info info)
243 announce_info_arr_.push(info);
244 Engraver::announce_element(info);
248 Engraver_group_engraver::do_announces()
250 for (int i=0; i < group_l_arr_.size(); i++) {
251 group_l_arr_[i]->do_announces();
256 for (int j =0; j < announce_info_arr_.size(); j++){
257 Score_elem_info info = announce_info_arr_[j];
260 info.req_l_ = &dummy_req;
261 for (int i=0; i < nongroup_l_arr_.size(); i++) { // Is this good enough?6
262 if (nongroup_l_arr_[i] != info.origin_grav_l_arr_[0])
263 nongroup_l_arr_[i]->acknowledge_element(info);
266 announce_info_arr_.set_size(0);
271 Engraver_group_engraver::do_removal_processing()
273 for (PCursor<Engraver*> i(grav_list_.top()); i.ok(); i++)
274 i->do_removal_processing();
278 Engraver_group_engraver::get_staff_info()const
280 Staff_info inf = Engraver::get_staff_info();
282 for (int i=0; i < nongroup_l_arr_.size(); i++)
283 nongroup_l_arr_[i]->fill_staff_info(inf);
289 Engraver_group_engraver::get_default_interpreter()
292 if ( is_bottom_engraver_b() )
293 return daddy_grav_l_->get_default_interpreter();
295 Engraver_group_engraver *grav_p= igrav_l_->
296 get_default_igrav_l()->get_group_engraver_p();
298 if (grav_p->is_bottom_engraver_b())
301 return grav_p->get_default_interpreter();
305 Engraver_group_engraver::is_bottom_engraver_b()const
307 return !igrav_l_->get_default_igrav_l();