2 Translator_group.cc -- implement Translator_group
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "music-output-def.hh"
10 #include "translator-group.hh"
11 #include "translator.hh"
14 #include "rational.hh"
16 Translator_group::Translator_group (Translator_group const&s)
19 consists_str_arr_ = s.consists_str_arr_;
20 accepts_str_arr_ = s.accepts_str_arr_;
24 Translator_group::~Translator_group ()
26 assert (removable_b());
30 Translator_group::Translator_group()
36 Translator_group::check_removal()
38 Link_array<Translator_group> groups (group_l_arr ());
40 for (int i =0; i < groups.size(); i++)
42 groups[i]->check_removal();
43 if (groups[i]->removable_b())
44 terminate_translator (groups[i]);
50 IMPLEMENT_IS_TYPE_B1(Translator_group, Translator);
53 Translator_group::add_translator (Translator *trans_p)
55 trans_p_list_.bottom().add (trans_p);
56 trans_p->daddy_trans_l_ = this;
57 trans_p->output_def_l_ = output_def_l_;
58 trans_p->add_processing ();
62 Translator_group::set_acceptor (String accepts, bool add)
65 accepts_str_arr_.push (accepts);
67 for (int i=accepts_str_arr_.size (); i--; )
68 if (accepts_str_arr_[i] == accepts)
69 accepts_str_arr_.del (i);
73 Translator_group::set_element (String s, bool add)
75 if (!get_translator_l (s))
76 error ("Program has no such type");
79 consists_str_arr_.push (s);
81 for (int i=consists_str_arr_.size (); i--; )
82 if (consists_str_arr_[i] == s)
83 consists_str_arr_.del (i);
87 Translator_group::removable_b() const
89 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
91 if (dynamic_cast <Translator_group *> (i.ptr ()))
95 return !iterator_count_;
99 Translator_group::find_existing_translator_l (String n, String id)
101 if (is_alias_b (n) && (id_str_ == id || id.empty_b ()))
104 Link_array<Translator_group> groups (group_l_arr ());
105 Translator_group* r = 0;
106 for (int i =0; !r && i < groups.size(); i++)
108 r = groups[i]->find_existing_translator_l (n,id);
114 Link_array<Translator_group>
115 Translator_group::path_to_acceptable_translator (String type) const
117 Link_array<Translator_group> accepted_arr;
118 for (int i=0; i < accepts_str_arr_.size (); i++)
120 Translator *t = output_def_l ()->find_translator_l (accepts_str_arr_[i]);
121 if (!t || !dynamic_cast <Translator_group *> (t))
123 accepted_arr.push (dynamic_cast <Translator_group *> (t));
127 for (int i=0; i < accepted_arr.size (); i++)
128 if (accepted_arr[i]->type_str_ == type)
130 Link_array<Translator_group> retval;
131 retval.push (accepted_arr[i]);
135 Link_array<Translator_group> best_result;
136 int best_depth= INT_MAX;
137 for (int i=0; i < accepted_arr.size (); i++)
139 Translator_group * g = accepted_arr[i];
141 Link_array<Translator_group> result
142 = g->path_to_acceptable_translator (type);
143 if (result.size () && result.size () < best_depth)
146 best_result = result;
154 Translator_group::find_create_translator_l (String n, String id)
156 Translator_group * existing = find_existing_translator_l (n,id);
160 Link_array<Translator_group> path = path_to_acceptable_translator (n);
164 Translator_group * current = this;
166 // start at 1. The first one (index 0) will be us.
167 for (int i=0; i < path.size (); i++)
169 Translator_group * new_group = dynamic_cast<Translator_group*>(path[i]->clone ());
170 current->add_translator (new_group);
173 current->id_str_ = id;
177 Translator_group *ret = 0;
179 ret = daddy_trans_l_->find_create_translator_l (n,id);
182 warning (_f ("can't find or create `%s\' called `%s\'", n, id));
190 Translator_group::do_try_request (Request* req_l)
192 bool hebbes_b =false;
194 Link_array<Translator> nongroups (nongroup_l_arr ());
196 for (int i =0; !hebbes_b && i < nongroups.size() ; i++)
197 hebbes_b =nongroups[i]->try_request (req_l);
198 if (!hebbes_b && daddy_trans_l_)
199 hebbes_b = daddy_trans_l_->try_request (req_l);
204 Translator_group::depth_i() const
206 return (daddy_trans_l_) ? daddy_trans_l_->depth_i() + 1 : 0;
210 Translator_group::ancestor_l (int level)
212 if (!level || !daddy_trans_l_)
215 return daddy_trans_l_->ancestor_l (level-1);
218 Link_array<Translator_group>
219 Translator_group::group_l_arr () const
221 Link_array<Translator_group> groups;
222 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
224 if (dynamic_cast <Translator_group *> (i.ptr ()))
225 groups.push (dynamic_cast <Translator_group *> (i.ptr ()));
230 Link_array<Translator>
231 Translator_group::nongroup_l_arr () const
233 Link_array<Translator> groups;
234 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
236 if (!dynamic_cast <Translator_group *> (i.ptr ()))
237 groups.push (i.ptr ());
243 Translator_group::terminate_translator (Translator*r_l)
245 DOUT << "Removing " << r_l->name() << " at " << now_moment () << '\n';
246 r_l->removal_processing();
247 Translator * trans_p =remove_translator_p (r_l);
253 Translator_group::remove_translator_p (Translator*trans_l)
257 PCursor<Translator*> trans_cur (trans_p_list_.find (trans_l));
258 Translator * t = trans_cur.remove_p();
260 For elegant design, we would do this too. Alas, it does not work yet..
262 t-> removal_processing ();
264 t-> daddy_trans_l_ = 0;
270 Translator_group::get_simple_translator (char const *type) const
272 Link_array<Translator> nongroups (nongroup_l_arr ());
273 for (int i=0; i < nongroups.size(); i++)
275 if (nongroups[i]->name() == type)
279 return daddy_trans_l_->get_simple_translator (type);
285 Translator_group::is_bottom_translator_b () const
287 return !accepts_str_arr_.size ();
293 Translator_group::get_default_interpreter()
295 if (accepts_str_arr_.size())
297 Translator*t = output_def_l ()->find_translator_l (accepts_str_arr_[0]);
300 warning (_f ("can't find or create `%s\'", accepts_str_arr_[0]));
303 Translator_group * g= dynamic_cast <Translator_group*>(t->clone ());
306 if (!g->is_bottom_translator_b ())
307 return g->get_default_interpreter ();
315 Translator_group::each (Method_pointer method)
317 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
318 (i.ptr()->*method) ();
322 Translator_group::each (Const_method_pointer method) const
324 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
325 (i.ptr()->*method) ();
329 Translator_group::do_print() const
334 if (status == ORPHAN)
336 DOUT << "consists of: ";
337 for (int i=0; i < consists_str_arr_.size (); i++)
338 DOUT << consists_str_arr_[i] << ", ";
339 DOUT << "\naccepts: ";
340 for (int i=0; i < accepts_str_arr_.size (); i++)
341 DOUT << accepts_str_arr_[i] << ", ";
345 if (id_str_.length_i ())
346 DOUT << "ID: " << id_str_ ;
347 DOUT << " iterators: " << iterator_count_<< '\n';
349 each (&Translator::print);
354 Translator_group::do_pre_move_processing ()
356 each (&Translator::pre_move_processing);
360 Translator_group::do_post_move_processing ()
362 each (&Translator::post_move_processing);
366 Translator_group::do_process_requests ()
368 each (&Translator::process_requests);
372 Translator_group::do_creation_processing ()
374 each (&Translator::creation_processing);
378 Translator_group::do_removal_processing ()
380 each (&Translator::removal_processing);
384 Translator_group::do_add_processing ()
386 for (int i=0; i < consists_str_arr_.size(); i++)
388 Translator * t = output_def_l ()->find_translator_l (consists_str_arr_[i]);
390 warning (_f ("can't find `%s\'", consists_str_arr_[i]));
392 add_translator (t->clone ());