2 Translator_group.cc -- implement Translator_group
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "music-output-def.hh"
10 #include "translator-group.hh"
11 #include "translator.hh"
13 #include "rational.hh"
14 #include "dictionary-iter.hh"
16 #include "killing-cons.tcc"
18 Translator_group::Translator_group (Translator_group const&s)
21 consists_str_arr_ = s.consists_str_arr_;
22 consists_end_str_arr_ = s.consists_end_str_arr_;
23 accepts_str_arr_ = s.accepts_str_arr_;
25 properties_dict_ = s.properties_dict_;
28 Translator_group::~Translator_group ()
30 assert (removable_b());
31 trans_p_list_.junk ();
35 Translator_group::Translator_group()
41 Translator_group::check_removal()
43 Link_array<Translator_group> groups (group_l_arr ());
45 for (int i =0; i < groups.size(); i++)
47 groups[i]->check_removal();
48 if (groups[i]->removable_b())
49 terminate_translator (groups[i]);
58 Translator_group::add_translator (Translator *trans_p)
60 trans_p_list_.append (new Killing_cons<Translator> (trans_p,0));
62 trans_p->daddy_trans_l_ = this;
63 trans_p->output_def_l_ = output_def_l_;
64 trans_p->add_processing ();
68 Translator_group::set_acceptor (String accepts, bool add)
71 accepts_str_arr_.push (accepts);
73 for (int i=accepts_str_arr_.size (); i--; )
74 if (accepts_str_arr_[i] == accepts)
75 accepts_str_arr_.del (i);
79 Translator_group::add_last_element (String s)
81 if (!get_translator_l (s))
82 error ("Program has no such type");
84 for (int i=consists_end_str_arr_.size (); i--; )
85 if (consists_end_str_arr_[i] == s)
86 warning (_f("Already contains a `%s\'", s));
88 consists_end_str_arr_.push (s);
92 Translator_group::set_element (String s, bool add)
94 if (!get_translator_l (s))
95 error ("Program has no such type");
99 for (int i=consists_str_arr_.size (); i--; )
100 if (consists_str_arr_[i] == s)
101 warning (_f("Already contains a `%s\'", s));
103 consists_str_arr_.push (s);
107 for (int i=consists_str_arr_.size (); i--; )
108 if (consists_str_arr_[i] == s)
109 consists_str_arr_.del (i);
110 for (int i=consists_end_str_arr_.size (); i--; )
111 if (consists_end_str_arr_[i] == s)
112 consists_end_str_arr_.del (i);
116 Translator_group::removable_b() const
118 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
120 if (dynamic_cast <Translator_group *> (p->car_))
124 return !iterator_count_;
128 Translator_group::find_existing_translator_l (String n, String id)
130 if (is_alias_b (n) && (id_str_ == id || id.empty_b ()))
133 Link_array<Translator_group> groups (group_l_arr ());
134 Translator_group* r = 0;
135 for (int i =0; !r && i < groups.size(); i++)
137 r = groups[i]->find_existing_translator_l (n,id);
143 Link_array<Translator_group>
144 Translator_group::path_to_acceptable_translator (String type) const
146 Link_array<Translator_group> accepted_arr;
147 for (int i=0; i < accepts_str_arr_.size (); i++)
149 Translator *t = output_def_l ()->find_translator_l (accepts_str_arr_[i]);
150 if (!t || !dynamic_cast <Translator_group *> (t))
152 accepted_arr.push (dynamic_cast <Translator_group *> (t));
156 for (int i=0; i < accepted_arr.size (); i++)
157 if (accepted_arr[i]->type_str_ == type)
159 Link_array<Translator_group> retval;
160 retval.push (accepted_arr[i]);
164 Link_array<Translator_group> best_result;
165 int best_depth= INT_MAX;
166 for (int i=0; i < accepted_arr.size (); i++)
168 Translator_group * g = accepted_arr[i];
170 Link_array<Translator_group> result
171 = g->path_to_acceptable_translator (type);
172 if (result.size () && result.size () < best_depth)
175 best_result = result;
183 Translator_group::find_create_translator_l (String n, String id)
185 Translator_group * existing = find_existing_translator_l (n,id);
189 Link_array<Translator_group> path = path_to_acceptable_translator (n);
193 Translator_group * current = this;
195 // start at 1. The first one (index 0) will be us.
196 for (int i=0; i < path.size (); i++)
198 Translator_group * new_group = dynamic_cast<Translator_group*>(path[i]->clone ());
199 current->add_translator (new_group);
202 current->id_str_ = id;
206 Translator_group *ret = 0;
208 ret = daddy_trans_l_->find_create_translator_l (n,id);
211 warning (_f ("can't find or create `%s\' called `%s\'", n, id));
219 Translator_group::do_try_music (Music* req_l)
221 bool hebbes_b =false;
223 Link_array<Translator> nongroups (nongroup_l_arr ());
225 for (int i =0; !hebbes_b && i < nongroups.size() ; i++)
226 hebbes_b =nongroups[i]->try_music (req_l);
227 if (!hebbes_b && daddy_trans_l_)
228 hebbes_b = daddy_trans_l_->try_music (req_l);
233 Translator_group::depth_i() const
235 return (daddy_trans_l_) ? daddy_trans_l_->depth_i() + 1 : 0;
239 Translator_group::ancestor_l (int level)
241 if (!level || !daddy_trans_l_)
244 return daddy_trans_l_->ancestor_l (level-1);
247 Link_array<Translator_group>
248 Translator_group::group_l_arr () const
250 Link_array<Translator_group> groups;
251 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
253 if (dynamic_cast <Translator_group *> (p->car_))
254 groups.push (dynamic_cast <Translator_group *> (p->car_));
259 Link_array<Translator>
260 Translator_group::nongroup_l_arr () const
262 Link_array<Translator> groups;
263 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
265 if (!dynamic_cast <Translator_group *> (p->car_))
266 groups.push (p->car_);
271 End translator: call "destructor", remove from hierarchy, and delete
275 Translator_group::terminate_translator (Translator*r_l)
277 DOUT << "Removing " << classname (r_l) << " at " << now_mom () << '\n';
278 r_l->removal_processing();
279 Translator * trans_p =remove_translator_p (r_l);
286 Remove a translator from the hierarchy.
289 Translator_group::remove_translator_p (Translator*trans_l)
293 for (Cons<Translator> **pp = &trans_p_list_.head_; *pp; pp = &(*pp)->next_)
294 if ((*pp)->car_ == trans_l)
296 Cons<Translator> *r = trans_p_list_.remove_cons (pp);
298 trans_l->daddy_trans_l_ =0;
308 Translator_group::get_simple_translator (String type) const
310 Link_array<Translator> nongroups (nongroup_l_arr ());
311 for (int i=0; i < nongroups.size(); i++)
313 if (classname (nongroups[i]) == type)
317 return daddy_trans_l_->get_simple_translator (type);
323 Translator_group::is_bottom_translator_b () const
325 return !accepts_str_arr_.size ();
331 Translator_group::get_default_interpreter()
333 if (accepts_str_arr_.size())
335 Translator*t = output_def_l ()->find_translator_l (accepts_str_arr_[0]);
338 warning (_f ("can't find or create `%s\'", accepts_str_arr_[0]));
341 Translator_group * g= dynamic_cast <Translator_group*>(t->clone ());
344 if (!g->is_bottom_translator_b ())
345 return g->get_default_interpreter ();
353 Translator_group::each (Method_pointer method)
355 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
356 (p->car_->*method) ();
361 Translator_group::each (Const_method_pointer method) const
363 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
364 (p->car_->*method) ();
368 Translator_group::do_print() const
373 for (Dictionary_iter<Scalar> i (properties_dict_); i.ok (); i++)
375 DOUT << i.key () << "=" << i.val () << '\n';
377 if (status == ORPHAN)
379 DOUT << "consists of: ";
380 for (int i=0; i < consists_str_arr_.size (); i++)
381 DOUT << consists_str_arr_[i] << ", ";
382 DOUT << "\naccepts: ";
383 for (int i=0; i < accepts_str_arr_.size (); i++)
384 DOUT << accepts_str_arr_[i] << ", ";
388 if (id_str_.length_i ())
389 DOUT << "ID: " << id_str_ ;
390 DOUT << " iterators: " << iterator_count_<< '\n';
392 each (&Translator::print);
397 Translator_group::do_pre_move_processing ()
399 each (&Translator::pre_move_processing);
403 Translator_group::do_post_move_processing ()
405 each (&Translator::post_move_processing);
409 Translator_group::do_process_requests ()
411 each (&Translator::process_requests);
415 Translator_group::do_creation_processing ()
417 each (&Translator::creation_processing);
421 Translator_group::do_removal_processing ()
423 each (&Translator::removal_processing);
427 Translator_group::do_add_processing ()
429 for (int i=0; i < consists_str_arr_.size(); i++)
431 String s = consists_str_arr_[i];
432 Translator * t = output_def_l ()->find_translator_l (s);
434 warning (_f ("can't find `%s\'", s));
436 add_translator (t->clone ());
438 for (int i=0; i-- < consists_end_str_arr_.size (); i++)
440 String s = consists_end_str_arr_[i];
441 Translator * t = output_def_l ()->find_translator_l (s);
443 warning (_f ("can't find `%s\'", s));
445 add_translator (t->clone ());
450 Translator_group::get_property (String id,
451 Translator_group **where_l) const
453 if (properties_dict_.elem_b (id))
456 *where_l = (Translator_group*) this; // ugh
457 return properties_dict_[id];
462 return daddy_trans_l_->get_property (id, where_l);
471 Translator_group::set_property (String id, Scalar val)
473 properties_dict_[id] = val;