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]);
54 Translator_group::add_translator (Translator *trans_p)
56 trans_p_list_.append (new Killing_cons<Translator> (trans_p,0));
58 trans_p->daddy_trans_l_ = this;
59 trans_p->output_def_l_ = output_def_l_;
60 trans_p->add_processing ();
64 Translator_group::set_acceptor (String accepts, bool add)
67 accepts_str_arr_.push (accepts);
69 for (int i=accepts_str_arr_.size (); i--; )
70 if (accepts_str_arr_[i] == accepts)
71 accepts_str_arr_.del (i);
75 Translator_group::add_last_element (String s)
77 if (!get_translator_l (s))
78 error ("Program has no such type");
80 for (int i=consists_end_str_arr_.size (); i--; )
81 if (consists_end_str_arr_[i] == s)
82 warning (_f("Already contains a `%s\'", s));
84 consists_end_str_arr_.push (s);
88 Translator_group::set_element (String s, bool add)
90 if (!get_translator_l (s))
91 error ("Program has no such type");
95 for (int i=consists_str_arr_.size (); i--; )
96 if (consists_str_arr_[i] == s)
97 warning (_f("Already contains a `%s\'", s));
99 consists_str_arr_.push (s);
103 for (int i=consists_str_arr_.size (); i--; )
104 if (consists_str_arr_[i] == s)
105 consists_str_arr_.del (i);
106 for (int i=consists_end_str_arr_.size (); i--; )
107 if (consists_end_str_arr_[i] == s)
108 consists_end_str_arr_.del (i);
112 Translator_group::removable_b() const
114 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
116 if (dynamic_cast <Translator_group *> (p->car_))
120 return !iterator_count_;
124 Translator_group::find_existing_translator_l (String n, String id)
126 if (is_alias_b (n) && (id_str_ == id || id.empty_b ()))
129 Link_array<Translator_group> groups (group_l_arr ());
130 Translator_group* r = 0;
131 for (int i =0; !r && i < groups.size(); i++)
133 r = groups[i]->find_existing_translator_l (n,id);
139 Link_array<Translator_group>
140 Translator_group::path_to_acceptable_translator (String type) const
142 Link_array<Translator_group> accepted_arr;
143 for (int i=0; i < accepts_str_arr_.size (); i++)
145 Translator *t = output_def_l ()->find_translator_l (accepts_str_arr_[i]);
146 if (!t || !dynamic_cast <Translator_group *> (t))
148 accepted_arr.push (dynamic_cast <Translator_group *> (t));
152 for (int i=0; i < accepted_arr.size (); i++)
153 if (accepted_arr[i]->type_str_ == type)
155 Link_array<Translator_group> retval;
156 retval.push (accepted_arr[i]);
160 Link_array<Translator_group> best_result;
161 int best_depth= INT_MAX;
162 for (int i=0; i < accepted_arr.size (); i++)
164 Translator_group * g = accepted_arr[i];
166 Link_array<Translator_group> result
167 = g->path_to_acceptable_translator (type);
168 if (result.size () && result.size () < best_depth)
171 best_result = result;
179 Translator_group::find_create_translator_l (String n, String id)
181 Translator_group * existing = find_existing_translator_l (n,id);
185 Link_array<Translator_group> path = path_to_acceptable_translator (n);
189 Translator_group * current = this;
191 // start at 1. The first one (index 0) will be us.
192 for (int i=0; i < path.size (); i++)
194 Translator_group * new_group = dynamic_cast<Translator_group*>(path[i]->clone ());
195 current->add_translator (new_group);
198 current->id_str_ = id;
202 Translator_group *ret = 0;
204 ret = daddy_trans_l_->find_create_translator_l (n,id);
207 warning (_f ("can't find or create `%s\' called `%s\'", n, id));
215 Translator_group::do_try_music (Music* req_l)
217 bool hebbes_b =false;
219 Link_array<Translator> nongroups (nongroup_l_arr ());
221 for (int i =0; !hebbes_b && i < nongroups.size() ; i++)
222 hebbes_b =nongroups[i]->try_music (req_l);
223 if (!hebbes_b && daddy_trans_l_)
224 hebbes_b = daddy_trans_l_->try_music (req_l);
229 Translator_group::depth_i() const
231 return (daddy_trans_l_) ? daddy_trans_l_->depth_i() + 1 : 0;
235 Translator_group::ancestor_l (int level)
237 if (!level || !daddy_trans_l_)
240 return daddy_trans_l_->ancestor_l (level-1);
243 Link_array<Translator_group>
244 Translator_group::group_l_arr () const
246 Link_array<Translator_group> groups;
247 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
249 if (dynamic_cast <Translator_group *> (p->car_))
250 groups.push (dynamic_cast <Translator_group *> (p->car_));
255 Link_array<Translator>
256 Translator_group::nongroup_l_arr () const
258 Link_array<Translator> groups;
259 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
261 if (!dynamic_cast <Translator_group *> (p->car_))
262 groups.push (p->car_);
267 End translator: call "destructor", remove from hierarchy, and delete
271 Translator_group::terminate_translator (Translator*r_l)
273 DOUT << "Removing " << classname (r_l) << " at " << now_mom () << '\n';
274 r_l->removal_processing();
275 Translator * trans_p =remove_translator_p (r_l);
282 Remove a translator from the hierarchy.
285 Translator_group::remove_translator_p (Translator*trans_l)
289 for (Cons<Translator> **pp = &trans_p_list_.head_; *pp; pp = &(*pp)->next_)
290 if ((*pp)->car_ == trans_l)
292 Cons<Translator> *r = trans_p_list_.remove_cons (pp);
294 trans_l->daddy_trans_l_ =0;
304 Translator_group::get_simple_translator (String type) const
306 Link_array<Translator> nongroups (nongroup_l_arr ());
307 for (int i=0; i < nongroups.size(); i++)
309 if (classname (nongroups[i]) == type)
313 return daddy_trans_l_->get_simple_translator (type);
319 Translator_group::is_bottom_translator_b () const
321 return !accepts_str_arr_.size ();
327 Translator_group::get_default_interpreter()
329 if (accepts_str_arr_.size())
331 Translator*t = output_def_l ()->find_translator_l (accepts_str_arr_[0]);
334 warning (_f ("can't find or create `%s\'", accepts_str_arr_[0]));
337 Translator_group * g= dynamic_cast <Translator_group*>(t->clone ());
340 if (!g->is_bottom_translator_b ())
341 return g->get_default_interpreter ();
349 Translator_group::each (Method_pointer method)
351 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
352 (p->car_->*method) ();
357 Translator_group::each (Const_method_pointer method) const
359 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
360 (p->car_->*method) ();
364 Translator_group::do_print() const
369 for (Dictionary_iter<Scalar> i (properties_dict_); i.ok (); i++)
371 DOUT << i.key () << "=" << i.val () << '\n';
373 if (status == ORPHAN)
375 DOUT << "consists of: ";
376 for (int i=0; i < consists_str_arr_.size (); i++)
377 DOUT << consists_str_arr_[i] << ", ";
378 DOUT << "\naccepts: ";
379 for (int i=0; i < accepts_str_arr_.size (); i++)
380 DOUT << accepts_str_arr_[i] << ", ";
384 if (id_str_.length_i ())
385 DOUT << "ID: " << id_str_ ;
386 DOUT << " iterators: " << iterator_count_<< '\n';
388 each (&Translator::print);
393 Translator_group::do_pre_move_processing ()
395 each (&Translator::pre_move_processing);
399 Translator_group::do_post_move_processing ()
401 each (&Translator::post_move_processing);
405 Translator_group::do_process_requests ()
407 each (&Translator::process_requests);
411 Translator_group::do_creation_processing ()
413 each (&Translator::creation_processing);
417 Translator_group::do_removal_processing ()
419 each (&Translator::removal_processing);
423 Translator_group::do_add_processing ()
425 for (int i=0; i < consists_str_arr_.size(); i++)
427 String s = consists_str_arr_[i];
428 Translator * t = output_def_l ()->find_translator_l (s);
430 warning (_f ("can't find `%s\'", s));
432 add_translator (t->clone ());
434 for (int i=0; i-- < consists_end_str_arr_.size (); i++)
436 String s = consists_end_str_arr_[i];
437 Translator * t = output_def_l ()->find_translator_l (s);
439 warning (_f ("can't find `%s\'", s));
441 add_translator (t->clone ());
446 Translator_group::get_property (String id,
447 Translator_group **where_l) const
449 if (properties_dict_.elem_b (id))
452 *where_l = (Translator_group*) this; // ugh
453 return properties_dict_[id];
458 return daddy_trans_l_->get_property (id, where_l);
467 Translator_group::set_property (String id, Scalar val)
469 properties_dict_[id] = val;