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));
214 Translator_group::try_music_on_nongroup_children (Music *m)
216 bool hebbes_b =false;
218 Link_array<Translator> nongroups (nongroup_l_arr ());
220 for (int i =0; !hebbes_b && i < nongroups.size() ; i++)
221 hebbes_b =nongroups[i]->try_music (m);
226 Translator_group::do_try_music (Music* m)
228 bool hebbes_b = try_music_on_nongroup_children (m);
230 if (!hebbes_b && daddy_trans_l_)
231 hebbes_b = daddy_trans_l_->try_music (m);
236 Translator_group::depth_i() const
238 return (daddy_trans_l_) ? daddy_trans_l_->depth_i() + 1 : 0;
242 Translator_group::ancestor_l (int level)
244 if (!level || !daddy_trans_l_)
247 return daddy_trans_l_->ancestor_l (level-1);
250 Link_array<Translator_group>
251 Translator_group::group_l_arr () const
253 Link_array<Translator_group> groups;
254 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
256 if (dynamic_cast <Translator_group *> (p->car_))
257 groups.push (dynamic_cast <Translator_group *> (p->car_));
262 Link_array<Translator>
263 Translator_group::nongroup_l_arr () const
265 Link_array<Translator> groups;
266 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
268 if (!dynamic_cast <Translator_group *> (p->car_))
269 groups.push (p->car_);
274 End translator: call "destructor", remove from hierarchy, and delete
278 Translator_group::terminate_translator (Translator*r_l)
280 DOUT << "Removing " << classname (r_l) << " at " << now_mom () << '\n';
281 r_l->removal_processing();
282 Translator * trans_p =remove_translator_p (r_l);
289 Remove a translator from the hierarchy.
292 Translator_group::remove_translator_p (Translator*trans_l)
296 for (Cons<Translator> **pp = &trans_p_list_.head_; *pp; pp = &(*pp)->next_)
297 if ((*pp)->car_ == trans_l)
299 Cons<Translator> *r = trans_p_list_.remove_cons (pp);
301 trans_l->daddy_trans_l_ =0;
311 Translator_group::get_simple_translator (String type) const
313 Link_array<Translator> nongroups (nongroup_l_arr ());
314 for (int i=0; i < nongroups.size(); i++)
316 if (classname (nongroups[i]) == type)
320 return daddy_trans_l_->get_simple_translator (type);
326 Translator_group::is_bottom_translator_b () const
328 return !accepts_str_arr_.size ();
334 Translator_group::get_default_interpreter()
336 if (accepts_str_arr_.size())
338 Translator*t = output_def_l ()->find_translator_l (accepts_str_arr_[0]);
341 warning (_f ("can't find or create `%s\'", accepts_str_arr_[0]));
344 Translator_group * g= dynamic_cast <Translator_group*>(t->clone ());
347 if (!g->is_bottom_translator_b ())
348 return g->get_default_interpreter ();
356 Translator_group::each (Method_pointer method)
358 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
359 (p->car_->*method) ();
364 Translator_group::each (Const_method_pointer method) const
366 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
367 (p->car_->*method) ();
371 Translator_group::do_print() const
376 for (Dictionary_iter<Scalar> i (properties_dict_); i.ok (); i++)
378 DOUT << i.key () << "=" << i.val () << '\n';
380 if (status == ORPHAN)
382 DOUT << "consists of: ";
383 for (int i=0; i < consists_str_arr_.size (); i++)
384 DOUT << consists_str_arr_[i] << ", ";
385 DOUT << "\naccepts: ";
386 for (int i=0; i < accepts_str_arr_.size (); i++)
387 DOUT << accepts_str_arr_[i] << ", ";
391 if (id_str_.length_i ())
392 DOUT << "ID: " << id_str_ ;
393 DOUT << " iterators: " << iterator_count_<< '\n';
395 each (&Translator::print);
400 Translator_group::do_pre_move_processing ()
402 each (&Translator::pre_move_processing);
406 Translator_group::do_post_move_processing ()
408 each (&Translator::post_move_processing);
412 Translator_group::do_process_requests ()
414 each (&Translator::process_requests);
418 Translator_group::do_creation_processing ()
420 each (&Translator::creation_processing);
424 Translator_group::do_removal_processing ()
426 each (&Translator::removal_processing);
430 Translator_group::do_add_processing ()
432 for (int i=0; i < consists_str_arr_.size(); i++)
434 String s = consists_str_arr_[i];
435 Translator * t = output_def_l ()->find_translator_l (s);
437 warning (_f ("can't find `%s\'", s));
439 add_translator (t->clone ());
441 for (int i=0; i-- < consists_end_str_arr_.size (); i++)
443 String s = consists_end_str_arr_[i];
444 Translator * t = output_def_l ()->find_translator_l (s);
446 warning (_f ("can't find `%s\'", s));
448 add_translator (t->clone ());
453 Translator_group::get_property (String id,
454 Translator_group **where_l) const
456 if (properties_dict_.elem_b (id))
459 *where_l = (Translator_group*) this; // ugh
460 return properties_dict_[id];
465 return daddy_trans_l_->get_property (id, where_l);
474 Translator_group::set_property (String id, Scalar val)
476 properties_dict_[id] = val;