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 accepts_str_arr_ = s.accepts_str_arr_;
24 properties_dict_ = s.properties_dict_;
27 Translator_group::~Translator_group ()
29 assert (removable_b());
30 trans_p_list_.junk ();
34 Translator_group::Translator_group()
40 Translator_group::check_removal()
42 Link_array<Translator_group> groups (group_l_arr ());
44 for (int i =0; i < groups.size(); i++)
46 groups[i]->check_removal();
47 if (groups[i]->removable_b())
48 terminate_translator (groups[i]);
57 Translator_group::add_translator (Translator *trans_p)
59 trans_p_list_.append (new Killing_cons<Translator> (trans_p,0));
61 trans_p->daddy_trans_l_ = this;
62 trans_p->output_def_l_ = output_def_l_;
63 trans_p->add_processing ();
67 Translator_group::set_acceptor (String accepts, bool add)
70 accepts_str_arr_.push (accepts);
72 for (int i=accepts_str_arr_.size (); i--; )
73 if (accepts_str_arr_[i] == accepts)
74 accepts_str_arr_.del (i);
78 Translator_group::set_element (String s, bool add)
80 if (!get_translator_l (s))
81 error ("Program has no such type");
85 for (int i=consists_str_arr_.size (); i--; )
86 if (consists_str_arr_[i] == s)
87 warning (_f("Already contains a `%s\'", s));
89 consists_str_arr_.push (s);
92 for (int i=consists_str_arr_.size (); i--; )
93 if (consists_str_arr_[i] == s)
94 consists_str_arr_.del (i);
98 Translator_group::removable_b() const
100 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
102 if (dynamic_cast <Translator_group *> (p->car_))
106 return !iterator_count_;
110 Translator_group::find_existing_translator_l (String n, String id)
112 if (is_alias_b (n) && (id_str_ == id || id.empty_b ()))
115 Link_array<Translator_group> groups (group_l_arr ());
116 Translator_group* r = 0;
117 for (int i =0; !r && i < groups.size(); i++)
119 r = groups[i]->find_existing_translator_l (n,id);
125 Link_array<Translator_group>
126 Translator_group::path_to_acceptable_translator (String type) const
128 Link_array<Translator_group> accepted_arr;
129 for (int i=0; i < accepts_str_arr_.size (); i++)
131 Translator *t = output_def_l ()->find_translator_l (accepts_str_arr_[i]);
132 if (!t || !dynamic_cast <Translator_group *> (t))
134 accepted_arr.push (dynamic_cast <Translator_group *> (t));
138 for (int i=0; i < accepted_arr.size (); i++)
139 if (accepted_arr[i]->type_str_ == type)
141 Link_array<Translator_group> retval;
142 retval.push (accepted_arr[i]);
146 Link_array<Translator_group> best_result;
147 int best_depth= INT_MAX;
148 for (int i=0; i < accepted_arr.size (); i++)
150 Translator_group * g = accepted_arr[i];
152 Link_array<Translator_group> result
153 = g->path_to_acceptable_translator (type);
154 if (result.size () && result.size () < best_depth)
157 best_result = result;
165 Translator_group::find_create_translator_l (String n, String id)
167 Translator_group * existing = find_existing_translator_l (n,id);
171 Link_array<Translator_group> path = path_to_acceptable_translator (n);
175 Translator_group * current = this;
177 // start at 1. The first one (index 0) will be us.
178 for (int i=0; i < path.size (); i++)
180 Translator_group * new_group = dynamic_cast<Translator_group*>(path[i]->clone ());
181 current->add_translator (new_group);
184 current->id_str_ = id;
188 Translator_group *ret = 0;
190 ret = daddy_trans_l_->find_create_translator_l (n,id);
193 warning (_f ("can't find or create `%s\' called `%s\'", n, id));
201 Translator_group::do_try_music (Music* req_l)
203 bool hebbes_b =false;
205 Link_array<Translator> nongroups (nongroup_l_arr ());
207 for (int i =0; !hebbes_b && i < nongroups.size() ; i++)
208 hebbes_b =nongroups[i]->try_music (req_l);
209 if (!hebbes_b && daddy_trans_l_)
210 hebbes_b = daddy_trans_l_->try_music (req_l);
215 Translator_group::depth_i() const
217 return (daddy_trans_l_) ? daddy_trans_l_->depth_i() + 1 : 0;
221 Translator_group::ancestor_l (int level)
223 if (!level || !daddy_trans_l_)
226 return daddy_trans_l_->ancestor_l (level-1);
229 Link_array<Translator_group>
230 Translator_group::group_l_arr () const
232 Link_array<Translator_group> groups;
233 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
235 if (dynamic_cast <Translator_group *> (p->car_))
236 groups.push (dynamic_cast <Translator_group *> (p->car_));
241 Link_array<Translator>
242 Translator_group::nongroup_l_arr () const
244 Link_array<Translator> groups;
245 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
247 if (!dynamic_cast <Translator_group *> (p->car_))
248 groups.push (p->car_);
253 End translator: call "destructor", remove from hierarchy, and delete
257 Translator_group::terminate_translator (Translator*r_l)
259 DOUT << "Removing " << classname (r_l) << " at " << now_mom () << '\n';
260 r_l->removal_processing();
261 Translator * trans_p =remove_translator_p (r_l);
268 Remove a translator from the hierarchy.
271 Translator_group::remove_translator_p (Translator*trans_l)
275 for (Cons<Translator> **pp = &trans_p_list_.head_; *pp; pp = &(*pp)->next_)
276 if ((*pp)->car_ == trans_l)
278 Cons<Translator> *r = trans_p_list_.remove_cons (pp);
280 trans_l->daddy_trans_l_ =0;
290 Translator_group::get_simple_translator (String type) const
292 Link_array<Translator> nongroups (nongroup_l_arr ());
293 for (int i=0; i < nongroups.size(); i++)
295 if (classname (nongroups[i]) == type)
299 return daddy_trans_l_->get_simple_translator (type);
305 Translator_group::is_bottom_translator_b () const
307 return !accepts_str_arr_.size ();
313 Translator_group::get_default_interpreter()
315 if (accepts_str_arr_.size())
317 Translator*t = output_def_l ()->find_translator_l (accepts_str_arr_[0]);
320 warning (_f ("can't find or create `%s\'", accepts_str_arr_[0]));
323 Translator_group * g= dynamic_cast <Translator_group*>(t->clone ());
326 if (!g->is_bottom_translator_b ())
327 return g->get_default_interpreter ();
335 Translator_group::each (Method_pointer method)
337 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
338 (p->car_->*method) ();
343 Translator_group::each (Const_method_pointer method) const
345 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
346 (p->car_->*method) ();
350 Translator_group::do_print() const
355 for (Dictionary_iter<Scalar> i (properties_dict_); i.ok (); i++)
357 DOUT << i.key () << "=" << i.val () << '\n';
359 if (status == ORPHAN)
361 DOUT << "consists of: ";
362 for (int i=0; i < consists_str_arr_.size (); i++)
363 DOUT << consists_str_arr_[i] << ", ";
364 DOUT << "\naccepts: ";
365 for (int i=0; i < accepts_str_arr_.size (); i++)
366 DOUT << accepts_str_arr_[i] << ", ";
370 if (id_str_.length_i ())
371 DOUT << "ID: " << id_str_ ;
372 DOUT << " iterators: " << iterator_count_<< '\n';
374 each (&Translator::print);
379 Translator_group::do_pre_move_processing ()
381 each (&Translator::pre_move_processing);
385 Translator_group::do_post_move_processing ()
387 each (&Translator::post_move_processing);
391 Translator_group::do_process_requests ()
393 each (&Translator::process_requests);
397 Translator_group::do_creation_processing ()
399 each (&Translator::creation_processing);
403 Translator_group::do_removal_processing ()
405 each (&Translator::removal_processing);
409 Translator_group::do_add_processing ()
411 for (int i=0; i < consists_str_arr_.size(); i++)
413 Translator * t = output_def_l ()->find_translator_l (consists_str_arr_[i]);
415 warning (_f ("can't find `%s\'", consists_str_arr_[i]));
417 add_translator (t->clone ());
422 Translator_group::get_property (String id,
423 Translator_group **where_l) const
425 if (properties_dict_.elem_b (id))
428 *where_l = (Translator_group*) this; // ugh
429 return properties_dict_[id];
433 return daddy_trans_l_->get_property (id, where_l);
441 Translator_group::set_property (String id, Scalar val)
443 properties_dict_[id] = val;