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"
14 #include "rational.hh"
15 #include "dictionary-iter.hh"
17 Translator_group::Translator_group (Translator_group const&s)
20 consists_str_arr_ = s.consists_str_arr_;
21 accepts_str_arr_ = s.accepts_str_arr_;
23 properties_dict_ = s.properties_dict_;
27 Translator_group::~Translator_group ()
29 assert (removable_b());
33 Translator_group::Translator_group()
39 Translator_group::check_removal()
41 Link_array<Translator_group> groups (group_l_arr ());
43 for (int i =0; i < groups.size(); i++)
45 groups[i]->check_removal();
46 if (groups[i]->removable_b())
47 terminate_translator (groups[i]);
56 Translator_group::add_translator (Translator *trans_p)
58 trans_p_list_.bottom().add (trans_p);
59 trans_p->daddy_trans_l_ = this;
60 trans_p->output_def_l_ = output_def_l_;
61 trans_p->add_processing ();
65 Translator_group::set_acceptor (String accepts, bool add)
68 accepts_str_arr_.push (accepts);
70 for (int i=accepts_str_arr_.size (); i--; )
71 if (accepts_str_arr_[i] == accepts)
72 accepts_str_arr_.del (i);
76 Translator_group::set_element (String s, bool add)
78 if (!get_translator_l (s))
79 error ("Program has no such type");
82 consists_str_arr_.push (s);
84 for (int i=consists_str_arr_.size (); i--; )
85 if (consists_str_arr_[i] == s)
86 consists_str_arr_.del (i);
90 Translator_group::removable_b() const
92 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
94 if (dynamic_cast <Translator_group *> (i.ptr ()))
98 return !iterator_count_;
102 Translator_group::find_existing_translator_l (String n, String id)
104 if (is_alias_b (n) && (id_str_ == id || id.empty_b ()))
107 Link_array<Translator_group> groups (group_l_arr ());
108 Translator_group* r = 0;
109 for (int i =0; !r && i < groups.size(); i++)
111 r = groups[i]->find_existing_translator_l (n,id);
117 Link_array<Translator_group>
118 Translator_group::path_to_acceptable_translator (String type) const
120 Link_array<Translator_group> accepted_arr;
121 for (int i=0; i < accepts_str_arr_.size (); i++)
123 Translator *t = output_def_l ()->find_translator_l (accepts_str_arr_[i]);
124 if (!t || !dynamic_cast <Translator_group *> (t))
126 accepted_arr.push (dynamic_cast <Translator_group *> (t));
130 for (int i=0; i < accepted_arr.size (); i++)
131 if (accepted_arr[i]->type_str_ == type)
133 Link_array<Translator_group> retval;
134 retval.push (accepted_arr[i]);
138 Link_array<Translator_group> best_result;
139 int best_depth= INT_MAX;
140 for (int i=0; i < accepted_arr.size (); i++)
142 Translator_group * g = accepted_arr[i];
144 Link_array<Translator_group> result
145 = g->path_to_acceptable_translator (type);
146 if (result.size () && result.size () < best_depth)
149 best_result = result;
157 Translator_group::find_create_translator_l (String n, String id)
159 Translator_group * existing = find_existing_translator_l (n,id);
163 Link_array<Translator_group> path = path_to_acceptable_translator (n);
167 Translator_group * current = this;
169 // start at 1. The first one (index 0) will be us.
170 for (int i=0; i < path.size (); i++)
172 Translator_group * new_group = dynamic_cast<Translator_group*>(path[i]->clone ());
173 current->add_translator (new_group);
176 current->id_str_ = id;
180 Translator_group *ret = 0;
182 ret = daddy_trans_l_->find_create_translator_l (n,id);
185 warning (_f ("can't find or create `%s\' called `%s\'", n, id));
193 Translator_group::do_try_music (Music* req_l)
195 bool hebbes_b =false;
197 Link_array<Translator> nongroups (nongroup_l_arr ());
199 for (int i =0; !hebbes_b && i < nongroups.size() ; i++)
200 hebbes_b =nongroups[i]->try_music (req_l);
201 if (!hebbes_b && daddy_trans_l_)
202 hebbes_b = daddy_trans_l_->try_music (req_l);
207 Translator_group::depth_i() const
209 return (daddy_trans_l_) ? daddy_trans_l_->depth_i() + 1 : 0;
213 Translator_group::ancestor_l (int level)
215 if (!level || !daddy_trans_l_)
218 return daddy_trans_l_->ancestor_l (level-1);
221 Link_array<Translator_group>
222 Translator_group::group_l_arr () const
224 Link_array<Translator_group> groups;
225 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
227 if (dynamic_cast <Translator_group *> (i.ptr ()))
228 groups.push (dynamic_cast <Translator_group *> (i.ptr ()));
233 Link_array<Translator>
234 Translator_group::nongroup_l_arr () const
236 Link_array<Translator> groups;
237 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
239 if (!dynamic_cast <Translator_group *> (i.ptr ()))
240 groups.push (i.ptr ());
246 Translator_group::terminate_translator (Translator*r_l)
248 DOUT << "Removing " << classname (r_l) << " at " << now_mom () << '\n';
249 r_l->removal_processing();
250 Translator * trans_p =remove_translator_p (r_l);
256 Translator_group::remove_translator_p (Translator*trans_l)
260 PCursor<Translator*> trans_cur (trans_p_list_.find (trans_l));
261 Translator * t = trans_cur.remove_p();
263 For elegant design, we would do this too. Alas, it does not work yet..
265 t-> removal_processing ();
267 t-> daddy_trans_l_ = 0;
273 Translator_group::get_simple_translator (String type) const
275 Link_array<Translator> nongroups (nongroup_l_arr ());
276 for (int i=0; i < nongroups.size(); i++)
278 if (classname (nongroups[i]) == type)
282 return daddy_trans_l_->get_simple_translator (type);
288 Translator_group::is_bottom_translator_b () const
290 return !accepts_str_arr_.size ();
296 Translator_group::get_default_interpreter()
298 if (accepts_str_arr_.size())
300 Translator*t = output_def_l ()->find_translator_l (accepts_str_arr_[0]);
303 warning (_f ("can't find or create `%s\'", accepts_str_arr_[0]));
306 Translator_group * g= dynamic_cast <Translator_group*>(t->clone ());
309 if (!g->is_bottom_translator_b ())
310 return g->get_default_interpreter ();
318 Translator_group::each (Method_pointer method)
320 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
321 (i.ptr()->*method) ();
325 Translator_group::each (Const_method_pointer method) const
327 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
328 (i.ptr()->*method) ();
332 Translator_group::do_print() const
337 for (Dictionary_iter<Scalar> i (properties_dict_); i.ok (); i++)
339 DOUT << i.key () << "=" << i.val () << '\n';
341 if (status == ORPHAN)
343 DOUT << "consists of: ";
344 for (int i=0; i < consists_str_arr_.size (); i++)
345 DOUT << consists_str_arr_[i] << ", ";
346 DOUT << "\naccepts: ";
347 for (int i=0; i < accepts_str_arr_.size (); i++)
348 DOUT << accepts_str_arr_[i] << ", ";
352 if (id_str_.length_i ())
353 DOUT << "ID: " << id_str_ ;
354 DOUT << " iterators: " << iterator_count_<< '\n';
356 each (&Translator::print);
361 Translator_group::do_pre_move_processing ()
363 each (&Translator::pre_move_processing);
367 Translator_group::do_post_move_processing ()
369 each (&Translator::post_move_processing);
373 Translator_group::do_process_requests ()
375 each (&Translator::process_requests);
379 Translator_group::do_creation_processing ()
381 each (&Translator::creation_processing);
385 Translator_group::do_removal_processing ()
387 each (&Translator::removal_processing);
391 Translator_group::do_add_processing ()
393 for (int i=0; i < consists_str_arr_.size(); i++)
395 Translator * t = output_def_l ()->find_translator_l (consists_str_arr_[i]);
397 warning (_f ("can't find `%s\'", consists_str_arr_[i]));
399 add_translator (t->clone ());
404 Translator_group::get_property (String id, Translator_group **where_l) const
406 if (properties_dict_.elem_b (id))
410 return properties_dict_[id];
414 return daddy_trans_l_->get_property (id, where_l);
422 Translator_group::set_property (String id, Scalar val)
424 properties_dict_[id] = val;