2 Translator_group.cc -- implement Translator_group
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 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"
16 Translator_group::Translator_group (Translator_group const&s)
19 consists_str_arr_ = s.consists_str_arr_;
20 accepts_str_arr_ = s.accepts_str_arr_;
24 Translator_group::~Translator_group ()
26 assert (removable_b());
30 Translator_group::Translator_group()
36 Translator_group::check_removal()
38 for (int i =0; i < group_l_arr ().size();)
40 group_l_arr ()[i]->check_removal();
41 if (group_l_arr ()[i]->removable_b())
42 terminate_translator (group_l_arr ()[i]);
50 IMPLEMENT_IS_TYPE_B1(Translator_group, Translator);
53 Translator_group::add_translator (Translator *trans_p)
55 trans_p_list_.bottom().add (trans_p);
56 trans_p->daddy_trans_l_ = this;
57 trans_p->output_def_l_ = output_def_l_;
58 trans_p->add_processing ();
62 Translator_group::set_acceptor (String accepts, bool add)
65 accepts_str_arr_.push (accepts);
67 for (int i=accepts_str_arr_.size (); i--; )
68 if (accepts_str_arr_[i] == accepts)
69 accepts_str_arr_.del (i);
73 Translator_group::set_element (String s, bool add)
75 if (!get_translator_l (s))
76 error ("Program has no such type");
79 consists_str_arr_.push (s);
81 for (int i=consists_str_arr_.size (); i--; )
82 if (consists_str_arr_[i] == s)
83 consists_str_arr_.del (i);
87 Translator_group::removable_b() const
89 return !(iterator_count_ || group_l_arr ().size());
93 Translator_group::find_existing_translator_l (String n, String id)
95 if (is_alias_b (n) && (id_str_ == id || id.empty_b ()))
97 Translator_group* r = 0;
98 for (int i =0; !r && i < group_l_arr ().size(); i++)
100 r = group_l_arr ()[i]->find_existing_translator_l (n,id);
106 Link_array<Translator_group>
107 Translator_group::path_to_acceptable_translator (String type) const
109 Link_array<Translator_group> accepted_arr;
110 for (int i=0; i < accepts_str_arr_.size (); i++)
112 Translator *t = output_def_l ()->find_translator_l (accepts_str_arr_[i]);
113 if (!t || !t->access_Translator_group ())
115 accepted_arr.push (t->access_Translator_group ());
119 for (int i=0; i < accepted_arr.size (); i++)
120 if (accepted_arr[i]->type_str_ == type)
122 Link_array<Translator_group> retval;
123 retval.push (accepted_arr[i]);
127 Link_array<Translator_group> best_result;
128 int best_depth= INT_MAX;
129 for (int i=0; i < accepted_arr.size (); i++)
131 Translator_group * g = accepted_arr[i];
133 Link_array<Translator_group> result
134 = g->path_to_acceptable_translator (type);
135 if (result.size () && result.size () < best_depth)
138 best_result = result;
146 Translator_group::find_create_translator_l (String n, String id)
148 Translator_group * existing = find_existing_translator_l (n,id);
152 Link_array<Translator_group> path = path_to_acceptable_translator (n);
156 Translator_group * current = this;
158 // start at 1. The first one (index 0) will be us.
159 for (int i=0; i < path.size (); i++)
161 Translator_group * new_group = path[i]->clone ()->access_Translator_group ();
162 current->add_translator (new_group);
165 current->id_str_ = id;
169 Translator_group *ret = 0;
171 ret = daddy_trans_l_->find_create_translator_l (n,id);
174 warning (_f ("can't find or create `%s\' called `%s\'", n, id));
182 Translator_group::do_try_request (Request* req_l)
184 bool hebbes_b =false;
185 for (int i =0; !hebbes_b && i < nongroup_l_arr ().size() ; i++)
186 hebbes_b =nongroup_l_arr ()[i]->try_request (req_l);
187 if (!hebbes_b && daddy_trans_l_)
188 hebbes_b = daddy_trans_l_->try_request (req_l);
193 Translator_group::depth_i() const
195 return (daddy_trans_l_) ? daddy_trans_l_->depth_i() + 1 : 0;
199 Translator_group::ancestor_l (int level)
201 if (!level || !daddy_trans_l_)
204 return daddy_trans_l_->ancestor_l (level-1);
207 Link_array<Translator_group>
208 Translator_group::group_l_arr () const
210 Link_array<Translator_group> groups;
211 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
213 if (i->access_Translator_group ())
214 groups.push (i->access_Translator_group ());
219 Link_array<Translator>
220 Translator_group::nongroup_l_arr () const
222 Link_array<Translator> groups;
223 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
225 if (!i->access_Translator_group ())
226 groups.push (i.ptr ());
232 Translator_group::terminate_translator (Translator*r_l)
234 DOUT << "Removing " << r_l->name() << " at " << now_moment () << '\n';
235 r_l->removal_processing();
236 Translator * trans_p =remove_translator_p (r_l);
242 Translator_group::remove_translator_p (Translator*trans_l)
246 PCursor<Translator*> trans_cur (trans_p_list_.find (trans_l));
247 Translator * t = trans_cur.remove_p();
249 For elegant design, we would do this too. Alas, it does not work yet..
251 t-> removal_processing ();
253 t-> daddy_trans_l_ = 0;
259 Translator_group::get_simple_translator (char const *type) const
261 for (int i=0; i < nongroup_l_arr ().size(); i++)
263 if (nongroup_l_arr ()[i]->name() == type)
264 return nongroup_l_arr ()[i];
267 return daddy_trans_l_->get_simple_translator (type);
273 Translator_group::is_bottom_translator_b () const
275 return !accepts_str_arr_.size ();
281 Translator_group::get_default_interpreter()
283 if (accepts_str_arr_.size())
285 Translator*t = output_def_l ()->find_translator_l (accepts_str_arr_[0]);
288 warning (_f ("can't find or create `%s\'", accepts_str_arr_[0]));
291 Translator_group * g= t->clone ()->access_Translator_group ();
294 if (!g->is_bottom_translator_b ())
295 return g->get_default_interpreter ();
303 Translator_group::each (Method_pointer method)
305 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
306 (i.ptr()->*method) ();
310 Translator_group::each (Const_method_pointer method) const
312 for (PCursor<Translator*> i (trans_p_list_.top ()); i.ok (); i++)
313 (i.ptr()->*method) ();
317 Translator_group::do_print() const
322 if (status == ORPHAN)
324 DOUT << "consists of: ";
325 for (int i=0; i < consists_str_arr_.size (); i++)
326 DOUT << consists_str_arr_[i] << ", ";
327 DOUT << "\naccepts: ";
328 for (int i=0; i < accepts_str_arr_.size (); i++)
329 DOUT << accepts_str_arr_[i] << ", ";
333 if (id_str_.length_i ())
334 DOUT << "ID: " << id_str_ ;
335 DOUT << " iterators: " << iterator_count_<< '\n';
337 each (&Translator::print);
342 Translator_group::do_pre_move_processing ()
344 each (&Translator::pre_move_processing);
348 Translator_group::do_post_move_processing ()
350 each (&Translator::post_move_processing);
354 Translator_group::do_process_requests ()
356 each (&Translator::process_requests);
360 Translator_group::do_creation_processing ()
362 each (&Translator::creation_processing);
366 Translator_group::do_removal_processing ()
368 each (&Translator::removal_processing);
372 Translator_group::do_add_processing ()
374 for (int i=0; i < consists_str_arr_.size(); i++)
376 Translator * t = output_def_l ()->find_translator_l (consists_str_arr_[i]);
378 warning (_f ("can't find `%s\'", consists_str_arr_[i]));
380 add_translator (t->clone ());