2 Translator_group.cc -- implement Translator_group
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "music-output-def.hh"
10 #include "translator-group.hh"
11 #include "translator.hh"
14 #include "scm-hash.hh"
15 #include "killing-cons.tcc"
17 Translator_group::Translator_group (Translator_group const&s)
20 consists_str_arr_ = s.consists_str_arr_;
21 consists_end_str_arr_ = s.consists_end_str_arr_;
22 accepts_str_arr_ = s.accepts_str_arr_;
24 properties_dict_ = new Scheme_hash_table (*s.properties_dict_);
27 Translator_group::~Translator_group ()
29 assert (removable_b());
30 trans_p_list_.junk ();
31 delete properties_dict_;
35 Translator_group::Translator_group()
38 properties_dict_ = new Scheme_hash_table ;
42 Translator_group::check_removal()
44 Cons<Translator> *next =0;
45 for (Cons<Translator> *p = trans_p_list_.head_; p; p = next)
48 if (Translator_group *trg = dynamic_cast <Translator_group *> (p->car_))
50 trg->check_removal ();
51 if (trg->removable_b())
52 terminate_translator (trg);
58 Translator_group::add_translator (Translator *trans_p)
60 trans_p_list_.append (new Killing_cons<Translator> (trans_p,0));
62 trans_p->daddy_trans_l_ = this;
63 trans_p->output_def_l_ = output_def_l_;
64 trans_p->add_processing ();
68 Translator_group::set_acceptor (String accepts, bool add)
71 accepts_str_arr_.push (accepts);
73 for (int i=accepts_str_arr_.size (); i--; )
74 if (accepts_str_arr_[i] == accepts)
75 accepts_str_arr_.del (i);
79 Translator_group::add_last_element (String s)
81 if (!get_translator_l (s))
82 error (_ ("Program has no such type"));
84 for (int i=consists_end_str_arr_.size (); i--; )
85 if (consists_end_str_arr_[i] == s)
86 warning (_f ("Already contains: `%s'", s));
88 consists_end_str_arr_.push (s);
92 Translator_group::set_element (String s, bool add)
94 if (!get_translator_l (s))
95 error (_ ("Program has no such type"));
99 for (int i=consists_str_arr_.size (); i--; )
100 if (consists_str_arr_[i] == s)
101 warning (_f("Already contains: `%s'", s));
103 consists_str_arr_.push (s);
107 for (int i=consists_str_arr_.size (); i--; )
108 if (consists_str_arr_[i] == s)
109 consists_str_arr_.del (i);
110 for (int i=consists_end_str_arr_.size (); i--; )
111 if (consists_end_str_arr_[i] == s)
112 consists_end_str_arr_.del (i);
116 Translator_group::removable_b() const
118 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
120 if (dynamic_cast <Translator_group *> (p->car_))
124 return !iterator_count_;
128 Translator_group::find_existing_translator_l (String n, String id)
130 if (is_alias_b (n) && (id_str_ == id || id.empty_b ()))
133 Translator_group* r = 0;
134 for (Cons<Translator> *p = trans_p_list_.head_; !r && p; p = p->next_)
136 if (Translator_group *trg = dynamic_cast <Translator_group *> (p->car_))
137 r = trg->find_existing_translator_l (n, id);
143 Link_array<Translator_group>
144 Translator_group::path_to_acceptable_translator (String type, Music_output_def* odef) const
146 Link_array<Translator_group> accepted_arr;
147 for (int i=0; i < accepts_str_arr_.size (); i++)
149 Translator *t = odef->find_translator_l (accepts_str_arr_[i]);
150 if (!t || !dynamic_cast <Translator_group *> (t))
152 accepted_arr.push (dynamic_cast <Translator_group *> (t));
156 for (int i=0; i < accepted_arr.size (); i++)
157 if (accepted_arr[i]->type_str_ == type)
159 Link_array<Translator_group> retval;
160 retval.push (accepted_arr[i]);
164 Link_array<Translator_group> best_result;
165 int best_depth= INT_MAX;
166 for (int i=0; i < accepted_arr.size (); i++)
168 Translator_group * g = accepted_arr[i];
170 Link_array<Translator_group> result
171 = g->path_to_acceptable_translator (type, odef);
172 if (result.size () && result.size () < best_depth)
175 best_result = result;
183 Translator_group::find_create_translator_l (String n, String id)
185 Translator_group * existing = find_existing_translator_l (n,id);
189 Link_array<Translator_group> path
190 = path_to_acceptable_translator (n, output_def_l ());
194 Translator_group * current = this;
196 // start at 1. The first one (index 0) will be us.
197 for (int i=0; i < path.size (); i++)
199 Translator_group * new_group = dynamic_cast<Translator_group*>(path[i]->clone ());
201 current->add_translator (new_group);
204 current->id_str_ = id;
208 Translator_group *ret = 0;
210 ret = daddy_trans_l_->find_create_translator_l (n,id);
213 warning (_f ("can't find or create `%s' called `%s'", n, id));
220 Translator_group::try_music_on_nongroup_children (Music *m)
222 bool hebbes_b =false;
224 for (Cons<Translator> *p = trans_p_list_.head_; !hebbes_b && p; p = p->next_)
226 if (!dynamic_cast <Translator_group *> (p->car_))
228 hebbes_b = p->car_->try_music (m);
235 Translator_group::do_try_music (Music* m)
237 bool hebbes_b = try_music_on_nongroup_children (m);
239 if (!hebbes_b && daddy_trans_l_)
240 hebbes_b = daddy_trans_l_->try_music (m);
245 Translator_group::depth_i() const
247 return (daddy_trans_l_) ? daddy_trans_l_->depth_i() + 1 : 0;
251 Translator_group::ancestor_l (int level)
253 if (!level || !daddy_trans_l_)
256 return daddy_trans_l_->ancestor_l (level-1);
264 Translator_group::terminate_translator (Translator*r_l)
266 r_l->removal_processing();
267 Translator * trans_p =remove_translator_p (r_l);
274 Remove a translator from the hierarchy.
277 Translator_group::remove_translator_p (Translator*trans_l)
281 for (Cons<Translator> **pp = &trans_p_list_.head_; *pp; pp = &(*pp)->next_)
282 if ((*pp)->car_ == trans_l)
284 Cons<Translator> *r = trans_p_list_.remove_cons (pp);
286 trans_l->daddy_trans_l_ =0;
296 Translator_group::get_simple_translator (String type) const
298 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
300 if (classname (p->car_) == type)
304 return daddy_trans_l_->get_simple_translator (type);
310 Translator_group::is_bottom_translator_b () const
312 return !accepts_str_arr_.size ();
318 Translator_group::get_default_interpreter()
320 if (accepts_str_arr_.size())
322 Translator*t = output_def_l ()->find_translator_l (accepts_str_arr_[0]);
325 warning (_f ("can't find or create: `%s'", accepts_str_arr_[0]));
328 Translator_group * g= dynamic_cast <Translator_group*>(t->clone ());
331 if (!g->is_bottom_translator_b ())
332 return g->get_default_interpreter ();
340 Translator_group::each (Method_pointer method)
342 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
343 (p->car_->*method) ();
348 Translator_group::each (Const_method_pointer method) const
350 for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
351 (p->car_->*method) ();
355 Translator_group::do_print() const
361 gh_display (properties_dict_->self_scm_);
362 if (status == ORPHAN)
364 DEBUG_OUT << "consists of: ";
365 for (int i=0; i < consists_str_arr_.size (); i++)
366 DEBUG_OUT << consists_str_arr_[i] << ", ";
367 DEBUG_OUT << "\naccepts: ";
368 for (int i=0; i < accepts_str_arr_.size (); i++)
369 DEBUG_OUT << accepts_str_arr_[i] << ", ";
373 if (id_str_.length_i ())
374 DEBUG_OUT << "ID: " << id_str_ ;
375 DEBUG_OUT << " iterators: " << iterator_count_<< '\n';
377 each (&Translator::print);
382 Translator_group::do_pre_move_processing ()
384 each (&Translator::pre_move_processing);
388 Translator_group::do_post_move_processing ()
390 each (&Translator::post_move_processing);
394 Translator_group::do_process_music ()
396 each (&Translator::process_music);
400 Translator_group::do_creation_processing ()
402 each (&Translator::creation_processing);
406 Translator_group::do_removal_processing ()
408 each (&Translator::removal_processing);
412 Translator_group::do_add_processing ()
414 for (int i=0; i < consists_str_arr_.size(); i++)
416 String s = consists_str_arr_[i];
417 Translator * t = output_def_l ()->find_translator_l (s);
419 warning (_f ("can't find: `%s'", s));
421 add_translator (t->clone ());
423 for (int i=0; i-- < consists_end_str_arr_.size (); i++)
425 String s = consists_end_str_arr_[i];
426 Translator * t = output_def_l ()->find_translator_l (s);
428 warning (_f ("can't find: `%s'", s));
430 add_translator (t->clone ());
435 Translator_group::where_defined (SCM sym) const
437 if (properties_dict_->elem_b (sym))
439 return (Translator_group*)this;
442 return (daddy_trans_l_) ? daddy_trans_l_->where_defined (sym) : 0;
446 Translator_group::get_property (SCM sym) const
448 if (properties_dict_->elem_b (sym))
450 return properties_dict_->get (sym);
454 return daddy_trans_l_->get_property (sym);
457 return SCM_UNDEFINED;
461 Translator_group::set_property (String id, SCM val)
463 properties_dict_->set (ly_symbol2scm (id.ch_C()), val);