2 translator-def.cc -- implement Translator_def
4 source file of the GNU LilyPond music typesetter
6 (c) 2000--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "lily-proto.hh"
11 #include "translator-def.hh"
12 #include "translator-group.hh"
14 #include "music-output-def.hh"
15 #include "ly-smobs.icc"
18 Translator_def::print_smob (SCM smob, SCM port, scm_print_state*)
20 Translator_def* me = (Translator_def*) SCM_CELL_WORD_1 (smob);
22 scm_puts ("#<Translator_def ", port);
23 scm_display (me->type_name_, port);
30 Translator_def::mark_smob (SCM smob)
32 Translator_def* me = (Translator_def*) SCM_CELL_WORD_1 (smob);
34 scm_gc_mark (me->type_aliases_);
35 scm_gc_mark (me->consists_name_list_);
36 scm_gc_mark (me->accepts_name_list_);
37 scm_gc_mark (me->end_consists_name_list_);
38 scm_gc_mark (me->property_ops_);
39 scm_gc_mark (me->translator_group_type_);
40 return me->type_name_;
44 Translator_def::Translator_def ()
46 type_aliases_ = SCM_EOL;
47 translator_group_type_ = SCM_EOL;
48 accepts_name_list_ = SCM_EOL;
49 consists_name_list_ = SCM_EOL;
50 end_consists_name_list_ = SCM_EOL;
51 property_ops_ = SCM_EOL;
54 Translator_def::~Translator_def ()
58 Translator_def::Translator_def (Translator_def const & s)
61 consists_name_list_ = scm_list_copy (s.consists_name_list_);
62 end_consists_name_list_ = scm_list_copy (s.end_consists_name_list_);
63 accepts_name_list_ = scm_list_copy (s.accepts_name_list_);
64 property_ops_ = scm_list_copy (s.property_ops_);
65 type_aliases_ = s.type_aliases_;
66 translator_group_type_ = s.translator_group_type_;
67 type_name_ = s.type_name_;
73 Translator_def::set_acceptor (SCM name, bool add)
76 this->accepts_name_list_ = gh_cons (name, this->accepts_name_list_);
78 this->accepts_name_list_ = scm_delete_x (name, this->accepts_name_list_);
83 Translator_def::modify_definition (SCM list, SCM str, bool add)
85 String s = ly_scm2string (str);
86 if (!get_translator_l (s))
87 error (_ ("Program has no such type"));
91 if (scm_memq (str, list) != SCM_BOOL_F)
93 warning (_f ("Already contains: `%s'", s));
94 warning (_f ("Not adding translator: `%s'", s));
97 list= gh_cons (str, list);
101 list = scm_delete_x (str, list);
109 Translator_def::remove_element (SCM s)
111 this->end_consists_name_list_ = modify_definition (this->end_consists_name_list_, s, false);
112 this->consists_name_list_ = modify_definition (this->consists_name_list_, s, false);
116 Translator_def::add_element (SCM s)
118 this->consists_name_list_ = modify_definition (this->consists_name_list_, s, true);
122 Translator_def::add_last_element (SCM s)
124 this->end_consists_name_list_ = modify_definition (this->end_consists_name_list_, s, true);
127 Translator_def::add_push_property (SCM props, SCM syms, SCM vals)
129 this->property_ops_ = gh_cons (scm_list_n (ly_symbol2scm ("push"), props, syms, vals, SCM_UNDEFINED),
130 this->property_ops_);
134 Translator_def::add_pop_property (SCM props, SCM syms)
136 this->property_ops_ = gh_cons (scm_list_n (ly_symbol2scm ("push"), props, syms, SCM_UNDEFINED),
137 this->property_ops_);
141 Do it. SYM is single symbol. VAL is SCM_UNDEFINED in case of a pop
144 Translator_def::apply_pushpop_property (Translator_group* me,SCM sym, SCM eprop, SCM val)
146 dynamic_cast<Translator_group*> (me)
147 ->execute_single_pushpop_property (sym, eprop, val);
152 Link_array<Translator_def>
153 Translator_def::path_to_acceptable_translator (SCM type_str, Music_output_def* odef) const
155 assert (gh_string_p (type_str));
157 Link_array<Translator_def> accepted_arr;
158 for (SCM s = accepts_name_list_; gh_pair_p (s); s = ly_cdr (s))
160 Translator_def *t = unsmob_translator_def (odef->find_translator_l (ly_car (s)));
163 accepted_arr.push (t);
166 Link_array<Translator_def> best_result;
167 for (int i=0; i < accepted_arr.size (); i++)
171 don't check aliases, because \context Staff should not create RhythmicStaff.
173 if (gh_equal_p (accepted_arr[i]->type_name_, type_str))
175 best_result.push (accepted_arr[i]);
180 int best_depth= INT_MAX;
181 for (int i=0; i < accepted_arr.size (); i++)
183 Translator_def * g = accepted_arr[i];
185 Link_array<Translator_def> result
186 = g->path_to_acceptable_translator (type_str, odef);
187 if (result.size () && result.size () < best_depth)
190 best_result = result;
197 IMPLEMENT_SMOBS (Translator_def);
198 IMPLEMENT_DEFAULT_EQUAL_P (Translator_def);
202 trans_list (SCM namelist, Translator_group*tg)
205 for (SCM s = namelist; gh_pair_p (s) ; s = ly_cdr (s))
207 Translator * t = get_translator_l (ly_scm2string (ly_car (s)));
209 warning (_f ("can't find: `%s'", s));
212 Translator * tr = t->clone ();
213 SCM str = tr->self_scm ();
214 l = gh_cons (str, l);
216 tr->daddy_trans_l_ = tg;
217 tr->output_def_l_ = tg->output_def_l_;
219 scm_gc_unprotect_object (str);
227 Translator_def::instantiate (Music_output_def* md)
229 Translator * g = get_translator_l (ly_scm2string (translator_group_type_));
232 Translator_group *tg = dynamic_cast<Translator_group*> (g);
233 tg->output_def_l_ = md;
234 tg->definition_ = self_scm ();
235 tg->type_str_ = ly_scm2string (type_name_);
238 TODO: ugh. we're reversing CONSISTS_NAME_LIST_ here
240 SCM l1 = trans_list (consists_name_list_, tg);
241 SCM l2 =trans_list (end_consists_name_list_,tg);
242 l1 = scm_reverse_x (l1, l2);
244 tg->simple_trans_list_ = l1;
251 Translator_def::apply_property_operations (Translator_group*tg)
253 SCM correct_order = scm_reverse (property_ops_); // pity of the mem.
254 for (SCM s = correct_order; gh_pair_p (s); s = ly_cdr (s))
256 SCM entry = ly_car (s);
257 SCM type = ly_car (entry);
258 entry = ly_cdr (entry);
260 if (type == ly_symbol2scm ("push"))
262 SCM val = ly_cddr (entry);
263 val = gh_pair_p (val) ? ly_car (val) : SCM_UNDEFINED;
265 apply_pushpop_property (tg, ly_car (entry), ly_cadr (entry), val);
267 else if (type == ly_symbol2scm ("assign"))
269 tg->internal_set_property (ly_car (entry), ly_cadr (entry));
275 Translator_def::clone_scm () const
277 Translator_def * t = new Translator_def (*this);
278 return t->unprotected_smobify_self ();
282 Translator_def::make_scm ()
284 Translator_def* t = new Translator_def;
285 return t->unprotected_smobify_self ();
289 Translator_def::add_property_assign (SCM nm, SCM val)
291 this->property_ops_ = gh_cons (scm_list_n (ly_symbol2scm ("assign"), scm_string_to_symbol (nm), val, SCM_UNDEFINED),
292 this->property_ops_);
296 Default child context as a SCM string, or something else if there is
300 Translator_def::default_child_context_name ()
302 SCM d = accepts_name_list_;
303 return gh_pair_p (d) ? ly_car (scm_last_pair (d)) : SCM_EOL;
307 Translator_def::to_alist ()const
311 l = gh_cons (gh_cons (ly_symbol2scm ("consists"), consists_name_list_), l);
312 l = gh_cons (gh_cons (ly_symbol2scm ("end-consists"), end_consists_name_list_), l);
313 l = gh_cons (gh_cons (ly_symbol2scm ("accepts"), accepts_name_list_), l);
314 l = gh_cons (gh_cons (ly_symbol2scm ("property-ops"), property_ops_), l);
315 l = gh_cons (gh_cons (ly_symbol2scm ("type-name"), type_name_), l); // junkme.
316 l = gh_cons (gh_cons (ly_symbol2scm ("group-type"), translator_group_type_), l);