/*
- translator-ctors.cc -- implement Translator construction
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "proto.hh"
-#include "plist.hh"
#include "translator.hh"
-#include "dictionary.hh"
-#include "debug.hh"
+
+#include "international.hh"
+#include "scm-hash.hh"
+#include "warn.hh"
+#include "protected-scm.hh"
/*
should delete these after exit.
- */
+*/
-Dictionary<Translator*> *global_translator_dict_p=0;
+Protected_scm global_translator_dict;
-void
-add_translator (Translator *t)
+LY_DEFINE (get_all_translators, "ly:get-all-translators", 0, 0, 0, (),
+ "Return a list of all translator objects that may be"
+ " instantiated.")
{
- if (!global_translator_dict_p)
- global_translator_dict_p = new Dictionary<Translator*>;
+ Scheme_hash_table *dict = unsmob<Scheme_hash_table> (global_translator_dict);
+ SCM l = dict ? dict->to_alist () : SCM_EOL;
+
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
+ scm_set_car_x (s, scm_cdar (s));
- global_translator_dict_p->elem (t->name ()) = t;
+ return l;
}
-Translator*
-get_translator_l (String s)
+void
+add_translator (Translator *t)
{
- if (global_translator_dict_p->elem_b (s))
+ Scheme_hash_table *dict = unsmob<Scheme_hash_table> (global_translator_dict);
+ if (!dict)
{
-// return (*global_translator_dict_p)[s];
- Translator* t = (*global_translator_dict_p)[s];
- return t;
+ global_translator_dict = Scheme_hash_table::make_smob ();
+ dict = unsmob<Scheme_hash_table> (global_translator_dict);
}
- error (_f ("unknown translator `%s\'", s));
- return 0;
+ SCM k = ly_symbol2scm (t->class_name ());
+ dict->set (k, t->unprotect ());
}
-Array<Translator_ctor> *ctor_global_static_arr_p_;
-
-
-/*
- Very special greetings go out to Steve Jobs for creating a system
- that doesn't handle global construction correctly.
- */
-void
-add_constructor (Translator_ctor c)
+Translator *
+get_translator (SCM sym)
{
- if (!ctor_global_static_arr_p_)
- ctor_global_static_arr_p_ = new Array<Translator_ctor>;
- ctor_global_static_arr_p_->push (c);
-}
+ SCM v = SCM_BOOL_F;
+ Scheme_hash_table *dict = unsmob<Scheme_hash_table> (global_translator_dict);
+ if (dict)
+ dict->try_retrieve (sym, &v);
-void
-call_constructors ()
-{
- for (int i=0; i < ctor_global_static_arr_p_->size (); i++)
- add_translator (ctor_global_static_arr_p_->elem (i) ());
+ if (scm_is_false (v))
+ {
+ warning (_f ("unknown translator: `%s'", ly_symbol2string (sym).c_str ()));
+ return 0;
+ }
+
+ return unsmob<Translator> (v);
}