source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#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"
/*
should delete these after exit.
- */
+*/
-Dictionary<Translator*> *global_translator_dict_p=0;
+Scheme_hash_table *global_translator_dict = 0;
-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*>;
+ SCM l = global_translator_dict ? global_translator_dict->to_alist () : SCM_EOL;
- global_translator_dict_p->elem (t->name ()) = t;
-}
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
+ scm_set_car_x (s, scm_cdar (s));
-Translator*
-get_translator_l (String s)
-{
- if (global_translator_dict_p->elem_b (s))
- {
-// return (*global_translator_dict_p)[s];
- Translator* t = (*global_translator_dict_p)[s];
- return t;
- }
-
- error (_f ("unknown translator `%s\'", s));
- return 0;
+ return l;
}
-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)
+add_translator (Translator *t)
{
- if (!ctor_global_static_arr_p_)
- ctor_global_static_arr_p_ = new Array<Translator_ctor>;
- ctor_global_static_arr_p_->push (c);
+ if (!global_translator_dict)
+ global_translator_dict = new Scheme_hash_table;
+
+ SCM k = ly_symbol2scm (t->class_name ());
+ global_translator_dict->set (k, t->self_scm ());
+
+ t->unprotect ();
}
-void
-call_constructors ()
+Translator *
+get_translator (SCM sym)
{
- for (int i=0; i < ctor_global_static_arr_p_->size (); i++)
- add_translator (ctor_global_static_arr_p_->elem (i) ());
+ SCM v = SCM_BOOL_F;
+ if (global_translator_dict)
+ global_translator_dict->try_retrieve (sym, &v);
+
+ if (v == SCM_BOOL_F)
+ error (_f ("unknown translator: `%s'", ly_symbol2string (sym).c_str ()));
+
+ return unsmob_translator (v);
}
+