source file of the GNU LilyPond music typesetter
- (c) 1997--1999 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.
- */
+*/
+
+Scheme_hash_table *global_translator_dict = 0;
+
+LY_DEFINE (get_all_translators, "ly:get-all-translators", 0, 0, 0, (),
+ "Return a list of all translator objects that may be"
+ " instantiated.")
+{
+ SCM l = global_translator_dict ? global_translator_dict->to_alist () : SCM_EOL;
-Dictionary<Translator*> *global_translator_dict_p=0;
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
+ scm_set_car_x (s, scm_cdar (s));
+
+ return l;
+}
void
add_translator (Translator *t)
{
- if (!global_translator_dict_p)
- global_translator_dict_p = new Dictionary<Translator*>;
+ 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 ());
- global_translator_dict_p->elem (classname (t)) = t;
+ t->unprotect ();
}
-Translator*
-get_translator_l (String s)
+Translator *
+get_translator (SCM sym)
{
- 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;
+ 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);
}