lily/translator-ctors.cc

   1 /*
   2   translator-ctors.cc -- implement Translator construction
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "translator.hh"
  10 #include "dictionary.hh"
  11 #include "warn.hh"
  12
  13 /*
  14   should delete these after exit.
  15  */
  16
  17 /*
  18   UGH. Dictionary is deprecated
  19  */
  20 Dictionary<Translator*> *global_translator_dict=0;
  21
  22 LY_DEFINE(get_all_translators,"ly:get-all-translators", 0, 0, 0,  (),
  23           "Return an list of a all translator objects that may be instantiated
  24 during a lilypond run.")
  25 {
  26   SCM l = SCM_EOL;
  27   for (std::map<String,Translator*>::const_iterator (ci (global_translator_dict->begin()));
  28        ci != global_translator_dict->end (); ci++)
  29     {
  30       l = scm_cons ((*ci).second->self_scm (), l);
  31     }
  32   return l;
  33 }
  34
  35 void
  36 add_translator (Translator *t)
  37 {
  38   if (!global_translator_dict)
  39     global_translator_dict = new Dictionary<Translator*>;
  40
  41  (*global_translator_dict)[classname (t)] = t;
  42 }
  43
  44 Translator*
  45 get_translator (String s)
  46 {
  47   if (global_translator_dict->elem_b (s))
  48     {
  49         Translator* t = (*global_translator_dict)[s];
  50         return t;
  51     }
  52
  53   error (_f ("unknown translator: `%s'", s));
  54   return 0;
  55 }
  56