lily/translator-scheme.cc

   1 /*
   2   This file is part of LilyPond, the GNU music typesetter.
   3
   4   Copyright (C) 2002--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
   5
   6   LilyPond is free software: you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published by
   8   the Free Software Foundation, either version 3 of the License, or
   9   (at your option) any later version.
  10
  11   LilyPond is distributed in the hope that it will be useful,
  12   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14   GNU General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "context.hh"
  21 #include "context-def.hh"
  22 #include "translator-group.hh"
  23 #include "moment.hh"
  24
  25 LY_DEFINE (ly_translator_name, "ly:translator-name",
  26            1, 0, 0, (SCM trans),
  27            "Return the type name of the translator object @var{trans}."
  28            "  The name is a symbol.")
  29 {
  30   LY_ASSERT_SMOB (Translator, trans, 1);
  31   Translator *tr = unsmob_translator (trans);
  32   char const *nm = tr->class_name ();
  33   return ly_symbol2scm (nm);
  34 }
  35
  36 LY_DEFINE (ly_translator_description, "ly:translator-description",
  37            1, 0, 0, (SCM me),
  38            "Return an alist of properties of translator @var{me}.")
  39 {
  40   LY_ASSERT_SMOB (Translator, me, 1);
  41   Translator *tr = unsmob_translator (me);
  42   return tr->translator_description ();
  43 }
  44
  45
  46 LY_DEFINE (ly_translator_context, "ly:translator-context",
  47            1, 0, 0, (SCM trans),
  48            "Return the context of the translator object @var{trans}.")
  49 {
  50   LY_ASSERT_SMOB (Translator, trans, 1);
  51   Translator *tr = unsmob_translator (trans);
  52
  53   Context *c = tr->context ();
  54   return c ? c->self_scm () : SCM_BOOL_F;
  55 }