lily/grace-iterator.cc

   1 /*
   2   grace-iterator.cc --  implement Grace_iterator
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9
  10 #include "grace-iterator.hh"
  11 #include "global-translator.hh"
  12 #include "warn.hh"
  13
  14 Grace_iterator::~Grace_iterator ()
  15 {
  16   //  child_iter_p_ = 0;
  17 }
  18
  19 void
  20 Grace_iterator::construct_children ()
  21 {
  22   Translator_group * t = report_to_l ()->find_create_translator_l ("Grace", ""); // umgh.
  23
  24   if (t)
  25     set_translator (t);
  26   Music_wrapper_iterator::construct_children ();
  27 }
  28
  29 void
  30 Grace_iterator::process (Moment)
  31 {
  32   Global_translator * t = dynamic_cast<Global_translator*>(report_to_l ());
  33   if (t)
  34     {
  35       t->start ();
  36       t->run_iterator_on_me (child_iter_p_);
  37       delete child_iter_p_;
  38       child_iter_p_ = 0;
  39       t->finish ();
  40     }
  41   else
  42     {
  43       warning (_("no Grace context available"));
  44     }
  45 }
  46
  47 Moment
  48 Grace_iterator::pending_moment () const
  49 {
  50   return 0;
  51 }
  52
  53
  54 IMPLEMENT_CTOR_CALLBACK(Grace_iterator);