lily/simple-music-iterator.cc

   1 /*
   2   simple-music-iterator.cc -- implement Simple_music_iterator
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2000--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
   7 */
   8
   9 #include "simple-music-iterator.hh"
  10
  11 #include "music.hh"
  12 #include "input.hh"
  13
  14 Simple_music_iterator::Simple_music_iterator ()
  15   : Music_iterator ()
  16 {
  17   last_processed_mom_ = -1;
  18 }
  19
  20 bool
  21 Simple_music_iterator::ok ()const
  22 {
  23   return last_processed_mom_ < music_get_length ();
  24 }
  25
  26 /*
  27   TODO: remove last_processed_mom_, and the complete shit.  We should
  28   only process a simple-music once, and that is at its start.
  29
  30   Engravers can detect and event the end-moments to be processed as
  31   well.
  32 */
  33 Moment
  34 Simple_music_iterator::pending_moment ()const
  35 {
  36   if (last_processed_mom_ < Moment (0))
  37     return Moment (0);
  38   else
  39     return music_get_length ();
  40 }
  41
  42 void
  43 Simple_music_iterator::process (Moment m)
  44 {
  45   /*
  46     don't do report_event (), since it would make the function useless for
  47     base classes
  48   */
  49
  50   last_processed_mom_ = m;
  51 }
  52
  53 IMPLEMENT_CTOR_CALLBACK (Simple_music_iterator);