X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fsimple-music-iterator.cc;h=6b1dedb55ab05b0af04c7cd06869b57c81771fd4;hb=f459e523e2df1d26a854b4ff1e1d2f18189a7287;hp=4c925f3c9100c55e666a45f3003672c6ef4f490f;hpb=6798fd9b3d52cbed28b24dbac067bff9af406230;p=lilypond.git diff --git a/lily/simple-music-iterator.cc b/lily/simple-music-iterator.cc index 4c925f3c91..6b1dedb55a 100644 --- a/lily/simple-music-iterator.cc +++ b/lily/simple-music-iterator.cc @@ -3,7 +3,7 @@ source file of the GNU LilyPond music typesetter - (c) 2000 Han-Wen Nienhuys + (c) 2000--2004 Han-Wen Nienhuys */ @@ -11,17 +11,45 @@ #include "music.hh" #include "input.hh" +Simple_music_iterator::Simple_music_iterator () + : Music_iterator () +{ + last_processed_mom_ = -1; +} + +bool +Simple_music_iterator::ok ()const +{ + return last_processed_mom_ < music_get_length (); +} + +/* + TODO: remove last_processed_mom_, and the complete shit. We should + only process a simple-music once, and that is at its start. + + Engravers can detect and event the end-moments to be processed as + well. + +*/ +Moment +Simple_music_iterator::pending_moment ()const +{ + if (last_processed_mom_ < Moment (0)) + return Moment (0); + else + return music_get_length (); +} + void -Simple_music_iterator::do_process_and_next (Moment m) +Simple_music_iterator::process (Moment m) { - if (ok ()) - { - bool b = try_music (get_music ()); - if (!b) - music_l_->origin ()->warning (_f ("Junking music: `%s'", - classname (music_l_))); - - } - Music_iterator::do_process_and_next (m); + /* + don't do try_music (), since it would make the function useless for + base classes + */ + + last_processed_mom_ = m; } + +IMPLEMENT_CTOR_CALLBACK (Simple_music_iterator);