* lily/*.cc, lily/include/*.hh: eliminate dummy arguments from

[lilypond.git] / lily / stanza-number-align-engraver.cc

diff --git a/lily/stanza-number-align-engraver.cc b/lily/stanza-number-align-engraver.cc
index 0c9e40b6e2cf5fc473964a2f7d08510ea00e4dd1..94e726864ff7b2830bc4e563fed29c94db4de71d 100644 (file)
--- a/lily/stanza-number-align-engraver.cc
+++ b/lily/stanza-number-align-engraver.cc
@@ -1,10 +1,9 @@
-
 /*
-  stanza-number-align-engraver.cc -- implement
+  stanza-number-align-engraver.cc -- implement Stanza_number_align_engraver
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 2004--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "context.hh"
@@ -14,16 +13,20 @@
 #include "pointer-group-interface.hh"
 #include "side-position-interface.hh"
 
+#include "translator.icc"
+
 class Stanza_number_align_engraver : public Engraver
 {
 public:
   TRANSLATOR_DECLARATIONS (Stanza_number_align_engraver);
 
 protected:
-  Link_array<Grob> lyrics_;
-  Link_array<Grob> stanza_numbers_;
-  virtual void acknowledge_grob (Grob_info);
-  virtual void stop_translation_timestep ();
+  vector<Grob*> lyrics_;
+  vector<Grob*> stanza_numbers_;
+
+  DECLARE_ACKNOWLEDGER (lyric_syllable);
+  DECLARE_ACKNOWLEDGER (stanza_number);
+  void stop_translation_timestep ();
 };
 
 Stanza_number_align_engraver::Stanza_number_align_engraver ()
@@ -31,32 +34,35 @@ Stanza_number_align_engraver::Stanza_number_align_engraver ()
 }
 
 void
-Stanza_number_align_engraver::acknowledge_grob (Grob_info gi)
+Stanza_number_align_engraver::acknowledge_lyric_syllable (Grob_info gi)
 {
   Grob *h = gi.grob ();
+  lyrics_.push_back (h);
+}
 
-  if (h->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")))
-    lyrics_.push (h);
-  else if (h->internal_has_interface (ly_symbol2scm ("stanza-number-interface")))
-    stanza_numbers_.push (h);
+void
+Stanza_number_align_engraver::acknowledge_stanza_number (Grob_info gi)
+{
+  Grob *h = gi.grob ();
+  stanza_numbers_.push_back (h);
 }
 
 void
 Stanza_number_align_engraver::stop_translation_timestep ()
 {
-  for (int i = lyrics_.size (); i--;)
-    for (int j = stanza_numbers_.size (); j--;)
+  for (vsize i = lyrics_.size (); i--;)
+    for (vsize j = stanza_numbers_.size (); j--;)
       Side_position_interface::add_support (stanza_numbers_[j], lyrics_[i]);
 
   stanza_numbers_.clear ();
   lyrics_.clear ();
 }
 
+ADD_ACKNOWLEDGER (Stanza_number_align_engraver, lyric_syllable);
+ADD_ACKNOWLEDGER (Stanza_number_align_engraver, stanza_number);
 ADD_TRANSLATOR (Stanza_number_align_engraver,
                "This engraver ensures that stanza numbers are neatly aligned. ",
                "",
-               "",
-               "stanza-number-interface lyric-syllable-interface ",
-               "",
+               " ",
                "");