Update.

[lilypond.git] / lily / repeat-acknowledge-engraver.cc

diff --git a/lily/repeat-acknowledge-engraver.cc b/lily/repeat-acknowledge-engraver.cc
index 40ad49545223134be562045da6692e3a69c53967..376a89b0ab4c94f67c99e2addc4c9a17e80b4901 100644 (file)
--- a/lily/repeat-acknowledge-engraver.cc
+++ b/lily/repeat-acknowledge-engraver.cc
@@ -1,47 +1,43 @@
-/*   
-  repeat-acknowledge-engraver.cc --  implement Repeat_acknowledge_engraver
-  
+/*
+  repeat-acknowledge-engraver.cc -- implement Repeat_acknowledge_engraver
+
   source file of the GNU LilyPond music typesetter
-  
-  (c) 2000--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+
+  (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
+
 #include "engraver.hh"
 #include "translator-group.hh"
+#include "context.hh"
 #include "repeated-music.hh"
 
-
 /*
   Objective:
 
   -- set and reset repeatCommands, so Unfolded_repeat_iterator knows
-    where to set variables.
+  where to set variables.
 
   -- collect information passed by Unfolded_repeat_iterator for
-   Bar_engraver: writes whichBar property. (TODO: check for
-   interactions with timing engraver.)
-  
- */
+  Bar_engraver: writes whichBar property. (TODO: check for
+  interactions with timing engraver.)
+*/
 class Repeat_acknowledge_engraver : public Engraver
 {
 public:
-  TRANSLATOR_DECLARATIONS(Repeat_acknowledge_engraver);
 
+  TRANSLATOR_DECLARATIONS (Repeat_acknowledge_engraver);
+protected:
   virtual void start_translation_timestep ();
   virtual void process_music ();
   virtual void initialize ();
-
-  bool first_b_;
 };
 
 void
 Repeat_acknowledge_engraver::initialize ()
 {
-  first_b_ = true;
-  daddy_trans_->set_property ("repeatCommands", SCM_EOL);
+  context ()->set_property ("repeatCommands", SCM_EOL);
 }
 
-
 Repeat_acknowledge_engraver::Repeat_acknowledge_engraver ()
 {
 }
@@ -49,10 +45,9 @@ Repeat_acknowledge_engraver::Repeat_acknowledge_engraver ()
 void
 Repeat_acknowledge_engraver::start_translation_timestep ()
 {
-  first_b_ = true;
-  Translator_group * tr = daddy_trans_->where_defined (ly_symbol2scm ("repeatCommands"));
+  Context *tr = context ()->where_defined (ly_symbol2scm ("repeatCommands"));
   if (!tr)
-    tr = daddy_trans_;
+    tr = context ();
 
   tr->set_property ("repeatCommands", SCM_EOL);
 }
@@ -62,26 +57,26 @@ Repeat_acknowledge_engraver::process_music ()
 {
   /*
     At the start of a piece, we don't print any repeat bars.
-   */
-  if (now_mom () == Moment (0))
-    return ; 
-  
+  */
+  if (!now_mom ().main_part_)
+    return;
+
   SCM cs = get_property ("repeatCommands");
-  
+
   String s = "";
   bool start = false;
   bool end = false;
   bool volta_found = false;
-  while (gh_pair_p (cs))
+  while (scm_is_pair (cs))
     {
-      SCM command = ly_car (cs);
+      SCM command = scm_car (cs);
       if (command == ly_symbol2scm ("start-repeat"))
        start = true;
       else if (command == ly_symbol2scm ("end-repeat"))
        end = true;
-      else if (gh_pair_p (command) && ly_car (command) == ly_symbol2scm ("volta"))
+      else if (scm_is_pair (command) && scm_car (command) == ly_symbol2scm ("volta"))
        volta_found = true;
-      cs = ly_cdr (cs);      
+      cs = scm_cdr (cs);
     }
 
   if (start && end)
@@ -93,28 +88,28 @@ Repeat_acknowledge_engraver::process_music ()
 
   /*
     TODO: line breaks might be allowed if we set whichBar to "".
-   */
+  */
 
   /*
     We only set the barline if we wouldn't overwrite a previously set
     barline.
-   */
+  */
   SCM wb = get_property ("whichBar");
-  SCM db  = get_property ("defaultBarType");
-  if (!gh_string_p (wb) || gh_equal_p (db, wb))
+  SCM db = get_property ("defaultBarType");
+  if (!scm_is_string (wb) || ly_c_equal_p (db, wb))
     {
-      if (s != "" || (volta_found && !gh_string_p (wb)))
+      if (s != "" || (volta_found && !scm_is_string (wb)))
        {
-         daddy_trans_->set_property ("whichBar", scm_makfrom0str (s.to_str0 ()));
+         context ()->set_property ("whichBar", scm_makfrom0str (s.to_str0 ()));
        }
     }
 }
 
-ENTER_DESCRIPTION(Repeat_acknowledge_engraver,
-/* descr */       "Acknowledge repeated music, and convert the contents of
-repeatCommands ainto an appropriate setting for whichBar",
-/* creats*/       "",
-/* accepts */     "",
-/* acks  */      "",
-/* reads */       "repeatCommands whichBar",
-/* write */       "");
+ADD_TRANSLATOR (Repeat_acknowledge_engraver,
+               /* descr */ "Acknowledge repeated music, and convert the contents of "
+               "repeatCommands ainto an appropriate setting for whichBar.",
+               /* creats*/ "",
+               /* accepts */ "",
+               /* acks  */ "",
+               /* reads */ "repeatCommands whichBar",
+               /* write */ "");