Web-ja: update introduction

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

diff --git a/lily/repeat-acknowledge-engraver.cc b/lily/repeat-acknowledge-engraver.cc
index 355e80459972e12622c30c2390b1677eb2a89cd4..00e0c8abe259a4f0fcf5a29165cac81455705099 100644 (file)
--- a/lily/repeat-acknowledge-engraver.cc
+++ b/lily/repeat-acknowledge-engraver.cc
@@ -1,9 +1,20 @@
 /*
-  repeat-acknowledge-engraver.cc -- implement Repeat_acknowledge_engraver
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2000--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2000--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "engraver.hh"
@@ -29,8 +40,8 @@ public:
 
   TRANSLATOR_DECLARATIONS (Repeat_acknowledge_engraver);
 protected:
-  PRECOMPUTED_VIRTUAL void start_translation_timestep ();
-  PRECOMPUTED_VIRTUAL void process_music ();
+  void start_translation_timestep ();
+  void process_music ();
   virtual void initialize ();
 };
 
@@ -40,7 +51,8 @@ Repeat_acknowledge_engraver::initialize ()
   context ()->set_property ("repeatCommands", SCM_EOL);
 }
 
-Repeat_acknowledge_engraver::Repeat_acknowledge_engraver ()
+Repeat_acknowledge_engraver::Repeat_acknowledge_engraver (Context *c)
+  : Engraver (c)
 {
 }
 
@@ -66,28 +78,46 @@ Repeat_acknowledge_engraver::process_music ()
 
   SCM cs = get_property ("repeatCommands");
 
-  String s = "";
+  string s = "";
   bool start = false;
   bool end = false;
+  bool segno = false;
   bool volta_found = false;
   while (scm_is_pair (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 (scm_is_pair (command) && scm_car (command) == ly_symbol2scm ("volta"))
-       volta_found = true;
+      if (scm_is_eq (command, ly_symbol2scm ("start-repeat")))
+        start = true;
+      else if (scm_is_eq (command, ly_symbol2scm ("end-repeat")))
+        end = true;
+      else if (scm_is_eq (command, ly_symbol2scm ("segno-display")))
+        segno = true;
+      else if (scm_is_pair (command)
+               && scm_is_eq (scm_car (command), ly_symbol2scm ("volta")))
+        volta_found = true;
       cs = scm_cdr (cs);
     }
 
-  if (start && end)
-    s = ":|:";
+  /*
+    Select which bar type to set
+  */
+  if (segno)
+    if (start)
+      if (end) // { segno, start, end }
+        s = robust_scm2string (get_property ("doubleRepeatSegnoType"), ":|.S.|:");
+      else // { segno, start }
+        s = robust_scm2string (get_property ("startRepeatSegnoType"), "S.|:");
+    else if (end) // { segno, end }
+      s = robust_scm2string (get_property ("endRepeatSegnoType"), ":|.S");
+    else // { segno }
+      s = robust_scm2string (get_property ("segnoType"), "S");
   else if (start)
-    s = "|:";
-  else if (end)
-    s = ":|";
+    if (end) // { start, end }
+      s = robust_scm2string (get_property ("doubleRepeatType"), ":|.|:");
+    else // { start }
+      s = robust_scm2string (get_property ("startRepeatType"), ".|:");
+  else if (end) // { end }
+    s = robust_scm2string (get_property ("endRepeatType"), ":|.");
 
   /*
     TODO: line breaks might be allowed if we set whichBar to "".
@@ -102,17 +132,36 @@ Repeat_acknowledge_engraver::process_music ()
   if (!scm_is_string (wb) || ly_is_equal (db, wb))
     {
       if (s != "" || (volta_found && !scm_is_string (wb)))
-       {
-         context ()->set_property ("whichBar", scm_makfrom0str (s.to_str0 ()));
-       }
+        context ()->set_property ("whichBar", ly_string2scm (s));
     }
 }
 
+void
+Repeat_acknowledge_engraver::boot ()
+{
+
+}
 
 ADD_TRANSLATOR (Repeat_acknowledge_engraver,
-               /* descr */ "Acknowledge repeated music, and convert the contents of "
-               "repeatCommands ainto an appropriate setting for whichBar.",
-               /* creats*/ "",
-               /* accepts */ "",
-               /* reads */ "repeatCommands whichBar",
-               /* write */ "");
+                /* doc */
+                "Acknowledge repeated music, and convert the contents of"
+                " @code{repeatCommands} into an appropriate setting for"
+                " @code{whichBar}.",
+
+                /* create */
+                "",
+
+                /* read */
+                "doubleRepeatType "
+                "startRepeatType "
+                "endRepeatType "
+                "doubleRepeatSegnoType "
+                "startRepeatSegnoType "
+                "endRepeatSegnoType "
+                "segnoType "
+                "repeatCommands "
+                "whichBar ",
+
+                /* write */
+                ""
+               );