X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fcontext-property.cc;h=7f09f0b94a4cc2c8ccfd666ddc3ce87d36259240;hb=b5c2ba0cc01c8edf1d5fb25968ca7345b174957c;hp=08ade8f954391ab4eec71e482063fa370e523663;hpb=a6a4b3fc2009f17a1a48cca0c11bfd3f38645937;p=lilypond.git

diff --git a/lily/context-property.cc b/lily/context-property.cc
index 08ade8f954..7f09f0b94a 100644
--- a/lily/context-property.cc
+++ b/lily/context-property.cc
@@ -1,10 +1,20 @@
 /*
-  context-property.cc -- implement manipulation of immutable Grob
-  property lists.
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2004--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2004--2008 Han-Wen Nienhuys <hanwen@xs4all.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 "context.hh"
@@ -35,7 +45,7 @@ general_pushpop_property (Context *context,
     }
 
   sloppy_general_pushpop_property (context, context_property,
-				    grob_property_path, new_value);
+				   grob_property_path, new_value);
 }
 
 
@@ -45,10 +55,10 @@ general_pushpop_property (Context *context,
   alist defined in a parent context. BASED-ON should always be a tail
   of ALIST.
 
-  Push or pop (depending on value of VAL) a single entry entry from a
+  Push or pop (depending on value of VAL) a single entry from a
   translator property list by name of PROP.  GROB_PROPERTY_PATH
   indicates nested alists, eg. '(beamed-stem-lengths details)
-  
+
 */
 void
 execute_override_property (Context *context,
@@ -57,7 +67,7 @@ execute_override_property (Context *context,
 			   SCM new_value)
 {
   SCM current_context_val = SCM_EOL;
-  
+
   Context *where = context->where_defined (context_property,
 					   &current_context_val);
 
@@ -82,10 +92,17 @@ execute_override_property (Context *context,
 
   SCM target_alist = scm_car (current_context_val);
 
+  /*
+    If the car is a list, the property path comes from a nested override
+    using list syntax inside a \context block
+  */
+  if (scm_is_pair (scm_car (grob_property_path)))
+    grob_property_path = scm_car (grob_property_path);
+
   SCM symbol = scm_car (grob_property_path);
   if (scm_is_pair (scm_cdr (grob_property_path)))
     {
-      new_value = nested_property_alist (ly_assoc_get (symbol, target_alist, 
+      new_value = nested_property_alist (ly_assoc_get (symbol, target_alist,
 						       SCM_EOL),
 					 scm_cdr (grob_property_path),
 					 new_value);
@@ -153,7 +170,7 @@ execute_revert_property (Context *context,
 	  programming_error ("Grob property path should be list of symbols.");
 	  return;
 	}
-      
+
       SCM symbol = scm_car (grob_property_path);
       if (scm_is_pair (scm_cdr (grob_property_path)))
 	{
@@ -161,7 +178,7 @@ execute_revert_property (Context *context,
 	  SCM new_val
 	    = nested_property_revert_alist (current_sub_alist,
 					    scm_cdr (grob_property_path));
-	    
+
 	  if (scm_is_pair (current_alist)
 	      && scm_caar (current_alist) == symbol
 	      && current_alist != daddy)
@@ -173,7 +190,7 @@ execute_revert_property (Context *context,
       else
 	{
 	  SCM new_alist = evict_from_alist (symbol, current_alist, daddy);
-	  
+
 	  if (new_alist == daddy)
 	    context->unset_property (context_property);
 	  else
@@ -196,7 +213,7 @@ execute_pushpop_property (Context *context,
 			    scm_list_1 (grob_property),
 			    new_value);
 }
-  
+
 /*
   PRE_INIT_OPS is in the order specified, and hence must be reversed.
 */