Added Action Service to the repository

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@658 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 26 insertions, 0 deletions

diff --git a/actionservice/lib/action_service/support/class_inheritable_options.rb b/actionservice/lib/action_service/support/class_inheritable_options.rb
new file mode 100644
index 0000000000..4d1c2ed471
--- /dev/null
+++ b/actionservice/lib/action_service/support/class_inheritable_options.rb
@@ -0,0 +1,26 @@
+class Class # :nodoc:
+  def class_inheritable_option(sym, default_value=nil)
+    write_inheritable_attribute sym, default_value
+    class_eval <<-EOS
+      def self.#{sym}(value=nil)
+        if !value.nil?
+          write_inheritable_attribute(:#{sym}, value)
+        else
+          read_inheritable_attribute(:#{sym})
+        end
+      end
+      
+      def self.#{sym}=(value)
+        write_inheritable_attribute(:#{sym}, value)
+      end
+
+      def #{sym}
+        self.class.#{sym}
+      end
+
+      def #{sym}=(value)
+        self.class.#{sym} = value
+      end
+    EOS
+  end
+end