ActiveLdap 1.2.4

[redminele/redminele.git] / ruby / lib / ruby / gems / 1.8 / gems / activesupport-2.3.12 / lib / active_support / option_merger.rb

diff --git a/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.12/lib/active_support/option_merger.rb b/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.12/lib/active_support/option_merger.rb
new file mode 100644 (file)
index 0000000..63662b7
--- /dev/null
+++ b/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.12/lib/active_support/option_merger.rb
@@ -0,0 +1,23 @@
+module ActiveSupport
+  class OptionMerger #:nodoc:
+    instance_methods.each do |method|
+      undef_method(method) if method !~ /^(__|instance_eval|class|object_id)/
+    end
+
+    def initialize(context, options)
+      @context, @options = context, options
+    end
+
+    private
+      def method_missing(method, *arguments, &block)
+        if arguments.last.is_a?(Proc)
+          proc = arguments.pop
+          arguments << lambda { |*args| @options.deep_merge(proc.call(*args)) }
+        else
+          arguments << (arguments.last.respond_to?(:to_hash) ? @options.deep_merge(arguments.pop) : @options.dup)
+        end
+
+        @context.__send__(method, *arguments, &block)
+      end
+  end
+end