lib/mutaconf.rb in mutaconf-0.0.4 vs lib/mutaconf.rb in mutaconf-0.0.5

@@ -1,11 +1,23 @@
 # encoding: UTF-8
 
 module Mutaconf
-  VERSION = '0.0.4'
+  VERSION = '0.0.5'
 
   def self.dsl *args
     DSL.new *args
+  end
+
+  def self.extract source, key
+    if source.kind_of? Hash
+      source[key.to_sym]
+    elsif source.kind_of? OpenStruct
+      source.send key.to_sym
+    elsif source.kind_of?(String) or source.kind_of?(Symbol)
+      source
+    elsif source
+      source.send key.to_sym
+    end
   end
 end
 
 Dir[File.join File.dirname(__FILE__), File.basename(__FILE__, '.*'), '*.rb'].each{ |lib| require lib }