lib/mpatch/hash.rb in mpatch-2.8.0 vs lib/mpatch/hash.rb in mpatch-2.8.1

@@ -108,9 +108,22 @@
         end
 
         return tmp_hash
       end
 
+      # Fetch a nested hash value
+      def value_by_keys(*attrs)
+        attr_count = attrs.size
+        current_val = self
+        for i in 0..(attr_count-1)
+          attr_name = attrs[i]
+          return current_val[attr_name] if i == (attr_count-1)
+          return nil if current_val[attr_name].nil?
+          current_val = current_val[attr_name]
+        end
+        return nil
+      end
+
     end
 
   end
 
   require File.join 'mpatch','injector'
\ No newline at end of file