make to hash and array functions reusable for parfait

lib/sof/array.rb

@@ -39,13 +39,18 @@ module Sof
       end
     end
   end
-end
+
-Array.class_eval do
+  def self.array_to_sof_node(array , writer , level , ref )
-  def to_sof_node(writer , level , ref )
     node = Sof::ArrayNode.new(ref)
-    each do |object|
+    array.each do |object|
       node.add writer.to_sof_node( object , level + 1)
     end
     node
   end
+
+end
+Array.class_eval do
+  def to_sof_node(writer , level , ref )
+    Sof.array_to_sof_node(self , writer , level , ref )
+  end
 end

lib/sof/hash.rb

@@ -44,12 +44,10 @@ module Sof
       end
     end
   end
-end
 
-Hash.class_eval do
+  def self.hash_to_sof_node(hash,writer , level , ref)
-  def to_sof_node(writer , level , ref)
     node = Sof::HashNode.new(ref)
-    each do |key , object|
+    hash.each do |key , object|
       k = writer.to_sof_node( key ,level + 1)
       v = writer.to_sof_node( object ,level + 1)
       node.add(k , v)
@@ -58,3 +56,8 @@ Hash.class_eval do
   end
 end
 
+Hash.class_eval do
+  def to_sof_node(writer , level , ref)
+    Sof.hash_to_sof_node( self , writer , level , ref)
+  end
+end