inlining references into objects as simple data

lib/sof/all.rb

@@ -17,6 +17,11 @@ TrueClass.class_eval do
     "true"
   end
 end
+NilClass.class_eval do
+  def to_sof()
+    "nil"
+  end
+end
 FalseClass.class_eval do
   def to_sof()
     "false"

lib/sof/writer.rb

@@ -32,13 +32,16 @@ module Sof
 
     def object_sof_node( object , level , ref)
       head = object.class.name + "("
-      atts = attributes_for(object)
-      immediate , extended = atts.partition {|a| is_value?(get_value(object , a) ) }
-      head += immediate.collect {|a| "#{a}: #{get_value(object , a).to_sof()}"}.join(", ") + ")"
-      node = ObjectNode.new(head , ref)
-      extended.each do |a|
+      atts = attributes_for(object).inject({}) do |hash , a| 
         val = get_value(object , a)
-        node.add( to_sof_node(a,level + 1) , to_sof_node(val, level + 1) )
+        hash[a] =  to_sof_node(val , level + 1)
+        hash
+      end
+      immediate , extended = atts.partition {|a,val| val.is_a?(SimpleNode) }
+      head += immediate.collect {|a,val| "#{a}: #{val.data}"}.join(", ") + ")"
+      node = ObjectNode.new(head , ref)
+      extended.each do |a , val|
+        node.add( to_sof_node(a,level + 1) , val )
       end
       node
     end

test/sof.rb

@@ -84,6 +84,6 @@ class BasicSof < MiniTest::Test
     object = ObjectWithAttributes.new
     object.extra = object
     @out = Sof::Writer.write(object)
-    check "&1 #{OBJECT_STRING}\n :extra *1" 
+    check "&1 ObjectWithAttributes(name: 'some name', number: 1234, extra: *1)" 
   end
 end