DRY up the logic to create new property classes.

Take some code that was duplicated in both the PropertyParser and
Format classes and move into a method in the Property module.

lib/microformats2/format.rb

@@ -33,13 +33,7 @@ module Microformats2
     end
 
     def add_property(property_class, value)
-      # NOTE: Might want to DRY this up with what is in PropertyParser
-      prefix = property_class.split("-").first
-      # find ruby class for kind of property
-      klass = Microformats2::Property::PREFIX_CLASS_MAP[prefix]
-      raise InvalidPropertyPrefix unless klass
-      # We don't have a nokogiri element so pass in nil
-      property = klass.new(nil, property_class, value)
+      property = Property.new(nil, property_class, value)
       assign_property(property)
     end
 

lib/microformats2/property.rb

@@ -6,5 +6,18 @@ module Microformats2
       "u" => Url,
       "dt" => DateTime,
       "e" => Embedded }
+
+    class << self
+
+	    def new(element, property_class, value=nil)
+	      # p-class-name -> p
+	      prefix = property_class.split("-").first
+	      # find ruby class for kind of property
+	      klass = PREFIX_CLASS_MAP[prefix]
+	      raise InvalidPropertyPrefix unless klass
+	      klass.new(element, property_class, value)
+	    end
+	  end
+
   end
 end

lib/microformats2/property_parser.rb

@@ -26,12 +26,7 @@ module Microformats2
 
       def parse_property(element)
         property_classes(element).map do |property_class|
-          # p-class-name -> p
-          prefix = property_class.split("-").first
-          # find ruby class for kind of property
-          klass = Microformats2::Property::PREFIX_CLASS_MAP[prefix]
-
-          property = klass.new(element, property_class).parse
+          property   = Property.new(element, property_class).parse
           properties = format_classes(element).empty? ? PropertyParser.parse(element.children) : []
 
           [property].concat properties