Normalize u-* property values for implied properties

lib/microformats2/format.rb

@@ -41,7 +41,7 @@ module Microformats2
     def parse_implied_properties
       ip = []
       ip << ImpliedProperty::Name.new(@element).parse unless property_present?(:name)
-      ip << ImpliedProperty::Url.new(@element).parse unless property_present?(:url)
+      ip << ImpliedProperty::Url.new(@element, @base).parse unless property_present?(:url)
       ip << ImpliedProperty::Photo.new(@element).parse unless property_present?(:photo)
       ip.compact.each do |property|
         save_property_name(property.method_name)

lib/microformats2/implied_property/foundation.rb

@@ -2,8 +2,9 @@ module Microformats2
   module ImpliedProperty
     class Foundation
 
-      def initialize(element)
+      def initialize(element, base=nil)
         @element = element
+        @base = base
       end
 
       def parse

lib/microformats2/implied_property/url.rb

@@ -6,6 +6,22 @@ module Microformats2
         "url"
       end
 
+      def to_s
+        @to_s = absolutize(super.to_s) if super.to_s != ""
+      end
+
+      # TODO: make dry, repeated in Collection
+      def absolutize(href)
+        uri = URI.parse(href)
+
+        if @base && !uri.absolute?
+          uri = URI.join(@base, href)
+        end
+
+        uri.normalize!
+        uri.to_s
+      end
+
       protected
 
       def name_map