lib/aixm/component/geometry/point.rb in aixm-0.1.3 vs lib/aixm/component/geometry/point.rb in aixm-0.2.0

@@ -2,37 +2,30 @@
   module Component
     class Geometry
 
       ##
       # Points are defined by +xy+ coordinates.
-      class Point
+      class Point < Base
+        extend Forwardable
         using AIXM::Refinements
 
+        def_delegators :xy, :to_digest
+
         attr_reader :xy
 
         def initialize(xy:)
           fail(ArgumentError, "invalid xy") unless xy.is_a? AIXM::XY
           @xy = xy
         end
 
         ##
-        # Digest to identify the payload
-        def to_digest
-          [xy.lat, xy.long].to_digest
-        end
-
-        ##
         # Render AIXM
-        #
-        # Extensions:
-        # * +:OFM+ - Open Flightmaps
         def to_xml(*extensions)
-          format = extensions >> :OFM ? :OFM : :AIXM
           builder = Builder::XmlMarkup.new(indent: 2)
           builder.Avx do |avx|
             avx.codeType('GRC')
-            avx.geoLat(xy.lat(format))
-            avx.geoLong(xy.long(format))
+            avx.geoLat(xy.lat(format_for(*extensions)))
+            avx.geoLong(xy.long(format_for(*extensions)))
             avx.codeDatum('WGE')
           end
         end
       end