lib/eddy/models/segment.rb in eddy-0.7.0 vs lib/eddy/models/segment.rb in eddy-0.8.0

@@ -11,24 +11,28 @@
       attr_reader :name
       # @return [Array<Element>]
       attr_accessor :elements
       # @return [Eddy::Data::Store] Data passed down from a Transaction Set.
       attr_accessor :store
+      # @return [Boolean] (false) If true, `#render` will return `nil`.
+      attr_accessor :skip
 
       # All of a Segment's elements need to be declared in its constructor.
       #
       # @param store [Eddy::Data::Store]
       # @param elements [Eddy::Models::Element::Base]
       # @return [void]
       def initialize(store, *elements)
+        self.skip = false
         self.store = store
         elements.flatten!
         self.elements = elements || []
       end
 
       # @param separator [String] (self.store.element_separator) String used to delimit elements within a segment.
-      # @return [String]
+      # @return [String,nil]
       def render(separator = self.store.element_separator)
+        return nil if self.skip
         segment = [self.id, self.elements.map(&:value)].join(separator)
         return Eddy::Util.trim_delims_from_segment(segment, separator: separator)
       end
 
     end