module Pricecut
  module Elements
    class Element
      attr_accessor :visitor, :node

      def initialize(visitor, node)
        @visitor = visitor
        @node = node
      end

      def append_newline
        append_output("\n")
      end

      alias_method :eol, :append_newline

      def append_output(text)
        visitor.append_output(text)
      end

      alias_method :p, :append_output

      def yield_children
        visitor.visit_children(node)
      end
    end
  end
end