hets/dg/parser.rb

module Hets
  module DG
    class Parser
      attr_accessor :resource, :callback

      def initialize(resource)
        self.resource = resource
      end

      def parse(callback: nil)
        input = resource.respond_to?(:close) ? resource : File.open(resource)
        parser(callback).parse(input)
        input.close
      end

      private
      def parser(callback)
        listener = NokogiriListener.new(callback)
        Nokogiri::XML::SAX::Parser.new(listener)
      end
    end
  end
end