module Rpub
  class XmlFile
    # @return [Builder::XmlMarkup]
    attr_reader :xml

    attr_reader :book

    def initialize(book = nil)
      @xml = Builder::XmlMarkup.new :indent => 2
      @book = book
    end

    # @return [String] render this file and output as string
    def to_s
      render
      xml.target!
    end
  end
end