class Ecu
  class Festwert < Label
    def self.dcm_header
      %r{FESTWERT\s+(?<name>[A-Za-z0-9\._]+)}
    end

    def to_dcm
      "#{type.upcase} #{name}\n".tap do |str|
        str << "  LANGNAME #{description.enquote}\n" if description
        str << "  FUNKTION #{function}\n"            if function
        str << "  EINHEIT_W #{unit.enquote}\n"       if unit
        str << case value
               when Numeric then "  WERT #{value}\n"
               when String  then "  TEXT #{value.enquote}\n"
               end
        str << "END\n"
      end
    end
  end
end