Sha256: e3884f4781b866d5b89af0e3bcc3470b8f68cbd7abd4ac30c98eec8ac902e62e
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Size: 1.56 KB
Versions: 9
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Stored size: 1.56 KB
Contents
# encoding: utf-8
module Zebra
module Zpl
class CharacterSet
class InvalidNumberOfDataBits < StandardError; end
class CountryCodeNotApplicableForNumberOfDataBits < StandardError; end
class MissingAttributeError < StandardError
def initialize(attr)
super("Can't set character set if the #{attr} is not given")
end
end
attr_reader :number_of_data_bits, :language, :country_code
def initialize(options = {})
options.each_pair { |attribute, value| self.__send__ "#{attribute}=", value }
end
def number_of_data_bits=(nodb)
raise InvalidNumberOfDataBits unless [7, 8, nil].include?(nodb)
@number_of_data_bits = nodb
end
def language=(l)
Language.validate_language(l) unless l.nil?
@language = l
end
def country_code=(code)
CountryCode.validate_country_code(code) unless code.nil?
@country_code = code
end
def to_zpl
raise MissingAttributeError.new("language") if language.nil?
raise MissingAttributeError.new("number of data bits") if number_of_data_bits.nil?
raise MissingAttributeError.new("country code") if number_of_data_bits == 8 && country_code.nil?
raise CountryCodeNotApplicableForNumberOfDataBits if number_of_data_bits == 7 && !country_code.nil?
Language.validate_language_for_number_of_data_bits language, number_of_data_bits
["I#{number_of_data_bits}", language, country_code].compact.join(",")
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems