Class: MRZ::TD2Parser

Inherits:
BaseParser show all
Defined in:
lib/mrz/td2_parser.rb

Constant Summary collapse

FORMAT_ONE = 
/\A(.{2})(.{3})([^<]+)<<(.*)\z/
FORMAT_TWO = 
/\A(.{9})(\d)(.{3})(\d{6})(\d)(.)(\d{6})(.)(.{7})(.)\z/

Constants inherited from BaseParser

BaseParser::EMPTY_SPACE, BaseParser::SPECIAL_CHAR, BaseParser::WHITESPACE

Instance Method Summary collapse

Constructor Details

#initialize(code_ary) ⇒ TD2Parser

Returns a new instance of TD2Parser.



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# File 'lib/mrz/td2_parser.rb', line 6

def initialize(code_ary)
  @code = code_ary
  @one = code_ary[0]
  @two = code_ary[1]
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/mrz/td2_parser.rb', line 12

def parse
  if @code.size != 2
    raise MRZ::InvalidFormatError, "td2 requires two mrz lines"
  end

  line_one_matches = FORMAT_ONE.match(@one)
  line_two_matches = FORMAT_TWO.match(@two)

  if @one.size != 36 || line_one_matches.nil?
    raise MRZ::InvalidFormatError, "td2 first line does not match the required format"
  end

  if line_two_matches.nil?
    raise MRZ::InvalidFormatError, "td2 second line does not match the required format"
  end

  MRZ::Result.new(
    birth_date: line_two_matches[4],
    birth_date_check_digit: line_two_matches[5],
    composite_check_digit: line_two_matches[10],
    document_code: special_char_to_empty_space(line_one_matches[1]),
    document_number: special_char_to_empty_space(line_two_matches[1]),
    document_number_check_digit: line_two_matches[2],
    expiration_date: line_two_matches[7],
    expiration_date_check_digit: line_two_matches[8],
    first_name: special_char_to_white_space(line_one_matches[4]).strip,
    issuing_state: special_char_to_empty_space(line_one_matches[2]),
    last_name: line_one_matches[3],
    nationality: special_char_to_empty_space(line_two_matches[3]),
    optional1: special_char_to_empty_space(line_two_matches[9]),
    optional2: "",
    sex: special_char_to_empty_space(line_two_matches[6]),
    type: :td2,
  )
end