Class: MRZ::TD1Parser

Inherits:
BaseParser show all
Defined in:
lib/mrz/td1_parser.rb

Constant Summary collapse

FORMAT_ONE = 
/\A(.{2})(.{3})(.{9})(\d)(.{15})\z/
FORMAT_TWO = 
/\A(\d{6})(\d)(.)(\d{6})(\d)(.{3})(.{11})(\d)\z/
FORMAT_THREE = 
/\A([^<]+)<<(.+)\z/

Constants inherited from BaseParser

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

Instance Method Summary collapse

Constructor Details

#initialize(code_ary) ⇒ TD1Parser

Returns a new instance of TD1Parser.



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# File 'lib/mrz/td1_parser.rb', line 7

def initialize(code_ary)
  @code  = code_ary
  @one   = code_ary[0]
  @two   = code_ary[1]
  @three = code_ary[2]
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/mrz/td1_parser.rb', line 14

def parse
  if @code.size != 3
    raise MRZ::InvalidFormatError, "td1 requires 3 mrz lines"
  end

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

  if line_one_matches.nil?
    raise MRZ::InvalidFormatError, "td1 first line does not match the required format"
  end

  if line_two_matches.nil?
    raise MRZ::InvalidFormatError, "td1 second line does not match the required format"
  end

  if @three.size != 30 || line_three_matches.nil?
    raise MRZ::InvalidFormatError, "td1 third line does not match the required format"
  end

  MRZ::Result.new(
    birth_date: line_two_matches[1],
    birth_date_check_digit: line_two_matches[2],
    composite_check_digit: line_two_matches[8],
    document_code: special_char_to_empty_space(line_one_matches[1]),
    document_number: special_char_to_empty_space(line_one_matches[3]),
    document_number_check_digit: line_one_matches[4],
    expiration_date: line_two_matches[4],
    expiration_date_check_digit: line_two_matches[5],
    first_name: special_char_to_white_space(line_three_matches[2]).strip,
    issuing_state: special_char_to_empty_space(line_one_matches[2]),
    last_name: line_three_matches[1],
    nationality: special_char_to_empty_space(line_two_matches[6]),
    optional1: special_char_to_empty_space(line_one_matches[5]),
    optional2: special_char_to_empty_space(line_two_matches[7]),
    sex: special_char_to_empty_space(line_two_matches[3]),
    type: :td1,
  )
end