File Coverage

blib/lib/Algorithm/CheckDigits/MXX_005.pm

Criterion	Covered	Total	%
statement	40	45	88.8
branch	7	14	50.0
condition	1	3	33.3
subroutine	11	11	100.0
pod	4	5	80.0
total	63	78	80.7

package Algorithm::CheckDigits::MXX_005;

use 5.006;
use strict;
use warnings;
use integer;

use version; our $VERSION = 'v1.3.4';

our @ISA = qw(Algorithm::CheckDigits);

my $ctable = [
	[ 0, 9, 4, 6, 8, 2, 7, 1, 3, 5,  0, ],
	[ 9, 4, 6, 8, 2, 7, 1, 3, 5, 0,  9, ],
	[ 4, 6, 8, 2, 7, 1, 3, 5, 0, 9,  8, ],
	[ 6, 8, 2, 7, 1, 3, 5, 0, 9, 4,  7, ],
	[ 8, 2, 7, 1, 3, 5, 0, 9, 4, 6,  6, ],
	[ 2, 7, 1, 3, 5, 0, 9, 4, 6, 8,  5, ],
	[ 7, 1, 3, 5, 0, 9, 4, 6, 8, 2,  4, ],
	[ 1, 3, 5, 0, 9, 4, 6, 8, 2, 7,  3, ],
	[ 3, 5, 0, 9, 4, 6, 8, 2, 7, 1,  2, ],
	[ 5, 0, 9, 4, 6, 8, 2, 7, 1, 3,  1, ],
];

sub new {
	my $proto = shift;
	my $type  = shift;
	my $class = ref($proto) || $proto;
	my $self  = bless({}, $class);
	$self->{type} = lc($type);
	return $self;
} # new()

sub is_valid {
	my ($self,$number) = @_;
	if ($number =~ /^(\d{8})(\d)$/i) {
		return $2 == $self->_compute_checkdigit($1);
	}
	return ''
} # is_valid()

sub complete {
	my ($self,$number) = @_;
	if ($number =~ /^(\d{8})$/i) {
		return  $number .  $self->_compute_checkdigit($1);
	}
	return '';
} # complete()

sub basenumber {
	my ($self,$number) = @_;
	if ($number =~ /^(\d{8})(\d)$/i) {
		return $1 if ($2 == $self->_compute_checkdigit($1));
	}
	return '';
} # basenumber()

sub checkdigit {
	my ($self,$number) = @_;
	if ($number =~ /^(\d{8})(\d)$/i) {
		return $2 if ($2 == $self->_compute_checkdigit($1));
	}
	return '';
} # checkdigit()

sub _compute_checkdigit {
	my $self   = shift;
	my $number = shift;
	my $carry  = 0;
	if ($number =~ /^\d{8}$/) {
		my @digits = split(//,$number);
		for (my $i = 0;$i <= $#digits;$i++) {
			$carry = $ctable->[$carry]->[$digits[$i]];
		}
		return (10 - $carry) % 10;
	}
	return -1;
} # _compute_checkdigit()

# Preloaded methods go here.

1;
__END__