File Coverage

blib/lib/Algorithm/CheckDigits/M43_001.pm

Criterion	Covered	Total	%
statement	40	44	90.9
branch	6	12	50.0
condition	1	3	33.3
subroutine	11	11	100.0
pod	4	5	80.0
total	62	75	82.6

package Algorithm::CheckDigits::M43_001;

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

use version; our $VERSION = 'v1.3.5';

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

my %keytable = (
	'0' =>  0, '1' =>  1, '2' =>  2, '3' =>  3,
	'4' =>  4, '5' =>  5, '6' =>  6, '7' =>  7,
	'8' =>  8, '9' =>  9, 'A' => 10, 'B' => 11,
	'C' => 12, 'D' => 13, 'E' => 14, 'F' => 15,
	'G' => 16, 'H' => 17, 'I' => 18, 'J' => 19,
	'K' => 20, 'L' => 21, 'M' => 22, 'N' => 23,
	'O' => 24, 'P' => 25, 'Q' => 26, 'R' => 27,
	'S' => 28, 'T' => 29, 'U' => 30, 'V' => 31,
	'W' => 32, 'X' => 33, 'Y' => 34, 'Z' => 35,
	'-' => 36, '.' => 37, ' ' => 38, '$' => 39,
	'/' => 40, '+' => 41, '%' => 42,
);

my %keymap = reverse %keytable;

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 ($number =~ /^(.*)(.)$/i) {
		return $2 eq $self->_compute_checkdigit($1);
	}
	return ''
} # is_valid()

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

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

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

sub _compute_checkdigit {
	my $self   = shift;
	my $number = shift;
	my $sum    = 0;

	my @digits = split(//,$number);

	for (my $i = 0; $i < length($number); $i++) {
		$sum += $keytable{$digits[$i]};
	}
	$sum %= 43;
	return $keymap{$sum};
} # _compute_checkdigit()

# Preloaded methods go here.

1;
__END__