File Coverage

blib/lib/Number/Compare/Duration.pm

Criterion	Covered	Total	%
statement	26	26	100.0
branch	2	4	50.0
condition	5	9	55.5
subroutine	7	7	100.0
pod	2	3	66.6
total	42	49	85.7

use strict;
use warnings;

package Number::Compare::Duration;

use base qw(Number::Compare);
use Carp ();
our $VERSION = '0.001';

my %mult = (
  s => 1,
  m => 60,
  h => 60 * 60,
  d => 60 * 60 * 24,
);

sub new {
  my $self = shift;
  my $class = ref($self) || $self;
  my $expr = $class->parse_to_perl(shift);
  return bless eval
    "sub { $class->parse_input(\$_[0]) $expr }",
    $class;
}

sub parse_to_perl {
  my ($class, $test) = @_;

  $test =~ m{^
            ([<>]=?)?  # comparison
            (.*?)      # value
            ([smhd]?)? # magnitude
            $}x
    or Carp::croak "don't understand '$test' as a test";
  my $comp   = $1 || '==';
  my $target = $2;
  my $mag    = $3 || 's';
  $target *= $mult{$mag};
  return "$comp $target";
}

sub parse_input {
  my ($self, $expr) = @_;
  $expr =~ m{^ (.*?)([smhd]?)? $}x
    or Carp::croak "don't understand '$expr' as expression";
  return $1 * $mult{$2 || 's'};
}

1;
__END__