File Coverage

blib/lib/Sort/Sub/num_in_text.pm

Criterion	Covered	Total	%
statement	31	34	91.1
branch	13	20	65.0
condition	6	9	66.6
subroutine	6	6	100.0
pod	0	1	0.0
total	56	70	80.0

package Sort::Sub::num_in_text;

our $DATE = '2016-12-16'; # DATE
our $VERSION = '0.002'; # VERSION

use 5.010001;
use strict;
use warnings;

sub gen_sorter {
    my ($is_reverse, $is_ci) = @_;

    sub {
        no strict 'refs';

        my $caller = caller();
        my $a = @_ ? $_[0] : ${"$caller\::a"};
        my $b = @_ ? $_[1] : ${"$caller\::b"};

        my $cmp;

        my $num_a; $num_a = $1 if $a =~ /(\d+)/;
        my $num_b; $num_b = $1 if $b =~ /(\d+)/;

        {
            if (defined $num_a && defined $num_b) {
                $cmp = $num_a <=> $num_b;
                last if $cmp;
            } elsif (defined $num_a && !defined $num_b) {
                $cmp = -1;
                last;
            } elsif (!defined $num_a && defined $num_b) {
                $cmp = 1;
                last;
            }

            if ($is_ci) {
                $cmp = lc($a) cmp lc($b);
            } else {
                $cmp = $a cmp $b;
            }
        }

        $is_reverse ? -1*$cmp : $cmp;
    };
}

1;
# ABSTRACT: Sort by first number found in text or (if no number is found) ascibetically

__END__