File Coverage

blib/lib/Hash/Util/Regexp.pm

Criterion	Covered	Total	%
statement	49	50	98.0
branch	14	16	87.5
condition			n/a
subroutine	10	10	100.0
pod	6	6	100.0
total	79	82	96.3

package Hash::Util::Regexp;

use strict;
use warnings;

use Exporter 'import';

our $AUTHORITY = 'cpan:PERLANCAR'; # AUTHORITY
our $DATE = '2022-07-25'; # DATE
our $DIST = 'Hash-Util-Regexp'; # DIST
our $VERSION = '0.001'; # VERSION

our @EXPORT_OK = qw(
                       has_key_matching
                       keys_matching
                       first_key_matching

                       has_key_not_matching
                       keys_not_matching
                       first_key_not_matching
               );

sub _keys {
    my ($hash, $sort) = @_;

    my @keys = keys %$hash;
    if ($sort) {
        if (ref $sort eq 'CODE') {
            @keys = sort $sort @keys;
        } else {
            @keys = sort @keys;
        }
    }
    \@keys;
}

sub has_key_matching {
    my ($hash, $re) = @_;
    for my $key (keys %$hash) {
        return 1 if $key =~ $re;
    }
    0;
}

sub keys_matching {
    my ($hash, $re, $sort) = @_;

    my @res;
    for my $key (@{ _keys($hash, $sort) }) {
        next unless $key =~ $re;
        push @res, $key;
    }
    @res;
}

sub first_key_matching {
    my ($hash, $re, $sort) = @_;

    my @res;
    for my $key (@{ _keys($hash, $sort) }) {
        return $key if $key =~ $re;
    }
    return;
}

sub has_key_not_matching {
    my ($hash, $re) = @_;
    for my $key (keys %$hash) {
        return 1 unless $key =~ $re;
    }
    0;
}

sub keys_not_matching {
    my ($hash, $re, $sort) = @_;

    my @res;
    for my $key (@{ _keys($hash, $sort) }) {
        next if $key =~ $re;
        push @res, $key;
    }
    @res;
}

sub first_key_not_matching {
    my ($hash, $re, $sort) = @_;

    my @res;
    for my $key (@{ _keys($hash, $sort) }) {
        return $key unless $key =~ $re;
    }
    return;
}

1;
# ABSTRACT: Hash utility routines related to regular expression

__END__