File Coverage

blib/lib/Catmandu/Fix/rename.pm

Criterion	Covered	Total	%
statement	35	35	100.0
branch	5	6	83.3
condition			n/a
subroutine	8	8	100.0
pod			n/a
total	48	49	97.9

package Catmandu::Fix::rename;

use Catmandu::Sane;

our $VERSION = '1.2020';

use Catmandu::Util::Path qw(as_path);
use Moo;
use Catmandu::Util qw(is_hash_ref is_array_ref);
use namespace::clean;
use Catmandu::Fix::Has;

has path    => (fix_arg => 1);
has search  => (fix_arg => 1);
has replace => (fix_arg => 1);

with 'Catmandu::Fix::Builder';

sub _build_fixer {
    my ($self)  = @_;
    my $search  = $self->search;
    my $replace = $self->replace;
    my $renamer;
    $renamer = sub {
        my $data = $_[0];

        if (is_hash_ref($data)) {
            for my $old (keys %$data) {
                my $new = $old;
                my $val = $data->{$old};
                if ($new =~ s/$search/$replace/g) {
                    delete $data->{$old};
                    $data->{$new} = $val;
                }
                $renamer->($val);
            }
        }
        elsif (is_array_ref($data)) {
            $renamer->($_) for @$data;
        }

        $data;
    };

    as_path($self->path)->updater($renamer);
}

1;

__END__

=pod

=head1 NAME

Catmandu::Fix::rename - rename fields with a regex

=head1 SYNOPSIS

   # dotted => {'ns.foo' => 'val', list => {'ns.bar' => 'val'}}
   rename(dotted, '\.', '-')
   # dotted => {'ns-foo' => 'val', list => {'ns-bar' => 'val'}}

=head1 SEE ALSO

L<Catmandu::Fix>

=cut