package Catmandu::Fix::filter;
use Catmandu::Sane;
our $VERSION = '1.0507';
use Moo;
use namespace::clean;
use Catmandu::Fix::Has;
has path => (fix_arg => 1);
has search => (fix_arg => 1);
with 'Catmandu::Fix::SimpleGetValue';
sub emit_value {
my ($self, $var, $fixer) = @_;
"if (is_array_ref(${var})) {"
. "${var} = [ grep { "
. $fixer->emit_match($self->search)
. " } \@{${var}} ];" . "}";
}
1;
__END__
=pod
=head1 NAME
Catmandu::Fix::filter - Filter values out of an array based on a regular expression
=head1 SYNOPSIS
# words => ["Patrick","Nicolas","Paul","Frank"]
filter(words,'Pa')
# words => ["Patrick","Paul"]
=head1 SEE ALSO
L<Catmandu::Fix>
=cut