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package Catmandu::Fix::filter;
use Catmandu::Sane;
our $VERSION = '1.2024';
use Catmandu::Util qw(is_array_ref);
use Catmandu::Util::Regex qw(as_regex);
use Catmandu::Util::Path qw(as_path);
use Moo;
use namespace::clean;
use Catmandu::Fix::Has;
has path => (fix_arg => 1);
has search => (fix_arg => 1);
has invert => (fix_opt => 1);
with 'Catmandu::Fix::Builder';
sub _build_fixer {
my ($self) = @_;
my $regex = as_regex($self->search);
my $cb = $self->invert
? sub {
[grep {!m/$regex/} @{$_[0]}];
}
: sub {
[grep {m/$regex/} @{$_[0]}];
};
as_path($self->path)->updater(if_array_ref => $cb);
}
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"]
# filter only values that do NOT match the pattern:
filter(words, 'Pa', invert: 1)
# words => ["Nicolas","Frank"]
=head1 SEE ALSO
L<Catmandu::Fix>
=cut
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