package DTL::Fast::Filter::Split;
use strict;
use utf8;
use warnings FATAL => 'all';
use parent 'DTL::Fast::Filter';

$DTL::Fast::FILTER_HANDLERS{split} = __PACKAGE__;

#@Override
sub parse_parameters
{
    my $self = shift;
    die $self->get_parse_error("no split pattern specified")
        if (not scalar @{$self->{parameter}});
    $self->{pattern} = $self->{parameter}->[0];
    return $self;
}

#@Override
sub filter
{
    my ($self, $filter_manager, $value, $context ) = @_;

    my $pattern = $self->{pattern}->render($context);

    die $self->get_render_error("splitting pattern must be defined and not empty")
        if (not $pattern);

    $value = [ split /$pattern/si, $value // '' ];

    return $value;
}

1;