File Coverage

blib/lib/DTL/Fast/Filter/Join.pm

Criterion	Covered	Total	%
statement	30	30	100.0
branch	9	10	90.0
condition	2	5	40.0
subroutine	6	6	100.0
pod	0	2	0.0
total	47	53	88.6

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

$DTL::Fast::FILTER_HANDLERS{'join'} = __PACKAGE__;

#@Override
sub parse_parameters
{
    my( $self ) = @_;

    die $self->get_parse_error("no separator passed to the join filter")
        if(
            ref $self->{'parameter'} ne 'ARRAY'
            or not scalar @{$self->{'parameter'}}
        );

    $self->{'sep'} = $self->{'parameter'}->[0];

    return $self;
}

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

    my $value_type = ref $value;
    my $result = undef;
    my $separator = $self->{'sep'}->render($context, 1);

    my @source = ();
    if( $value_type eq 'HASH' )
    {
        @source = (%$value);
    }
    elsif( $value_type eq 'ARRAY' )
    {
        @source = @$value;
    }
    else
    {
        die $self->get_render_error(
            $context,
            sprintf( "Unable to apply join filter to the %s value"
                , $value_type || 'SCALAR'
            )
        );
    }

    if( $filter_manager->{'safeseq'} )
    {
        $separator = DTL::Fast::html_protect($separator)
            if not $context->{'ns'}->[-1]->{'_dtl_safe'};

        $filter_manager->{'safe'} = 1;
    }

    return join $separator, @source;
}

1;