File Coverage

blib/lib/DTL/Fast/Tag/Cycle.pm

Criterion	Covered	Total	%
statement	35	35	100.0
branch	6	6	100.0
condition	5	6	83.3
subroutine	7	7	100.0
pod	0	3	0.0
total	53	57	92.9

package DTL::Fast::Tag::Cycle;
use strict; use utf8; use warnings FATAL => 'all';
use parent 'DTL::Fast::Tag::Simple';

$DTL::Fast::TAG_HANDLERS{'cycle'} = __PACKAGE__;

#@Override
sub parse_parameters
{
    my $self = shift;

    $self->{'parameter'} =~ /^\s*(.+?)\s*(?:as (.+?)\s*(silent)?)?\s*$/;
    @{$self}{'source', 'destination', 'silent', 'sources', 'current_sources'} = ($1 // '', $2 // '', $3 // '', [], []);
    $self->{'sources'} = $self->parse_sources($self->{'source'});

    return $self;
}

#@Override
sub render
{
    my( $self, $context, $global_safe) = @_;
    my $result = '';

    my $source = $self->get_next_source();
    my $current_value = $source->render($context, $global_safe);

    if( not $self->{'silent'} )
    {
        $result = $current_value;
    }

    if( $self->{'destination'} )
    {
        $context->set( $self->{'destination'} => $current_value );
    }

    return $result;
}

sub get_next_source
{
    my $self = shift;

    if( not scalar @{$self->{'current_sources'}} )    # populate for current cycle
    {
        push @{$self->{'current_sources'}}, @{$self->{'sources'}};
    }

    return shift @{$self->{'current_sources'}};
}

1;