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inc/Test/Base.pm  view on Meta::CPAN

sub set_value {
    no strict 'refs';
    my $accessor = shift;
    block_accessor $accessor
      unless defined &$accessor;
    $self->{$accessor} = [@_];
}

sub run_filters {
    my $map = $self->_section_map;
    my $order = $self->_section_order;
    Carp::croak "Attempt to filter a block twice"
      if $self->is_filtered;
    for my $type (@$order) {
        my $filters = $map->{$type}{filters};
        my @value = $self->$type;
        $self->original_values->{$type} = $value[0];
        for my $filter ($self->_get_filters($type, $filters)) {
            $Test::Base::Filter::arguments =
              $filter =~ s/=(.*)$// ? $1 : undef;
            my $function = "main::$filter";
            no strict 'refs';
            if (defined &$function) {
                $_ = join '', @value;
                @value = &$function(@value);
                if (not(@value) or 
                    @value == 1 and $value[0] =~ /\A(\d+|)\z/
                ) {
                    @value = ($_);
                }
            }
            else {
                my $filter_object = $self->blocks_object->filter_class->new;
                die "Can't find a function or method for '$filter' filter\n"
                  unless $filter_object->can($filter);
                $filter_object->current_block($self);
                @value = $filter_object->$filter(@value);
            }
            # Set the value after each filter since other filters may be
            # introspecting.
            $self->set_value($type, @value);
        }
    }
    $self->is_filtered(1);
}

sub _get_filters {
    my $type = shift;
    my $string = shift || '';
    $string =~ s/\s*(.*?)\s*/$1/;
    my @filters = ();
    my $map_filters = $self->blocks_object->_filters_map->{$type} || [];
    $map_filters = [ $map_filters ] unless ref $map_filters;
    my @append = ();
    for (
        @{$self->blocks_object->_filters}, 
        @$map_filters,
        split(/\s+/, $string),
    ) {
        my $filter = $_;
        last unless length $filter;
        if ($filter =~ s/^-//) {
            @filters = grep { $_ ne $filter } @filters;
        }
        elsif ($filter =~ s/^\+//) {
            push @append, $filter;
        }
        else {
            push @filters, $filter;
        }
    }
    return @filters, @append;
}

{
    %$reserved_section_names = map {
        ($_, 1);
    } keys(%Test::Base::Block::), qw( new DESTROY );
}

__DATA__

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