Apicart\FQL\Generator\Native\UnaryOperator

Complexity

Total Complexity

9

Size/Duplication

Total Lines	23
Duplicated Lines	0 %

Test Coverage

Coverage

83.33%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	visit()	0	14	6
A	accept()	0	3	3

<?php declare(strict_types = 1);

namespace Apicart\FQL\Generator\Native;

use Apicart\FQL\Generator\Common\AbstractVisitor;
use Apicart\FQL\Token\Node\LogicalNot;
use Apicart\FQL\Token\Node\Mandatory;
use Apicart\FQL\Token\Node\Prohibited;
use Apicart\FQL\Tokenizer\Tokenizer;
use Apicart\FQL\Value\AbstractNode;
use LogicException;

final class UnaryOperator extends AbstractVisitor
{

    public function accept(AbstractNode $node): bool
    {
        return $node instanceof Mandatory || $node instanceof Prohibited || $node instanceof LogicalNot;
    }


    public function visit(AbstractNode $node, ?AbstractVisitor $subVisitor = null, ?array $options = null): string
    {
        if (! $node instanceof Mandatory && ! $node instanceof Prohibited && ! $node instanceof LogicalNot) {
            throw new LogicException('Implementation accepts instance of Mandatory, Prohibited or LogicalNot Node');
        }
        if ($subVisitor === null) {
            throw new LogicException('Implementation requires sub-visitor');
        }
        $clause = $subVisitor->visit($node->getOperand(), $subVisitor, $options);
        $padding = '';
        if ($node->getToken()->getType() === Tokenizer::TOKEN_LOGICAL_NOT) {
            $padding = ' ';
        }
        return "{$node->getToken()->getLexeme()}{$padding}{$clause}";
    }

}