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<?php declare(strict_types = 1);
namespace Apicart\FQL\Generator\Native;
use Apicart\FQL\Generator\Common\AbstractVisitor;
use Apicart\FQL\Token\Node\Group as GroupNode;
use Apicart\FQL\Value\AbstractNode;
use LogicException;
final class Group extends AbstractVisitor
{
public function accept(AbstractNode $node): bool
return $node instanceof GroupNode;
}
public function visit(AbstractNode $node, ?AbstractVisitor $subVisitor = null, ?array $options = null): string
if (! $node instanceof GroupNode) {
throw new LogicException('Implementation accepts instance of Group Node');
if ($subVisitor === null) {
throw new LogicException('Implementation requires sub-visitor');
$clauses = [];
foreach ($node->getNodes() as $subNode) {
$clauses[] = $subVisitor->visit($subNode, $subVisitor, $options);
$clauses = implode(' ', $clauses);
$tokenLeft = $node->getTokenLeft();
$tokenRight = $node->getTokenRight();
$domainPrefix = $tokenLeft === null || $tokenLeft->getDomain() === '' ? '' : "{$tokenLeft->getDomain()}:";
$delimiter = $tokenLeft === null ? '' : $tokenLeft->getDelimiter();
$lexeme = $tokenRight === null ? '' : $tokenRight->getLexeme();
return "{$domainPrefix}{$delimiter}{$clauses}{$lexeme}";
apicart /
fql
