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<?php
namespace OC\Files\Search\QueryOptimizer;
use OC\Files\Search\SearchBinaryOperator;
use OCP\Files\Search\ISearchBinaryOperator;
use OCP\Files\Search\ISearchOperator;
class FlattenNestedBool extends QueryOptimizerStep {
public function processOperator(ISearchOperator &$operator) {
if (
$operator instanceof SearchBinaryOperator && (
$operator->getType() === ISearchBinaryOperator::OPERATOR_OR ||
$operator->getType() === ISearchBinaryOperator::OPERATOR_AND
)
) {
$newArguments = [];
foreach ($operator->getArguments() as $oldArgument) {
if ($oldArgument instanceof SearchBinaryOperator && $oldArgument->getType() === $operator->getType()) {
$newArguments = array_merge($newArguments, $oldArgument->getArguments());
} else {
$newArguments[] = $oldArgument;
}
}
$operator->setArguments($newArguments);
}
parent::processOperator($operator);
}
}
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