38 lines
1.0 KiB
PHP
38 lines
1.0 KiB
PHP
<?php
|
|
|
|
/**
|
|
* SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
|
|
* SPDX-License-Identifier: AGPL-3.0-or-later
|
|
*/
|
|
namespace OC\Files\Search\QueryOptimizer;
|
|
|
|
use OC\Files\Search\SearchBinaryOperator;
|
|
use OCP\Files\Search\ISearchOperator;
|
|
|
|
/**
|
|
* Optimizer step that can replace the $operator altogether instead of just modifying it
|
|
* These steps need some extra logic to properly replace the arguments of binary operators
|
|
*/
|
|
class ReplacingOptimizerStep extends QueryOptimizerStep {
|
|
/**
|
|
* Allow optimizer steps to modify query operators
|
|
*
|
|
* Returns true if the reference $operator points to a new value
|
|
*/
|
|
public function processOperator(ISearchOperator &$operator): bool {
|
|
if ($operator instanceof SearchBinaryOperator) {
|
|
$modified = false;
|
|
$arguments = $operator->getArguments();
|
|
foreach ($arguments as &$argument) {
|
|
if ($this->processOperator($argument)) {
|
|
$modified = true;
|
|
}
|
|
}
|
|
if ($modified) {
|
|
$operator->setArguments($arguments);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|