Driver.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Database\Driver\PDOSqlite;
 
use Doctrine\DBAL\Driver\AbstractSQLiteDriver;
use Doctrine\DBAL\Driver\Connection as DriverConnectionInterface;
use Doctrine\DBAL\Driver\PDO\Exception;
use Doctrine\DBAL\Platforms\SqlitePlatform as DoctrineSQLitePlatform;
use ‪TYPO3\CMS\Core\Database\Driver\DriverConnection as TYPO3DriverConnection;
 
final class ‪Driver extends AbstractSQLiteDriver
{
    private array ‪$userDefinedFunctions = [
        'sqrt' => ['callback' => [DoctrineSQLitePlatform::class, 'udfSqrt'], 'numArgs' => 1],
        'mod' => ['callback' => [DoctrineSQLitePlatform::class, 'udfMod'], 'numArgs' => 2],
        'locate' => ['callback' => [DoctrineSQLitePlatform::class, 'udfLocate'], 'numArgs' => -1],
    ];
 
    public function ‪connect(array $params): DriverConnectionInterface
    {
        $driverOptions = $params['driverOptions'] ?? [];
 
        if (isset($driverOptions['userDefinedFunctions'])) {
            $this->userDefinedFunctions = array_merge(
                $this->userDefinedFunctions,
                $driverOptions['userDefinedFunctions']
            );
            unset($driverOptions['userDefinedFunctions']);
        }
 
        try {
            $pdo = new \PDO(
                $this->‪constructPdoDsn($params),
                $params['user'] ?? '',
                $params['password'] ?? '',
                $driverOptions
            );
        } catch (\PDOException $exception) {
            throw Exception::new($exception);
        }
 
        foreach ($this->userDefinedFunctions as $fn => $data) {
            $pdo->sqliteCreateFunction($fn, $data['callback'], $data['numArgs']);
        }
 
        return new TYPO3DriverConnection($pdo);
    }
 
    private function ‪constructPdoDsn(array $params): string
    {
        $dsn = 'sqlite:';
        if (isset($params['path'])) {
            $dsn .= $params['path'];
        } elseif (isset($params['memory'])) {
            $dsn .= ':memory:';
        }
        return $dsn;
    }
}