SqlReader.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\Schema;
 
use Psr\EventDispatcher\EventDispatcherInterface;
use ‪TYPO3\CMS\Core\Database\Event\AlterTableDefinitionStatementsEvent;
use TYPO3\CMS\Core\Package\PackageManager;
 
class ‪SqlReader
{
    protected ‪$eventDispatcher;
 
    protected ‪$packageManager;
 
    public function ‪__construct(EventDispatcherInterface ‪$eventDispatcher, PackageManager ‪$packageManager)
    {
        $this->eventDispatcher = ‪$eventDispatcher;
        $this->packageManager = ‪$packageManager;
    }
 
    public function ‪getTablesDefinitionString(bool $withStatic = false): string
    {
        $sqlString = [];
 
        // Find all ext_tables.sql of loaded extensions
        foreach ($this->packageManager->getActivePackages() as $package) {
            $packagePath = $package->getPackagePath();
            if (@file_exists($packagePath . 'ext_tables.sql')) {
                $sqlString[] = (string)file_get_contents($packagePath . 'ext_tables.sql');
            }
            if ($withStatic && @file_exists($packagePath . 'ext_tables_static+adt.sql')) {
                $sqlString[] = (string)file_get_contents($packagePath . 'ext_tables_static+adt.sql');
            }
        }
 
        $event = $this->eventDispatcher->dispatch(new ‪AlterTableDefinitionStatementsEvent($sqlString));
        $sqlString = $event->getSqlData();
 
        return implode(LF . LF, $sqlString);
    }
 
    public function ‪getStatementArray(string $dumpContent, string $queryRegex = null): array
    {
        $statementArray = [];
        $statementArrayPointer = 0;
        $isInMultilineComment = false;
        foreach (explode(LF, $dumpContent) as $lineContent) {
            $lineContent = trim($lineContent);
 
            // Skip empty lines and comments
            if ($lineContent === '' || $lineContent[0] === '#' || strpos($lineContent, '--') === 0 ||
                strpos($lineContent, '/*') === 0 || substr($lineContent, -2) === '*/' || $isInMultilineComment
            ) {
                // skip c style multiline comments
                if (strpos($lineContent, '/*') === 0 && substr($lineContent, -2) !== '*/') {
                    $isInMultilineComment = true;
                }
                if (substr($lineContent, -2) === '*/') {
                    $isInMultilineComment = false;
                }
                continue;
            }
 
            $statementArray[$statementArrayPointer] = ($statementArray[$statementArrayPointer] ?? '') . $lineContent;
 
            if (substr($lineContent, -1) === ';') {
                $statement = trim($statementArray[$statementArrayPointer]);
                if (!$statement || ($queryRegex && !preg_match('/' . $queryRegex . '/i', $statement))) {
                    unset($statementArray[$statementArrayPointer]);
                }
                $statementArrayPointer++;
            } else {
                $statementArray[$statementArrayPointer] .= ' ';
            }
        }
 
        return $statementArray;
    }
 
    public function ‪getInsertStatementArray(string $dumpContent): array
    {
        return $this->‪getStatementArray($dumpContent, '^INSERT');
    }
 
    public function ‪getCreateTableStatementArray(string $dumpContent): array
    {
        return $this->‪getStatementArray($dumpContent, '^CREATE TABLE');
    }
}