ClassNamingUtility.php

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<?php
namespace TYPO3\CMS\Core\Utility;

/*
 * 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!
 */

class ClassNamingUtility
{
    public static function translateModelNameToRepositoryName($modelName)
    {
        return str_replace(
            ['\\Domain\\Model', '_Domain_Model_'],
            ['\\Domain\\Repository', '_Domain_Repository_'],
            $modelName
        ) . 'Repository';
    }

    public static function translateModelNameToValidatorName($modelName)
    {
        return str_replace(
            ['\\Domain\\Model\\', '_Domain_Model_'],
            ['\\Domain\\Validator\\', '_Domain_Validator_'],
            $modelName
        ) . 'Validator';
    }

    public static function translateRepositoryNameToModelName($repositoryName)
    {
        return preg_replace(
            ['/\\\\Domain\\\\Repository/', '/_Domain_Repository_/', '/Repository$/'],
            ['\\Domain\\Model', '_Domain_Model_', ''],
            $repositoryName
        );
    }

    public static function explodeObjectControllerName($controllerObjectName)
    {
        $matches = [];

        if (strpos($controllerObjectName, '\\') !== false) {
            if (substr($controllerObjectName, 0, 9) === 'TYPO3\\CMS') {
                $extensionName = '^(?P<vendorName>[^\\\\]+\\\[^\\\\]+)\\\(?P<extensionName>[^\\\\]+)';
            } else {
                $extensionName = '^(?P<vendorName>[^\\\\]+)\\\\(?P<extensionName>[^\\\\]+)';
            }

            preg_match(
                '/' . $extensionName . '\\\\(Controller|Command|(?P<subpackageKey>.+)\\\\Controller)\\\\(?P<controllerName>[a-z\\\\]+)Controller$/ix',
                $controllerObjectName,
                $matches
            );
        } else {
            preg_match(
                '/^Tx_(?P<extensionName>[^_]+)_(Controller|Command|(?P<subpackageKey>.+)_Controller)_(?P<controllerName>[a-z_]+)Controller$/ix',
                $controllerObjectName,
                $matches
            );
        }

        return $matches;
    }
}