ClassNamingUtility.php

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

class ClassNamingUtility {

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

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

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



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

        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;
    }
}