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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\Extbase\Utility;
use TYPO3\CMS\Core\Type\TypeInterface;
use TYPO3\CMS\Extbase\Persistence\ObjectStorage;
use TYPO3\CMS\Extbase\Utility\Exception\InvalidTypeException;
/**
* PHP type handling functions
* @internal only to be used within Extbase, not part of TYPO3 Core API.
*/
class TypeHandlingUtility
{
/**
* A property type parse pattern.
*/
public const PARSE_TYPE_PATTERN = '/^\\\\?(?P<type>integer|int|float|double|boolean|bool|string|DateTimeImmutable|DateTime|[A-Z][a-zA-Z0-9\\\\]+|object|resource|array|ArrayObject|SplObjectStorage|TYPO3\\\\CMS\\\\Extbase\\\\Persistence\\\\ObjectStorage)(?:<\\\\?(?P<elementType>[a-zA-Z0-9\\\\]+)>)?/';
/**
* A type pattern to detect literal types.
*/
public const LITERAL_TYPE_PATTERN = '/^(?:integer|int|float|double|boolean|bool|string)$/';
/**
* @var array
*/
protected static $collectionTypes = ['array', \ArrayObject::class, \SplObjectStorage::class, ObjectStorage::class];
/**
* Returns an array with type information, including element type for
* collection types (array, SplObjectStorage, ...)
*
* @param string $type Type of the property (see PARSE_TYPE_PATTERN)
* @return array An array with information about the type
* @throws \TYPO3\CMS\Extbase\Utility\Exception\InvalidTypeException
*/
public static function parseType(string $type): array
{
$matches = [];
if (preg_match(self::PARSE_TYPE_PATTERN, $type, $matches)) {
$type = self::normalizeType($matches['type']);
$elementType = isset($matches['elementType']) ? self::normalizeType($matches['elementType']) : null;
if ($elementType !== null && !self::isCollectionType($type)) {
throw new InvalidTypeException('Found an invalid element type declaration in %s. Type "' . $type . '" must not have an element type hint (' . $elementType . ').', 1264093642);
}
return [
'type' => $type,
'elementType' => $elementType,
];
}
throw new InvalidTypeException('Found an invalid element type declaration in %s. A type "' . var_export($type, true) . '" does not exist.', 1264093630);
}
/**
* Normalize data types so they match the PHP type names:
* int -> integer
* double -> float
* bool -> boolean
*
* @param string $type Data type to unify
* @return string unified data type
*/
public static function normalizeType(string $type): string
{
switch ($type) {
case 'int':
$type = 'integer';
break;
case 'bool':
$type = 'boolean';
break;
case 'double':
$type = 'float';
break;
}
return $type;
}
/**
* Returns TRUE if the $type is a literal.
*/
public static function isLiteral(string $type): bool
{
return preg_match(self::LITERAL_TYPE_PATTERN, $type) === 1;
}
/**
* Returns TRUE if the $type is a simple type.
*/
public static function isSimpleType(string $type): bool
{
return in_array(self::normalizeType($type), ['array', 'string', 'float', 'integer', 'boolean'], true);
}
/**
* Returns TRUE if the $type is a CMS core type object.
*
* @param string|object $type
*/
public static function isCoreType($type): bool
{
return is_subclass_of($type, TypeInterface::class);
}
/**
* Returns TRUE if the $type is a collection type.
*/
public static function isCollectionType(string $type): bool
{
if (in_array($type, self::$collectionTypes, true)) {
return true;
}
if (class_exists($type) === true || interface_exists($type) === true) {
foreach (self::$collectionTypes as $collectionType) {
if (is_subclass_of($type, $collectionType) === true) {
return true;
}
}
}
return false;
}
/**
* Returns TRUE when the given value can be used in an "in" comparison in a query.
*
* @param mixed $value
*/
public static function isValidTypeForMultiValueComparison($value): bool
{
return is_iterable($value);
}
}