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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\Property\TypeConverter;
use TYPO3\CMS\Extbase\Property\Exception\InvalidTargetException;
use TYPO3\CMS\Extbase\Property\PropertyMappingConfigurationInterface;
use UnitEnum;
/**
* Converter which transforms strings/integers/floats to Enum Instance.
*/
class EnumConverter extends AbstractTypeConverter
{
/**
* Only convert if target is enum
*
* @template T of UnitEnum
* @param class-string<T> $targetType
* @internal only to be used within Extbase, not part of TYPO3 Core API.
*/
public function canConvertFrom(mixed $source, string $targetType): bool
{
return enum_exists($targetType) && (is_int($source) || is_float($source) || is_string($source)) && $this->getEnumElement($source, $targetType);
}
/**
* Convert an enum from $source to an enum.
*
* @template T of UnitEnum
* @param class-string<T> $targetType
* @param PropertyMappingConfigurationInterface|null $configuration
* @return T|null
* @throws InvalidTargetException
* @internal only to be used within Extbase, not part of TYPO3 Core API.
*/
public function convertFrom(mixed $source, string $targetType, array $convertedChildProperties = [], PropertyMappingConfigurationInterface $configuration = null): ?\UnitEnum
{
return $this->getEnumElement($source, $targetType);
}
/**
* @template T of UnitEnum
* @param class-string<T> $targetType
* @return T|null
* @throws InvalidTargetException
*/
protected function getEnumElement(float|int|string $source, string $targetType): ?\UnitEnum
{
if (!enum_exists($targetType)) {
throw new InvalidTargetException('TargetType "' . $targetType . '" is not an enum.', 1660834545);
}
foreach ($targetType::cases() as $enum) {
if (property_exists($enum, 'value') && $enum->value == $source) {
return $enum;
}
}
foreach ($targetType::cases() as $enum) {
if ($enum->name == $source) {
return $enum;
}
}
return null;
}
}