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<?php |
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declare(strict_types=1); |
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namespace UnicornFail\Emoji\Util; |
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class Property |
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{ |
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public const REGEX = '/^(?:(?P<emptyNullable>[!?]{2})|(?P<nullable>[!?]))??(?P<customType>[^[<]+)?(?P<type>array|bool|boolean|double|float|int|integer|null|object|string)??(?P<iterable>\[\])?(?:<(?P<callback>[^[]+)>)??$/Ui'; |
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public const TYPES = ['array', 'bool', 'boolean', 'double', 'float', 'int', 'integer', 'null', 'object', 'string']; |
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/** @var ?string */ |
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public $callback; |
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/** @var ?string */ |
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public $customType; |
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/** @var bool */ |
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public $emptyNullable; |
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/** @var bool */ |
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public $nullable; |
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/** @var bool */ |
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public $iterable; |
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/** @var bool */ |
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public $isPhpType; |
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/** @var string */ |
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public $type; |
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public function __construct(string $type) |
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{ |
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\preg_match(self::REGEX, $type, $matches, PREG_UNMATCHED_AS_NULL); |
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$this->callback = $matches['callback'] ?? null; |
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$this->customType = $matches['customType'] ?? null; |
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$this->emptyNullable = ! ! ($matches['emptyNullable'] ?? false); |
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$this->iterable = ! ! ($matches['iterable'] ?? false); |
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$this->nullable = ! ! ($this->emptyNullable || ($matches['nullable'] ?? false)); |
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$this->type = $matches['type'] ?? 'mixed'; |
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$this->isPhpType = \in_array($this->type, self::TYPES, true); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return bool|float|int|mixed[]|object|string|null |
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*/ |
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public static function cast(string $type, $value) |
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{ |
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return (new self($type))->castValue($value); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return mixed[] |
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*/ |
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protected function castIterable($value): array |
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{ |
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$value = (array) $value; |
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$type = $this->nullable ? \sprintf('?%s', $this->type) : $this->type; |
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/** @var string[] $types */ |
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$types = \array_fill_keys(\array_keys($value), $type); |
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return Normalize::properties($value, $types); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return mixed[]|bool|float|int|object|string|null |
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*/ |
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public function castValue($value) |
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{ |
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// Immediately return if nullable or empty. |
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if (($this->nullable && $value === null) || ($this->emptyNullable && ! $value)) { |
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return null; |
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} |
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$value = $this->castValueCallback($value); |
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if ($this->iterable) { |
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return $this->castIterable($value); |
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} |
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return $this->castValueType($value); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return mixed |
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*/ |
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protected function castValueCallback($value) |
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{ |
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if (($callback = $this->callback) && \is_callable($callback)) { |
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$value = $callback($value); |
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} |
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return $value; |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return mixed |
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*/ |
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protected function castValueType($value) |
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{ |
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if (($type = $this->customType) && \class_exists($type)) { |
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$value = new $type($value); |
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} else { |
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Normalize::setType($value, $this->type); |
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} |
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return $this->emptyNullable && ! $value ? null : $value; |
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} |
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} |
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unicorn-fail /
emoji
