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<?php
declare(strict_types=1);
/**
* This file is part of phpDocumentor.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @link http://phpdoc.org
*/
namespace phpDocumentor\Reflection\Types;
use InvalidArgumentException;
use phpDocumentor\Reflection\Fqsen;
use phpDocumentor\Reflection\Type;
use function strpos;
/**
* Value Object representing an object.
*
* An object can be either typed or untyped. When an object is typed it means that it has an identifier, the FQSEN,
* pointing to an element in PHP. Object types that are untyped do not refer to a specific class but represent objects
* in general.
*
* @psalm-immutable
*/
final class Object_ implements Type
{
/** @var Fqsen|null */
private $fqsen;
/**
* Initializes this object with an optional FQSEN, if not provided this object is considered 'untyped'.
*
* @throws InvalidArgumentException When provided $fqsen is not a valid type.
*/
public function __construct(?Fqsen $fqsen = null)
{
if (strpos((string) $fqsen, '::') !== false || strpos((string) $fqsen, '()') !== false) {
throw new InvalidArgumentException(
'Object types can only refer to a class, interface or trait but a method, function, constant or '
. 'property was received: ' . (string) $fqsen
);
}
$this->fqsen = $fqsen;
}
/**
* Returns the FQSEN associated with this object.
*/
public function getFqsen(): ?Fqsen
{
return $this->fqsen;
}
public function __toString(): string
{
if ($this->fqsen) {
return (string) $this->fqsen;
}
return 'object';
}
}
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