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<?php
declare(strict_types=1);
/**
* 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;
use InvalidArgumentException;
use function assert;
use function end;
use function explode;
use function is_string;
use function preg_match;
use function sprintf;
use function trim;
/**
* Value Object for Fqsen.
*
* @link https://github.com/phpDocumentor/fig-standards/blob/master/proposed/phpdoc-meta.md
*
* @psalm-immutable
*/
final class Fqsen
{
/** @var string full quallified class name */
private $fqsen;
/** @var string name of the element without path. */
private $name;
/**
* Initializes the object.
*
* @throws InvalidArgumentException when $fqsen is not matching the format.
*/
public function __construct(string $fqsen)
{
$matches = [];
$result = preg_match(
//phpcs:ignore Generic.Files.LineLength.TooLong
'/^\\\\([a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff\\\\]*)?(?:[:]{2}\\$?([a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*))?(?:\\(\\))?$/',
$fqsen,
$matches
);
if ($result === 0) {
throw new InvalidArgumentException(
sprintf('"%s" is not a valid Fqsen.', $fqsen)
);
}
$this->fqsen = $fqsen;
if (isset($matches[2])) {
$this->name = $matches[2];
} else {
$matches = explode('\\', $fqsen);
$name = end($matches);
assert(is_string($name));
$this->name = trim($name, '()');
}
}
/**
* converts this class to string.
*/
public function __toString() : string
{
return $this->fqsen;
}
/**
* Returns the name of the element without path.
*/
public function getName() : string
{
return $this->name;
}
}
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