TypeName.php

<?php

declare (strict_types=1);

/*
 * This file is part of sebastian/type.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace SebastianBergmann\Type;

use function array_pop;
use function explode;
use function implode;
use function substr;
use ReflectionClass;
final class TypeName {
    private ?string $namespaceName;
    private string $simpleName;
    public static function fromQualifiedName(string $fullClassName) : self {
        if ($fullClassName[0] === '\\') {
            $fullClassName = substr($fullClassName, 1);
        }
        $classNameParts = explode('\\', $fullClassName);
        $simpleName = array_pop($classNameParts);
        $namespaceName = implode('\\', $classNameParts);
        return new self($namespaceName, $simpleName);
    }
    public static function fromReflection(ReflectionClass $type) : self {
        return new self($type->getNamespaceName(), $type->getShortName());
    }
    public function __construct(?string $namespaceName, string $simpleName) {
        if ($namespaceName === '') {
            $namespaceName = null;
        }
        $this->namespaceName = $namespaceName;
        $this->simpleName = $simpleName;
    }
    public function namespaceName() : ?string {
        return $this->namespaceName;
    }
    public function simpleName() : string {
        return $this->simpleName;
    }
    public function qualifiedName() : string {
        return $this->namespaceName === null ? $this->simpleName : $this->namespaceName . '\\' . $this->simpleName;
    }
    public function isNamespaced() : bool {
        return $this->namespaceName !== null;
    }

}