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<?php |
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|
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/** |
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* This file is part of the ramsey/uuid library |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @copyright Copyright (c) Ben Ramsey <[email protected]> |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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|
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declare(strict_types=1); |
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|
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namespace Ramsey\Uuid\Generator; |
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|
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use Ramsey\Uuid\Exception\NameException; |
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use Ramsey\Uuid\UuidInterface; |
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use ValueError; |
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|
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use function hash; |
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|
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/** |
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* DefaultNameGenerator generates strings of binary data based on a namespace, |
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* name, and hashing algorithm |
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*/ |
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class DefaultNameGenerator implements NameGeneratorInterface |
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{ |
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/** @psalm-pure */ |
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public function generate(UuidInterface $ns, string $name, string $hashAlgorithm): string |
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{ |
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try { |
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/** @var string|bool $bytes */ |
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$bytes = @hash($hashAlgorithm, $ns->getBytes() . $name, true); |
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} catch (ValueError $e) { |
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$bytes = false; // keep same behavior than PHP 7 |
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} |
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|
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if ($bytes === false) { |
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throw new NameException(sprintf( |
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'Unable to hash namespace and name with algorithm \'%s\'', |
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$hashAlgorithm |
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)); |
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} |
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|
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return (string) $bytes; |
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} |
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} |
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|
