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<?php |
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/** |
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* This file is part of Spiral Framework package. |
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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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declare(strict_types=1); |
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namespace Spiral\Attributes\Internal\Key; |
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/** |
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* A generator that hashes the key. It can be used when the cache driver |
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* cannot accept string keys containing special characters (that is, not |
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* containing letters and numbers). |
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* |
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* @internal HashKeyGenerator is an internal library class, please do not use it in your code. |
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* @psalm-internal Spiral\Attributes |
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*/ |
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final class HashKeyGenerator implements KeyGeneratorInterface |
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{ |
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/** |
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* Hashing using md5 is the fastest 128-bit algorithm. |
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* |
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* However, in the case of small projects, it is recommended to use |
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* crc32, which significantly increases performance, but cannot provide |
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* a similarly variable result. |
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* |
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* @var string |
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*/ |
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private const DEFAULT_HASH_ALGO = 'md5'; |
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/** |
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* @var KeyGeneratorInterface |
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*/ |
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private $generator; |
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/** |
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* @var string |
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*/ |
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private $algo; |
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/** |
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* @param KeyGeneratorInterface|null $base |
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* @param string $algo |
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*/ |
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public function __construct(KeyGeneratorInterface $base, string $algo = self::DEFAULT_HASH_ALGO) |
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{ |
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$this->algo = $algo; |
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$this->generator = $base; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function forClass(\ReflectionClass $class): string |
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{ |
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return \hash($this->algo, $this->generator->forClass($class)); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function forProperty(\ReflectionProperty $prop): string |
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{ |
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return \hash($this->algo, $this->generator->forProperty($prop)); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function forConstant(\ReflectionClassConstant $const): string |
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{ |
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return \hash($this->algo, $this->generator->forConstant($const)); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function forFunction(\ReflectionFunctionAbstract $fn): string |
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{ |
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return \hash($this->algo, $this->generator->forFunction($fn)); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function forParameter(\ReflectionParameter $param): string |
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{ |
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return \hash($this->algo, $this->generator->forParameter($param)); |
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} |
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} |
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spiral /
framework
