From bf6655a534a6775d30cafa67bd801276bda1d98d Mon Sep 17 00:00:00 2001 From: polo Date: Tue, 13 Aug 2024 23:45:21 +0200 Subject: =?UTF-8?q?VERSION=200.2=20doctrine=20ORM=20et=20entit=C3=A9s?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- vendor/symfony/cache/Adapter/ArrayAdapter.php | 359 ++++++++++++++++++++++++++ 1 file changed, 359 insertions(+) create mode 100644 vendor/symfony/cache/Adapter/ArrayAdapter.php (limited to 'vendor/symfony/cache/Adapter/ArrayAdapter.php') diff --git a/vendor/symfony/cache/Adapter/ArrayAdapter.php b/vendor/symfony/cache/Adapter/ArrayAdapter.php new file mode 100644 index 0000000..0f1c49d --- /dev/null +++ b/vendor/symfony/cache/Adapter/ArrayAdapter.php @@ -0,0 +1,359 @@ + + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Cache\Adapter; + +use Psr\Cache\CacheItemInterface; +use Psr\Log\LoggerAwareInterface; +use Psr\Log\LoggerAwareTrait; +use Symfony\Component\Cache\CacheItem; +use Symfony\Component\Cache\Exception\InvalidArgumentException; +use Symfony\Component\Cache\ResettableInterface; +use Symfony\Contracts\Cache\CacheInterface; + +/** + * An in-memory cache storage. + * + * Acts as a least-recently-used (LRU) storage when configured with a maximum number of items. + * + * @author Nicolas Grekas + */ +class ArrayAdapter implements AdapterInterface, CacheInterface, LoggerAwareInterface, ResettableInterface +{ + use LoggerAwareTrait; + + private array $values = []; + private array $tags = []; + private array $expiries = []; + + private static \Closure $createCacheItem; + + /** + * @param bool $storeSerialized Disabling serialization can lead to cache corruptions when storing mutable values but increases performance otherwise + */ + public function __construct( + private int $defaultLifetime = 0, + private bool $storeSerialized = true, + private float $maxLifetime = 0, + private int $maxItems = 0, + ) { + if (0 > $maxLifetime) { + throw new InvalidArgumentException(sprintf('Argument $maxLifetime must be positive, %F passed.', $maxLifetime)); + } + + if (0 > $maxItems) { + throw new InvalidArgumentException(sprintf('Argument $maxItems must be a positive integer, %d passed.', $maxItems)); + } + + self::$createCacheItem ??= \Closure::bind( + static function ($key, $value, $isHit, $tags) { + $item = new CacheItem(); + $item->key = $key; + $item->value = $value; + $item->isHit = $isHit; + if (null !== $tags) { + $item->metadata[CacheItem::METADATA_TAGS] = $tags; + } + + return $item; + }, + null, + CacheItem::class + ); + } + + public function get(string $key, callable $callback, ?float $beta = null, ?array &$metadata = null): mixed + { + $item = $this->getItem($key); + $metadata = $item->getMetadata(); + + // ArrayAdapter works in memory, we don't care about stampede protection + if (\INF === $beta || !$item->isHit()) { + $save = true; + $item->set($callback($item, $save)); + if ($save) { + $this->save($item); + } + } + + return $item->get(); + } + + public function delete(string $key): bool + { + return $this->deleteItem($key); + } + + public function hasItem(mixed $key): bool + { + if (\is_string($key) && isset($this->expiries[$key]) && $this->expiries[$key] > microtime(true)) { + if ($this->maxItems) { + // Move the item last in the storage + $value = $this->values[$key]; + unset($this->values[$key]); + $this->values[$key] = $value; + } + + return true; + } + \assert('' !== CacheItem::validateKey($key)); + + return isset($this->expiries[$key]) && !$this->deleteItem($key); + } + + public function getItem(mixed $key): CacheItem + { + if (!$isHit = $this->hasItem($key)) { + $value = null; + + if (!$this->maxItems) { + // Track misses in non-LRU mode only + $this->values[$key] = null; + } + } else { + $value = $this->storeSerialized ? $this->unfreeze($key, $isHit) : $this->values[$key]; + } + + return (self::$createCacheItem)($key, $value, $isHit, $this->tags[$key] ?? null); + } + + public function getItems(array $keys = []): iterable + { + \assert(self::validateKeys($keys)); + + return $this->generateItems($keys, microtime(true), self::$createCacheItem); + } + + public function deleteItem(mixed $key): bool + { + \assert('' !== CacheItem::validateKey($key)); + unset($this->values[$key], $this->tags[$key], $this->expiries[$key]); + + return true; + } + + public function deleteItems(array $keys): bool + { + foreach ($keys as $key) { + $this->deleteItem($key); + } + + return true; + } + + public function save(CacheItemInterface $item): bool + { + if (!$item instanceof CacheItem) { + return false; + } + $item = (array) $item; + $key = $item["\0*\0key"]; + $value = $item["\0*\0value"]; + $expiry = $item["\0*\0expiry"]; + + $now = microtime(true); + + if (null !== $expiry) { + if (!$expiry) { + $expiry = \PHP_INT_MAX; + } elseif ($expiry <= $now) { + $this->deleteItem($key); + + return true; + } + } + if ($this->storeSerialized && null === $value = $this->freeze($value, $key)) { + return false; + } + if (null === $expiry && 0 < $this->defaultLifetime) { + $expiry = $this->defaultLifetime; + $expiry = $now + ($expiry > ($this->maxLifetime ?: $expiry) ? $this->maxLifetime : $expiry); + } elseif ($this->maxLifetime && (null === $expiry || $expiry > $now + $this->maxLifetime)) { + $expiry = $now + $this->maxLifetime; + } + + if ($this->maxItems) { + unset($this->values[$key], $this->tags[$key]); + + // Iterate items and vacuum expired ones while we are at it + foreach ($this->values as $k => $v) { + if ($this->expiries[$k] > $now && \count($this->values) < $this->maxItems) { + break; + } + + unset($this->values[$k], $this->tags[$k], $this->expiries[$k]); + } + } + + $this->values[$key] = $value; + $this->expiries[$key] = $expiry ?? \PHP_INT_MAX; + + if (null === $this->tags[$key] = $item["\0*\0newMetadata"][CacheItem::METADATA_TAGS] ?? null) { + unset($this->tags[$key]); + } + + return true; + } + + public function saveDeferred(CacheItemInterface $item): bool + { + return $this->save($item); + } + + public function commit(): bool + { + return true; + } + + public function clear(string $prefix = ''): bool + { + if ('' !== $prefix) { + $now = microtime(true); + + foreach ($this->values as $key => $value) { + if (!isset($this->expiries[$key]) || $this->expiries[$key] <= $now || str_starts_with($key, $prefix)) { + unset($this->values[$key], $this->tags[$key], $this->expiries[$key]); + } + } + + if ($this->values) { + return true; + } + } + + $this->values = $this->tags = $this->expiries = []; + + return true; + } + + /** + * Returns all cached values, with cache miss as null. + */ + public function getValues(): array + { + if (!$this->storeSerialized) { + return $this->values; + } + + $values = $this->values; + foreach ($values as $k => $v) { + if (null === $v || 'N;' === $v) { + continue; + } + if (!\is_string($v) || !isset($v[2]) || ':' !== $v[1]) { + $values[$k] = serialize($v); + } + } + + return $values; + } + + public function reset(): void + { + $this->clear(); + } + + private function generateItems(array $keys, float $now, \Closure $f): \Generator + { + foreach ($keys as $i => $key) { + if (!$isHit = isset($this->expiries[$key]) && ($this->expiries[$key] > $now || !$this->deleteItem($key))) { + $value = null; + + if (!$this->maxItems) { + // Track misses in non-LRU mode only + $this->values[$key] = null; + } + } else { + if ($this->maxItems) { + // Move the item last in the storage + $value = $this->values[$key]; + unset($this->values[$key]); + $this->values[$key] = $value; + } + + $value = $this->storeSerialized ? $this->unfreeze($key, $isHit) : $this->values[$key]; + } + unset($keys[$i]); + + yield $key => $f($key, $value, $isHit, $this->tags[$key] ?? null); + } + + foreach ($keys as $key) { + yield $key => $f($key, null, false); + } + } + + private function freeze($value, string $key): string|int|float|bool|array|\UnitEnum|null + { + if (null === $value) { + return 'N;'; + } + if (\is_string($value)) { + // Serialize strings if they could be confused with serialized objects or arrays + if ('N;' === $value || (isset($value[2]) && ':' === $value[1])) { + return serialize($value); + } + } elseif (!\is_scalar($value)) { + try { + $serialized = serialize($value); + } catch (\Exception $e) { + unset($this->values[$key], $this->tags[$key]); + $type = get_debug_type($value); + $message = sprintf('Failed to save key "{key}" of type %s: %s', $type, $e->getMessage()); + CacheItem::log($this->logger, $message, ['key' => $key, 'exception' => $e, 'cache-adapter' => get_debug_type($this)]); + + return null; + } + // Keep value serialized if it contains any objects or any internal references + if ('C' === $serialized[0] || 'O' === $serialized[0] || preg_match('/;[OCRr]:[1-9]/', $serialized)) { + return $serialized; + } + } + + return $value; + } + + private function unfreeze(string $key, bool &$isHit): mixed + { + if ('N;' === $value = $this->values[$key]) { + return null; + } + if (\is_string($value) && isset($value[2]) && ':' === $value[1]) { + try { + $value = unserialize($value); + } catch (\Exception $e) { + CacheItem::log($this->logger, 'Failed to unserialize key "{key}": '.$e->getMessage(), ['key' => $key, 'exception' => $e, 'cache-adapter' => get_debug_type($this)]); + $value = false; + } + if (false === $value) { + $value = null; + $isHit = false; + + if (!$this->maxItems) { + $this->values[$key] = null; + } + } + } + + return $value; + } + + private function validateKeys(array $keys): bool + { + foreach ($keys as $key) { + if (!\is_string($key) || !isset($this->expiries[$key])) { + CacheItem::validateKey($key); + } + } + + return true; + } +} -- cgit v1.2.3