From 04d6d5ca99ebfd1cebb8ce06618fb3811fc1a8aa Mon Sep 17 00:00:00 2001 From: Charles Date: Thu, 9 Jan 2020 10:55:03 +0100 Subject: phpmyadmin working --- .../vendor/symfony/cache/Adapter/ChainAdapter.php | 332 +++++++++++++++++++++ 1 file changed, 332 insertions(+) create mode 100644 srcs/phpmyadmin/vendor/symfony/cache/Adapter/ChainAdapter.php (limited to 'srcs/phpmyadmin/vendor/symfony/cache/Adapter/ChainAdapter.php') diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Adapter/ChainAdapter.php b/srcs/phpmyadmin/vendor/symfony/cache/Adapter/ChainAdapter.php new file mode 100644 index 0000000..63e97a8 --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/cache/Adapter/ChainAdapter.php @@ -0,0 +1,332 @@ + + * + * 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\Cache\CacheItemPoolInterface; +use Symfony\Component\Cache\CacheItem; +use Symfony\Component\Cache\Exception\InvalidArgumentException; +use Symfony\Component\Cache\PruneableInterface; +use Symfony\Component\Cache\ResettableInterface; +use Symfony\Component\Cache\Traits\ContractsTrait; +use Symfony\Contracts\Cache\CacheInterface; +use Symfony\Contracts\Service\ResetInterface; + +/** + * Chains several adapters together. + * + * Cached items are fetched from the first adapter having them in its data store. + * They are saved and deleted in all adapters at once. + * + * @author Kévin Dunglas + */ +class ChainAdapter implements AdapterInterface, CacheInterface, PruneableInterface, ResettableInterface +{ + use ContractsTrait; + + private $adapters = []; + private $adapterCount; + private $syncItem; + + /** + * @param CacheItemPoolInterface[] $adapters The ordered list of adapters used to fetch cached items + * @param int $defaultLifetime The default lifetime of items propagated from lower adapters to upper ones + */ + public function __construct(array $adapters, int $defaultLifetime = 0) + { + if (!$adapters) { + throw new InvalidArgumentException('At least one adapter must be specified.'); + } + + foreach ($adapters as $adapter) { + if (!$adapter instanceof CacheItemPoolInterface) { + throw new InvalidArgumentException(sprintf('The class "%s" does not implement the "%s" interface.', \get_class($adapter), CacheItemPoolInterface::class)); + } + + if ($adapter instanceof AdapterInterface) { + $this->adapters[] = $adapter; + } else { + $this->adapters[] = new ProxyAdapter($adapter); + } + } + $this->adapterCount = \count($this->adapters); + + $this->syncItem = \Closure::bind( + static function ($sourceItem, $item, $sourceMetadata = null) use ($defaultLifetime) { + $sourceItem->isTaggable = false; + $sourceMetadata = $sourceMetadata ?? $sourceItem->metadata; + unset($sourceMetadata[CacheItem::METADATA_TAGS]); + + $item->value = $sourceItem->value; + $item->expiry = $sourceMetadata[CacheItem::METADATA_EXPIRY] ?? $sourceItem->expiry; + $item->isHit = $sourceItem->isHit; + $item->metadata = $item->newMetadata = $sourceItem->metadata = $sourceMetadata; + + if (0 < $sourceItem->defaultLifetime && $sourceItem->defaultLifetime < $defaultLifetime) { + $defaultLifetime = $sourceItem->defaultLifetime; + } + if (0 < $defaultLifetime && ($item->defaultLifetime <= 0 || $defaultLifetime < $item->defaultLifetime)) { + $item->defaultLifetime = $defaultLifetime; + } + + return $item; + }, + null, + CacheItem::class + ); + } + + /** + * {@inheritdoc} + */ + public function get(string $key, callable $callback, float $beta = null, array &$metadata = null) + { + $lastItem = null; + $i = 0; + $wrap = function (CacheItem $item = null) use ($key, $callback, $beta, &$wrap, &$i, &$lastItem, &$metadata) { + $adapter = $this->adapters[$i]; + if (isset($this->adapters[++$i])) { + $callback = $wrap; + $beta = INF === $beta ? INF : 0; + } + if ($adapter instanceof CacheInterface) { + $value = $adapter->get($key, $callback, $beta, $metadata); + } else { + $value = $this->doGet($adapter, $key, $callback, $beta, $metadata); + } + if (null !== $item) { + ($this->syncItem)($lastItem = $lastItem ?? $item, $item, $metadata); + } + + return $value; + }; + + return $wrap(); + } + + /** + * {@inheritdoc} + */ + public function getItem($key) + { + $syncItem = $this->syncItem; + $misses = []; + + foreach ($this->adapters as $i => $adapter) { + $item = $adapter->getItem($key); + + if ($item->isHit()) { + while (0 <= --$i) { + $this->adapters[$i]->save($syncItem($item, $misses[$i])); + } + + return $item; + } + + $misses[$i] = $item; + } + + return $item; + } + + /** + * {@inheritdoc} + */ + public function getItems(array $keys = []) + { + return $this->generateItems($this->adapters[0]->getItems($keys), 0); + } + + private function generateItems(iterable $items, int $adapterIndex) + { + $missing = []; + $misses = []; + $nextAdapterIndex = $adapterIndex + 1; + $nextAdapter = isset($this->adapters[$nextAdapterIndex]) ? $this->adapters[$nextAdapterIndex] : null; + + foreach ($items as $k => $item) { + if (!$nextAdapter || $item->isHit()) { + yield $k => $item; + } else { + $missing[] = $k; + $misses[$k] = $item; + } + } + + if ($missing) { + $syncItem = $this->syncItem; + $adapter = $this->adapters[$adapterIndex]; + $items = $this->generateItems($nextAdapter->getItems($missing), $nextAdapterIndex); + + foreach ($items as $k => $item) { + if ($item->isHit()) { + $adapter->save($syncItem($item, $misses[$k])); + } + + yield $k => $item; + } + } + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function hasItem($key) + { + foreach ($this->adapters as $adapter) { + if ($adapter->hasItem($key)) { + return true; + } + } + + return false; + } + + /** + * {@inheritdoc} + * + * @param string $prefix + * + * @return bool + */ + public function clear(/*string $prefix = ''*/) + { + $prefix = 0 < \func_num_args() ? (string) func_get_arg(0) : ''; + $cleared = true; + $i = $this->adapterCount; + + while ($i--) { + if ($this->adapters[$i] instanceof AdapterInterface) { + $cleared = $this->adapters[$i]->clear($prefix) && $cleared; + } else { + $cleared = $this->adapters[$i]->clear() && $cleared; + } + } + + return $cleared; + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function deleteItem($key) + { + $deleted = true; + $i = $this->adapterCount; + + while ($i--) { + $deleted = $this->adapters[$i]->deleteItem($key) && $deleted; + } + + return $deleted; + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function deleteItems(array $keys) + { + $deleted = true; + $i = $this->adapterCount; + + while ($i--) { + $deleted = $this->adapters[$i]->deleteItems($keys) && $deleted; + } + + return $deleted; + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function save(CacheItemInterface $item) + { + $saved = true; + $i = $this->adapterCount; + + while ($i--) { + $saved = $this->adapters[$i]->save($item) && $saved; + } + + return $saved; + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function saveDeferred(CacheItemInterface $item) + { + $saved = true; + $i = $this->adapterCount; + + while ($i--) { + $saved = $this->adapters[$i]->saveDeferred($item) && $saved; + } + + return $saved; + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function commit() + { + $committed = true; + $i = $this->adapterCount; + + while ($i--) { + $committed = $this->adapters[$i]->commit() && $committed; + } + + return $committed; + } + + /** + * {@inheritdoc} + */ + public function prune() + { + $pruned = true; + + foreach ($this->adapters as $adapter) { + if ($adapter instanceof PruneableInterface) { + $pruned = $adapter->prune() && $pruned; + } + } + + return $pruned; + } + + /** + * {@inheritdoc} + */ + public function reset() + { + foreach ($this->adapters as $adapter) { + if ($adapter instanceof ResetInterface) { + $adapter->reset(); + } + } + } +} -- cgit