1 files changed, 291 insertions, 0 deletions

diff --git a/vendor/symfony/cache/Adapter/ChainAdapter.php b/vendor/symfony/cache/Adapter/ChainAdapter.php
new file mode 100644
index 0000000..1418cff
--- /dev/null
+++ b/vendor/symfony/cache/Adapter/ChainAdapter.php
@@ -0,0 +1,291 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * 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 <dunglas@gmail.com>
+ */
+class ChainAdapter implements AdapterInterface, CacheInterface, PruneableInterface, ResettableInterface
+{
+    use ContractsTrait;
+
+    private array $adapters = [];
+    private int $adapterCount;
+
+    private static \Closure $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,
+        private 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_debug_type($adapter), CacheItemPoolInterface::class));
+            }
+            if ('cli' === \PHP_SAPI && $adapter instanceof ApcuAdapter && !filter_var(\ini_get('apc.enable_cli'), \FILTER_VALIDATE_BOOL)) {
+                continue; // skip putting APCu in the chain when the backend is disabled
+            }
+
+            if ($adapter instanceof AdapterInterface) {
+                $this->adapters[] = $adapter;
+            } else {
+                $this->adapters[] = new ProxyAdapter($adapter);
+            }
+        }
+        $this->adapterCount = \count($this->adapters);
+
+        self::$syncItem ??= \Closure::bind(
+            static function ($sourceItem, $item, $defaultLifetime, $sourceMetadata = null) {
+                $sourceItem->isTaggable = false;
+                $sourceMetadata ??= $sourceItem->metadata;
+
+                $item->value = $sourceItem->value;
+                $item->isHit = $sourceItem->isHit;
+                $item->metadata = $item->newMetadata = $sourceItem->metadata = $sourceMetadata;
+
+                if (isset($item->metadata[CacheItem::METADATA_EXPIRY])) {
+                    $item->expiresAt(\DateTimeImmutable::createFromFormat('U.u', sprintf('%.6F', $item->metadata[CacheItem::METADATA_EXPIRY])));
+                } elseif (0 < $defaultLifetime) {
+                    $item->expiresAfter($defaultLifetime);
+                }
+
+                return $item;
+            },
+            null,
+            CacheItem::class
+        );
+    }
+
+    public function get(string $key, callable $callback, ?float $beta = null, ?array &$metadata = null): mixed
+    {
+        $doSave = true;
+        $callback = static function (CacheItem $item, bool &$save) use ($callback, &$doSave) {
+            $value = $callback($item, $save);
+            $doSave = $save;
+
+            return $value;
+        };
+
+        $wrap = function (?CacheItem $item = null, bool &$save = true) use ($key, $callback, $beta, &$wrap, &$doSave, &$metadata) {
+            static $lastItem;
+            static $i = 0;
+            $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 !== $item) {
+                (self::$syncItem)($lastItem ??= $item, $item, $this->defaultLifetime, $metadata);
+            }
+            $save = $doSave;
+
+            return $value;
+        };
+
+        return $wrap();
+    }
+
+    public function getItem(mixed $key): CacheItem
+    {
+        $syncItem = self::$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], $this->defaultLifetime));
+                }
+
+                return $item;
+            }
+
+            $misses[$i] = $item;
+        }
+
+        return $item;
+    }
+
+    public function getItems(array $keys = []): iterable
+    {
+        return $this->generateItems($this->adapters[0]->getItems($keys), 0);
+    }
+
+    private function generateItems(iterable $items, int $adapterIndex): \Generator
+    {
+        $missing = [];
+        $misses = [];
+        $nextAdapterIndex = $adapterIndex + 1;
+        $nextAdapter = $this->adapters[$nextAdapterIndex] ?? null;
+
+        foreach ($items as $k => $item) {
+            if (!$nextAdapter || $item->isHit()) {
+                yield $k => $item;
+            } else {
+                $missing[] = $k;
+                $misses[$k] = $item;
+            }
+        }
+
+        if ($missing) {
+            $syncItem = self::$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], $this->defaultLifetime));
+                }
+
+                yield $k => $item;
+            }
+        }
+    }
+
+    public function hasItem(mixed $key): bool
+    {
+        foreach ($this->adapters as $adapter) {
+            if ($adapter->hasItem($key)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public function clear(string $prefix = ''): bool
+    {
+        $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;
+    }
+
+    public function deleteItem(mixed $key): bool
+    {
+        $deleted = true;
+        $i = $this->adapterCount;
+
+        while ($i--) {
+            $deleted = $this->adapters[$i]->deleteItem($key) && $deleted;
+        }
+
+        return $deleted;
+    }
+
+    public function deleteItems(array $keys): bool
+    {
+        $deleted = true;
+        $i = $this->adapterCount;
+
+        while ($i--) {
+            $deleted = $this->adapters[$i]->deleteItems($keys) && $deleted;
+        }
+
+        return $deleted;
+    }
+
+    public function save(CacheItemInterface $item): bool
+    {
+        $saved = true;
+        $i = $this->adapterCount;
+
+        while ($i--) {
+            $saved = $this->adapters[$i]->save($item) && $saved;
+        }
+
+        return $saved;
+    }
+
+    public function saveDeferred(CacheItemInterface $item): bool
+    {
+        $saved = true;
+        $i = $this->adapterCount;
+
+        while ($i--) {
+            $saved = $this->adapters[$i]->saveDeferred($item) && $saved;
+        }
+
+        return $saved;
+    }
+
+    public function commit(): bool
+    {
+        $committed = true;
+        $i = $this->adapterCount;
+
+        while ($i--) {
+            $committed = $this->adapters[$i]->commit() && $committed;
+        }
+
+        return $committed;
+    }
+
+    public function prune(): bool
+    {
+        $pruned = true;
+
+        foreach ($this->adapters as $adapter) {
+            if ($adapter instanceof PruneableInterface) {
+                $pruned = $adapter->prune() && $pruned;
+            }
+        }
+
+        return $pruned;
+    }
+
+    public function reset(): void
+    {
+        foreach ($this->adapters as $adapter) {
+            if ($adapter instanceof ResetInterface) {
+                $adapter->reset();
+            }
+        }
+    }
+}