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authorCharles <sircharlesaze@gmail.com>2020-01-09 10:55:03 +0100
committerCharles <sircharlesaze@gmail.com>2020-01-09 13:09:38 +0100
commit04d6d5ca99ebfd1cebb8ce06618fb3811fc1a8aa (patch)
tree5c691241355c943a3c68ddb06b8cf8c60aa11319 /srcs/phpmyadmin/vendor/symfony/cache/Adapter/ProxyAdapter.php
parent7e0d85db834d6351ed85d01e5126ac31dc510b86 (diff)
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phpmyadmin working
Diffstat (limited to 'srcs/phpmyadmin/vendor/symfony/cache/Adapter/ProxyAdapter.php')
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diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Adapter/ProxyAdapter.php b/srcs/phpmyadmin/vendor/symfony/cache/Adapter/ProxyAdapter.php
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+<?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\PruneableInterface;
+use Symfony\Component\Cache\ResettableInterface;
+use Symfony\Component\Cache\Traits\ContractsTrait;
+use Symfony\Component\Cache\Traits\ProxyTrait;
+use Symfony\Contracts\Cache\CacheInterface;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ProxyAdapter implements AdapterInterface, CacheInterface, PruneableInterface, ResettableInterface
+{
+ use ProxyTrait;
+ use ContractsTrait;
+
+ private $namespace;
+ private $namespaceLen;
+ private $createCacheItem;
+ private $setInnerItem;
+ private $poolHash;
+
+ public function __construct(CacheItemPoolInterface $pool, string $namespace = '', int $defaultLifetime = 0)
+ {
+ $this->pool = $pool;
+ $this->poolHash = $poolHash = spl_object_hash($pool);
+ $this->namespace = '' === $namespace ? '' : CacheItem::validateKey($namespace);
+ $this->namespaceLen = \strlen($namespace);
+ $this->createCacheItem = \Closure::bind(
+ static function ($key, $innerItem) use ($defaultLifetime, $poolHash) {
+ $item = new CacheItem();
+ $item->key = $key;
+
+ if (null === $innerItem) {
+ return $item;
+ }
+
+ $item->value = $v = $innerItem->get();
+ $item->isHit = $innerItem->isHit();
+ $item->innerItem = $innerItem;
+ $item->defaultLifetime = $defaultLifetime;
+ $item->poolHash = $poolHash;
+
+ // Detect wrapped values that encode for their expiry and creation duration
+ // For compactness, these values are packed in the key of an array using
+ // magic numbers in the form 9D-..-..-..-..-00-..-..-..-5F
+ if (\is_array($v) && 1 === \count($v) && 10 === \strlen($k = key($v)) && "\x9D" === $k[0] && "\0" === $k[5] && "\x5F" === $k[9]) {
+ $item->value = $v[$k];
+ $v = unpack('Ve/Nc', substr($k, 1, -1));
+ $item->metadata[CacheItem::METADATA_EXPIRY] = $v['e'] + CacheItem::METADATA_EXPIRY_OFFSET;
+ $item->metadata[CacheItem::METADATA_CTIME] = $v['c'];
+ } elseif ($innerItem instanceof CacheItem) {
+ $item->metadata = $innerItem->metadata;
+ }
+ $innerItem->set(null);
+
+ return $item;
+ },
+ null,
+ CacheItem::class
+ );
+ $this->setInnerItem = \Closure::bind(
+ /**
+ * @param array $item A CacheItem cast to (array); accessing protected properties requires adding the "\0*\0" PHP prefix
+ */
+ static function (CacheItemInterface $innerItem, array $item) {
+ // Tags are stored separately, no need to account for them when considering this item's newly set metadata
+ if (isset(($metadata = $item["\0*\0newMetadata"])[CacheItem::METADATA_TAGS])) {
+ unset($metadata[CacheItem::METADATA_TAGS]);
+ }
+ if ($metadata) {
+ // For compactness, expiry and creation duration are packed in the key of an array, using magic numbers as separators
+ $item["\0*\0value"] = ["\x9D".pack('VN', (int) (0.1 + $metadata[self::METADATA_EXPIRY] - self::METADATA_EXPIRY_OFFSET), $metadata[self::METADATA_CTIME])."\x5F" => $item["\0*\0value"]];
+ }
+ $innerItem->set($item["\0*\0value"]);
+ $innerItem->expiresAt(null !== $item["\0*\0expiry"] ? \DateTime::createFromFormat('U.u', sprintf('%.6f', $item["\0*\0expiry"])) : null);
+ },
+ null,
+ CacheItem::class
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function get(string $key, callable $callback, float $beta = null, array &$metadata = null)
+ {
+ if (!$this->pool instanceof CacheInterface) {
+ return $this->doGet($this, $key, $callback, $beta, $metadata);
+ }
+
+ return $this->pool->get($this->getId($key), function ($innerItem, bool &$save) use ($key, $callback) {
+ $item = ($this->createCacheItem)($key, $innerItem);
+ $item->set($value = $callback($item, $save));
+ ($this->setInnerItem)($innerItem, (array) $item);
+
+ return $value;
+ }, $beta, $metadata);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getItem($key)
+ {
+ $f = $this->createCacheItem;
+ $item = $this->pool->getItem($this->getId($key));
+
+ return $f($key, $item);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getItems(array $keys = [])
+ {
+ if ($this->namespaceLen) {
+ foreach ($keys as $i => $key) {
+ $keys[$i] = $this->getId($key);
+ }
+ }
+
+ return $this->generateItems($this->pool->getItems($keys));
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @return bool
+ */
+ public function hasItem($key)
+ {
+ return $this->pool->hasItem($this->getId($key));
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @param string $prefix
+ *
+ * @return bool
+ */
+ public function clear(/*string $prefix = ''*/)
+ {
+ $prefix = 0 < \func_num_args() ? (string) func_get_arg(0) : '';
+
+ if ($this->pool instanceof AdapterInterface) {
+ return $this->pool->clear($this->namespace.$prefix);
+ }
+
+ return $this->pool->clear();
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @return bool
+ */
+ public function deleteItem($key)
+ {
+ return $this->pool->deleteItem($this->getId($key));
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @return bool
+ */
+ public function deleteItems(array $keys)
+ {
+ if ($this->namespaceLen) {
+ foreach ($keys as $i => $key) {
+ $keys[$i] = $this->getId($key);
+ }
+ }
+
+ return $this->pool->deleteItems($keys);
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @return bool
+ */
+ public function save(CacheItemInterface $item)
+ {
+ return $this->doSave($item, __FUNCTION__);
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @return bool
+ */
+ public function saveDeferred(CacheItemInterface $item)
+ {
+ return $this->doSave($item, __FUNCTION__);
+ }
+
+ /**
+ * {@inheritdoc}
+ *
+ * @return bool
+ */
+ public function commit()
+ {
+ return $this->pool->commit();
+ }
+
+ private function doSave(CacheItemInterface $item, string $method)
+ {
+ if (!$item instanceof CacheItem) {
+ return false;
+ }
+ $item = (array) $item;
+ if (null === $item["\0*\0expiry"] && 0 < $item["\0*\0defaultLifetime"]) {
+ $item["\0*\0expiry"] = microtime(true) + $item["\0*\0defaultLifetime"];
+ }
+
+ if ($item["\0*\0poolHash"] === $this->poolHash && $item["\0*\0innerItem"]) {
+ $innerItem = $item["\0*\0innerItem"];
+ } elseif ($this->pool instanceof AdapterInterface) {
+ // this is an optimization specific for AdapterInterface implementations
+ // so we can save a round-trip to the backend by just creating a new item
+ $f = $this->createCacheItem;
+ $innerItem = $f($this->namespace.$item["\0*\0key"], null);
+ } else {
+ $innerItem = $this->pool->getItem($this->namespace.$item["\0*\0key"]);
+ }
+
+ ($this->setInnerItem)($innerItem, $item);
+
+ return $this->pool->$method($innerItem);
+ }
+
+ private function generateItems(iterable $items)
+ {
+ $f = $this->createCacheItem;
+
+ foreach ($items as $key => $item) {
+ if ($this->namespaceLen) {
+ $key = substr($key, $this->namespaceLen);
+ }
+
+ yield $key => $f($key, $item);
+ }
+ }
+
+ private function getId($key): string
+ {
+ CacheItem::validateKey($key);
+
+ return $this->namespace.$key;
+ }
+}