Security update for permissions_by_term
[yaffs-website] / vendor / behat / behat / src / Behat / Behat / Context / Reader / ContextReaderCachedPerSuite.php
diff --git a/vendor/behat/behat/src/Behat/Behat/Context/Reader/ContextReaderCachedPerSuite.php b/vendor/behat/behat/src/Behat/Behat/Context/Reader/ContextReaderCachedPerSuite.php
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+<?php
+
+/*
+ * This file is part of the Behat.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Behat\Behat\Context\Reader;
+
+use Behat\Behat\Context\Environment\ContextEnvironment;
+
+/**
+ * Proxies call to another reader and caches callees for a length of an entire suite.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+final class ContextReaderCachedPerSuite implements ContextReader
+{
+    /**
+     * @var ContextReader
+     */
+    private $childReader;
+    /**
+     * @var array[]
+     */
+    private $cachedCallees = array();
+
+    /**
+     * Initializes reader.
+     *
+     * @param ContextReader $childReader
+     */
+    public function __construct(ContextReader $childReader)
+    {
+        $this->childReader = $childReader;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function readContextCallees(ContextEnvironment $environment, $contextClass)
+    {
+        $key = $this->generateCacheKey($environment, $contextClass);
+
+        if (isset($this->cachedCallees[$key])) {
+            return $this->cachedCallees[$key];
+        }
+
+        return $this->cachedCallees[$key] = $this->childReader->readContextCallees(
+            $environment, $contextClass
+        );
+    }
+
+    /**
+     * Generates cache key.
+     *
+     * @param ContextEnvironment $environment
+     * @param string             $contextClass
+     *
+     * @return string
+     */
+    private function generateCacheKey(ContextEnvironment $environment, $contextClass)
+    {
+        return $environment->getSuite()->getName() . $contextClass;
+    }
+}