1 files changed, 68 insertions, 0 deletions
diff --git a/vendor/phpspec/prophecy/src/Prophecy/Doubler/CachedDoubler.php b/vendor/phpspec/prophecy/src/Prophecy/Doubler/CachedDoubler.php
new file mode 100644
index 0000000..d6b6b1a
--- /dev/null
+++ b/vendor/phpspec/prophecy/src/Prophecy/Doubler/CachedDoubler.php
@@ -0,0 +1,68 @@
+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *     Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Doubler;
+
+use ReflectionClass;
+
+/**
+ * Cached class doubler.
+ * Prevents mirroring/creation of the same structure twice.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class CachedDoubler extends Doubler
+{
+    private $classes = array();
+
+    /**
+     * {@inheritdoc}
+     */
+    public function registerClassPatch(ClassPatch\ClassPatchInterface $patch)
+    {
+        $this->classes[] = array();
+
+        parent::registerClassPatch($patch);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function createDoubleClass(ReflectionClass $class = null, array $interfaces)
+    {
+        $classId = $this->generateClassId($class, $interfaces);
+        if (isset($this->classes[$classId])) {
+            return $this->classes[$classId];
+        }
+
+        return $this->classes[$classId] = parent::createDoubleClass($class, $interfaces);
+    }
+
+    /**
+     * @param ReflectionClass   $class
+     * @param ReflectionClass[] $interfaces
+     *
+     * @return string
+     */
+    private function generateClassId(ReflectionClass $class = null, array $interfaces)
+    {
+        $parts = array();
+        if (null !== $class) {
+            $parts[] = $class->getName();
+        }
+        foreach ($interfaces as $interface) {
+            $parts[] = $interface->getName();
+        }
+        sort($parts);
+
+        return md5(implode('', $parts));
+    }
+}