Moved cache drivers outside core to extensions (plugins)

plugins/cache-redis/Predis/Command/Command.php

@@ -0,0 +1,129 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) Daniele Alessandri <suppakilla@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Command;
+
+/**
+ * Base class for Redis commands.
+ *
+ * @author Daniele Alessandri <suppakilla@gmail.com>
+ */
+abstract class Command implements CommandInterface
+{
+    private $slot;
+    private $arguments = array();
+
+    /**
+     * Returns a filtered array of the arguments.
+     *
+     * @param array $arguments List of arguments.
+     *
+     * @return array
+     */
+    protected function filterArguments(array $arguments)
+    {
+        return $arguments;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setArguments(array $arguments)
+    {
+        $this->arguments = $this->filterArguments($arguments);
+        unset($this->slot);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setRawArguments(array $arguments)
+    {
+        $this->arguments = $arguments;
+        unset($this->slot);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getArguments()
+    {
+        return $this->arguments;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getArgument($index)
+    {
+        if (isset($this->arguments[$index])) {
+            return $this->arguments[$index];
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setSlot($slot)
+    {
+        $this->slot = $slot;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSlot()
+    {
+        if (isset($this->slot)) {
+            return $this->slot;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function parseResponse($data)
+    {
+        return $data;
+    }
+
+    /**
+     * Normalizes the arguments array passed to a Redis command.
+     *
+     * @param array $arguments Arguments for a command.
+     *
+     * @return array
+     */
+    public static function normalizeArguments(array $arguments)
+    {
+        if (count($arguments) === 1 && is_array($arguments[0])) {
+            return $arguments[0];
+        }
+
+        return $arguments;
+    }
+
+    /**
+     * Normalizes the arguments array passed to a variadic Redis command.
+     *
+     * @param array $arguments Arguments for a command.
+     *
+     * @return array
+     */
+    public static function normalizeVariadic(array $arguments)
+    {
+        if (count($arguments) === 2 && is_array($arguments[1])) {
+            return array_merge(array($arguments[0]), $arguments[1]);
+        }
+
+        return $arguments;
+    }
+}