Partially rewrite the client options bits and remove some madness.

The concept is now similar to a little dependency-injection system.
2026-10-30 07:36:30 +00:00 · 2011-12-01 09:01:13 +01:00
parent 1ae30d62db
commit a5bf0eb41a
10 changed files with 61 additions and 73 deletions
@@ -0,0 +1,105 @@
+<?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\Options;
+
+/**
+ * Class that manages validation and conversion of client options.
+ *
+ * @author Daniele Alessandri <suppakilla@gmail.com>
+ */
+class ClientOptions implements IClientOptions
+{
+    private $handlers;
+    private $defined;
+    private $options = array();
+
+    /**
+     * @param array $options Array of client options.
+     */
+    public function __construct(Array $options = array())
+    {
+        $this->handlers = $this->initialize($options);
+        $this->defined = array_fill_keys(array_keys($options), true);
+    }
+
+    /**
+     * Ensures that the default options are initialized.
+     *
+     * @return array
+     */
+    protected function getDefaultOptions()
+    {
+        return array(
+            'profile' => new ClientProfile(),
+            'connections' => new ClientConnectionFactory(),
+            'cluster' => new ClientCluster(),
+            'prefix' => new ClientPrefix(),
+        );
+    }
+
+    /**
+     * Initializes client options handlers.
+     *
+     * @param array $options List of client options values.
+     * @return array
+     */
+    protected function initialize(Array $options)
+    {
+        $handlers = $this->getDefaultOptions();
+
+        foreach ($options as $option => $value) {
+            if (isset($handlers[$option])) {
+                $handler = $handlers[$option];
+                $handlers[$option] = function($options) use($handler, $value) {
+                    return $handler->validate($options, $value);
+                };
+            }
+            else {
+                $this->options[$option] = $value;
+            }
+        }
+
+        return $handlers;
+    }
+
+    /**
+     * Checks if the specified option is set.
+     *
+     * @param string $option Name of the option.
+     * @return Boolean
+     */
+    public function __isset($option)
+    {
+        return isset($this->defined[$option]);
+    }
+
+    /**
+     * Returns the value of the specified option.
+     *
+     * @param string $option Name of the option.
+     * @return mixed
+     */
+    public function __get($option)
+    {
+        if (isset($this->options[$option])) {
+            return $this->options[$option];
+        }
+
+        if (isset($this->handlers[$option])) {
+            $handler = $this->handlers[$option];
+            $value = $handler instanceof IOption ? $handler->getDefault($this) : $handler($this);
+            $this->options[$option] = $value;
+
+            return $value;
+        }
+    }
+}