diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/Captcha/Base.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Captcha/Base.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,176 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Captcha
+ * @subpackage Adapter
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+/** @see Zend_Captcha_Adapter */
+require_once 'Zend/Captcha/Adapter.php';
+
+/** @see Zend_Validate_Abstract */
+require_once 'Zend/Validate/Abstract.php';
+
+/**
+ * Base class for Captcha adapters
+ *
+ * Provides some utility functionality to build on
+ *
+ * @category   Zend
+ * @package    Zend_Captcha
+ * @subpackage Adapter
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Base.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+abstract class Zend_Captcha_Base extends Zend_Validate_Abstract implements Zend_Captcha_Adapter
+{
+    /**
+     * Element name
+     *
+     * Useful to generate/check form fields
+     *
+     * @var string
+     */
+    protected $_name;
+
+    /**
+     * Captcha options
+     *
+     * @var array
+     */
+    protected $_options = array();
+
+    /**
+     * Options to skip when processing options
+     * @var array
+     */
+    protected $_skipOptions = array(
+        'options',
+        'config',
+    );
+
+    /**
+     * Get name
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->_name;
+    }
+
+    /**
+     * Set name
+     *
+     * @param string $name
+     */
+    public function setName($name)
+    {
+        $this->_name = $name;
+        return $this;
+    }
+
+    /**
+     * Constructor
+     *
+     * @param  array|Zend_Config $options
+     * @return void
+     */
+    public function __construct($options = null)
+    {
+        // Set options
+        if (is_array($options)) {
+            $this->setOptions($options);
+        } else if ($options instanceof Zend_Config) {
+            $this->setConfig($options);
+        }
+    }
+
+    /**
+     * Set single option for the object
+     *
+     * @param string $key
+     * @param string $value
+     * @return Zend_Form_Element
+     */
+    public function setOption($key, $value)
+    {
+        if (in_array(strtolower($key), $this->_skipOptions)) {
+            return $this;
+        }
+
+        $method = 'set' . ucfirst ($key);
+        if (method_exists ($this, $method)) {
+            // Setter exists; use it
+            $this->$method ($value);
+            $this->_options[$key] = $value;
+        } elseif (property_exists($this, $key)) {
+            // Assume it's metadata
+            $this->$key = $value;
+            $this->_options[$key] = $value;
+        }
+        return $this;
+    }
+
+    /**
+     * Set object state from options array
+     *
+     * @param  array $options
+     * @return Zend_Form_Element
+     */
+    public function setOptions($options = null)
+    {
+        foreach ($options as $key => $value) {
+            $this->setOption($key, $value);
+        }
+        return $this;
+    }
+
+    /**
+     * Retrieve options representing object state
+     *
+     * @return array
+     */
+    public function getOptions()
+    {
+        return $this->_options;
+    }
+
+    /**
+     * Set object state from config object
+     *
+     * @param  Zend_Config $config
+     * @return Zend_Captcha_Base
+     */
+    public function setConfig(Zend_Config $config)
+    {
+        return $this->setOptions($config->toArray());
+    }
+
+    /**
+     * Get optional decorator
+     *
+     * By default, return null, indicating no extra decorator needed.
+     *
+     * @return null
+     */
+    public function getDecorator()
+    {
+        return null;
+    }
+}