1 files changed, 115 insertions, 0 deletions
diff --git a/lib/Zend/Filter.php b/lib/Zend/Filter.php
new file mode 100644
index 0000000..23bec21
--- /dev/null
+++ b/lib/Zend/Filter.php
@@ -0,0 +1,115 @@
+<?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_Filter
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Filter.php 8434 2008-02-27 19:15:13Z darby $
+ */
+
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter implements Zend_Filter_Interface
+{
+    /**
+     * Filter chain
+     *
+     * @var array
+     */
+    protected $_filters = array();
+
+    /**
+     * Adds a filter to the end of the chain
+     *
+     * @param  Zend_Filter_Interface $filter
+     * @return Zend_Filter Provides a fluent interface
+     */
+    public function addFilter(Zend_Filter_Interface $filter)
+    {
+        $this->_filters[] = $filter;
+        return $this;
+    }
+
+    /**
+     * Returns $value filtered through each filter in the chain
+     *
+     * Filters are run in the order in which they were added to the chain (FIFO)
+     *
+     * @param  mixed $value
+     * @return mixed
+     */
+    public function filter($value)
+    {
+        $valueFiltered = $value;
+        foreach ($this->_filters as $filter) {
+            $valueFiltered = $filter->filter($valueFiltered);
+        }
+        return $valueFiltered;
+    }
+
+    /**
+     * Returns a value filtered through a specified filter class, without requiring separate
+     * instantiation of the filter object.
+     *
+     * The first argument of this method is a data input value, that you would have filtered.
+     * The second argument is a string, which corresponds to the basename of the filter class,
+     * relative to the Zend_Filter namespace. This method automatically loads the class,
+     * creates an instance, and applies the filter() method to the data input. You can also pass
+     * an array of constructor arguments, if they are needed for the filter class.
+     *
+     * @param  mixed        $value
+     * @param  string       $classBaseName
+     * @param  array        $args          OPTIONAL
+     * @param  array|string $namespaces    OPTIONAL
+     * @return mixed
+     * @throws Zend_Filter_Exception
+     */
+    public static function get($value, $classBaseName, array $args = array(), $namespaces = array())
+    {
+        require_once 'Zend/Loader.php';
+        $namespaces = array_merge(array('Zend_Filter'), (array) $namespaces);
+        foreach ($namespaces as $namespace) {
+            $className = $namespace . '_' . ucfirst($classBaseName);
+            try {
+                @Zend_Loader::loadClass($className);
+            } catch (Zend_Exception $ze) {
+                continue;
+            }
+            $class = new ReflectionClass($className);
+            if ($class->implementsInterface('Zend_Filter_Interface')) {
+                if ($class->hasMethod('__construct')) {
+                    $object = $class->newInstanceArgs($args);
+                } else {
+                    $object = $class->newInstance();
+                }
+                return $object->filter($value);
+            }
+        }
+        require_once 'Zend/Filter/Exception.php';
+        throw new Zend_Filter_Exception("Filter class not found from basename '$classBaseName'");
+    }
+}