library/Zend/Filter/Alnum.php

@@ -0,0 +1,146 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+/**
+ * @see Zend_Locale
+ */
+require_once 'Zend/Locale.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Alnum implements Zend_Filter_Interface
+{
+    /**
+     * Whether to allow white space characters; off by default
+     *
+     * @var boolean
+     * @deprecated
+     */
+    public $allowWhiteSpace;
+
+    /**
+     * Is PCRE is compiled with UTF-8 and Unicode support
+     *
+     * @var mixed
+     **/
+    protected static $_unicodeEnabled;
+
+    /**
+     * Locale in browser.
+     *
+     * @var Zend_Locale object
+     */
+    protected $_locale;
+
+    /**
+     * The Alphabet means english alphabet.
+     *
+     * @var boolean
+     */
+    protected static $_meansEnglishAlphabet;
+
+    /**
+     * Sets default option values for this instance
+     *
+     * @param  boolean $allowWhiteSpace
+     * @return void
+     */
+    public function __construct($allowWhiteSpace = false)
+    {
+        if ($allowWhiteSpace instanceof Zend_Config) {
+            $allowWhiteSpace = $allowWhiteSpace->toArray();
+        } else if (is_array($allowWhiteSpace)) {
+            if (array_key_exists('allowwhitespace', $allowWhiteSpace)) {
+                $allowWhiteSpace = $allowWhiteSpace['allowwhitespace'];
+            } else {
+                $allowWhiteSpace = false;
+            }
+        }
+
+        $this->allowWhiteSpace = (boolean) $allowWhiteSpace;
+        if (null === self::$_unicodeEnabled) {
+            self::$_unicodeEnabled = (@preg_match('/\pL/u', 'a')) ? true : false;
+        }
+
+        if (null === self::$_meansEnglishAlphabet) {
+            $this->_locale = new Zend_Locale('auto');
+            self::$_meansEnglishAlphabet = in_array($this->_locale->getLanguage(),
+                                                    array('ja', 'ko', 'zh')
+                                                    );
+        }
+
+    }
+
+    /**
+     * Returns the allowWhiteSpace option
+     *
+     * @return boolean
+     */
+    public function getAllowWhiteSpace()
+    {
+        return $this->allowWhiteSpace;
+    }
+
+    /**
+     * Sets the allowWhiteSpace option
+     *
+     * @param boolean $allowWhiteSpace
+     * @return Zend_Filter_Alnum Provides a fluent interface
+     */
+    public function setAllowWhiteSpace($allowWhiteSpace)
+    {
+        $this->allowWhiteSpace = (boolean) $allowWhiteSpace;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns the string $value, removing all but alphabetic and digit characters
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        $whiteSpace = $this->allowWhiteSpace ? '\s' : '';
+        if (!self::$_unicodeEnabled) {
+            // POSIX named classes are not supported, use alternative a-zA-Z0-9 match
+            $pattern = '/[^a-zA-Z0-9' . $whiteSpace . ']/';
+        } else if (self::$_meansEnglishAlphabet) {
+            //The Alphabet means english alphabet.
+            $pattern = '/[^a-zA-Z0-9'  . $whiteSpace . ']/u';
+        } else {
+            //The Alphabet means each language's alphabet.
+            $pattern = '/[^\p{L}\p{N}' . $whiteSpace . ']/u';
+        }
+
+        return preg_replace($pattern, '', (string) $value);
+    }
+}

library/Zend/Filter/Alpha.php

@@ -0,0 +1,146 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+/**
+ * @see Zend_Locale
+ */
+require_once 'Zend/Locale.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Alpha implements Zend_Filter_Interface
+{
+    /**
+     * Whether to allow white space characters; off by default
+     *
+     * @var boolean
+     * @deprecated
+     */
+    public $allowWhiteSpace;
+
+    /**
+     * Is PCRE is compiled with UTF-8 and Unicode support
+     *
+     * @var mixed
+     **/
+    protected static $_unicodeEnabled;
+
+    /**
+     * Locale in browser.
+     *
+     * @var Zend_Locale object
+     */
+    protected $_locale;
+
+    /**
+     * The Alphabet means english alphabet.
+     *
+     * @var boolean
+     */
+    protected static $_meansEnglishAlphabet;
+
+    /**
+     * Sets default option values for this instance
+     *
+     * @param  boolean $allowWhiteSpace
+     * @return void
+     */
+    public function __construct($allowWhiteSpace = false)
+    {
+        if ($allowWhiteSpace instanceof Zend_Config) {
+            $allowWhiteSpace = $allowWhiteSpace->toArray();
+        } else if (is_array($allowWhiteSpace)) {
+            if (array_key_exists('allowwhitespace', $allowWhiteSpace)) {
+                $allowWhiteSpace = $allowWhiteSpace['allowwhitespace'];
+            } else {
+                $allowWhiteSpace = false;
+            }
+        }
+
+        $this->allowWhiteSpace = (boolean) $allowWhiteSpace;
+        if (null === self::$_unicodeEnabled) {
+            self::$_unicodeEnabled = (@preg_match('/\pL/u', 'a')) ? true : false;
+        }
+
+        if (null === self::$_meansEnglishAlphabet) {
+            $this->_locale = new Zend_Locale('auto');
+            self::$_meansEnglishAlphabet = in_array($this->_locale->getLanguage(),
+                                                    array('ja', 'ko', 'zh')
+                                                    );
+        }
+
+    }
+
+    /**
+     * Returns the allowWhiteSpace option
+     *
+     * @return boolean
+     */
+    public function getAllowWhiteSpace()
+    {
+        return $this->allowWhiteSpace;
+    }
+
+    /**
+     * Sets the allowWhiteSpace option
+     *
+     * @param boolean $allowWhiteSpace
+     * @return Zend_Filter_Alpha Provides a fluent interface
+     */
+    public function setAllowWhiteSpace($allowWhiteSpace)
+    {
+        $this->allowWhiteSpace = (boolean) $allowWhiteSpace;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns the string $value, removing all but alphabetic characters
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        $whiteSpace = $this->allowWhiteSpace ? '\s' : '';
+        if (!self::$_unicodeEnabled) {
+            // POSIX named classes are not supported, use alternative a-zA-Z match
+            $pattern = '/[^a-zA-Z' . $whiteSpace . ']/';
+        } else if (self::$_meansEnglishAlphabet) {
+            //The Alphabet means english alphabet.
+            $pattern = '/[^a-zA-Z'  . $whiteSpace . ']/u';
+        } else {
+            //The Alphabet means each language's alphabet.
+            $pattern = '/[^\p{L}' . $whiteSpace . ']/u';
+        }
+
+        return preg_replace($pattern, '', (string) $value);
+    }
+}

library/Zend/Filter/BaseName.php

@@ -0,0 +1,50 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_BaseName implements Zend_Filter_Interface
+{
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns basename($value)
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        return basename((string) $value);
+    }
+}

library/Zend/Filter/Boolean.php

@@ -0,0 +1,375 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Boolean implements Zend_Filter_Interface
+{
+    const BOOLEAN      = 1;
+    const INTEGER      = 2;
+    const FLOAT        = 4;
+    const STRING       = 8;
+    const ZERO         = 16;
+    const EMPTY_ARRAY  = 32;
+    const NULL         = 64;
+    const PHP          = 127;
+    const FALSE_STRING = 128;
+    const YES          = 256;
+    const ALL          = 511;
+
+    protected $_constants = array(
+        self::BOOLEAN      => 'boolean',
+        self::INTEGER      => 'integer',
+        self::FLOAT        => 'float',
+        self::STRING       => 'string',
+        self::ZERO         => 'zero',
+        self::EMPTY_ARRAY  => 'array',
+        self::NULL         => 'null',
+        self::PHP          => 'php',
+        self::FALSE_STRING => 'false',
+        self::YES          => 'yes',
+        self::ALL          => 'all',
+    );
+
+    /**
+     * Internal type to detect
+     *
+     * @var integer
+     */
+    protected $_type = self::PHP;
+
+    /**
+     * Internal locale
+     *
+     * @var array
+     */
+    protected $_locale = array('auto');
+
+    /**
+     * Internal mode
+     *
+     * @var boolean
+     */
+    protected $_casting = true;
+
+    /**
+     * Constructor
+     *
+     * @param string|array|Zend_Config $options OPTIONAL
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } elseif (!is_array($options)) {
+            $options = func_get_args();
+            $temp    = array();
+            if (!empty($options)) {
+                $temp['type'] = array_shift($options);
+            }
+
+            if (!empty($options)) {
+                $temp['casting'] = array_shift($options);
+            }
+
+            if (!empty($options)) {
+                $temp['locale'] = array_shift($options);
+            }
+
+            $options = $temp;
+        }
+
+        if (array_key_exists('type', $options)) {
+            $this->setType($options['type']);
+        }
+
+        if (array_key_exists('casting', $options)) {
+            $this->setCasting($options['casting']);
+        }
+
+        if (array_key_exists('locale', $options)) {
+            $this->setLocale($options['locale']);
+        }
+    }
+
+    /**
+     * Returns the set null types
+     *
+     * @return int
+     */
+    public function getType()
+    {
+        return $this->_type;
+    }
+
+    /**
+     * Set the null types
+     *
+     * @param  integer|array $type
+     * @throws Zend_Filter_Exception
+     * @return Zend_Filter_Boolean
+     */
+    public function setType($type = null)
+    {
+        if (is_array($type)) {
+            $detected = 0;
+            foreach($type as $value) {
+                if (is_int($value)) {
+                    $detected += $value;
+                } elseif (in_array($value, $this->_constants)) {
+                    $detected += array_search($value, $this->_constants);
+                }
+            }
+
+            $type = $detected;
+        } elseif (is_string($type) && in_array($type, $this->_constants)) {
+            $type = array_search($type, $this->_constants);
+        }
+
+        if (!is_int($type) || ($type < 0) || ($type > self::ALL)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Unknown type');
+        }
+
+        $this->_type = $type;
+        return $this;
+    }
+
+    /**
+     * Returns the set locale
+     *
+     * @return array
+     */
+    public function getLocale()
+    {
+        return $this->_locale;
+    }
+
+    /**
+     * Set the locales which are accepted
+     *
+     * @param  string|array|Zend_Locale $locale
+     * @throws Zend_Filter_Exception
+     * @return Zend_Filter_Boolean
+     */
+    public function setLocale($locale = null)
+    {
+        if (is_string($locale)) {
+            $locale = array($locale);
+        } elseif ($locale instanceof Zend_Locale) {
+            $locale = array($locale->toString());
+        } elseif (!is_array($locale)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Locale has to be string, array or an instance of Zend_Locale');
+        }
+
+        require_once 'Zend/Locale.php';
+        foreach ($locale as $single) {
+            if (!Zend_Locale::isLocale($single)) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception("Unknown locale '$single'");
+            }
+        }
+
+        $this->_locale = $locale;
+        return $this;
+    }
+
+    /**
+     * Returns the casting option
+     *
+     * @return boolean
+     */
+    public function getCasting()
+    {
+        return $this->_casting;
+    }
+
+    /**
+     * Set the working mode
+     *
+     * @param  boolean $locale When true this filter works like cast
+     *                         When false it recognises only true and false
+     *                         and all other values are returned as is
+     * @throws Zend_Filter_Exception
+     * @return Zend_Filter_Boolean
+     */
+    public function setCasting($casting = true)
+    {
+        $this->_casting = (boolean) $casting;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns a boolean representation of $value
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        $type    = $this->getType();
+        $casting = $this->getCasting();
+
+        // STRING YES (Localized)
+        if ($type >= self::YES) {
+            $type -= self::YES;
+            if (is_string($value)) {
+                require_once 'Zend/Locale.php';
+                $locales = $this->getLocale();
+                foreach ($locales as $locale) {
+                    if ($this->_getLocalizedQuestion($value, false, $locale) === false) {
+                        return false;
+                    }
+
+                    if (!$casting && ($this->_getLocalizedQuestion($value, true, $locale) === true)) {
+                        return true;
+                    }
+                }
+            }
+        }
+
+        // STRING FALSE ('false')
+        if ($type >= self::FALSE_STRING) {
+            $type -= self::FALSE_STRING;
+            if (is_string($value) && (strtolower($value) == 'false')) {
+                return false;
+            }
+
+            if ((!$casting) && is_string($value) && (strtolower($value) == 'true')) {
+                return true;
+            }
+        }
+
+        // NULL (null)
+        if ($type >= self::NULL) {
+            $type -= self::NULL;
+            if ($value === null) {
+                return false;
+            }
+        }
+
+        // EMPTY_ARRAY (array())
+        if ($type >= self::EMPTY_ARRAY) {
+            $type -= self::EMPTY_ARRAY;
+            if (is_array($value) && ($value == array())) {
+                return false;
+            }
+        }
+
+        // ZERO ('0')
+        if ($type >= self::ZERO) {
+            $type -= self::ZERO;
+            if (is_string($value) && ($value == '0')) {
+                return false;
+            }
+
+            if ((!$casting) && (is_string($value)) && ($value == '1')) {
+                return true;
+            }
+        }
+
+        // STRING ('')
+        if ($type >= self::STRING) {
+            $type -= self::STRING;
+            if (is_string($value) && ($value == '')) {
+                return false;
+            }
+        }
+
+        // FLOAT (0.0)
+        if ($type >= self::FLOAT) {
+            $type -= self::FLOAT;
+            if (is_float($value) && ($value == 0.0)) {
+                return false;
+            }
+
+            if ((!$casting) && is_float($value) && ($value == 1.0)) {
+                return true;
+            }
+        }
+
+        // INTEGER (0)
+        if ($type >= self::INTEGER) {
+            $type -= self::INTEGER;
+            if (is_int($value) && ($value == 0)) {
+                return false;
+            }
+
+            if ((!$casting) && is_int($value) && ($value == 1)) {
+                return true;
+            }
+        }
+
+        // BOOLEAN (false)
+        if ($type >= self::BOOLEAN) {
+            $type -= self::BOOLEAN;
+            if (is_bool($value)) {
+                return $value;
+            }
+        }
+
+        if ($casting) {
+            return true;
+        }
+
+        return $value;
+    }
+
+    /**
+     * Determine the value of a localized string, and compare it to a given value
+     *
+     * @param  string $value
+     * @param  boolean $yes
+     * @param  array $locale
+     * @return boolean
+     */
+    protected function _getLocalizedQuestion($value, $yes, $locale)
+    {
+        if ($yes == true) {
+            $question = 'yes';
+            $return   = true;
+        } else {
+            $question = 'no';
+            $return   = false;
+        }
+        $str = Zend_Locale::getTranslation($question, 'question', $locale);
+        $str = explode(':', $str);
+        if (!empty($str)) {
+            foreach($str as $no) {
+                if (($no == $value) || (strtolower($no) == strtolower($value))) {
+                    return $return;
+                }
+            }
+        }
+    }
+}

library/Zend/Filter/Callback.php

@@ -0,0 +1,152 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Callback implements Zend_Filter_Interface
+{
+    /**
+     * Callback in a call_user_func format
+     *
+     * @var string|array
+     */
+    protected $_callback = null;
+
+    /**
+     * Default options to set for the filter
+     *
+     * @var mixed
+     */
+    protected $_options = null;
+
+    /**
+     * Constructor
+     *
+     * @param string|array $callback Callback in a call_user_func format
+     * @param mixed        $options  (Optional) Default options for this filter
+     */
+    public function __construct($options)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } else if (!is_array($options) || !array_key_exists('callback', $options)) {
+            $options          = func_get_args();
+            $temp['callback'] = array_shift($options);
+            if (!empty($options)) {
+                $temp['options'] = array_shift($options);
+            }
+
+            $options = $temp;
+        }
+
+        if (!array_key_exists('callback', $options)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Missing callback to use');
+        }
+
+        $this->setCallback($options['callback']);
+        if (array_key_exists('options', $options)) {
+            $this->setOptions($options['options']);
+        }
+    }
+
+    /**
+     * Returns the set callback
+     *
+     * @return string|array Set callback
+     */
+    public function getCallback()
+    {
+        return $this->_callback;
+    }
+
+    /**
+     * Sets a new callback for this filter
+     *
+     * @param unknown_type $callback
+     * @return unknown
+     */
+    public function setCallback($callback, $options = null)
+    {
+        if (!is_callable($callback)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Callback can not be accessed');
+        }
+
+        $this->_callback = $callback;
+        $this->setOptions($options);
+        return $this;
+    }
+
+    /**
+     * Returns the set default options
+     *
+     * @return mixed
+     */
+    public function getOptions()
+    {
+        return $this->_options;
+    }
+
+    /**
+     * Sets new default options to the callback filter
+     *
+     * @param mixed $options Default options to set
+     * @return Zend_Filter_Callback
+     */
+    public function setOptions($options)
+    {
+        $this->_options = $options;
+        return $this;
+    }
+
+    /**
+     * Calls the filter per callback
+     *
+     * @param mixed $value Options for the set callback
+     * @return mixed       Result from the filter which was callbacked
+     */
+    public function filter($value)
+    {
+        $options = array();
+
+        if ($this->_options !== null) {
+            if (!is_array($this->_options)) {
+                $options = array($this->_options);
+            } else {
+                $options = $this->_options;
+            }
+        }
+
+        array_unshift($options, $value);
+
+        return call_user_func_array($this->_callback, $options);
+    }
+}

library/Zend/Filter/Compress.php

@@ -0,0 +1,197 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * Compresses a given string
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Compress implements Zend_Filter_Interface
+{
+    /**
+     * Compression adapter
+     */
+    protected $_adapter = 'Gz';
+
+    /**
+     * Compression adapter constructor options
+     */
+    protected $_adapterOptions = array();
+
+    /**
+     * Class constructor
+     *
+     * @param string|array $options (Optional) Options to set
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        }
+        if (is_string($options)) {
+            $this->setAdapter($options);
+        } elseif ($options instanceof Zend_Filter_Compress_CompressInterface) {
+            $this->setAdapter($options);
+        } elseif (is_array($options)) {
+            $this->setOptions($options);
+        }
+    }
+
+    /**
+     * Set filter setate
+     *
+     * @param  array $options
+     * @return Zend_Filter_Compress
+     */
+    public function setOptions(array $options)
+    {
+        foreach ($options as $key => $value) {
+            if ($key == 'options') {
+                $key = 'adapterOptions';
+            }
+            $method = 'set' . ucfirst($key);
+            if (method_exists($this, $method)) {
+                $this->$method($value);
+            }
+        }
+        return $this;
+    }
+
+    /**
+     * Returns the current adapter, instantiating it if necessary
+     *
+     * @return string
+     */
+    public function getAdapter()
+    {
+        if ($this->_adapter instanceof Zend_Filter_Compress_CompressInterface) {
+            return $this->_adapter;
+        }
+
+        $adapter = $this->_adapter;
+        $options = $this->getAdapterOptions();
+        if (!class_exists($adapter)) {
+            require_once 'Zend/Loader.php';
+            if (Zend_Loader::isReadable('Zend/Filter/Compress/' . ucfirst($adapter) . '.php')) {
+                $adapter = 'Zend_Filter_Compress_' . ucfirst($adapter);
+            }
+            Zend_Loader::loadClass($adapter);
+        }
+
+        $this->_adapter = new $adapter($options);
+        if (!$this->_adapter instanceof Zend_Filter_Compress_CompressInterface) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Compression adapter '" . $adapter . "' does not implement Zend_Filter_Compress_CompressInterface");
+        }
+        return $this->_adapter;
+    }
+
+    /**
+     * Retrieve adapter name
+     *
+     * @return string
+     */
+    public function getAdapterName()
+    {
+        return $this->getAdapter()->toString();
+    }
+
+    /**
+     * Sets compression adapter
+     *
+     * @param  string|Zend_Filter_Compress_CompressInterface $adapter Adapter to use
+     * @return Zend_Filter_Compress
+     */
+    public function setAdapter($adapter)
+    {
+        if ($adapter instanceof Zend_Filter_Compress_CompressInterface) {
+            $this->_adapter = $adapter;
+            return $this;
+        }
+        if (!is_string($adapter)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Invalid adapter provided; must be string or instance of Zend_Filter_Compress_CompressInterface');
+        }
+        $this->_adapter = $adapter;
+
+        return $this;
+    }
+
+    /**
+     * Retrieve adapter options
+     *
+     * @return array
+     */
+    public function getAdapterOptions()
+    {
+        return $this->_adapterOptions;
+    }
+
+    /**
+     * Set adapter options
+     *
+     * @param  array $options
+     * @return void
+     */
+    public function setAdapterOptions(array $options)
+    {
+        $this->_adapterOptions = $options;
+        return $this;
+    }
+
+    /**
+     * Calls adapter methods
+     *
+     * @param string       $method  Method to call
+     * @param string|array $options Options for this method
+     */
+    public function __call($method, $options)
+    {
+        $adapter = $this->getAdapter();
+        if (!method_exists($adapter, $method)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Unknown method '{$method}'");
+        }
+
+        return call_user_func_array(array($adapter, $method), $options);
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Compresses the content $value with the defined settings
+     *
+     * @param  string $value Content to compress
+     * @return string The compressed content
+     */
+    public function filter($value)
+    {
+        return $this->getAdapter()->compress($value);
+    }
+}

library/Zend/Filter/Compress/Bz2.php

@@ -0,0 +1,188 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Compress_CompressAbstract
+ */
+require_once 'Zend/Filter/Compress/CompressAbstract.php';
+
+/**
+ * Compression adapter for Bz2
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Compress_Bz2 extends Zend_Filter_Compress_CompressAbstract
+{
+    /**
+     * Compression Options
+     * array(
+     *     'blocksize' => Blocksize to use from 0-9
+     *     'archive'   => Archive to use
+     * )
+     *
+     * @var array
+     */
+    protected $_options = array(
+        'blocksize' => 4,
+        'archive'   => null,
+    );
+
+    /**
+     * Class constructor
+     *
+     * @param array|Zend_Config $options (Optional) Options to set
+     */
+    public function __construct($options = null)
+    {
+        if (!extension_loaded('bz2')) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('This filter needs the bz2 extension');
+        }
+        parent::__construct($options);
+    }
+
+    /**
+     * Returns the set blocksize
+     *
+     * @return integer
+     */
+    public function getBlocksize()
+    {
+        return $this->_options['blocksize'];
+    }
+
+    /**
+     * Sets a new blocksize
+     *
+     * @param integer $level
+     * @return Zend_Filter_Compress_Bz2
+     */
+    public function setBlocksize($blocksize)
+    {
+        if (($blocksize < 0) || ($blocksize > 9)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Blocksize must be between 0 and 9');
+        }
+
+        $this->_options['blocksize'] = (int) $blocksize;
+        return $this;
+    }
+
+    /**
+     * Returns the set archive
+     *
+     * @return string
+     */
+    public function getArchive()
+    {
+        return $this->_options['archive'];
+    }
+
+    /**
+     * Sets the archive to use for de-/compression
+     *
+     * @param string $archive Archive to use
+     * @return Zend_Filter_Compress_Bz2
+     */
+    public function setArchive($archive)
+    {
+        $this->_options['archive'] = (string) $archive;
+        return $this;
+    }
+
+    /**
+     * Compresses the given content
+     *
+     * @param  string $content
+     * @return string
+     */
+    public function compress($content)
+    {
+        $archive = $this->getArchive();
+        if (!empty($archive)) {
+            $file = bzopen($archive, 'w');
+            if (!$file) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception("Error opening the archive '" . $archive . "'");
+            }
+
+            bzwrite($file, $content);
+            bzclose($file);
+            $compressed = true;
+        } else {
+            $compressed = bzcompress($content, $this->getBlocksize());
+        }
+
+        if (is_int($compressed)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Error during compression');
+        }
+
+        return $compressed;
+    }
+
+    /**
+     * Decompresses the given content
+     *
+     * @param  string $content
+     * @return string
+     */
+    public function decompress($content)
+    {
+        $archive = $this->getArchive();
+        if (file_exists($content)) {
+            $archive = $content;
+        }
+
+        if (file_exists($archive)) {
+            $file = bzopen($archive, 'r');
+            if (!$file) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception("Error opening the archive '" . $content . "'");
+            }
+
+            $compressed = bzread($file);
+            bzclose($file);
+        } else {
+            $compressed = bzdecompress($content);
+        }
+
+        if (is_int($compressed)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Error during decompression');
+        }
+
+        return $compressed;
+    }
+
+    /**
+     * Returns the adapter name
+     *
+     * @return string
+     */
+    public function toString()
+    {
+        return 'Bz2';
+    }
+}

library/Zend/Filter/Compress/CompressAbstract.php

@@ -0,0 +1,89 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Compress_CompressInterface
+ */
+require_once 'Zend/Filter/Compress/CompressInterface.php';
+
+/**
+ * Abstract compression adapter
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Filter_Compress_CompressAbstract implements Zend_Filter_Compress_CompressInterface
+{
+    /**
+     * Class constructor
+     *
+     * @param array|Zend_Config $options (Optional) Options to set
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        }
+
+        if (is_array($options)) {
+            $this->setOptions($options);
+        }
+    }
+
+    /**
+     * Returns one or all set options
+     *
+     * @param string $option (Optional) Option to return
+     * @return mixed
+     */
+    public function getOptions($option = null)
+    {
+        if ($option === null) {
+            return $this->_options;
+        }
+
+        if (!array_key_exists($option, $this->_options)) {
+            return null;
+        }
+
+        return $this->_options[$option];
+    }
+
+    /**
+     * Sets all or one option
+     *
+     * @param  array $options
+     * @return Zend_Filter_Compress_Bz2
+     */
+    public function setOptions(array $options)
+    {
+        foreach ($options as $key => $option) {
+            $method = 'set' . $key;
+            if (method_exists($this, $method)) {
+                $this->$method($option);
+            }
+        }
+
+        return $this;
+    }
+}

library/Zend/Filter/Compress/CompressInterface.php

@@ -0,0 +1,54 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * Compression interface
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+interface Zend_Filter_Compress_CompressInterface
+{
+    /**
+     * Compresses $value with the defined settings
+     *
+     * @param  string $value Data to compress
+     * @return string The compressed data
+     */
+    public function compress($value);
+
+    /**
+     * Decompresses $value with the defined settings
+     *
+     * @param  string $value Data to decompress
+     * @return string The decompressed data
+     */
+    public function decompress($value);
+
+    /**
+     * Return the adapter name
+     *
+     * @return string
+     */
+    public function toString();
+}

library/Zend/Filter/Compress/Gz.php

@@ -0,0 +1,228 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Compress_CompressAbstract
+ */
+require_once 'Zend/Filter/Compress/CompressAbstract.php';
+
+/**
+ * Compression adapter for Gzip (ZLib)
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Compress_Gz extends Zend_Filter_Compress_CompressAbstract
+{
+    /**
+     * Compression Options
+     * array(
+     *     'level'    => Compression level 0-9
+     *     'mode'     => Compression mode, can be 'compress', 'deflate'
+     *     'archive'  => Archive to use
+     * )
+     *
+     * @var array
+     */
+    protected $_options = array(
+        'level'   => 9,
+        'mode'    => 'compress',
+        'archive' => null,
+    );
+
+    /**
+     * Class constructor
+     *
+     * @param array|Zend_Config|null $options (Optional) Options to set
+     */
+    public function __construct($options = null)
+    {
+        if (!extension_loaded('zlib')) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('This filter needs the zlib extension');
+        }
+        parent::__construct($options);
+    }
+
+    /**
+     * Returns the set compression level
+     *
+     * @return integer
+     */
+    public function getLevel()
+    {
+        return $this->_options['level'];
+    }
+
+    /**
+     * Sets a new compression level
+     *
+     * @param integer $level
+     * @return Zend_Filter_Compress_Gz
+     */
+    public function setLevel($level)
+    {
+        if (($level < 0) || ($level > 9)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Level must be between 0 and 9');
+        }
+
+        $this->_options['level'] = (int) $level;
+        return $this;
+    }
+
+    /**
+     * Returns the set compression mode
+     *
+     * @return string
+     */
+    public function getMode()
+    {
+        return $this->_options['mode'];
+    }
+
+    /**
+     * Sets a new compression mode
+     *
+     * @param string $mode Supported are 'compress', 'deflate' and 'file'
+     */
+    public function setMode($mode)
+    {
+        if (($mode != 'compress') && ($mode != 'deflate')) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Given compression mode not supported');
+        }
+
+        $this->_options['mode'] = $mode;
+        return $this;
+    }
+
+    /**
+     * Returns the set archive
+     *
+     * @return string
+     */
+    public function getArchive()
+    {
+        return $this->_options['archive'];
+    }
+
+    /**
+     * Sets the archive to use for de-/compression
+     *
+     * @param string $archive Archive to use
+     * @return Zend_Filter_Compress_Gz
+     */
+    public function setArchive($archive)
+    {
+        $this->_options['archive'] = (string) $archive;
+        return $this;
+    }
+
+    /**
+     * Compresses the given content
+     *
+     * @param  string $content
+     * @return string
+     */
+    public function compress($content)
+    {
+        $archive = $this->getArchive();
+        if (!empty($archive)) {
+            $file = gzopen($archive, 'w' . $this->getLevel());
+            if (!$file) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception("Error opening the archive '" . $this->_options['archive'] . "'");
+            }
+
+            gzwrite($file, $content);
+            gzclose($file);
+            $compressed = true;
+        } else if ($this->_options['mode'] == 'deflate') {
+            $compressed = gzdeflate($content, $this->getLevel());
+        } else {
+            $compressed = gzcompress($content, $this->getLevel());
+        }
+
+        if (!$compressed) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Error during compression');
+        }
+
+        return $compressed;
+    }
+
+    /**
+     * Decompresses the given content
+     *
+     * @param  string $content
+     * @return string
+     */
+    public function decompress($content)
+    {
+        $archive = $this->getArchive();
+        $mode    = $this->getMode();
+        if (file_exists($content)) {
+            $archive = $content;
+        }
+
+        if (file_exists($archive)) {
+            $handler = fopen($archive, "rb");
+            if (!$handler) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception("Error opening the archive '" . $archive . "'");
+            }
+
+            fseek($handler, -4, SEEK_END);
+            $packet = fread($handler, 4);
+            $bytes  = unpack("V", $packet);
+            $size   = end($bytes);
+            fclose($handler);
+
+            $file       = gzopen($archive, 'r');
+            $compressed = gzread($file, $size);
+            gzclose($file);
+        } else if ($mode == 'deflate') {
+            $compressed = gzinflate($content);
+        } else {
+            $compressed = gzuncompress($content);
+        }
+
+        if (!$compressed) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Error during compression');
+        }
+
+        return $compressed;
+    }
+
+    /**
+     * Returns the adapter name
+     *
+     * @return string
+     */
+    public function toString()
+    {
+        return 'Gz';
+    }
+}

library/Zend/Filter/Compress/Lzf.php

@@ -0,0 +1,91 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Compress_CompressInterface
+ */
+require_once 'Zend/Filter/Compress/CompressInterface.php';
+
+/**
+ * Compression adapter for Lzf
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Compress_Lzf implements Zend_Filter_Compress_CompressInterface
+{
+    /**
+     * Class constructor
+     */
+    public function __construct()
+    {
+        if (!extension_loaded('lzf')) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('This filter needs the lzf extension');
+        }
+    }
+
+    /**
+     * Compresses the given content
+     *
+     * @param  string $content
+     * @return string
+     */
+    public function compress($content)
+    {
+        $compressed = lzf_compress($content);
+        if (!$compressed) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Error during compression');
+        }
+
+        return $compressed;
+    }
+
+    /**
+     * Decompresses the given content
+     *
+     * @param  string $content
+     * @return string
+     */
+    public function decompress($content)
+    {
+        $compressed = lzf_decompress($content);
+        if (!$compressed) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Error during compression');
+        }
+
+        return $compressed;
+    }
+
+    /**
+     * Returns the adapter name
+     *
+     * @return string
+     */
+    public function toString()
+    {
+        return 'Lzf';
+    }
+}

library/Zend/Filter/Compress/Rar.php

@@ -0,0 +1,252 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Compress_CompressAbstract
+ */
+require_once 'Zend/Filter/Compress/CompressAbstract.php';
+
+/**
+ * Compression adapter for Rar
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Compress_Rar extends Zend_Filter_Compress_CompressAbstract
+{
+    /**
+     * Compression Options
+     * array(
+     *     'callback' => Callback for compression
+     *     'archive'  => Archive to use
+     *     'password' => Password to use
+     *     'target'   => Target to write the files to
+     * )
+     *
+     * @var array
+     */
+    protected $_options = array(
+        'callback' => null,
+        'archive'  => null,
+        'password' => null,
+        'target'   => '.',
+    );
+
+    /**
+     * Class constructor
+     *
+     * @param array $options (Optional) Options to set
+     */
+    public function __construct($options = null)
+    {
+        if (!extension_loaded('rar')) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('This filter needs the rar extension');
+        }
+        parent::__construct($options);
+    }
+
+    /**
+     * Returns the set callback for compression
+     *
+     * @return string
+     */
+    public function getCallback()
+    {
+        return $this->_options['callback'];
+    }
+
+    /**
+     * Sets the callback to use
+     *
+     * @param string $callback
+     * @return Zend_Filter_Compress_Rar
+     */
+    public function setCallback($callback)
+    {
+        if (!is_callable($callback)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Callback can not be accessed');
+        }
+
+        $this->_options['callback'] = $callback;
+        return $this;
+    }
+
+    /**
+     * Returns the set archive
+     *
+     * @return string
+     */
+    public function getArchive()
+    {
+        return $this->_options['archive'];
+    }
+
+    /**
+     * Sets the archive to use for de-/compression
+     *
+     * @param string $archive Archive to use
+     * @return Zend_Filter_Compress_Rar
+     */
+    public function setArchive($archive)
+    {
+        $archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $archive);
+        $this->_options['archive'] = (string) $archive;
+
+        return $this;
+    }
+
+    /**
+     * Returns the set password
+     *
+     * @return string
+     */
+    public function getPassword()
+    {
+        return $this->_options['password'];
+    }
+
+    /**
+     * Sets the password to use
+     *
+     * @param string $password
+     * @return Zend_Filter_Compress_Rar
+     */
+    public function setPassword($password)
+    {
+        $this->_options['password'] = (string) $password;
+        return $this;
+    }
+
+    /**
+     * Returns the set targetpath
+     *
+     * @return string
+     */
+    public function getTarget()
+    {
+        return $this->_options['target'];
+    }
+
+    /**
+     * Sets the targetpath to use
+     *
+     * @param string $target
+     * @return Zend_Filter_Compress_Rar
+     */
+    public function setTarget($target)
+    {
+        if (!file_exists(dirname($target))) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("The directory '$target' does not exist");
+        }
+
+        $target = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $target);
+        $this->_options['target'] = (string) $target;
+        return $this;
+    }
+
+    /**
+     * Compresses the given content
+     *
+     * @param  string|array $content
+     * @return string
+     */
+    public function compress($content)
+    {
+        $callback = $this->getCallback();
+        if ($callback === null) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('No compression callback available');
+        }
+
+        $options = $this->getOptions();
+        unset($options['callback']);
+
+        $result = call_user_func($callback, $options, $content);
+        if ($result !== true) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Error compressing the RAR Archive');
+        }
+
+        return $this->getArchive();
+    }
+
+    /**
+     * Decompresses the given content
+     *
+     * @param  string $content
+     * @return boolean
+     */
+    public function decompress($content)
+    {
+        $archive = $this->getArchive();
+        if (file_exists($content)) {
+            $archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, realpath($content));
+        } elseif (empty($archive) || !file_exists($archive)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('RAR Archive not found');
+        }
+
+        $password = $this->getPassword();
+        if ($password !== null) {
+            $archive = rar_open($archive, $password);
+        } else {
+            $archive = rar_open($archive);
+        }
+
+        if (!$archive) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Error opening the RAR Archive");
+        }
+
+        $target = $this->getTarget();
+        if (!is_dir($target)) {
+            $target = dirname($target);
+        }
+
+        $filelist = rar_list($archive);
+        if (!$filelist) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Error reading the RAR Archive");
+        }
+
+        foreach($filelist as $file) {
+            $file->extract($target);
+        }
+
+        rar_close($archive);
+        return true;
+    }
+
+    /**
+     * Returns the adapter name
+     *
+     * @return string
+     */
+    public function toString()
+    {
+        return 'Rar';
+    }
+}

library/Zend/Filter/Compress/Tar.php

@@ -0,0 +1,245 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Compress_CompressAbstract
+ */
+require_once 'Zend/Filter/Compress/CompressAbstract.php';
+
+/**
+ * Compression adapter for Tar
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Compress_Tar extends Zend_Filter_Compress_CompressAbstract
+{
+    /**
+     * Compression Options
+     * array(
+     *     'archive'  => Archive to use
+     *     'target'   => Target to write the files to
+     * )
+     *
+     * @var array
+     */
+    protected $_options = array(
+        'archive'  => null,
+        'target'   => '.',
+        'mode'     => null,
+    );
+
+    /**
+     * Class constructor
+     *
+     * @param array $options (Optional) Options to set
+     */
+    public function __construct($options = null)
+    {
+        if (!class_exists('Archive_Tar')) {
+            require_once 'Zend/Loader.php';
+            try {
+                Zend_Loader::loadClass('Archive_Tar');
+            } catch (Zend_Exception $e) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception('This filter needs PEARs Archive_Tar', 0, $e);
+            }
+        }
+
+        parent::__construct($options);
+    }
+
+    /**
+     * Returns the set archive
+     *
+     * @return string
+     */
+    public function getArchive()
+    {
+        return $this->_options['archive'];
+    }
+
+    /**
+     * Sets the archive to use for de-/compression
+     *
+     * @param string $archive Archive to use
+     * @return Zend_Filter_Compress_Tar
+     */
+    public function setArchive($archive)
+    {
+        $archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $archive);
+        $this->_options['archive'] = (string) $archive;
+
+        return $this;
+    }
+
+    /**
+     * Returns the set targetpath
+     *
+     * @return string
+     */
+    public function getTarget()
+    {
+        return $this->_options['target'];
+    }
+
+    /**
+     * Sets the targetpath to use
+     *
+     * @param string $target
+     * @return Zend_Filter_Compress_Tar
+     */
+    public function setTarget($target)
+    {
+        if (!file_exists(dirname($target))) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("The directory '$target' does not exist");
+        }
+
+        $target = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $target);
+        $this->_options['target'] = (string) $target;
+        return $this;
+    }
+
+    /**
+     * Returns the set compression mode
+     */
+    public function getMode()
+    {
+        return $this->_options['mode'];
+    }
+
+    /**
+     * Compression mode to use
+     * Eighter Gz or Bz2
+     *
+     * @param string $mode
+     */
+    public function setMode($mode)
+    {
+        $mode = ucfirst(strtolower($mode));
+        if (($mode != 'Bz2') && ($mode != 'Gz')) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("The mode '$mode' is unknown");
+        }
+
+        if (($mode == 'Bz2') && (!extension_loaded('bz2'))) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('This mode needs the bz2 extension');
+        }
+
+        if (($mode == 'Gz') && (!extension_loaded('zlib'))) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('This mode needs the zlib extension');
+        }
+    }
+
+    /**
+     * Compresses the given content
+     *
+     * @param  string $content
+     * @return string
+     */
+    public function compress($content)
+    {
+        $archive = new Archive_Tar($this->getArchive(), $this->getMode());
+        if (!file_exists($content)) {
+            $file = $this->getTarget();
+            if (is_dir($file)) {
+                $file .= DIRECTORY_SEPARATOR . "tar.tmp";
+            }
+
+            $result = file_put_contents($file, $content);
+            if ($result === false) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception('Error creating the temporary file');
+            }
+
+            $content = $file;
+        }
+
+        if (is_dir($content)) {
+            // collect all file infos
+            foreach (new RecursiveIteratorIterator(
+                        new RecursiveDirectoryIterator($content, RecursiveDirectoryIterator::KEY_AS_PATHNAME),
+                        RecursiveIteratorIterator::SELF_FIRST
+                    ) as $directory => $info
+            ) {
+                if ($info->isFile()) {
+                    $file[] = $directory;
+                }
+            }
+
+            $content = $file;
+        }
+
+        $result  = $archive->create($content);
+        if ($result === false) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Error creating the Tar archive');
+        }
+
+        return $this->getArchive();
+    }
+
+    /**
+     * Decompresses the given content
+     *
+     * @param  string $content
+     * @return boolean
+     */
+    public function decompress($content)
+    {
+        $archive = $this->getArchive();
+        if (file_exists($content)) {
+            $archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, realpath($content));
+        } elseif (empty($archive) || !file_exists($archive)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Tar Archive not found');
+        }
+
+        $archive = new Archive_Tar($archive, $this->getMode());
+        $target  = $this->getTarget();
+        if (!is_dir($target)) {
+            $target = dirname($target);
+        }
+
+        $result = $archive->extract($target);
+        if ($result === false) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Error while extracting the Tar archive');
+        }
+
+        return true;
+    }
+
+    /**
+     * Returns the adapter name
+     *
+     * @return string
+     */
+    public function toString()
+    {
+        return 'Tar';
+    }
+}

library/Zend/Filter/Compress/Zip.php

@@ -0,0 +1,355 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Compress_CompressAbstract
+ */
+require_once 'Zend/Filter/Compress/CompressAbstract.php';
+
+/**
+ * Compression adapter for zip
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Compress_Zip extends Zend_Filter_Compress_CompressAbstract
+{
+    /**
+     * Compression Options
+     * array(
+     *     'archive'  => Archive to use
+     *     'password' => Password to use
+     *     'target'   => Target to write the files to
+     * )
+     *
+     * @var array
+     */
+    protected $_options = array(
+        'archive' => null,
+        'target'  => null,
+    );
+
+    /**
+     * Class constructor
+     *
+     * @param string|array $options (Optional) Options to set
+     */
+    public function __construct($options = null)
+    {
+        if (!extension_loaded('zip')) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('This filter needs the zip extension');
+        }
+        parent::__construct($options);
+    }
+
+    /**
+     * Returns the set archive
+     *
+     * @return string
+     */
+    public function getArchive()
+    {
+        return $this->_options['archive'];
+    }
+
+    /**
+     * Sets the archive to use for de-/compression
+     *
+     * @param string $archive Archive to use
+     * @return Zend_Filter_Compress_Rar
+     */
+    public function setArchive($archive)
+    {
+        $archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $archive);
+        $this->_options['archive'] = (string) $archive;
+
+        return $this;
+    }
+
+    /**
+     * Returns the set targetpath
+     *
+     * @return string
+     */
+    public function getTarget()
+    {
+        return $this->_options['target'];
+    }
+
+    /**
+     * Sets the target to use
+     *
+     * @param string $target
+     * @return Zend_Filter_Compress_Rar
+     */
+    public function setTarget($target)
+    {
+        if (!file_exists(dirname($target))) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("The directory '$target' does not exist");
+        }
+
+        $target = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $target);
+        $this->_options['target'] = (string) $target;
+        return $this;
+    }
+
+    /**
+     * Compresses the given content
+     *
+     * @param  string $content
+     * @return string Compressed archive
+     */
+    public function compress($content)
+    {
+        $zip = new ZipArchive();
+        $res = $zip->open($this->getArchive(), ZipArchive::CREATE | ZipArchive::OVERWRITE);
+
+        if ($res !== true) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception($this->_errorString($res));
+        }
+
+        if (file_exists($content)) {
+            $content  = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, realpath($content));
+            $basename = substr($content, strrpos($content, DIRECTORY_SEPARATOR) + 1);
+            if (is_dir($content)) {
+                $index    = strrpos($content, DIRECTORY_SEPARATOR) + 1;
+                $content .= DIRECTORY_SEPARATOR;
+                $stack    = array($content);
+                while (!empty($stack)) {
+                    $current = array_pop($stack);
+                    $files   = array();
+
+                    $dir = dir($current);
+                    while (false !== ($node = $dir->read())) {
+                        if (($node == '.') || ($node == '..')) {
+                            continue;
+                        }
+
+                        if (is_dir($current . $node)) {
+                            array_push($stack, $current . $node . DIRECTORY_SEPARATOR);
+                        }
+
+                        if (is_file($current . $node)) {
+                            $files[] = $node;
+                        }
+                    }
+
+                    $local = substr($current, $index);
+                    $zip->addEmptyDir(substr($local, 0, -1));
+
+                    foreach ($files as $file) {
+                        $zip->addFile($current . $file, $local . $file);
+                        if ($res !== true) {
+                            require_once 'Zend/Filter/Exception.php';
+                            throw new Zend_Filter_Exception($this->_errorString($res));
+                        }
+                    }
+                }
+            } else {
+                $res = $zip->addFile($content, $basename);
+                if ($res !== true) {
+                    require_once 'Zend/Filter/Exception.php';
+                    throw new Zend_Filter_Exception($this->_errorString($res));
+                }
+            }
+        } else {
+            $file = $this->getTarget();
+            if (!is_dir($file)) {
+                $file = basename($file);
+            } else {
+                $file = "zip.tmp";
+            }
+
+            $res = $zip->addFromString($file, $content);
+            if ($res !== true) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception($this->_errorString($res));
+            }
+        }
+
+        $zip->close();
+        return $this->_options['archive'];
+    }
+
+    /**
+     * Decompresses the given content
+     *
+     * @param  string $content
+     * @return string
+     */
+    public function decompress($content)
+    {
+        $archive = $this->getArchive();
+        if (file_exists($content)) {
+            $archive = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, realpath($content));
+        } elseif (empty($archive) || !file_exists($archive)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('ZIP Archive not found');
+        }
+
+        $zip = new ZipArchive();
+        $res = $zip->open($archive);
+
+        $target = $this->getTarget();
+
+        if (!empty($target) && !is_dir($target)) {
+            $target = dirname($target);
+        }
+
+        if (!empty($target)) {
+            $target = rtrim($target, '/\\') . DIRECTORY_SEPARATOR;
+        }
+
+        if (empty($target) || !is_dir($target)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('No target for ZIP decompression set');
+        }
+
+        if ($res !== true) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception($this->_errorString($res));
+        }
+
+        if (version_compare(PHP_VERSION, '5.2.8', '<')) {
+            for ($i = 0; $i < $zip->numFiles; $i++) {
+                $statIndex = $zip->statIndex($i);
+                $currName = $statIndex['name'];
+                if (($currName{0} == '/') ||
+                    (substr($currName, 0, 2) == '..') ||
+                    (substr($currName, 0, 4) == './..')
+                    )
+                {
+                    require_once 'Zend/Filter/Exception.php';
+                    throw new Zend_Filter_Exception('Upward directory traversal was detected inside ' . $archive
+                        . ' please use PHP 5.2.8 or greater to take advantage of path resolution features of '
+                        . 'the zip extension in this decompress() method.'
+                        );
+                }
+            }
+        }
+
+        $res = @$zip->extractTo($target);
+        if ($res !== true) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception($this->_errorString($res));
+        }
+
+        $zip->close();
+        return $target;
+    }
+
+    /**
+     * Returns the proper string based on the given error constant
+     *
+     * @param string $error
+     */
+    protected function _errorString($error)
+    {
+        switch($error) {
+            case ZipArchive::ER_MULTIDISK :
+                return 'Multidisk ZIP Archives not supported';
+
+            case ZipArchive::ER_RENAME :
+                return 'Failed to rename the temporary file for ZIP';
+
+            case ZipArchive::ER_CLOSE :
+                return 'Failed to close the ZIP Archive';
+
+            case ZipArchive::ER_SEEK :
+                return 'Failure while seeking the ZIP Archive';
+
+            case ZipArchive::ER_READ :
+                return 'Failure while reading the ZIP Archive';
+
+            case ZipArchive::ER_WRITE :
+                return 'Failure while writing the ZIP Archive';
+
+            case ZipArchive::ER_CRC :
+                return 'CRC failure within the ZIP Archive';
+
+            case ZipArchive::ER_ZIPCLOSED :
+                return 'ZIP Archive already closed';
+
+            case ZipArchive::ER_NOENT :
+                return 'No such file within the ZIP Archive';
+
+            case ZipArchive::ER_EXISTS :
+                return 'ZIP Archive already exists';
+
+            case ZipArchive::ER_OPEN :
+                return 'Can not open ZIP Archive';
+
+            case ZipArchive::ER_TMPOPEN :
+                return 'Failure creating temporary ZIP Archive';
+
+            case ZipArchive::ER_ZLIB :
+                return 'ZLib Problem';
+
+            case ZipArchive::ER_MEMORY :
+                return 'Memory allocation problem while working on a ZIP Archive';
+
+            case ZipArchive::ER_CHANGED :
+                return 'ZIP Entry has been changed';
+
+            case ZipArchive::ER_COMPNOTSUPP :
+                return 'Compression method not supported within ZLib';
+
+            case ZipArchive::ER_EOF :
+                return 'Premature EOF within ZIP Archive';
+
+            case ZipArchive::ER_INVAL :
+                return 'Invalid argument for ZLIB';
+
+            case ZipArchive::ER_NOZIP :
+                return 'Given file is no zip archive';
+
+            case ZipArchive::ER_INTERNAL :
+                return 'Internal error while working on a ZIP Archive';
+
+            case ZipArchive::ER_INCONS :
+                return 'Inconsistent ZIP archive';
+
+            case ZipArchive::ER_REMOVE :
+                return 'Can not remove ZIP Archive';
+
+            case ZipArchive::ER_DELETED :
+                return 'ZIP Entry has been deleted';
+
+            default :
+                return 'Unknown error within ZIP Archive';
+        }
+    }
+
+    /**
+     * Returns the adapter name
+     *
+     * @return string
+     */
+    public function toString()
+    {
+        return 'Zip';
+    }
+}

library/Zend/Filter/Decompress.php

@@ -0,0 +1,49 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Compress
+ */
+require_once 'Zend/Filter/Compress.php';
+
+/**
+ * Decompresses a given string
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Decompress extends Zend_Filter_Compress
+{
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Decompresses the content $value with the defined settings
+     *
+     * @param  string $value Content to decompress
+     * @return string The decompressed content
+     */
+    public function filter($value)
+    {
+        return $this->getAdapter()->decompress($value);
+    }
+}

library/Zend/Filter/Decrypt.php

@@ -0,0 +1,49 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Encrypt
+ */
+require_once 'Zend/Filter/Encrypt.php';
+
+/**
+ * Decrypts a given string
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Decrypt extends Zend_Filter_Encrypt
+{
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Decrypts the content $value with the defined settings
+     *
+     * @param  string $value Content to decrypt
+     * @return string The decrypted content
+     */
+    public function filter($value)
+    {
+        return $this->_adapter->decrypt($value);
+    }
+}

library/Zend/Filter/Digits.php

@@ -0,0 +1,82 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Digits implements Zend_Filter_Interface
+{
+    /**
+     * Is PCRE is compiled with UTF-8 and Unicode support
+     *
+     * @var mixed
+     **/
+    protected static $_unicodeEnabled;
+
+    /**
+     * Class constructor
+     *
+     * Checks if PCRE is compiled with UTF-8 and Unicode support
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        if (null === self::$_unicodeEnabled) {
+            self::$_unicodeEnabled = (@preg_match('/\pL/u', 'a')) ? true : false;
+        }
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns the string $value, removing all but digit characters
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        if (!self::$_unicodeEnabled) {
+            // POSIX named classes are not supported, use alternative 0-9 match
+            $pattern = '/[^0-9]/';
+        } else if (extension_loaded('mbstring')) {
+            // Filter for the value with mbstring
+            $pattern = '/[^[:digit:]]/';
+        } else {
+            // Filter for the value without mbstring
+            $pattern = '/[\p{^N}]/';
+        }
+
+        return preg_replace($pattern, '', (string) $value);
+    }
+}

library/Zend/Filter/Dir.php

@@ -0,0 +1,50 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Dir implements Zend_Filter_Interface
+{
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns dirname($value)
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        return dirname((string) $value);
+    }
+}

library/Zend/Filter/Encrypt.php

@@ -0,0 +1,138 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @see Zend_Loader
+ */
+require_once 'Zend/Loader.php';
+
+/**
+ * Encrypts a given string
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Encrypt implements Zend_Filter_Interface
+{
+    /**
+     * Encryption adapter
+     */
+    protected $_adapter;
+
+    /**
+     * Class constructor
+     *
+     * @param string|array $options (Optional) Options to set, if null mcrypt is used
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        }
+
+        $this->setAdapter($options);
+    }
+
+    /**
+     * Returns the name of the set adapter
+     *
+     * @return string
+     */
+    public function getAdapter()
+    {
+        return $this->_adapter->toString();
+    }
+
+    /**
+     * Sets new encryption options
+     *
+     * @param  string|array $options (Optional) Encryption options
+     * @return Zend_Filter_Encrypt
+     */
+    public function setAdapter($options = null)
+    {
+        if (is_string($options)) {
+            $adapter = $options;
+        } else if (isset($options['adapter'])) {
+            $adapter = $options['adapter'];
+            unset($options['adapter']);
+        } else {
+            $adapter = 'Mcrypt';
+        }
+
+        if (!is_array($options)) {
+            $options = array();
+        }
+
+        if (Zend_Loader::isReadable('Zend/Filter/Encrypt/' . ucfirst($adapter). '.php')) {
+            $adapter = 'Zend_Filter_Encrypt_' . ucfirst($adapter);
+        }
+
+        if (!class_exists($adapter)) {
+            Zend_Loader::loadClass($adapter);
+        }
+
+        $this->_adapter = new $adapter($options);
+        if (!$this->_adapter instanceof Zend_Filter_Encrypt_Interface) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Encoding adapter '" . $adapter . "' does not implement Zend_Filter_Encrypt_Interface");
+        }
+
+        return $this;
+    }
+
+    /**
+     * Calls adapter methods
+     *
+     * @param string       $method  Method to call
+     * @param string|array $options Options for this method
+     */
+    public function __call($method, $options)
+    {
+        $part = substr($method, 0, 3);
+        if ((($part != 'get') and ($part != 'set')) or !method_exists($this->_adapter, $method)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Unknown method '{$method}'");
+        }
+
+        return call_user_func_array(array($this->_adapter, $method), $options);
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Encrypts the content $value with the defined settings
+     *
+     * @param  string $value Content to encrypt
+     * @return string The encrypted content
+     */
+    public function filter($value)
+    {
+        return $this->_adapter->encrypt($value);
+    }
+}

library/Zend/Filter/Encrypt/Interface.php

@@ -0,0 +1,47 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * Encryption interface
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+interface Zend_Filter_Encrypt_Interface
+{
+    /**
+     * Encrypts $value with the defined settings
+     *
+     * @param  string $value Data to encrypt
+     * @return string The encrypted data
+     */
+    public function encrypt($value);
+
+    /**
+     * Decrypts $value with the defined settings
+     *
+     * @param  string $value Data to decrypt
+     * @return string The decrypted data
+     */
+    public function decrypt($value);
+}

library/Zend/Filter/Encrypt/Mcrypt.php

@@ -0,0 +1,364 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Encrypt_Interface
+ */
+require_once 'Zend/Filter/Encrypt/Interface.php';
+
+/**
+ * Encryption adapter for mcrypt
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Encrypt_Mcrypt implements Zend_Filter_Encrypt_Interface
+{
+    /**
+     * Definitions for encryption
+     * array(
+     *     'key' => encryption key string
+     *     'algorithm' => algorithm to use
+     *     'algorithm_directory' => directory where to find the algorithm
+     *     'mode' => encryption mode to use
+     *     'modedirectory' => directory where to find the mode
+     * )
+     */
+    protected $_encryption = array(
+        'key'                 => 'ZendFramework',
+        'algorithm'           => 'blowfish',
+        'algorithm_directory' => '',
+        'mode'                => 'cbc',
+        'mode_directory'      => '',
+        'vector'              => null,
+        'salt'                => false
+    );
+
+    /**
+     * Internal compression
+     *
+     * @var array
+     */
+    protected $_compression;
+
+    protected static $_srandCalled = false;
+
+    /**
+     * Class constructor
+     *
+     * @param string|array|Zend_Config $options Cryption Options
+     */
+    public function __construct($options)
+    {
+        if (!extension_loaded('mcrypt')) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('This filter needs the mcrypt extension');
+        }
+
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } elseif (is_string($options)) {
+            $options = array('key' => $options);
+        } elseif (!is_array($options)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Invalid options argument provided to filter');
+        }
+
+        if (array_key_exists('compression', $options)) {
+            $this->setCompression($options['compression']);
+            unset($options['compress']);
+        }
+
+        $this->setEncryption($options);
+    }
+
+    /**
+     * Returns the set encryption options
+     *
+     * @return array
+     */
+    public function getEncryption()
+    {
+        return $this->_encryption;
+    }
+
+    /**
+     * Sets new encryption options
+     *
+     * @param  string|array $options Encryption options
+     * @return Zend_Filter_File_Encryption
+     */
+    public function setEncryption($options)
+    {
+        if (is_string($options)) {
+            $options = array('key' => $options);
+        }
+
+        if (!is_array($options)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Invalid options argument provided to filter');
+        }
+
+        $options = $options + $this->getEncryption();
+        $algorithms = mcrypt_list_algorithms($options['algorithm_directory']);
+        if (!in_array($options['algorithm'], $algorithms)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("The algorithm '{$options['algorithm']}' is not supported");
+        }
+
+        $modes = mcrypt_list_modes($options['mode_directory']);
+        if (!in_array($options['mode'], $modes)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("The mode '{$options['mode']}' is not supported");
+        }
+
+        if (!mcrypt_module_self_test($options['algorithm'], $options['algorithm_directory'])) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('The given algorithm can not be used due an internal mcrypt problem');
+        }
+
+        if (!isset($options['vector'])) {
+            $options['vector'] = null;
+        }
+
+        $this->_encryption = $options;
+        $this->setVector($options['vector']);
+
+        return $this;
+    }
+
+    /**
+     * Returns the set vector
+     *
+     * @return string
+     */
+    public function getVector()
+    {
+        return $this->_encryption['vector'];
+    }
+
+    /**
+     * Sets the initialization vector
+     *
+     * @param string $vector (Optional) Vector to set
+     * @return Zend_Filter_Encrypt_Mcrypt
+     */
+    public function setVector($vector = null)
+    {
+        $cipher = $this->_openCipher();
+        $size   = mcrypt_enc_get_iv_size($cipher);
+        if (empty($vector)) {
+            $this->_srand();
+            if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' && version_compare(PHP_VERSION, '5.3.0', '<')) {
+                $method = MCRYPT_RAND;
+            } else {
+                if (file_exists('/dev/urandom') || (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN')) {
+                    $method = MCRYPT_DEV_URANDOM;
+                } elseif (file_exists('/dev/random')) {
+                    $method = MCRYPT_DEV_RANDOM;
+                } else {
+                    $method = MCRYPT_RAND;
+                }
+            }
+            $vector = mcrypt_create_iv($size, $method);
+        } else if (strlen($vector) != $size) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('The given vector has a wrong size for the set algorithm');
+        }
+
+        $this->_encryption['vector'] = $vector;
+        $this->_closeCipher($cipher);
+
+        return $this;
+    }
+
+    /**
+     * Returns the compression
+     *
+     * @return array
+     */
+    public function getCompression()
+    {
+        return $this->_compression;
+    }
+
+    /**
+     * Sets a internal compression for values to encrypt
+     *
+     * @param string|array $compression
+     * @return Zend_Filter_Encrypt_Mcrypt
+     */
+    public function setCompression($compression)
+    {
+        if (is_string($this->_compression)) {
+            $compression = array('adapter' => $compression);
+        }
+
+        $this->_compression = $compression;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Encrypts $value with the defined settings
+     *
+     * @param  string $value The content to encrypt
+     * @return string The encrypted content
+     */
+    public function encrypt($value)
+    {
+        // compress prior to encryption
+        if (!empty($this->_compression)) {
+            require_once 'Zend/Filter/Compress.php';
+            $compress = new Zend_Filter_Compress($this->_compression);
+            $value    = $compress->filter($value);
+        }
+
+        $cipher  = $this->_openCipher();
+        $this->_initCipher($cipher);
+        $encrypted = mcrypt_generic($cipher, $value);
+        mcrypt_generic_deinit($cipher);
+        $this->_closeCipher($cipher);
+
+        return $encrypted;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Decrypts $value with the defined settings
+     *
+     * @param  string $value Content to decrypt
+     * @return string The decrypted content
+     */
+    public function decrypt($value)
+    {
+        $cipher = $this->_openCipher();
+        $this->_initCipher($cipher);
+        $decrypted = mdecrypt_generic($cipher, $value);
+        mcrypt_generic_deinit($cipher);
+        $this->_closeCipher($cipher);
+
+        // decompress after decryption
+        if (!empty($this->_compression)) {
+            require_once 'Zend/Filter/Decompress.php';
+            $decompress = new Zend_Filter_Decompress($this->_compression);
+            $decrypted  = $decompress->filter($decrypted);
+        }
+
+        return $decrypted;
+    }
+
+    /**
+     * Returns the adapter name
+     *
+     * @return string
+     */
+    public function toString()
+    {
+        return 'Mcrypt';
+    }
+
+    /**
+     * Open a cipher
+     *
+     * @throws Zend_Filter_Exception When the cipher can not be opened
+     * @return resource Returns the opened cipher
+     */
+    protected function _openCipher()
+    {
+        $cipher = mcrypt_module_open(
+            $this->_encryption['algorithm'],
+            $this->_encryption['algorithm_directory'],
+            $this->_encryption['mode'],
+            $this->_encryption['mode_directory']);
+
+        if ($cipher === false) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Mcrypt can not be opened with your settings');
+        }
+
+        return $cipher;
+    }
+
+    /**
+     * Close a cipher
+     *
+     * @param  resource $cipher Cipher to close
+     * @return Zend_Filter_Encrypt_Mcrypt
+     */
+    protected function _closeCipher($cipher)
+    {
+        mcrypt_module_close($cipher);
+
+        return $this;
+    }
+
+    /**
+     * Initialises the cipher with the set key
+     *
+     * @param  resource $cipher
+     * @throws
+     * @return resource
+     */
+    protected function _initCipher($cipher)
+    {
+        $key = $this->_encryption['key'];
+
+        $keysizes = mcrypt_enc_get_supported_key_sizes($cipher);
+        if (empty($keysizes) || ($this->_encryption['salt'] == true)) {
+            $this->_srand();
+            $keysize = mcrypt_enc_get_key_size($cipher);
+            $key     = substr(md5($key), 0, $keysize);
+        } else if (!in_array(strlen($key), $keysizes)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('The given key has a wrong size for the set algorithm');
+        }
+
+        $result = mcrypt_generic_init($cipher, $key, $this->_encryption['vector']);
+        if ($result < 0) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Mcrypt could not be initialize with the given setting');
+        }
+
+        return $this;
+    }
+
+    /**
+     * _srand() interception
+     *
+     * @see ZF-8742
+     */
+    protected function _srand()
+    {
+        if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
+            return;
+        }
+
+        if (!self::$_srandCalled) {
+            srand((double) microtime() * 1000000);
+            self::$_srandCalled = true;
+        }
+    }
+}

library/Zend/Filter/Encrypt/Openssl.php

@@ -0,0 +1,492 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Encrypt_Interface
+ */
+require_once 'Zend/Filter/Encrypt/Interface.php';
+
+/**
+ * Encryption adapter for openssl
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Encrypt_Openssl implements Zend_Filter_Encrypt_Interface
+{
+    /**
+     * Definitions for encryption
+     * array(
+     *     'public'   => public keys
+     *     'private'  => private keys
+     *     'envelope' => resulting envelope keys
+     * )
+     */
+    protected $_keys = array(
+        'public'   => array(),
+        'private'  => array(),
+        'envelope' => array()
+    );
+
+    /**
+     * Internal passphrase
+     *
+     * @var string
+     */
+    protected $_passphrase;
+
+    /**
+     * Internal compression
+     *
+     * @var array
+     */
+    protected $_compression;
+
+    /**
+     * Internal create package
+     *
+     * @var boolean
+     */
+    protected $_package = false;
+
+    /**
+     * Class constructor
+     * Available options
+     *   'public'      => public key
+     *   'private'     => private key
+     *   'envelope'    => envelope key
+     *   'passphrase'  => passphrase
+     *   'compression' => compress value with this compression adapter
+     *   'package'     => pack envelope keys into encrypted string, simplifies decryption
+     *
+     * @param string|array $options Options for this adapter
+     */
+    public function __construct($options = array())
+    {
+        if (!extension_loaded('openssl')) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('This filter needs the openssl extension');
+        }
+
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        }
+
+        if (!is_array($options)) {
+            $options = array('public' => $options);
+        }
+
+        if (array_key_exists('passphrase', $options)) {
+            $this->setPassphrase($options['passphrase']);
+            unset($options['passphrase']);
+        }
+
+        if (array_key_exists('compression', $options)) {
+            $this->setCompression($options['compression']);
+            unset($options['compress']);
+        }
+
+        if (array_key_exists('package', $options)) {
+            $this->setPackage($options['package']);
+            unset($options['package']);
+        }
+
+        $this->_setKeys($options);
+    }
+
+    /**
+     * Sets the encryption keys
+     *
+     * @param  string|array $keys Key with type association
+     * @return Zend_Filter_Encrypt_Openssl
+     */
+    protected function _setKeys($keys)
+    {
+        if (!is_array($keys)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Invalid options argument provided to filter');
+        }
+
+        foreach ($keys as $type => $key) {
+            if (is_file($key) and is_readable($key)) {
+                $file = fopen($key, 'r');
+                $cert = fread($file, 8192);
+                fclose($file);
+            } else {
+                $cert = $key;
+                $key  = count($this->_keys[$type]);
+            }
+
+            switch ($type) {
+                case 'public':
+                    $test = openssl_pkey_get_public($cert);
+                    if ($test === false) {
+                        require_once 'Zend/Filter/Exception.php';
+                        throw new Zend_Filter_Exception("Public key '{$cert}' not valid");
+                    }
+
+                    openssl_free_key($test);
+                    $this->_keys['public'][$key] = $cert;
+                    break;
+                case 'private':
+                    $test = openssl_pkey_get_private($cert, $this->_passphrase);
+                    if ($test === false) {
+                        require_once 'Zend/Filter/Exception.php';
+                        throw new Zend_Filter_Exception("Private key '{$cert}' not valid");
+                    }
+
+                    openssl_free_key($test);
+                    $this->_keys['private'][$key] = $cert;
+                    break;
+                case 'envelope':
+                    $this->_keys['envelope'][$key] = $cert;
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Returns all public keys
+     *
+     * @return array
+     */
+    public function getPublicKey()
+    {
+        $key = $this->_keys['public'];
+        return $key;
+    }
+
+    /**
+     * Sets public keys
+     *
+     * @param  string|array $key Public keys
+     * @return Zend_Filter_Encrypt_Openssl
+     */
+    public function setPublicKey($key)
+    {
+        if (is_array($key)) {
+            foreach($key as $type => $option) {
+                if ($type !== 'public') {
+                    $key['public'] = $option;
+                    unset($key[$type]);
+                }
+            }
+        } else {
+            $key = array('public' => $key);
+        }
+
+        return $this->_setKeys($key);
+    }
+
+    /**
+     * Returns all private keys
+     *
+     * @return array
+     */
+    public function getPrivateKey()
+    {
+        $key = $this->_keys['private'];
+        return $key;
+    }
+
+    /**
+     * Sets private keys
+     *
+     * @param  string $key Private key
+     * @param  string $passphrase
+     * @return Zend_Filter_Encrypt_Openssl
+     */
+    public function setPrivateKey($key, $passphrase = null)
+    {
+        if (is_array($key)) {
+            foreach($key as $type => $option) {
+                if ($type !== 'private') {
+                    $key['private'] = $option;
+                    unset($key[$type]);
+                }
+            }
+        } else {
+            $key = array('private' => $key);
+        }
+
+        if ($passphrase !== null) {
+            $this->setPassphrase($passphrase);
+        }
+
+        return $this->_setKeys($key);
+    }
+
+    /**
+     * Returns all envelope keys
+     *
+     * @return array
+     */
+    public function getEnvelopeKey()
+    {
+        $key = $this->_keys['envelope'];
+        return $key;
+    }
+
+    /**
+     * Sets envelope keys
+     *
+     * @param  string|array $options Envelope keys
+     * @return Zend_Filter_Encrypt_Openssl
+     */
+    public function setEnvelopeKey($key)
+    {
+        if (is_array($key)) {
+            foreach($key as $type => $option) {
+                if ($type !== 'envelope') {
+                    $key['envelope'] = $option;
+                    unset($key[$type]);
+                }
+            }
+        } else {
+            $key = array('envelope' => $key);
+        }
+
+        return $this->_setKeys($key);
+    }
+
+    /**
+     * Returns the passphrase
+     *
+     * @return string
+     */
+    public function getPassphrase()
+    {
+        return $this->_passphrase;
+    }
+
+    /**
+     * Sets a new passphrase
+     *
+     * @param string $passphrase
+     * @return Zend_Filter_Encrypt_Openssl
+     */
+    public function setPassphrase($passphrase)
+    {
+        $this->_passphrase = $passphrase;
+        return $this;
+    }
+
+    /**
+     * Returns the compression
+     *
+     * @return array
+     */
+    public function getCompression()
+    {
+        return $this->_compression;
+    }
+
+    /**
+     * Sets a internal compression for values to encrypt
+     *
+     * @param string|array $compression
+     * @return Zend_Filter_Encrypt_Openssl
+     */
+    public function setCompression($compression)
+    {
+        if (is_string($this->_compression)) {
+            $compression = array('adapter' => $compression);
+        }
+
+        $this->_compression = $compression;
+        return $this;
+    }
+
+    /**
+     * Returns if header should be packaged
+     *
+     * @return boolean
+     */
+    public function getPackage()
+    {
+        return $this->_package;
+    }
+
+    /**
+     * Sets if the envelope keys should be included in the encrypted value
+     *
+     * @param boolean $package
+     * @return Zend_Filter_Encrypt_Openssl
+     */
+    public function setPackage($package)
+    {
+        $this->_package = (boolean) $package;
+        return $this;
+    }
+
+    /**
+     * Encrypts $value with the defined settings
+     * Note that you also need the "encrypted" keys to be able to decrypt
+     *
+     * @param  string $value Content to encrypt
+     * @return string The encrypted content
+     * @throws Zend_Filter_Exception
+     */
+    public function encrypt($value)
+    {
+        $encrypted     = array();
+        $encryptedkeys = array();
+
+        if (count($this->_keys['public']) == 0) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Openssl can not encrypt without public keys');
+        }
+
+        $keys         = array();
+        $fingerprints = array();
+        $count        = -1;
+        foreach($this->_keys['public'] as $key => $cert) {
+            $keys[$key] = openssl_pkey_get_public($cert);
+            if ($this->_package) {
+                $details = openssl_pkey_get_details($keys[$key]);
+                if ($details === false) {
+                    $details = array('key' => 'ZendFramework');
+                }
+
+                ++$count;
+                $fingerprints[$count] = md5($details['key']);
+            }
+        }
+
+        // compress prior to encryption
+        if (!empty($this->_compression)) {
+            require_once 'Zend/Filter/Compress.php';
+            $compress = new Zend_Filter_Compress($this->_compression);
+            $value    = $compress->filter($value);
+        }
+
+        $crypt  = openssl_seal($value, $encrypted, $encryptedkeys, $keys);
+        foreach ($keys as $key) {
+            openssl_free_key($key);
+        }
+
+        if ($crypt === false) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Openssl was not able to encrypt your content with the given options');
+        }
+
+        $this->_keys['envelope'] = $encryptedkeys;
+
+        // Pack data and envelope keys into single string
+        if ($this->_package) {
+            $header = pack('n', count($this->_keys['envelope']));
+            foreach($this->_keys['envelope'] as $key => $envKey) {
+                $header .= pack('H32n', $fingerprints[$key], strlen($envKey)) . $envKey;
+            }
+
+            $encrypted = $header . $encrypted;
+        }
+
+        return $encrypted;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Decrypts $value with the defined settings
+     *
+     * @param  string $value Content to decrypt
+     * @return string The decrypted content
+     * @throws Zend_Filter_Exception
+     */
+    public function decrypt($value)
+    {
+        $decrypted = "";
+        $envelope  = current($this->getEnvelopeKey());
+
+        if (count($this->_keys['private']) !== 1) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Please give a private key for decryption with Openssl');
+        }
+
+        if (!$this->_package && empty($envelope)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Please give a envelope key for decryption with Openssl');
+        }
+
+        foreach($this->_keys['private'] as $key => $cert) {
+            $keys = openssl_pkey_get_private($cert, $this->getPassphrase());
+        }
+
+        if ($this->_package) {
+            $details = openssl_pkey_get_details($keys);
+            if ($details !== false) {
+                $fingerprint = md5($details['key']);
+            } else {
+                $fingerprint = md5("ZendFramework");
+            }
+
+            $count = unpack('ncount', $value);
+            $count = $count['count'];
+            $length  = 2;
+            for($i = $count; $i > 0; --$i) {
+                $header = unpack('H32print/nsize', substr($value, $length, 18));
+                $length  += 18;
+                if ($header['print'] == $fingerprint) {
+                    $envelope = substr($value, $length, $header['size']);
+                }
+
+                $length += $header['size'];
+            }
+
+            // remainder of string is the value to decrypt
+            $value = substr($value, $length);
+        }
+
+        $crypt  = openssl_open($value, $decrypted, $envelope, $keys);
+        openssl_free_key($keys);
+
+        if ($crypt === false) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Openssl was not able to decrypt you content with the given options');
+        }
+
+        // decompress after decryption
+        if (!empty($this->_compression)) {
+            require_once 'Zend/Filter/Decompress.php';
+            $decompress = new Zend_Filter_Decompress($this->_compression);
+            $decrypted  = $decompress->filter($decrypted);
+        }
+
+        return $decrypted;
+    }
+
+    /**
+     * Returns the adapter name
+     *
+     * @return string
+     */
+    public function toString()
+    {
+        return 'Openssl';
+    }
+}

library/Zend/Filter/Exception.php

@@ -0,0 +1,37 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Exception
+ */
+require_once 'Zend/Exception.php';
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Exception extends Zend_Exception
+{}

library/Zend/Filter/File/Decrypt.php

@@ -0,0 +1,106 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Decrypt
+ */
+require_once 'Zend/Filter/Decrypt.php';
+
+/**
+ * Decrypts a given file and stores the decrypted file content
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_File_Decrypt extends Zend_Filter_Decrypt
+{
+    /**
+     * New filename to set
+     *
+     * @var string
+     */
+    protected $_filename;
+
+    /**
+     * Returns the new filename where the content will be stored
+     *
+     * @return string
+     */
+    public function getFilename()
+    {
+        return $this->_filename;
+    }
+
+    /**
+     * Sets the new filename where the content will be stored
+     *
+     * @param  string $filename (Optional) New filename to set
+     * @return Zend_Filter_File_Encryt
+     */
+    public function setFilename($filename = null)
+    {
+        $this->_filename = $filename;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Decrypts the file $value with the defined settings
+     *
+     * @param  string $value Full path of file to change
+     * @return string The filename which has been set, or false when there were errors
+     */
+    public function filter($value)
+    {
+        if (!file_exists($value)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("File '$value' not found");
+        }
+
+        if (!isset($this->_filename)) {
+            $this->_filename = $value;
+        }
+
+        if (file_exists($this->_filename) and !is_writable($this->_filename)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("File '{$this->_filename}' is not writable");
+        }
+
+        $content = file_get_contents($value);
+        if (!$content) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Problem while reading file '$value'");
+        }
+
+        $decrypted = parent::filter($content);
+        $result    = file_put_contents($this->_filename, $decrypted);
+
+        if (!$result) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Problem while writing file '{$this->_filename}'");
+        }
+
+        return $this->_filename;
+    }
+}

library/Zend/Filter/File/Encrypt.php

@@ -0,0 +1,106 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Encrypt
+ */
+require_once 'Zend/Filter/Encrypt.php';
+
+/**
+ * Encrypts a given file and stores the encrypted file content
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_File_Encrypt extends Zend_Filter_Encrypt
+{
+    /**
+     * New filename to set
+     *
+     * @var string
+     */
+    protected $_filename;
+
+    /**
+     * Returns the new filename where the content will be stored
+     *
+     * @return string
+     */
+    public function getFilename()
+    {
+        return $this->_filename;
+    }
+
+    /**
+     * Sets the new filename where the content will be stored
+     *
+     * @param  string $filename (Optional) New filename to set
+     * @return Zend_Filter_File_Encryt
+     */
+    public function setFilename($filename = null)
+    {
+        $this->_filename = $filename;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Encrypts the file $value with the defined settings
+     *
+     * @param  string $value Full path of file to change
+     * @return string The filename which has been set, or false when there were errors
+     */
+    public function filter($value)
+    {
+        if (!file_exists($value)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("File '$value' not found");
+        }
+
+        if (!isset($this->_filename)) {
+            $this->_filename = $value;
+        }
+
+        if (file_exists($this->_filename) and !is_writable($this->_filename)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("File '{$this->_filename}' is not writable");
+        }
+
+        $content = file_get_contents($value);
+        if (!$content) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Problem while reading file '$value'");
+        }
+
+        $encrypted = parent::filter($content);
+        $result    = file_put_contents($this->_filename, $encrypted);
+
+        if (!$result) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Problem while writing file '{$this->_filename}'");
+        }
+
+        return $this->_filename;
+    }
+}

library/Zend/Filter/File/LowerCase.php

@@ -0,0 +1,84 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_StringToLower
+ */
+require_once 'Zend/Filter/StringToLower.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_File_LowerCase extends Zend_Filter_StringToLower
+{
+    /**
+     * Adds options to the filter at initiation
+     *
+     * @param string $options
+     */
+    public function __construct($options = null)
+    {
+        if (!empty($options)) {
+            $this->setEncoding($options);
+        }
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Does a lowercase on the content of the given file
+     *
+     * @param  string $value Full path of file to change
+     * @return string The given $value
+     * @throws Zend_Filter_Exception
+     */
+    public function filter($value)
+    {
+        if (!file_exists($value)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("File '$value' not found");
+        }
+
+        if (!is_writable($value)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("File '$value' is not writable");
+        }
+
+        $content = file_get_contents($value);
+        if (!$content) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Problem while reading file '$value'");
+        }
+
+        $content = parent::filter($content);
+        $result  = file_put_contents($value, $content);
+
+        if (!$result) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Problem while writing file '$value'");
+        }
+
+        return $value;
+    }
+}

library/Zend/Filter/File/Rename.php

@@ -0,0 +1,304 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_File_Rename implements Zend_Filter_Interface
+{
+    /**
+     * Internal array of array(source, target, overwrite)
+     */
+    protected $_files = array();
+
+    /**
+     * Class constructor
+     *
+     * Options argument may be either a string, a Zend_Config object, or an array.
+     * If an array or Zend_Config object, it accepts the following keys:
+     * 'source'    => Source filename or directory which will be renamed
+     * 'target'    => Target filename or directory, the new name of the sourcefile
+     * 'overwrite' => Shall existing files be overwritten ?
+     *
+     * @param  string|array $options Target file or directory to be renamed
+     * @param  string $target Source filename or directory (deprecated)
+     * @param  bool $overwrite Should existing files be overwritten (deprecated)
+     * @return void
+     */
+    public function __construct($options)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } elseif (is_string($options)) {
+            $options = array('target' => $options);
+        } elseif (!is_array($options)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Invalid options argument provided to filter');
+        }
+
+        if (1 < func_num_args()) {
+            $argv = func_get_args();
+            array_shift($argv);
+            $source    = array_shift($argv);
+            $overwrite = false;
+            if (!empty($argv)) {
+                $overwrite = array_shift($argv);
+            }
+            $options['source']    = $source;
+            $options['overwrite'] = $overwrite;
+        }
+
+        $this->setFile($options);
+    }
+
+    /**
+     * Returns the files to rename and their new name and location
+     *
+     * @return array
+     */
+    public function getFile()
+    {
+        return $this->_files;
+    }
+
+    /**
+     * Sets a new file or directory as target, deleting existing ones
+     *
+     * Array accepts the following keys:
+     * 'source'    => Source filename or directory which will be renamed
+     * 'target'    => Target filename or directory, the new name of the sourcefile
+     * 'overwrite' => Shall existing files be overwritten ?
+     *
+     * @param  string|array $options Old file or directory to be rewritten
+     * @return Zend_Filter_File_Rename
+     */
+    public function setFile($options)
+    {
+        $this->_files = array();
+        $this->addFile($options);
+
+        return $this;
+    }
+
+    /**
+     * Adds a new file or directory as target to the existing ones
+     *
+     * Array accepts the following keys:
+     * 'source'    => Source filename or directory which will be renamed
+     * 'target'    => Target filename or directory, the new name of the sourcefile
+     * 'overwrite' => Shall existing files be overwritten ?
+     *
+     * @param  string|array $options Old file or directory to be rewritten
+     * @return Zend_Filter_File_Rename
+     */
+    public function addFile($options)
+    {
+        if (is_string($options)) {
+            $options = array('target' => $options);
+        } elseif (!is_array($options)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception ('Invalid options to rename filter provided');
+        }
+
+        $this->_convertOptions($options);
+
+        return $this;
+    }
+
+    /**
+     * Returns only the new filename without moving it
+     * But existing files will be erased when the overwrite option is true
+     *
+     * @param  string  $value  Full path of file to change
+     * @param  boolean $source Return internal informations
+     * @return string The new filename which has been set
+     */
+    public function getNewName($value, $source = false)
+    {
+        $file = $this->_getFileName($value);
+        if ($file['source'] == $file['target']) {
+            return $value;
+        }
+
+        if (!file_exists($file['source'])) {
+            return $value;
+        }
+
+        if (($file['overwrite'] == true) && (file_exists($file['target']))) {
+            unlink($file['target']);
+        }
+
+        if (file_exists($file['target'])) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception(sprintf("File '%s' could not be renamed. It already exists.", $value));
+        }
+
+        if ($source) {
+            return $file;
+        }
+
+        return $file['target'];
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Renames the file $value to the new name set before
+     * Returns the file $value, removing all but digit characters
+     *
+     * @param  string $value Full path of file to change
+     * @throws Zend_Filter_Exception
+     * @return string The new filename which has been set, or false when there were errors
+     */
+    public function filter($value)
+    {
+        $file   = $this->getNewName($value, true);
+        if (is_string($file)) {
+            return $file;
+        }
+
+        $result = rename($file['source'], $file['target']);
+
+        if ($result === true) {
+            return $file['target'];
+        }
+
+        require_once 'Zend/Filter/Exception.php';
+        throw new Zend_Filter_Exception(sprintf("File '%s' could not be renamed. An error occured while processing the file.", $value));
+    }
+
+    /**
+     * Internal method for creating the file array
+     * Supports single and nested arrays
+     *
+     * @param  array $options
+     * @return array
+     */
+    protected function _convertOptions($options) {
+        $files = array();
+        foreach ($options as $key => $value) {
+            if (is_array($value)) {
+                $this->_convertOptions($value);
+                continue;
+            }
+
+            switch ($key) {
+                case "source":
+                    $files['source'] = (string) $value;
+                    break;
+
+                case 'target' :
+                    $files['target'] = (string) $value;
+                    break;
+
+                case 'overwrite' :
+                    $files['overwrite'] = (boolean) $value;
+                    break;
+
+                default:
+                    break;
+            }
+        }
+
+        if (empty($files)) {
+            return $this;
+        }
+
+        if (empty($files['source'])) {
+            $files['source'] = '*';
+        }
+
+        if (empty($files['target'])) {
+            $files['target'] = '*';
+        }
+
+        if (empty($files['overwrite'])) {
+            $files['overwrite'] = false;
+        }
+
+        $found = false;
+        foreach ($this->_files as $key => $value) {
+            if ($value['source'] == $files['source']) {
+                $this->_files[$key] = $files;
+                $found              = true;
+            }
+        }
+
+        if (!$found) {
+            $count                = count($this->_files);
+            $this->_files[$count] = $files;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Internal method to resolve the requested source
+     * and return all other related parameters
+     *
+     * @param  string $file Filename to get the informations for
+     * @return array
+     */
+    protected function _getFileName($file)
+    {
+        $rename = array();
+        foreach ($this->_files as $value) {
+            if ($value['source'] == '*') {
+                if (!isset($rename['source'])) {
+                    $rename           = $value;
+                    $rename['source'] = $file;
+                }
+            }
+
+            if ($value['source'] == $file) {
+                $rename = $value;
+            }
+        }
+
+        if (!isset($rename['source'])) {
+            return $file;
+        }
+
+        if (!isset($rename['target']) or ($rename['target'] == '*')) {
+            $rename['target'] = $rename['source'];
+        }
+
+        if (is_dir($rename['target'])) {
+            $name = basename($rename['source']);
+            $last = $rename['target'][strlen($rename['target']) - 1];
+            if (($last != '/') and ($last != '\\')) {
+                $rename['target'] .= DIRECTORY_SEPARATOR;
+            }
+
+            $rename['target'] .= $name;
+        }
+
+        return $rename;
+    }
+}

library/Zend/Filter/File/UpperCase.php

@@ -0,0 +1,84 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_StringToUpper
+ */
+require_once 'Zend/Filter/StringToUpper.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_File_UpperCase extends Zend_Filter_StringToUpper
+{
+    /**
+     * Adds options to the filter at initiation
+     *
+     * @param string $options
+     */
+    public function __construct($options = null)
+    {
+        if (!empty($options)) {
+            $this->setEncoding($options);
+        }
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Does a lowercase on the content of the given file
+     *
+     * @param  string $value Full path of file to change
+     * @return string The given $value
+     * @throws Zend_Filter_Exception
+     */
+    public function filter($value)
+    {
+        if (!file_exists($value)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("File '$value' not found");
+        }
+
+        if (!is_writable($value)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("File '$value' is not writable");
+        }
+
+        $content = file_get_contents($value);
+        if (!$content) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Problem while reading file '$value'");
+        }
+
+        $content = parent::filter($content);
+        $result  = file_put_contents($value, $content);
+
+        if (!$result) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception("Problem while writing file '$value'");
+        }
+
+        return $value;
+    }
+}

library/Zend/Filter/HtmlEntities.php

@@ -0,0 +1,202 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_HtmlEntities implements Zend_Filter_Interface
+{
+    /**
+     * Corresponds to the second htmlentities() argument
+     *
+     * @var integer
+     */
+    protected $_quoteStyle;
+
+    /**
+     * Corresponds to the third htmlentities() argument
+     *
+     * @var string
+     */
+    protected $_encoding;
+
+    /**
+     * Corresponds to the forth htmlentities() argument
+     *
+     * @var unknown_type
+     */
+    protected $_doubleQuote;
+
+    /**
+     * Sets filter options
+     *
+     * @param  integer|array $quoteStyle
+     * @param  string  $charSet
+     * @return void
+     */
+    public function __construct($options = array())
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } else if (!is_array($options)) {
+            $options = func_get_args();
+            $temp['quotestyle'] = array_shift($options);
+            if (!empty($options)) {
+                $temp['charset'] = array_shift($options);
+            }
+
+            $options = $temp;
+        }
+
+        if (!isset($options['quotestyle'])) {
+            $options['quotestyle'] = ENT_COMPAT;
+        }
+
+        if (!isset($options['encoding'])) {
+            $options['encoding'] = 'UTF-8';
+        }
+        if (isset($options['charset'])) {
+            $options['encoding'] = $options['charset'];
+        }
+
+        if (!isset($options['doublequote'])) {
+            $options['doublequote'] = true;
+        }
+
+        $this->setQuoteStyle($options['quotestyle']);
+        $this->setEncoding($options['encoding']);
+        $this->setDoubleQuote($options['doublequote']);
+    }
+
+    /**
+     * Returns the quoteStyle option
+     *
+     * @return integer
+     */
+    public function getQuoteStyle()
+    {
+        return $this->_quoteStyle;
+    }
+
+    /**
+     * Sets the quoteStyle option
+     *
+     * @param  integer $quoteStyle
+     * @return Zend_Filter_HtmlEntities Provides a fluent interface
+     */
+    public function setQuoteStyle($quoteStyle)
+    {
+        $this->_quoteStyle = $quoteStyle;
+        return $this;
+    }
+
+
+    /**
+     * Get encoding
+     *
+     * @return string
+     */
+    public function getEncoding()
+    {
+         return $this->_encoding;
+    }
+
+    /**
+     * Set encoding
+     *
+     * @param  string $value
+     * @return Zend_Filter_HtmlEntities
+     */
+    public function setEncoding($value)
+    {
+        $this->_encoding = (string) $value;
+        return $this;
+    }
+
+    /**
+     * Returns the charSet option
+     *
+     * Proxies to {@link getEncoding()}
+     *
+     * @return string
+     */
+    public function getCharSet()
+    {
+        return $this->getEncoding();
+    }
+
+    /**
+     * Sets the charSet option
+     *
+     * Proxies to {@link setEncoding()}
+     *
+     * @param  string $charSet
+     * @return Zend_Filter_HtmlEntities Provides a fluent interface
+     */
+    public function setCharSet($charSet)
+    {
+        return $this->setEncoding($charSet);
+    }
+
+    /**
+     * Returns the doubleQuote option
+     *
+     * @return boolean
+     */
+    public function getDoubleQuote()
+    {
+        return $this->_doubleQuote;
+    }
+
+    /**
+     * Sets the doubleQuote option
+     *
+     * @param boolean $doubleQuote
+     * @return Zend_Filter_HtmlEntities Provides a fluent interface
+     */
+    public function setDoubleQuote($doubleQuote)
+    {
+        $this->_doubleQuote = (boolean) $doubleQuote;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns the string $value, converting characters to their corresponding HTML entity
+     * equivalents where they exist
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        return htmlentities((string) $value, $this->getQuoteStyle(), $this->getEncoding(), $this->getDoubleQuote());
+    }
+}

library/Zend/Filter/Inflector.php

@@ -0,0 +1,527 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter.php';
+
+/**
+ * @see Zend_Loader_PluginLoader
+ */
+require_once 'Zend/Loader/PluginLoader.php';
+
+/**
+ * Filter chain for string inflection
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Inflector implements Zend_Filter_Interface
+{
+    /**
+     * @var Zend_Loader_PluginLoader_Interface
+     */
+    protected $_pluginLoader = null;
+
+    /**
+     * @var string
+     */
+    protected $_target = null;
+
+    /**
+     * @var bool
+     */
+    protected $_throwTargetExceptionsOn = true;
+
+    /**
+     * @var string
+     */
+    protected $_targetReplacementIdentifier = ':';
+
+    /**
+     * @var array
+     */
+    protected $_rules = array();
+
+    /**
+     * Constructor
+     *
+     * @param string|array $options Options to set
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } else if (!is_array($options)) {
+            $options = func_get_args();
+            $temp    = array();
+
+            if (!empty($options)) {
+                $temp['target'] = array_shift($options);
+            }
+
+            if (!empty($options)) {
+                $temp['rules'] = array_shift($options);
+            }
+
+            if (!empty($options)) {
+                $temp['throwTargetExceptionsOn'] = array_shift($options);
+            }
+
+            if (!empty($options)) {
+                $temp['targetReplacementIdentifier'] = array_shift($options);
+            }
+
+            $options = $temp;
+        }
+
+        $this->setOptions($options);
+    }
+
+    /**
+     * Retreive PluginLoader
+     *
+     * @return Zend_Loader_PluginLoader_Interface
+     */
+    public function getPluginLoader()
+    {
+        if (!$this->_pluginLoader instanceof Zend_Loader_PluginLoader_Interface) {
+            $this->_pluginLoader = new Zend_Loader_PluginLoader(array('Zend_Filter_' => 'Zend/Filter/'), __CLASS__);
+        }
+
+        return $this->_pluginLoader;
+    }
+
+    /**
+     * Set PluginLoader
+     *
+     * @param Zend_Loader_PluginLoader_Interface $pluginLoader
+     * @return Zend_Filter_Inflector
+     */
+    public function setPluginLoader(Zend_Loader_PluginLoader_Interface $pluginLoader)
+    {
+        $this->_pluginLoader = $pluginLoader;
+        return $this;
+    }
+
+    /**
+     * Use Zend_Config object to set object state
+     *
+     * @deprecated Use setOptions() instead
+     * @param  Zend_Config $config
+     * @return Zend_Filter_Inflector
+     */
+    public function setConfig(Zend_Config $config)
+    {
+        return $this->setOptions($config);
+    }
+
+    /**
+     * Set options
+     *
+     * @param  array $options
+     * @return Zend_Filter_Inflector
+     */
+    public function setOptions($options) {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        }
+
+        // Set Präfix Path
+        if (array_key_exists('filterPrefixPath', $options)) {
+            if (!is_scalar($options['filterPrefixPath'])) {
+                foreach ($options['filterPrefixPath'] as $prefix => $path) {
+                    $this->addFilterPrefixPath($prefix, $path);
+                }
+            }
+        }
+
+        if (array_key_exists('throwTargetExceptionsOn', $options)) {
+            $this->setThrowTargetExceptionsOn($options['throwTargetExceptionsOn']);
+        }
+
+        if (array_key_exists('targetReplacementIdentifier', $options)) {
+            $this->setTargetReplacementIdentifier($options['targetReplacementIdentifier']);
+        }
+
+        if (array_key_exists('target', $options)) {
+            $this->setTarget($options['target']);
+        }
+
+        if (array_key_exists('rules', $options)) {
+            $this->addRules($options['rules']);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Convienence method to add prefix and path to PluginLoader
+     *
+     * @param string $prefix
+     * @param string $path
+     * @return Zend_Filter_Inflector
+     */
+    public function addFilterPrefixPath($prefix, $path)
+    {
+        $this->getPluginLoader()->addPrefixPath($prefix, $path);
+        return $this;
+    }
+
+    /**
+     * Set Whether or not the inflector should throw an exception when a replacement
+     * identifier is still found within an inflected target.
+     *
+     * @param bool $throwTargetExceptions
+     * @return Zend_Filter_Inflector
+     */
+    public function setThrowTargetExceptionsOn($throwTargetExceptionsOn)
+    {
+        $this->_throwTargetExceptionsOn = ($throwTargetExceptionsOn == true) ? true : false;
+        return $this;
+    }
+
+    /**
+     * Will exceptions be thrown?
+     *
+     * @return bool
+     */
+    public function isThrowTargetExceptionsOn()
+    {
+        return $this->_throwTargetExceptionsOn;
+    }
+
+    /**
+     * Set the Target Replacement Identifier, by default ':'
+     *
+     * @param string $targetReplacementIdentifier
+     * @return Zend_Filter_Inflector
+     */
+    public function setTargetReplacementIdentifier($targetReplacementIdentifier)
+    {
+        if ($targetReplacementIdentifier) {
+            $this->_targetReplacementIdentifier = (string) $targetReplacementIdentifier;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get Target Replacement Identifier
+     *
+     * @return string
+     */
+    public function getTargetReplacementIdentifier()
+    {
+        return $this->_targetReplacementIdentifier;
+    }
+
+    /**
+     * Set a Target
+     * ex: 'scripts/:controller/:action.:suffix'
+     *
+     * @param string
+     * @return Zend_Filter_Inflector
+     */
+    public function setTarget($target)
+    {
+        $this->_target = (string) $target;
+        return $this;
+    }
+
+    /**
+     * Retrieve target
+     *
+     * @return string
+     */
+    public function getTarget()
+    {
+        return $this->_target;
+    }
+
+    /**
+     * Set Target Reference
+     *
+     * @param reference $target
+     * @return Zend_Filter_Inflector
+     */
+    public function setTargetReference(&$target)
+    {
+        $this->_target =& $target;
+        return $this;
+    }
+
+    /**
+     * SetRules() is the same as calling addRules() with the exception that it
+     * clears the rules before adding them.
+     *
+     * @param array $rules
+     * @return Zend_Filter_Inflector
+     */
+    public function setRules(Array $rules)
+    {
+        $this->clearRules();
+        $this->addRules($rules);
+        return $this;
+    }
+
+    /**
+     * AddRules(): multi-call to setting filter rules.
+     *
+     * If prefixed with a ":" (colon), a filter rule will be added.  If not
+     * prefixed, a static replacement will be added.
+     *
+     * ex:
+     * array(
+     *     ':controller' => array('CamelCaseToUnderscore','StringToLower'),
+     *     ':action'     => array('CamelCaseToUnderscore','StringToLower'),
+     *     'suffix'      => 'phtml'
+     *     );
+     *
+     * @param array
+     * @return Zend_Filter_Inflector
+     */
+    public function addRules(Array $rules)
+    {
+        $keys = array_keys($rules);
+        foreach ($keys as $spec) {
+            if ($spec[0] == ':') {
+                $this->addFilterRule($spec, $rules[$spec]);
+            } else {
+                $this->setStaticRule($spec, $rules[$spec]);
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get rules
+     *
+     * By default, returns all rules. If a $spec is provided, will return those
+     * rules if found, false otherwise.
+     *
+     * @param  string $spec
+     * @return array|false
+     */
+    public function getRules($spec = null)
+    {
+        if (null !== $spec) {
+            $spec = $this->_normalizeSpec($spec);
+            if (isset($this->_rules[$spec])) {
+                return $this->_rules[$spec];
+            }
+            return false;
+        }
+
+        return $this->_rules;
+    }
+
+    /**
+     * getRule() returns a rule set by setFilterRule(), a numeric index must be provided
+     *
+     * @param string $spec
+     * @param int $index
+     * @return Zend_Filter_Interface|false
+     */
+    public function getRule($spec, $index)
+    {
+        $spec = $this->_normalizeSpec($spec);
+        if (isset($this->_rules[$spec]) && is_array($this->_rules[$spec])) {
+            if (isset($this->_rules[$spec][$index])) {
+                return $this->_rules[$spec][$index];
+            }
+        }
+        return false;
+    }
+
+    /**
+     * ClearRules() clears the rules currently in the inflector
+     *
+     * @return Zend_Filter_Inflector
+     */
+    public function clearRules()
+    {
+        $this->_rules = array();
+        return $this;
+    }
+
+    /**
+     * Set a filtering rule for a spec.  $ruleSet can be a string, Filter object
+     * or an array of strings or filter objects.
+     *
+     * @param string $spec
+     * @param array|string|Zend_Filter_Interface $ruleSet
+     * @return Zend_Filter_Inflector
+     */
+    public function setFilterRule($spec, $ruleSet)
+    {
+        $spec = $this->_normalizeSpec($spec);
+        $this->_rules[$spec] = array();
+        return $this->addFilterRule($spec, $ruleSet);
+    }
+
+    /**
+     * Add a filter rule for a spec
+     *
+     * @param mixed $spec
+     * @param mixed $ruleSet
+     * @return void
+     */
+    public function addFilterRule($spec, $ruleSet)
+    {
+        $spec = $this->_normalizeSpec($spec);
+        if (!isset($this->_rules[$spec])) {
+            $this->_rules[$spec] = array();
+        }
+
+        if (!is_array($ruleSet)) {
+            $ruleSet = array($ruleSet);
+        }
+
+        if (is_string($this->_rules[$spec])) {
+            $temp = $this->_rules[$spec];
+            $this->_rules[$spec] = array();
+            $this->_rules[$spec][] = $temp;
+        }
+
+        foreach ($ruleSet as $rule) {
+            $this->_rules[$spec][] = $this->_getRule($rule);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Set a static rule for a spec.  This is a single string value
+     *
+     * @param string $name
+     * @param string $value
+     * @return Zend_Filter_Inflector
+     */
+    public function setStaticRule($name, $value)
+    {
+        $name = $this->_normalizeSpec($name);
+        $this->_rules[$name] = (string) $value;
+        return $this;
+    }
+
+    /**
+     * Set Static Rule Reference.
+     *
+     * This allows a consuming class to pass a property or variable
+     * in to be referenced when its time to build the output string from the
+     * target.
+     *
+     * @param string $name
+     * @param mixed $reference
+     * @return Zend_Filter_Inflector
+     */
+    public function setStaticRuleReference($name, &$reference)
+    {
+        $name = $this->_normalizeSpec($name);
+        $this->_rules[$name] =& $reference;
+        return $this;
+    }
+
+    /**
+     * Inflect
+     *
+     * @param  string|array $source
+     * @return string
+     */
+    public function filter($source)
+    {
+        // clean source
+        foreach ( (array) $source as $sourceName => $sourceValue) {
+            $source[ltrim($sourceName, ':')] = $sourceValue;
+        }
+
+        $pregQuotedTargetReplacementIdentifier = preg_quote($this->_targetReplacementIdentifier, '#');
+        $processedParts = array();
+
+        foreach ($this->_rules as $ruleName => $ruleValue) {
+            if (isset($source[$ruleName])) {
+                if (is_string($ruleValue)) {
+                    // overriding the set rule
+                    $processedParts['#'.$pregQuotedTargetReplacementIdentifier.$ruleName.'#'] = str_replace('\\', '\\\\', $source[$ruleName]);
+                } elseif (is_array($ruleValue)) {
+                    $processedPart = $source[$ruleName];
+                    foreach ($ruleValue as $ruleFilter) {
+                        $processedPart = $ruleFilter->filter($processedPart);
+                    }
+                    $processedParts['#'.$pregQuotedTargetReplacementIdentifier.$ruleName.'#'] = str_replace('\\', '\\\\', $processedPart);
+                }
+            } elseif (is_string($ruleValue)) {
+                $processedParts['#'.$pregQuotedTargetReplacementIdentifier.$ruleName.'#'] = str_replace('\\', '\\\\', $ruleValue);
+            }
+        }
+
+        // all of the values of processedParts would have been str_replace('\\', '\\\\', ..)'d to disable preg_replace backreferences
+        $inflectedTarget = preg_replace(array_keys($processedParts), array_values($processedParts), $this->_target);
+
+        if ($this->_throwTargetExceptionsOn && (preg_match('#(?='.$pregQuotedTargetReplacementIdentifier.'[A-Za-z]{1})#', $inflectedTarget) == true)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('A replacement identifier ' . $this->_targetReplacementIdentifier . ' was found inside the inflected target, perhaps a rule was not satisfied with a target source?  Unsatisfied inflected target: ' . $inflectedTarget);
+        }
+
+        return $inflectedTarget;
+    }
+
+    /**
+     * Normalize spec string
+     *
+     * @param  string $spec
+     * @return string
+     */
+    protected function _normalizeSpec($spec)
+    {
+        return ltrim((string) $spec, ':&');
+    }
+
+    /**
+     * Resolve named filters and convert them to filter objects.
+     *
+     * @param  string $rule
+     * @return Zend_Filter_Interface
+     */
+    protected function _getRule($rule)
+    {
+        if ($rule instanceof Zend_Filter_Interface) {
+            return $rule;
+        }
+
+        $rule = (string) $rule;
+
+        $className  = $this->getPluginLoader()->load($rule);
+        $ruleObject = new $className();
+        if (!$ruleObject instanceof Zend_Filter_Interface) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('No class named ' . $rule . ' implementing Zend_Filter_Interface could be found');
+        }
+
+        return $ruleObject;
+    }
+}

library/Zend/Filter/Int.php

@@ -0,0 +1,50 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Int implements Zend_Filter_Interface
+{
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns (int) $value
+     *
+     * @param  string $value
+     * @return integer
+     */
+    public function filter($value)
+    {
+        return (int) ((string) $value);
+    }
+}

library/Zend/Filter/Interface.php

@@ -0,0 +1,40 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+interface Zend_Filter_Interface
+{
+    /**
+     * Returns the result of filtering $value
+     *
+     * @param  mixed $value
+     * @throws Zend_Filter_Exception If filtering $value is impossible
+     * @return mixed
+     */
+    public function filter($value);
+}

library/Zend/Filter/LocalizedToNormalized.php

@@ -0,0 +1,112 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @see Zend_Loader
+ */
+require_once 'Zend/Locale/Format.php';
+
+/**
+ * Normalizes given localized input
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_LocalizedToNormalized implements Zend_Filter_Interface
+{
+    /**
+     * Set options
+     * @var array
+     */
+    protected $_options = array(
+        'locale'      => null,
+        'date_format' => null,
+        'precision'   => null
+    );
+
+    /**
+     * Class constructor
+     *
+     * @param string|Zend_Locale $locale (Optional) Locale to set
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        }
+
+        if (null !== $options) {
+            $this->setOptions($options);
+        }
+    }
+
+    /**
+     * Returns the set options
+     *
+     * @return array
+     */
+    public function getOptions()
+    {
+        return $this->_options;
+    }
+
+    /**
+     * Sets options to use
+     *
+     * @param  array $options (Optional) Options to use
+     * @return Zend_Filter_LocalizedToNormalized
+     */
+    public function setOptions(array $options = null)
+    {
+        $this->_options = $options + $this->_options;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Normalizes the given input
+     *
+     * @param  string $value Value to normalized
+     * @return string|array The normalized value
+     */
+    public function filter($value)
+    {
+        if (Zend_Locale_Format::isNumber($value, $this->_options)) {
+            return Zend_Locale_Format::getNumber($value, $this->_options);
+        } else if (($this->_options['date_format'] === null) && (strpos($value, ':') !== false)) {
+            // Special case, no date format specified, detect time input
+            return Zend_Locale_Format::getTime($value, $this->_options);
+        } else if (Zend_Locale_Format::checkDateFormat($value, $this->_options)) {
+            // Detect date or time input
+            return Zend_Locale_Format::getDate($value, $this->_options);
+        }
+
+        return $value;
+    }
+}

library/Zend/Filter/NormalizedToLocalized.php

@@ -0,0 +1,111 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @see Zend_Loader
+ */
+require_once 'Zend/Locale/Format.php';
+
+/**
+ * Localizes given normalized input
+ *
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_NormalizedToLocalized implements Zend_Filter_Interface
+{
+    /**
+     * Set options
+     */
+    protected $_options = array(
+        'locale'      => null,
+        'date_format' => null,
+        'precision'   => null
+    );
+
+    /**
+     * Class constructor
+     *
+     * @param string|Zend_Locale $locale (Optional) Locale to set
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        }
+
+        if (null !== $options) {
+            $this->setOptions($options);
+        }
+    }
+
+    /**
+     * Returns the set options
+     *
+     * @return array
+     */
+    public function getOptions()
+    {
+        return $this->_options;
+    }
+
+    /**
+     * Sets options to use
+     *
+     * @param  array $options (Optional) Options to use
+     * @return Zend_Filter_LocalizedToNormalized
+     */
+    public function setOptions(array $options = null)
+    {
+        $this->_options = $options + $this->_options;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Normalizes the given input
+     *
+     * @param  string $value Value to normalized
+     * @return string|array The normalized value
+     */
+    public function filter($value)
+    {
+        if (is_array($value)) {
+            require_once 'Zend/Date.php';
+            $date = new Zend_Date($value, $this->_options['locale']);
+            return $date->toString($this->_options['date_format']);
+        } else if ($this->_options['precision'] === 0) {
+            return Zend_Locale_Format::toInteger($value, $this->_options);
+        } else if ($this->_options['precision'] === null) {
+            return Zend_Locale_Format::toFloat($value, $this->_options);
+        }
+
+        return Zend_Locale_Format::toNumber($value, $this->_options);
+    }
+}

library/Zend/Filter/Null.php

@@ -0,0 +1,183 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Null implements Zend_Filter_Interface
+{
+    const BOOLEAN      = 1;
+    const INTEGER      = 2;
+    const EMPTY_ARRAY  = 4;
+    const STRING       = 8;
+    const ZERO         = 16;
+    const ALL          = 31;
+
+    protected $_constants = array(
+        self::BOOLEAN     => 'boolean',
+        self::INTEGER     => 'integer',
+        self::EMPTY_ARRAY => 'array',
+        self::STRING      => 'string',
+        self::ZERO        => 'zero',
+        self::ALL         => 'all'
+    );
+
+    /**
+     * Internal type to detect
+     *
+     * @var integer
+     */
+    protected $_type = self::ALL;
+
+    /**
+     * Constructor
+     *
+     * @param string|array|Zend_Config $options OPTIONAL
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } else if (!is_array($options)) {
+            $options = func_get_args();
+            $temp    = array();
+            if (!empty($options)) {
+                $temp = array_shift($options);
+            }
+            $options = $temp;
+        } else if (is_array($options) && array_key_exists('type', $options)) {
+            $options = $options['type'];
+        }
+
+        if (!empty($options)) {
+            $this->setType($options);
+        }
+    }
+
+    /**
+     * Returns the set null types
+     *
+     * @return array
+     */
+    public function getType()
+    {
+        return $this->_type;
+    }
+
+    /**
+     * Set the null types
+     *
+     * @param  integer|array $type
+     * @throws Zend_Filter_Exception
+     * @return Zend_Filter_Null
+     */
+    public function setType($type = null)
+    {
+        if (is_array($type)) {
+            $detected = 0;
+            foreach($type as $value) {
+                if (is_int($value)) {
+                    $detected += $value;
+                } else if (in_array($value, $this->_constants)) {
+                    $detected += array_search($value, $this->_constants);
+                }
+            }
+
+            $type = $detected;
+        } else if (is_string($type)) {
+            if (in_array($type, $this->_constants)) {
+                $type = array_search($type, $this->_constants);
+            }
+        }
+
+        if (!is_int($type) || ($type < 0) || ($type > self::ALL)) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('Unknown type');
+        }
+
+        $this->_type = $type;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns null representation of $value, if value is empty and matches
+     * types that should be considered null.
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        $type = $this->getType();
+
+        // STRING ZERO ('0')
+        if ($type >= self::ZERO) {
+            $type -= self::ZERO;
+            if (is_string($value) && ($value == '0')) {
+                return null;
+            }
+        }
+
+        // STRING ('')
+        if ($type >= self::STRING) {
+            $type -= self::STRING;
+            if (is_string($value) && ($value == '')) {
+                return null;
+            }
+        }
+
+        // EMPTY_ARRAY (array())
+        if ($type >= self::EMPTY_ARRAY) {
+            $type -= self::EMPTY_ARRAY;
+            if (is_array($value) && ($value == array())) {
+                return null;
+            }
+        }
+
+        // INTEGER (0)
+        if ($type >= self::INTEGER) {
+            $type -= self::INTEGER;
+            if (is_int($value) && ($value == 0)) {
+                return null;
+            }
+        }
+
+        // BOOLEAN (false)
+        if ($type >= self::BOOLEAN) {
+            $type -= self::BOOLEAN;
+            if (is_bool($value) && ($value == false)) {
+                return null;
+            }
+        }
+
+        return $value;
+    }
+}

library/Zend/Filter/PregReplace.php

@@ -0,0 +1,174 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_PregReplace implements Zend_Filter_Interface
+{
+    /**
+     * Pattern to match
+     * @var mixed
+     */
+    protected $_matchPattern = null;
+
+    /**
+     * Replacement pattern
+     * @var mixed
+     */
+    protected $_replacement = '';
+
+    /**
+     * Is unicode enabled?
+     *
+     * @var bool
+     */
+    static protected $_unicodeSupportEnabled = null;
+
+    /**
+     * Is Unicode Support Enabled Utility function
+     *
+     * @return bool
+     */
+    static public function isUnicodeSupportEnabled()
+    {
+        if (self::$_unicodeSupportEnabled === null) {
+            self::_determineUnicodeSupport();
+        }
+
+        return self::$_unicodeSupportEnabled;
+    }
+
+    /**
+     * Method to cache the regex needed to determine if unicode support is available
+     *
+     * @return bool
+     */
+    static protected function _determineUnicodeSupport()
+    {
+        self::$_unicodeSupportEnabled = (@preg_match('/\pL/u', 'a')) ? true : false;
+    }
+
+    /**
+     * Constructor
+     * Supported options are
+     *     'match'   => matching pattern
+     *     'replace' => replace with this
+     *
+     * @param  string|array $options
+     * @return void
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } else if (!is_array($options)) {
+            $options = func_get_args();
+            $temp    = array();
+            if (!empty($options)) {
+                $temp['match'] = array_shift($options);
+            }
+
+            if (!empty($options)) {
+                $temp['replace'] = array_shift($options);
+            }
+
+            $options = $temp;
+        }
+
+        if (array_key_exists('match', $options)) {
+            $this->setMatchPattern($options['match']);
+        }
+
+        if (array_key_exists('replace', $options)) {
+            $this->setReplacement($options['replace']);
+        }
+    }
+
+    /**
+     * Set the match pattern for the regex being called within filter()
+     *
+     * @param mixed $match - same as the first argument of preg_replace
+     * @return Zend_Filter_PregReplace
+     */
+    public function setMatchPattern($match)
+    {
+        $this->_matchPattern = $match;
+        return $this;
+    }
+
+    /**
+     * Get currently set match pattern
+     *
+     * @return string
+     */
+    public function getMatchPattern()
+    {
+        return $this->_matchPattern;
+    }
+
+    /**
+     * Set the Replacement pattern/string for the preg_replace called in filter
+     *
+     * @param mixed $replacement - same as the second argument of preg_replace
+     * @return Zend_Filter_PregReplace
+     */
+    public function setReplacement($replacement)
+    {
+        $this->_replacement = $replacement;
+        return $this;
+    }
+
+    /**
+     * Get currently set replacement value
+     *
+     * @return string
+     */
+    public function getReplacement()
+    {
+        return $this->_replacement;
+    }
+
+    /**
+     * Perform regexp replacement as filter
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        if ($this->_matchPattern == null) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception(get_class($this) . ' does not have a valid MatchPattern set.');
+        }
+
+        return preg_replace($this->_matchPattern, $this->_replacement, $value);
+    }
+
+}

library/Zend/Filter/RealPath.php

@@ -0,0 +1,134 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_RealPath implements Zend_Filter_Interface
+{
+    /**
+     * @var boolean $_pathExists
+     */
+    protected $_exists = true;
+
+    /**
+     * Class constructor
+     *
+     * @param boolean|Zend_Config $options Options to set
+     */
+    public function __construct($options = true)
+    {
+        $this->setExists($options);
+    }
+
+    /**
+     * Returns true if the filtered path must exist
+     *
+     * @return boolean
+     */
+    public function getExists()
+    {
+        return $this->_exists;
+    }
+
+    /**
+     * Sets if the path has to exist
+     * TRUE when the path must exist
+     * FALSE when not existing paths can be given
+     *
+     * @param boolean|Zend_Config $exists Path must exist
+     * @return Zend_Filter_RealPath
+     */
+    public function setExists($exists)
+    {
+        if ($exists instanceof Zend_Config) {
+            $exists = $exists->toArray();
+        }
+
+        if (is_array($exists)) {
+            if (isset($exists['exists'])) {
+                $exists = (boolean) $exists['exists'];
+            }
+        }
+
+        $this->_exists = (boolean) $exists;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns realpath($value)
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        $path = (string) $value;
+        if ($this->_exists) {
+            return realpath($path);
+        }
+
+        $realpath = @realpath($path);
+        if ($realpath) {
+            return $realpath;
+        }
+
+        $drive = '';
+        if (substr(PHP_OS, 0, 3) == 'WIN') {
+            $path = preg_replace('/[\\\\\/]/', DIRECTORY_SEPARATOR, $path);
+            if (preg_match('/([a-zA-Z]\:)(.*)/', $path, $matches)) {
+                list($fullMatch, $drive, $path) = $matches;
+            } else {
+                $cwd   = getcwd();
+                $drive = substr($cwd, 0, 2);
+                if (substr($path, 0, 1) != DIRECTORY_SEPARATOR) {
+                    $path = substr($cwd, 3) . DIRECTORY_SEPARATOR . $path;
+                }
+            }
+        } elseif (substr($path, 0, 1) != DIRECTORY_SEPARATOR) {
+            $path = getcwd() . DIRECTORY_SEPARATOR . $path;
+        }
+
+        $stack = array();
+        $parts = explode(DIRECTORY_SEPARATOR, $path);
+        foreach ($parts as $dir) {
+            if (strlen($dir) && $dir !== '.') {
+                if ($dir == '..') {
+                    array_pop($stack);
+                } else {
+                    array_push($stack, $dir);
+                }
+            }
+        }
+
+        return $drive . DIRECTORY_SEPARATOR . implode(DIRECTORY_SEPARATOR, $stack);
+    }
+}

library/Zend/Filter/StringToLower.php

@@ -0,0 +1,121 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_StringToLower implements Zend_Filter_Interface
+{
+    /**
+     * Encoding for the input string
+     *
+     * @var string
+     */
+    protected $_encoding = null;
+
+    /**
+     * Constructor
+     *
+     * @param string|array|Zend_Config $options OPTIONAL
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } else if (!is_array($options)) {
+            $options = func_get_args();
+            $temp    = array();
+            if (!empty($options)) {
+                $temp['encoding'] = array_shift($options);
+            }
+            $options = $temp;
+        }
+
+        if (!array_key_exists('encoding', $options) && function_exists('mb_internal_encoding')) {
+            $options['encoding'] = mb_internal_encoding();
+        }
+
+        if (array_key_exists('encoding', $options)) {
+            $this->setEncoding($options['encoding']);
+        }
+    }
+
+    /**
+     * Returns the set encoding
+     *
+     * @return string
+     */
+    public function getEncoding()
+    {
+        return $this->_encoding;
+    }
+
+    /**
+     * Set the input encoding for the given string
+     *
+     * @param  string $encoding
+     * @return Zend_Filter_StringToLower Provides a fluent interface
+     * @throws Zend_Filter_Exception
+     */
+    public function setEncoding($encoding = null)
+    {
+        if ($encoding !== null) {
+            if (!function_exists('mb_strtolower')) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception('mbstring is required for this feature');
+            }
+
+            $encoding = (string) $encoding;
+            if (!in_array(strtolower($encoding), array_map('strtolower', mb_list_encodings()))) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception("The given encoding '$encoding' is not supported by mbstring");
+            }
+        }
+
+        $this->_encoding = $encoding;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns the string $value, converting characters to lowercase as necessary
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        if ($this->_encoding !== null) {
+            return mb_strtolower((string) $value, $this->_encoding);
+        }
+
+        return strtolower((string) $value);
+    }
+}

library/Zend/Filter/StringToUpper.php

@@ -0,0 +1,121 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_StringToUpper implements Zend_Filter_Interface
+{
+    /**
+     * Encoding for the input string
+     *
+     * @var string
+     */
+    protected $_encoding = null;
+
+    /**
+     * Constructor
+     *
+     * @param string|array $options OPTIONAL
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } else if (!is_array($options)) {
+            $options = func_get_args();
+            $temp    = array();
+            if (!empty($options)) {
+                $temp['encoding'] = array_shift($options);
+            }
+            $options = $temp;
+        }
+
+        if (!array_key_exists('encoding', $options) && function_exists('mb_internal_encoding')) {
+            $options['encoding'] = mb_internal_encoding();
+        }
+
+        if (array_key_exists('encoding', $options)) {
+            $this->setEncoding($options['encoding']);
+        }
+    }
+
+    /**
+     * Returns the set encoding
+     *
+     * @return string
+     */
+    public function getEncoding()
+    {
+        return $this->_encoding;
+    }
+
+    /**
+     * Set the input encoding for the given string
+     *
+     * @param  string $encoding
+     * @return Zend_Filter_StringToUpper Provides a fluent interface
+     * @throws Zend_Filter_Exception
+     */
+    public function setEncoding($encoding = null)
+    {
+        if ($encoding !== null) {
+            if (!function_exists('mb_strtoupper')) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception('mbstring is required for this feature');
+            }
+
+            $encoding = (string) $encoding;
+            if (!in_array(strtolower($encoding), array_map('strtolower', mb_list_encodings()))) {
+                require_once 'Zend/Filter/Exception.php';
+                throw new Zend_Filter_Exception("The given encoding '$encoding' is not supported by mbstring");
+            }
+        }
+
+        $this->_encoding = $encoding;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns the string $value, converting characters to uppercase as necessary
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        if ($this->_encoding) {
+            return mb_strtoupper((string) $value, $this->_encoding);
+        }
+
+        return strtoupper((string) $value);
+    }
+}

library/Zend/Filter/StringTrim.php

@@ -0,0 +1,124 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_StringTrim implements Zend_Filter_Interface
+{
+    /**
+     * List of characters provided to the trim() function
+     *
+     * If this is null, then trim() is called with no specific character list,
+     * and its default behavior will be invoked, trimming whitespace.
+     *
+     * @var string|null
+     */
+    protected $_charList;
+
+    /**
+     * Sets filter options
+     *
+     * @param  string|array|Zend_Config $options
+     * @return void
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } else if (!is_array($options)) {
+            $options          = func_get_args();
+            $temp['charlist'] = array_shift($options);
+            $options          = $temp;
+        }
+
+        if (array_key_exists('charlist', $options)) {
+            $this->setCharList($options['charlist']);
+        }
+    }
+
+    /**
+     * Returns the charList option
+     *
+     * @return string|null
+     */
+    public function getCharList()
+    {
+        return $this->_charList;
+    }
+
+    /**
+     * Sets the charList option
+     *
+     * @param  string|null $charList
+     * @return Zend_Filter_StringTrim Provides a fluent interface
+     */
+    public function setCharList($charList)
+    {
+        $this->_charList = $charList;
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns the string $value with characters stripped from the beginning and end
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        if (null === $this->_charList) {
+            return $this->_unicodeTrim((string) $value);
+        } else {
+            return $this->_unicodeTrim((string) $value, $this->_charList);
+        }
+    }
+
+    /**
+     * Unicode aware trim method
+     * Fixes a PHP problem
+     *
+     * @param string $value
+     * @param string $charlist
+     * @return string
+     */
+    protected function _unicodeTrim($value, $charlist = '\\\\s')
+    {
+        $chars = preg_replace(
+            array( '/[\^\-\]\\\]/S', '/\\\{4}/S', '/\//'),
+            array( '\\\\\\0', '\\', '\/' ),
+            $charlist
+        );
+
+        $pattern = '^[' . $chars . ']*|[' . $chars . ']*$';
+        return preg_replace("/$pattern/sSD", '', $value);
+    }
+}

library/Zend/Filter/StripNewlines.php

@@ -0,0 +1,48 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_StripNewlines implements Zend_Filter_Interface
+{
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns $value without newline control characters
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter ($value)
+    {
+        return str_replace(array("\n", "\r"), '', $value);
+    }
+}

library/Zend/Filter/StripTags.php

@@ -0,0 +1,352 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Interface.php';
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_StripTags implements Zend_Filter_Interface
+{
+    /**
+     * Unique ID prefix used for allowing comments
+     */
+    const UNIQUE_ID_PREFIX = '__Zend_Filter_StripTags__';
+
+    /**
+     * Whether comments are allowed
+     *
+     * If false (the default), then comments are removed from the input string.
+     *
+     * This setting is now deprecated, and ignored internally.
+     *
+     * @deprecated
+     * @var boolean
+     */
+    public $commentsAllowed = false;
+
+    /**
+     * Array of allowed tags and allowed attributes for each allowed tag
+     *
+     * Tags are stored in the array keys, and the array values are themselves
+     * arrays of the attributes allowed for the corresponding tag.
+     *
+     * @var array
+     */
+    protected $_tagsAllowed = array();
+
+    /**
+     * Array of allowed attributes for all allowed tags
+     *
+     * Attributes stored here are allowed for all of the allowed tags.
+     *
+     * @var array
+     */
+    protected $_attributesAllowed = array();
+
+    /**
+     * Sets the filter options
+     * Allowed options are
+     *     'allowTags'     => Tags which are allowed
+     *     'allowAttribs'  => Attributes which are allowed
+     *     'allowComments' => Are comments allowed ?
+     *
+     * @param  string|array|Zend_Config $options
+     * @return void
+     */
+    public function __construct($options = null)
+    {
+        if ($options instanceof Zend_Config) {
+            $options = $options->toArray();
+        } else if ((!is_array($options)) || (is_array($options) && !array_key_exists('allowTags', $options) &&
+            !array_key_exists('allowAttribs', $options) && !array_key_exists('allowComments', $options))) {
+            $options = func_get_args();
+            $temp['allowTags'] = array_shift($options);
+            if (!empty($options)) {
+                $temp['allowAttribs'] = array_shift($options);
+            }
+
+            if (!empty($options)) {
+                $temp['allowComments'] = array_shift($options);
+            }
+
+            $options = $temp;
+        }
+
+        if (array_key_exists('allowTags', $options)) {
+            $this->setTagsAllowed($options['allowTags']);
+        }
+
+        if (array_key_exists('allowAttribs', $options)) {
+            $this->setAttributesAllowed($options['allowAttribs']);
+        }
+
+        if (array_key_exists('allowComments', $options)) {
+            $this->setCommentsAllowed($options['allowComments']);
+        }
+    }
+
+    /**
+     * Returns the commentsAllowed option
+     *
+     * This setting is now deprecated and ignored internally.
+     *
+     * @deprecated
+     * @return bool
+     */
+    public function getCommentsAllowed()
+    {
+        return $this->commentsAllowed;
+    }
+
+    /**
+     * Sets the commentsAllowed option
+     *
+     * This setting is now deprecated and ignored internally.
+     *
+     * @deprecated
+     * @param  boolean $commentsAllowed
+     * @return Zend_Filter_StripTags Provides a fluent interface
+     */
+    public function setCommentsAllowed($commentsAllowed)
+    {
+       $this->commentsAllowed = (boolean) $commentsAllowed;
+       return $this;
+    }
+
+    /**
+     * Returns the tagsAllowed option
+     *
+     * @return array
+     */
+    public function getTagsAllowed()
+    {
+        return $this->_tagsAllowed;
+    }
+
+    /**
+     * Sets the tagsAllowed option
+     *
+     * @param  array|string $tagsAllowed
+     * @return Zend_Filter_StripTags Provides a fluent interface
+     */
+    public function setTagsAllowed($tagsAllowed)
+    {
+        if (!is_array($tagsAllowed)) {
+            $tagsAllowed = array($tagsAllowed);
+        }
+
+        foreach ($tagsAllowed as $index => $element) {
+            // If the tag was provided without attributes
+            if (is_int($index) && is_string($element)) {
+                // Canonicalize the tag name
+                $tagName = strtolower($element);
+                // Store the tag as allowed with no attributes
+                $this->_tagsAllowed[$tagName] = array();
+            }
+            // Otherwise, if a tag was provided with attributes
+            else if (is_string($index) && (is_array($element) || is_string($element))) {
+                // Canonicalize the tag name
+                $tagName = strtolower($index);
+                // Canonicalize the attributes
+                if (is_string($element)) {
+                    $element = array($element);
+                }
+                // Store the tag as allowed with the provided attributes
+                $this->_tagsAllowed[$tagName] = array();
+                foreach ($element as $attribute) {
+                    if (is_string($attribute)) {
+                        // Canonicalize the attribute name
+                        $attributeName = strtolower($attribute);
+                        $this->_tagsAllowed[$tagName][$attributeName] = null;
+                    }
+                }
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Returns the attributesAllowed option
+     *
+     * @return array
+     */
+    public function getAttributesAllowed()
+    {
+        return $this->_attributesAllowed;
+    }
+
+    /**
+     * Sets the attributesAllowed option
+     *
+     * @param  array|string $attributesAllowed
+     * @return Zend_Filter_StripTags Provides a fluent interface
+     */
+    public function setAttributesAllowed($attributesAllowed)
+    {
+        if (!is_array($attributesAllowed)) {
+            $attributesAllowed = array($attributesAllowed);
+        }
+
+        // Store each attribute as allowed
+        foreach ($attributesAllowed as $attribute) {
+            if (is_string($attribute)) {
+                // Canonicalize the attribute name
+                $attributeName = strtolower($attribute);
+                $this->_attributesAllowed[$attributeName] = null;
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * @todo improve docblock descriptions
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        $value = (string) $value;
+
+        // Strip HTML comments first
+        while (strpos($value, '<!--') !== false) {
+            $pos   = strrpos($value, '<!--');
+            $start = substr($value, 0, $pos);
+            $value = substr($value, $pos);
+
+            // If there is no comment closing tag, strip whole text
+            if (!preg_match('/--\s*>/s', $value)) {
+                $value = '';
+            } else {
+                $value = preg_replace('/<(?:!(?:--[\s\S]*?--\s*)?(>))/s', '',  $value);
+            }
+
+            $value = $start . $value;
+        }
+
+        // Initialize accumulator for filtered data
+        $dataFiltered = '';
+        // Parse the input data iteratively as regular pre-tag text followed by a
+        // tag; either may be empty strings
+        preg_match_all('/([^<]*)(<?[^>]*>?)/', (string) $value, $matches);
+
+        // Iterate over each set of matches
+        foreach ($matches[1] as $index => $preTag) {
+            // If the pre-tag text is non-empty, strip any ">" characters from it
+            if (strlen($preTag)) {
+                $preTag = str_replace('>', '', $preTag);
+            }
+            // If a tag exists in this match, then filter the tag
+            $tag = $matches[2][$index];
+            if (strlen($tag)) {
+                $tagFiltered = $this->_filterTag($tag);
+            } else {
+                $tagFiltered = '';
+            }
+            // Add the filtered pre-tag text and filtered tag to the data buffer
+            $dataFiltered .= $preTag . $tagFiltered;
+        }
+
+        // Return the filtered data
+        return $dataFiltered;
+    }
+
+    /**
+     * Filters a single tag against the current option settings
+     *
+     * @param  string $tag
+     * @return string
+     */
+    protected function _filterTag($tag)
+    {
+        // Parse the tag into:
+        // 1. a starting delimiter (mandatory)
+        // 2. a tag name (if available)
+        // 3. a string of attributes (if available)
+        // 4. an ending delimiter (if available)
+        $isMatch = preg_match('~(</?)(\w*)((/(?!>)|[^/>])*)(/?>)~', $tag, $matches);
+
+        // If the tag does not match, then strip the tag entirely
+        if (!$isMatch) {
+            return '';
+        }
+
+        // Save the matches to more meaningfully named variables
+        $tagStart      = $matches[1];
+        $tagName       = strtolower($matches[2]);
+        $tagAttributes = $matches[3];
+        $tagEnd        = $matches[5];
+
+        // If the tag is not an allowed tag, then remove the tag entirely
+        if (!isset($this->_tagsAllowed[$tagName])) {
+            return '';
+        }
+
+        // Trim the attribute string of whitespace at the ends
+        $tagAttributes = trim($tagAttributes);
+
+        // If there are non-whitespace characters in the attribute string
+        if (strlen($tagAttributes)) {
+            // Parse iteratively for well-formed attributes
+            preg_match_all('/(\w+)\s*=\s*(?:(")(.*?)"|(\')(.*?)\')/s', $tagAttributes, $matches);
+
+            // Initialize valid attribute accumulator
+            $tagAttributes = '';
+
+            // Iterate over each matched attribute
+            foreach ($matches[1] as $index => $attributeName) {
+                $attributeName      = strtolower($attributeName);
+                $attributeDelimiter = empty($matches[2][$index]) ? $matches[4][$index] : $matches[2][$index];
+                $attributeValue     = empty($matches[3][$index]) ? $matches[5][$index] : $matches[3][$index];
+
+                // If the attribute is not allowed, then remove it entirely
+                if (!array_key_exists($attributeName, $this->_tagsAllowed[$tagName])
+                    && !array_key_exists($attributeName, $this->_attributesAllowed)) {
+                    continue;
+                }
+                // Add the attribute to the accumulator
+                $tagAttributes .= " $attributeName=" . $attributeDelimiter
+                                . $attributeValue . $attributeDelimiter;
+            }
+        }
+
+        // Reconstruct tags ending with "/>" as backwards-compatible XHTML tag
+        if (strpos($tagEnd, '/') !== false) {
+            $tagEnd = " $tagEnd";
+        }
+
+        // Return the filtered tag
+        return $tagStart . $tagName . $tagAttributes . $tagEnd;
+    }
+}

library/Zend/Filter/Word/CamelCaseToDash.php

@@ -0,0 +1,44 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Word/CamelCaseToSeparator.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_CamelCaseToDash extends Zend_Filter_Word_CamelCaseToSeparator
+{
+    /**
+     * Constructor
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct('-');
+    }
+}

library/Zend/Filter/Word/CamelCaseToSeparator.php

@@ -0,0 +1,49 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_PregReplace
+ */
+require_once 'Zend/Filter/Word/Separator/Abstract.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_CamelCaseToSeparator extends Zend_Filter_Word_Separator_Abstract
+{
+
+    public function filter($value)
+    {
+        if (self::isUnicodeSupportEnabled()) {
+            parent::setMatchPattern(array('#(?<=(?:\p{Lu}))(\p{Lu}\p{Ll})#','#(?<=(?:\p{Ll}|\p{Nd}))(\p{Lu})#'));
+            parent::setReplacement(array($this->_separator . '\1', $this->_separator . '\1'));
+        } else {
+            parent::setMatchPattern(array('#(?<=(?:[A-Z]))([A-Z]+)([A-Z][A-z])#', '#(?<=(?:[a-z0-9]))([A-Z])#'));
+            parent::setReplacement(array('\1' . $this->_separator . '\2', $this->_separator . '\1'));
+        }
+
+        return parent::filter($value);
+    }
+
+}

library/Zend/Filter/Word/CamelCaseToUnderscore.php

@@ -0,0 +1,44 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_CamelCaseToSeparator
+ */
+require_once 'Zend/Filter/Word/CamelCaseToSeparator.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_CamelCaseToUnderscore extends Zend_Filter_Word_CamelCaseToSeparator
+{
+    /**
+     * Constructor
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct('_');
+    }
+}

library/Zend/Filter/Word/DashToCamelCase.php

@@ -0,0 +1,44 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Word/SeparatorToCamelCase.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_DashToCamelCase extends Zend_Filter_Word_SeparatorToCamelCase
+{
+    /**
+     * Constructor
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct('-');
+    }
+}

library/Zend/Filter/Word/DashToSeparator.php

@@ -0,0 +1,42 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_PregReplace
+ */
+require_once 'Zend/Filter/Word/Separator/Abstract.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_DashToSeparator extends Zend_Filter_Word_Separator_Abstract
+{
+
+    public function filter($value)
+    {
+        $this->setMatchPattern('#-#');
+        $this->setReplacement($this->_separator);
+        return parent::filter($value);
+    }
+}

library/Zend/Filter/Word/DashToUnderscore.php

@@ -0,0 +1,45 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_PregReplace
+ */
+require_once 'Zend/Filter/Word/SeparatorToSeparator.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_DashToUnderscore extends Zend_Filter_Word_SeparatorToSeparator
+{
+    /**
+     * Constructor
+     *
+     * @param  string $separator Space by default
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct('-', '_');
+    }
+}

library/Zend/Filter/Word/Separator/Abstract.php

@@ -0,0 +1,76 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_PregReplace
+ */
+require_once 'Zend/Filter/PregReplace.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @uses       Zend_Filter_PregReplace
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+abstract class Zend_Filter_Word_Separator_Abstract extends Zend_Filter_PregReplace
+{
+
+    protected $_separator = null;
+
+    /**
+     * Constructor
+     *
+     * @param  string $separator Space by default
+     * @return void
+     */
+    public function __construct($separator = ' ')
+    {
+        $this->setSeparator($separator);
+    }
+
+    /**
+     * Sets a new seperator
+     *
+     * @param  string  $separator  Seperator
+     * @return $this
+     */
+    public function setSeparator($separator)
+    {
+        if ($separator == null) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('"' . $separator . '" is not a valid separator.');
+        }
+        $this->_separator = $separator;
+        return $this;
+    }
+
+    /**
+     * Returns the actual set seperator
+     *
+     * @return  string
+     */
+    public function getSeparator()
+    {
+        return $this->_separator;
+    }
+
+}

library/Zend/Filter/Word/SeparatorToCamelCase.php

@@ -0,0 +1,52 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_PregReplace
+ */
+require_once 'Zend/Filter/Word/Separator/Abstract.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_SeparatorToCamelCase extends Zend_Filter_Word_Separator_Abstract
+{
+
+    public function filter($value)
+    {
+        // a unicode safe way of converting characters to \x00\x00 notation
+        $pregQuotedSeparator = preg_quote($this->_separator, '#');
+
+        if (self::isUnicodeSupportEnabled()) {
+            parent::setMatchPattern(array('#('.$pregQuotedSeparator.')(\p{L}{1})#e','#(^\p{Ll}{1})#e'));
+            parent::setReplacement(array("strtoupper('\\2')","strtoupper('\\1')"));
+        } else {
+            parent::setMatchPattern(array('#('.$pregQuotedSeparator.')([A-Za-z]{1})#e','#(^[A-Za-z]{1})#e'));
+            parent::setReplacement(array("strtoupper('\\2')","strtoupper('\\1')"));
+        }
+
+        return parent::filter($value);
+    }
+
+}

library/Zend/Filter/Word/SeparatorToDash.php

@@ -0,0 +1,46 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_SeperatorToSeparator
+ */
+require_once 'Zend/Filter/Word/SeparatorToSeparator.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_SeparatorToDash extends Zend_Filter_Word_SeparatorToSeparator
+{
+    /**
+     * Constructor
+     *
+     * @param  string  $searchSeparator  Seperator to search for change
+     * @return void
+     */
+    public function __construct($searchSeparator = ' ')
+    {
+        parent::__construct($searchSeparator, '-');
+    }
+
+}

library/Zend/Filter/Word/SeparatorToSeparator.php

@@ -0,0 +1,129 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_PregReplace
+ */
+require_once 'Zend/Filter/PregReplace.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_SeparatorToSeparator extends Zend_Filter_PregReplace
+{
+
+    protected $_searchSeparator = null;
+    protected $_replacementSeparator = null;
+
+    /**
+     * Constructor
+     *
+     * @param  string  $searchSeparator      Seperator to search for
+     * @param  string  $replacementSeperator Seperator to replace with
+     * @return void
+     */
+    public function __construct($searchSeparator = ' ', $replacementSeparator = '-')
+    {
+        $this->setSearchSeparator($searchSeparator);
+        $this->setReplacementSeparator($replacementSeparator);
+    }
+
+    /**
+     * Sets a new seperator to search for
+     *
+     * @param  string  $separator  Seperator to search for
+     * @return $this
+     */
+    public function setSearchSeparator($separator)
+    {
+        $this->_searchSeparator = $separator;
+        return $this;
+    }
+
+    /**
+     * Returns the actual set seperator to search for
+     *
+     * @return  string
+     */
+    public function getSearchSeparator()
+    {
+        return $this->_searchSeparator;
+    }
+
+    /**
+     * Sets a new seperator which replaces the searched one
+     *
+     * @param  string  $separator  Seperator which replaces the searched one
+     * @return $this
+     */
+    public function setReplacementSeparator($separator)
+    {
+        $this->_replacementSeparator = $separator;
+        return $this;
+    }
+
+    /**
+     * Returns the actual set seperator which replaces the searched one
+     *
+     * @return  string
+     */
+    public function getReplacementSeparator()
+    {
+        return $this->_replacementSeparator;
+    }
+
+    /**
+     * Defined by Zend_Filter_Interface
+     *
+     * Returns the string $value, replacing the searched seperators with the defined ones
+     *
+     * @param  string $value
+     * @return string
+     */
+    public function filter($value)
+    {
+        return $this->_separatorToSeparatorFilter($value);
+    }
+
+    /**
+     * Do the real work, replaces the seperator to search for with the replacement seperator
+     *
+     * Returns the replaced string
+     *
+     * @param  string $value
+     * @return string
+     */
+    protected function _separatorToSeparatorFilter($value)
+    {
+        if ($this->_searchSeparator == null) {
+            require_once 'Zend/Filter/Exception.php';
+            throw new Zend_Filter_Exception('You must provide a search separator for this filter to work.');
+        }
+
+        $this->setMatchPattern('#' . preg_quote($this->_searchSeparator, '#') . '#');
+        $this->setReplacement($this->_replacementSeparator);
+        return parent::filter($value);
+    }
+
+}

library/Zend/Filter/Word/UnderscoreToCamelCase.php

@@ -0,0 +1,44 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_Interface
+ */
+require_once 'Zend/Filter/Word/SeparatorToCamelCase.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_UnderscoreToCamelCase extends Zend_Filter_Word_SeparatorToCamelCase
+{
+    /**
+     * Constructor
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct('_');
+    }
+}

library/Zend/Filter/Word/UnderscoreToDash.php

@@ -0,0 +1,45 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_PregReplace
+ */
+require_once 'Zend/Filter/Word/SeparatorToSeparator.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_UnderscoreToDash extends Zend_Filter_Word_SeparatorToSeparator
+{
+    /**
+     * Constructor
+     *
+     * @param  string $separator Space by default
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct('_', '-');
+    }
+}

library/Zend/Filter/Word/UnderscoreToSeparator.php

@@ -0,0 +1,45 @@
+<?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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id$
+ */
+
+/**
+ * @see Zend_Filter_PregReplace
+ */
+require_once 'Zend/Filter/Word/SeparatorToSeparator.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Filter
+ * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Filter_Word_UnderscoreToSeparator extends Zend_Filter_Word_SeparatorToSeparator
+{
+    /**
+     * Constructor
+     *
+     * @param  string $separator Space by default
+     * @return void
+     */
+    public function __construct($replacementSeparator = ' ')
+    {
+        parent::__construct('_', $replacementSeparator);
+    }
+}