1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174
|
<?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_Validate
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Callback.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* @see Zend_Validate_Abstract
*/
require_once 'Zend/Validate/Abstract.php';
/**
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Validate_Callback extends Zend_Validate_Abstract
{
/**
* Invalid callback
*/
const INVALID_CALLBACK = 'callbackInvalid';
/**
* Invalid value
*/
const INVALID_VALUE = 'callbackValue';
/**
* Validation failure message template definitions
*
* @var array
*/
protected $_messageTemplates = array(
self::INVALID_VALUE => "'%value%' is not valid",
self::INVALID_CALLBACK => "Failure within the callback, exception returned",
);
/**
* Callback in a call_user_func format
*
* @var string|array
*/
protected $_callback = null;
/**
* Default options to set for the filter
*
* @var mixed
*/
protected $_options = array();
/**
* Sets validator options
*
* @param string|array $callback
* @param mixed $max
* @param boolean $inclusive
* @return void
*/
public function __construct($callback = null)
{
if (is_callable($callback)) {
$this->setCallback($callback);
} elseif (is_array($callback)) {
if (isset($callback['callback'])) {
$this->setCallback($callback['callback']);
}
if (isset($callback['options'])) {
$this->setOptions($callback['options']);
}
}
if (null === ($initializedCallack = $this->getCallback())) {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception('No callback registered');
}
}
/**
* Returns the set callback
*
* @return mixed
*/
public function getCallback()
{
return $this->_callback;
}
/**
* Sets the callback
*
* @param string|array $callback
* @return Zend_Validate_Callback Provides a fluent interface
*/
public function setCallback($callback)
{
if (!is_callable($callback)) {
require_once 'Zend/Validate/Exception.php';
throw new Zend_Validate_Exception('Invalid callback given');
}
$this->_callback = $callback;
return $this;
}
/**
* Returns the set options for the callback
*
* @return mixed
*/
public function getOptions()
{
return $this->_options;
}
/**
* Sets options for the callback
*
* @param mixed $max
* @return Zend_Validate_Callback Provides a fluent interface
*/
public function setOptions($options)
{
$this->_options = (array) $options;
return $this;
}
/**
* Defined by Zend_Validate_Interface
*
* Returns true if and only if the set callback returns
* for the provided $value
*
* @param mixed $value
* @return boolean
*/
public function isValid($value)
{
$this->_setValue($value);
$options = $this->getOptions();
$callback = $this->getCallback();
$args = func_get_args();
$options = array_merge($args, $options);
try {
if (!call_user_func_array($callback, $options)) {
$this->_error(self::INVALID_VALUE);
return false;
}
} catch (Exception $e) {
$this->_error(self::INVALID_CALLBACK);
return false;
}
return true;
}
}
|