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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Validator;
use Traversable;
class Bitwise extends AbstractValidator
{
const OP_AND = 'and';
const OP_XOR = 'xor';
const NOT_AND = 'notAnd';
const NOT_AND_STRICT = 'notAndStrict';
const NOT_XOR = 'notXor';
/**
* @var integer
*/
protected $control;
/**
* Validation failure message template definitions
*
* @var array
*/
protected $messageTemplates = array(
self::NOT_AND => "The input has no common bit set with '%control%'",
self::NOT_AND_STRICT => "The input doesn't have the same bits set as '%control%'",
self::NOT_XOR => "The input has common bit set with '%control%'",
);
/**
* Additional variables available for validation failure messages
*
* @var array
*/
protected $messageVariables = array(
'control' => 'control',
);
/**
* @var integer
*/
protected $operator;
/**
* @var boolean
*/
protected $strict = false;
/**
* Sets validator options
* Accepts the following option keys:
* 'control' => integer
* 'operator' =>
* 'strict' => boolean
*
* @param array|Traversable $options
*/
public function __construct($options = null)
{
if ($options instanceof Traversable) {
$options = iterator_to_array($options);
}
if (!is_array($options)) {
$options = func_get_args();
$temp['control'] = array_shift($options);
if (!empty($options)) {
$temp['operator'] = array_shift($options);
}
if (!empty($options)) {
$temp['strict'] = array_shift($options);
}
$options = $temp;
}
parent::__construct($options);
}
/**
* Returns the control parameter.
*
* @return integer
*/
public function getControl()
{
return $this->control;
}
/**
* Returns the operator parameter.
*
* @return string
*/
public function getOperator()
{
return $this->operator;
}
/**
* Returns the strict parameter.
*
* @return boolean
*/
public function getStrict()
{
return $this->strict;
}
/**
* Returns true if and only if $value is between min and max options, inclusively
* if inclusive option is true.
*
* @param mixed $value
* @return bool
*/
public function isValid($value)
{
$this->setValue($value);
if (self::OP_AND === $this->operator) {
if ($this->strict) {
// All the bits set in value must be set in control
$this->error(self::NOT_AND_STRICT);
return (bool) (($this->control & $value) == $value);
} else {
// At least one of the bits must be common between value and control
$this->error(self::NOT_AND);
return (bool) ($this->control & $value);
}
} elseif (self::OP_XOR === $this->operator) {
$this->error(self::NOT_XOR);
return (bool) (($this->control ^ $value) === ($this->control | $value));
}
return false;
}
/**
* Sets the control parameter.
*
* @param integer $control
* @return Bitwise
*/
public function setControl($control)
{
$this->control = (int) $control;
return $this;
}
/**
* Sets the operator parameter.
*
* @param string $operator
* @return Bitwise
*/
public function setOperator($operator)
{
$this->operator = $operator;
return $this;
}
/**
* Sets the strict parameter.
*
* @param boolean $strict
* @return Bitwise
*/
public function setStrict($strict)
{
$this->strict = (bool) $strict;
return $this;
}
}