/
ValidationSet.php
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/
ValidationSet.php
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<?php
/**
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
* @link https://cakephp.org CakePHP(tm) Project
* @since 2.2.0
* @license https://opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\Validation;
use ArrayAccess;
use ArrayIterator;
use Countable;
use IteratorAggregate;
/**
* ValidationSet object. Holds all validation rules for a field and exposes
* methods to dynamically add or remove validation rules
*/
class ValidationSet implements ArrayAccess, IteratorAggregate, Countable
{
/**
* Holds the ValidationRule objects
*
* @var \Cake\Validation\ValidationRule[]
*/
protected $_rules = [];
/**
* Denotes whether the fieldname key must be present in data array
*
* @var bool|string|callable
*/
protected $_validatePresent = false;
/**
* Denotes if a field is allowed to be empty
*
* @var bool|string|callable
*/
protected $_allowEmpty = false;
/**
* Sets whether a field is required to be present in data array.
*
* If no argument is passed the currently set `validatePresent` value will be returned.
*
* @param bool|string|callable|null $validatePresent Deprecated since 3.6.0 ValidationSet::isPresenceRequired() is deprecated as a setter
* Use ValidationSet::requirePresence() instead.
* @return bool|string|callable
*/
public function isPresenceRequired($validatePresent = null)
{
if ($validatePresent === null) {
return $this->_validatePresent;
}
deprecationWarning(
'ValidationSet::isPresenceRequired() is deprecated as a setter. ' .
'Use ValidationSet::requirePresence() instead.'
);
return $this->requirePresence($validatePresent);
}
/**
* Sets whether a field is required to be present in data array.
*
* @param bool|string|callable $validatePresent Valid values are true, false, 'create', 'update' or a callable.
* @return $this
*/
public function requirePresence($validatePresent)
{
$this->_validatePresent = $validatePresent;
return $this;
}
/**
* Sets whether a field value is allowed to be empty.
*
* If no argument is passed the currently set `allowEmpty` value will be returned.
*
* @param bool|string|callable|null $allowEmpty Deprecated since 3.6.0 ValidationSet::isEmptyAllowed() is deprecated as a setter.
* Use ValidationSet::allowEmpty() instead.
* @return bool|string|callable
*/
public function isEmptyAllowed($allowEmpty = null)
{
if ($allowEmpty === null) {
return $this->_allowEmpty;
}
deprecationWarning(
'ValidationSet::isEmptyAllowed() is deprecated as a setter. ' .
'Use ValidationSet::allowEmpty() instead.'
);
return $this->allowEmpty($allowEmpty);
}
/**
* Sets whether a field value is allowed to be empty.
*
* @param bool|string|callable $allowEmpty Valid values are true, false,
* 'create', 'update' or a callable.
* @return $this
*/
public function allowEmpty($allowEmpty)
{
$this->_allowEmpty = $allowEmpty;
return $this;
}
/**
* Gets a rule for a given name if exists
*
* @param string $name The name under which the rule is set.
* @return \Cake\Validation\ValidationRule|null
*/
public function rule($name)
{
if (!empty($this->_rules[$name])) {
return $this->_rules[$name];
}
}
/**
* Returns all rules for this validation set
*
* @return \Cake\Validation\ValidationRule[]
*/
public function rules()
{
return $this->_rules;
}
/**
* Sets a ValidationRule $rule with a $name
*
* ### Example:
*
* ```
* $set
* ->add('notBlank', ['rule' => 'notBlank'])
* ->add('inRange', ['rule' => ['between', 4, 10])
* ```
*
* @param string $name The name under which the rule should be set
* @param \Cake\Validation\ValidationRule|array $rule The validation rule to be set
* @return $this
*/
public function add($name, $rule)
{
if (!($rule instanceof ValidationRule)) {
$rule = new ValidationRule($rule);
}
$this->_rules[$name] = $rule;
return $this;
}
/**
* Removes a validation rule from the set
*
* ### Example:
*
* ```
* $set
* ->remove('notBlank')
* ->remove('inRange')
* ```
*
* @param string $name The name under which the rule should be unset
* @return $this
*/
public function remove($name)
{
unset($this->_rules[$name]);
return $this;
}
/**
* Returns whether an index exists in the rule set
*
* @param string $index name of the rule
* @return bool
*/
public function offsetExists($index)
{
return isset($this->_rules[$index]);
}
/**
* Returns a rule object by its index
*
* @param string $index name of the rule
* @return \Cake\Validation\ValidationRule
*/
public function offsetGet($index)
{
return $this->_rules[$index];
}
/**
* Sets or replace a validation rule
*
* @param string $index name of the rule
* @param \Cake\Validation\ValidationRule|array $rule Rule to add to $index
* @return void
*/
public function offsetSet($index, $rule)
{
$this->add($index, $rule);
}
/**
* Unsets a validation rule
*
* @param string $index name of the rule
* @return void
*/
public function offsetUnset($index)
{
unset($this->_rules[$index]);
}
/**
* Returns an iterator for each of the rules to be applied
*
* @return \ArrayIterator
*/
public function getIterator()
{
return new ArrayIterator($this->_rules);
}
/**
* Returns the number of rules in this set
*
* @return int
*/
public function count()
{
return count($this->_rules);
}
}