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96 lines
3.2 KiB
96 lines
3.2 KiB
<?php |
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/** |
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* RegularExpressionValidator class file. |
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* |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright © 2008-2012 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\validators; |
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/** |
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* RegularExpressionValidator validates that the attribute value matches the specified [[pattern]]. |
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* |
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* If [[not]] is set true, the validator will ensure the attribute value do NOT match the [[pattern]]. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @since 2.0 |
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*/ |
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class RegularExpressionValidator extends Validator |
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{ |
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/** |
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* @var string the regular expression to be matched with |
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*/ |
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public $pattern; |
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/** |
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* @var boolean whether the attribute value can be null or empty. Defaults to true, |
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* meaning that if the attribute is empty, it is considered valid. |
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*/ |
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public $allowEmpty = true; |
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/** |
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* @var boolean whether to invert the validation logic. Defaults to false. If set to true, |
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* the regular expression defined via [[pattern]] should NOT match the attribute value. |
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**/ |
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public $not = false; |
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/** |
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* Validates the attribute of the object. |
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* If there is any error, the error message is added to the object. |
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* @param \yii\base\Model $object the object being validated |
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* @param string $attribute the attribute being validated |
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*/ |
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public function validateAttribute($object, $attribute) |
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{ |
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$value = $object->$attribute; |
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if ($this->allowEmpty && $this->isEmpty($value)) { |
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return; |
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} |
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if ($this->pattern === null) { |
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throw new \yii\base\Exception(Yii::t('yii', 'The "pattern" property must be specified with a valid regular expression.')); |
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} |
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if ((!$this->not && !preg_match($this->pattern, $value)) || ($this->not && preg_match($this->pattern, $value))) { |
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$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} is invalid.'); |
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$this->addError($object, $attribute, $message); |
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} |
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} |
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/** |
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* Returns the JavaScript needed for performing client-side validation. |
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* @param \yii\base\Model $object the data object being validated |
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* @param string $attribute the name of the attribute to be validated. |
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* @return string the client-side validation script. |
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*/ |
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public function clientValidateAttribute($object, $attribute) |
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{ |
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if ($this->pattern === null) { |
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throw new \yii\base\Exception(Yii::t('yii', 'The "pattern" property must be specified with a valid regular expression.')); |
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} |
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$message = $this->message !== null ? $this->message : Yii::t('yii', '{attribute} is invalid.'); |
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$message = strtr($message, array( |
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'{attribute}' => $object->getAttributeLabel($attribute), |
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)); |
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$pattern = $this->pattern; |
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$pattern = preg_replace('/\\\\x\{?([0-9a-fA-F]+)\}?/', '\u$1', $pattern); |
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$delim = substr($pattern, 0, 1); |
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$endpos = strrpos($pattern, $delim, 1); |
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$flag = substr($pattern, $endpos + 1); |
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if ($delim !== '/') { |
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$pattern = '/' . str_replace('/', '\\/', substr($pattern, 1, $endpos - 1)) . '/'; |
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} |
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else { |
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$pattern = substr($pattern, 0, $endpos + 1); |
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} |
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if (!empty($flag)) { |
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$pattern .= preg_replace('/[^igm]/', '', $flag); |
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} |
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return " |
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if (" . ($this->allowEmpty ? "$.trim(value)!='' && " : '') . ($this->not ? '' : '!') . "value.match($pattern)) { |
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messages.push(" . json_encode($message) . "); |
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} |
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"; |
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} |
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}
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