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Diffstat (limited to 'framework/validators/CRegularExpressionValidator.php')
| -rw-r--r-- | framework/validators/CRegularExpressionValidator.php | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/framework/validators/CRegularExpressionValidator.php b/framework/validators/CRegularExpressionValidator.php new file mode 100644 index 0000000..3506d99 --- /dev/null +++ b/framework/validators/CRegularExpressionValidator.php @@ -0,0 +1,94 @@ +<?php +/** + * CRegularExpressionValidator class file. + * + * @author Qiang Xue <qiang.xue@gmail.com> + * @link http://www.yiiframework.com/ + * @copyright Copyright © 2008-2011 Yii Software LLC + * @license http://www.yiiframework.com/license/ + */ + +/** + * CRegularExpressionValidator validates that the attribute value matches to the specified {@link pattern regular expression}. + * You may invert the validation logic with help of the {@link not} property (available since 1.1.5). + * + * @author Qiang Xue <qiang.xue@gmail.com> + * @version $Id: CRegularExpressionValidator.php 3120 2011-03-25 01:50:48Z qiang.xue $ + * @package system.validators + * @since 1.0 + */ +class CRegularExpressionValidator extends CValidator +{ + /** + * @var string the regular expression to be matched with + */ + public $pattern; + /** + * @var boolean whether the attribute value can be null or empty. Defaults to true, + * meaning that if the attribute is empty, it is considered valid. + */ + public $allowEmpty=true; + /** + * @var boolean whether to invert the validation logic. Defaults to false. If set to true, + * the regular expression defined via {@link pattern} should NOT match the attribute value. + * @since 1.1.5 + **/ + public $not=false; + + /** + * Validates the attribute of the object. + * If there is any error, the error message is added to the object. + * @param CModel $object the object being validated + * @param string $attribute the attribute being validated + */ + protected function validateAttribute($object,$attribute) + { + $value=$object->$attribute; + if($this->allowEmpty && $this->isEmpty($value)) + return; + if($this->pattern===null) + throw new CException(Yii::t('yii','The "pattern" property must be specified with a valid regular expression.')); + if((!$this->not && !preg_match($this->pattern,$value)) || ($this->not && preg_match($this->pattern,$value))) + { + $message=$this->message!==null?$this->message:Yii::t('yii','{attribute} is invalid.'); + $this->addError($object,$attribute,$message); + } + } + + /** + * Returns the JavaScript needed for performing client-side validation. + * @param CModel $object the data object being validated + * @param string $attribute the name of the attribute to be validated. + * @return string the client-side validation script. + * @see CActiveForm::enableClientValidation + * @since 1.1.7 + */ + public function clientValidateAttribute($object,$attribute) + { + if($this->pattern===null) + throw new CException(Yii::t('yii','The "pattern" property must be specified with a valid regular expression.')); + + $message=$this->message!==null ? $this->message : Yii::t('yii','{attribute} is invalid.'); + $message=strtr($message, array( + '{attribute}'=>$object->getAttributeLabel($attribute), + )); + + $pattern=$this->pattern; + $pattern=preg_replace('/\\\\x\{?([0-9a-fA-F]+)\}?/', '\u$1', $pattern); + $delim=substr($pattern, 0, 1); + $endpos=strrpos($pattern, $delim, 1); + $flag=substr($pattern, $endpos + 1); + if ($delim!=='/') + $pattern='/' . str_replace('/', '\\/', substr($pattern, 1, $endpos - 1)) . '/'; + else + $pattern = substr($pattern, 0, $endpos + 1); + if (!empty($flag)) + $pattern .= preg_replace('/[^igm]/', '', $flag); + + return " +if(".($this->allowEmpty ? "$.trim(value)!='' && " : '').($this->not ? '' : '!')."value.match($pattern)) { + messages.push(".CJSON::encode($message)."); +} +"; + } +}
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