98 lines
3.4 KiB
PHP
98 lines
3.4 KiB
PHP
<?php
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/**
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* CRegularExpressionValidator class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright 2008-2013 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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/**
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* CRegularExpressionValidator validates that the attribute value matches to the specified {@link pattern regular expression}.
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* You may invert the validation logic with help of the {@link not} property (available since 1.1.5).
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package system.validators
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* @since 1.0
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*/
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class CRegularExpressionValidator extends CValidator
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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 {@link pattern} should NOT match the attribute value.
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* @since 1.1.5
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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 CModel $object the object being validated
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* @param string $attribute the attribute being validated
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* @throws CException if given {@link pattern} is empty
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*/
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protected function validateAttribute($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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if($this->pattern===null)
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throw new CException(Yii::t('yii','The "pattern" property must be specified with a valid regular expression.'));
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// reason of array checking explained here: https://github.com/yiisoft/yii/issues/1955
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if(is_array($value) ||
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(!$this->not && !preg_match($this->pattern,$value)) ||
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($this->not && preg_match($this->pattern,$value)))
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{
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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 CModel $object the data object being validated
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* @param string $attribute the name of the attribute to be validated.
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* @throws CException if given {@link pattern} is empty
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* @return string the client-side validation script.
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* @see CActiveForm::enableClientValidation
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* @since 1.1.7
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*/
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public function clientValidateAttribute($object,$attribute)
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{
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if($this->pattern===null)
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throw new CException(Yii::t('yii','The "pattern" property must be specified with a valid regular expression.'));
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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, $endpos - 1)) . '/';
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else
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$pattern = substr($pattern, 0, $endpos + 1);
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if (!empty($flag))
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$pattern .= preg_replace('/[^igm]/', '', $flag);
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return "
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if(".($this->allowEmpty ? "jQuery.trim(value)!='' && " : '').($this->not ? '' : '!')."value.match($pattern)) {
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messages.push(".CJSON::encode($message).");
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}
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";
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}
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} |