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86 lines
2.6 KiB
PHP
86 lines
2.6 KiB
PHP
<?php
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/**
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* CNumberValidator 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 Copyright © 2008-2009 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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* CNumberValidator validates that the attribute value is a number.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @version $Id: CNumberValidator.php 1178 2009-06-26 20:13:31Z qiang.xue $
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* @package system.validators
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* @since 1.0
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*/
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class CNumberValidator extends CValidator
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{
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/**
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* @var boolean whether the attribute value can only be an integer. Defaults to false.
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*/
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public $integerOnly=false;
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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 integer|double upper limit of the number. Defaults to null, meaning no upper limit.
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*/
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public $max;
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/**
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* @var integer|double lower limit of the number. Defaults to null, meaning no lower limit.
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*/
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public $min;
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/**
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* @var string user-defined error message used when the value is too big.
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*/
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public $tooBig;
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/**
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* @var string user-defined error message used when the value is too small.
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*/
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public $tooSmall;
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/**
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* Validates the attribute of the object.
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* If there is any error, the error message is added to the object.
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* @param CModel the object being validated
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* @param string the attribute being validated
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*/
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protected function validateAttribute($object,$attribute)
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{
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$value=$object->$attribute;
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if($this->allowEmpty && ($value===null || $value===''))
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return;
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if($this->integerOnly)
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{
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if(is_string($value) && !preg_match('/^\s*[+-]?\d+\s*$/',$value))
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{
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$message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must be an integer.');
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$this->addError($object,$attribute,$message);
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}
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}
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else
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{
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if(is_string($value) && !preg_match('/^\s*[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?\s*$/',$value))
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{
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$message=$this->message!==null?$this->message:Yii::t('yii','{attribute} must be a number.');
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$this->addError($object,$attribute,$message);
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}
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}
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if($this->min!==null && $value<$this->min)
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{
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$message=$this->tooSmall!==null?$this->tooSmall:Yii::t('yii','{attribute} is too small (minimum is {min}).');
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$this->addError($object,$attribute,$message,array('{min}'=>$this->min));
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}
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if($this->max!==null && $value>$this->max)
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{
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$message=$this->tooBig!==null?$this->tooBig:Yii::t('yii','{attribute} is too big (maximum is {max}).');
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$this->addError($object,$attribute,$message,array('{max}'=>$this->max));
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}
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}
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}
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