95 lines
2.5 KiB
PHP
95 lines
2.5 KiB
PHP
<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 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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use Yii;
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use yii\base\InvalidConfigException;
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use yii\helpers\Html;
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use yii\helpers\Json;
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use yii\web\JsExpression;
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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 the [[not]] property 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 bool 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 $not = false;
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/**
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* {@inheritdoc}
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*/
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public function init()
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{
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parent::init();
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if ($this->pattern === null) {
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throw new InvalidConfigException('The "pattern" property must be set.');
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}
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if ($this->message === null) {
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$this->message = Yii::t('yii', '{attribute} is invalid.');
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function validateValue($value)
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{
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$valid = !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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return $valid ? null : [$this->message, []];
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}
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/**
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* {@inheritdoc}
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*/
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public function clientValidateAttribute($model, $attribute, $view)
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{
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ValidationAsset::register($view);
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$options = $this->getClientOptions($model, $attribute);
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return 'yii.validation.regularExpression(value, messages, ' . Json::htmlEncode($options) . ');';
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}
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/**
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* {@inheritdoc}
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*/
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public function getClientOptions($model, $attribute)
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{
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$pattern = Html::escapeJsRegularExpression($this->pattern);
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$options = [
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'pattern' => new JsExpression($pattern),
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'not' => $this->not,
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'message' => $this->formatMessage($this->message, [
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'attribute' => $model->getAttributeLabel($attribute),
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]),
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];
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if ($this->skipOnEmpty) {
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$options['skipOnEmpty'] = 1;
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}
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return $options;
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}
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}
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