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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Form\Widget\Validator; |
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use Yiisoft\Form\FormModelInterface; |
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use Yiisoft\Form\Widget\Attribute\WidgetAttributes; |
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use Yiisoft\Form\Widget\Url; |
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use Yiisoft\Html\Html; |
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use Yiisoft\Validator\Rule; |
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use Yiisoft\Validator\Rule\HasLength; |
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use Yiisoft\Validator\Rule\MatchRegularExpression; |
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use Yiisoft\Validator\Rule\Number; |
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use Yiisoft\Validator\Rule\Required; |
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use Yiisoft\Validator\Rule\Url as UrlValidator; |
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/** |
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* FieldValidator is a base class for validators that can be applied to a field. |
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* |
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* @param WidgetAttributes $widget The field widget. |
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* @param FormModelInterface $formModel The form model instance. |
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* @param string $attribute The attribute name or expression. |
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* @param array $attributes The HTML attributes for the field widget. |
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* |
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* @return array The attributes for validator html. |
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*/ |
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final class FieldValidator |
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{ |
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public function getValidatorAttributes( |
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WidgetAttributes $widget, |
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FormModelInterface $formModel, |
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string $attribute, |
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array $attributes |
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): array { |
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/** @psalm-var array<array-key, Rule> */ |
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$rules = $formModel->getRules()[$attribute] ?? []; |
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foreach ($rules as $rule) { |
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if ($rule instanceof Required) { |
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$attributes['required'] = true; |
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} |
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if ($rule instanceof HasLength && $widget instanceof HasLengthInterface) { |
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/** @var int|null */ |
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$attributes['maxlength'] = $rule->getOptions()['max'] !== 0 ? $rule->getOptions()['max'] : null; |
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/** @var int|null */ |
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$attributes['minlength'] = $rule->getOptions()['min'] !== 0 ? $rule->getOptions()['min'] : null; |
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} |
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if ($rule instanceof MatchRegularExpression && $widget instanceof MatchRegularInterface) { |
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/** @var string */ |
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$pattern = $rule->getOptions()['pattern']; |
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$attributes['pattern'] = Html::normalizeRegexpPattern($pattern); |
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} |
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if ($rule instanceof Number && $widget instanceof NumberInterface) { |
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/** @var int|null */ |
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$attributes['max'] = $rule->getOptions()['max'] !== 0 ? $rule->getOptions()['max'] : null; |
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/** @var int|null */ |
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$attributes['min'] = $rule->getOptions()['min'] !== 0 ? $rule->getOptions()['min'] : null; |
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} |
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if ($rule instanceof UrlValidator && $widget instanceof Url) { |
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/** @var array<array-key, string> */ |
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$validSchemes = $rule->getOptions()['validSchemes']; |
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$schemes = []; |
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foreach ($validSchemes as $scheme) { |
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$schemes[] = $this->getSchemePattern($scheme); |
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} |
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/** @var array<array-key, float|int|string>|string */ |
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$pattern = $rule->getOptions()['pattern']; |
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$normalizePattern = str_replace('{schemes}', '(' . implode('|', $schemes) . ')', $pattern); |
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$attributes['pattern'] = Html::normalizeRegexpPattern($normalizePattern); |
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} |
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} |
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return $attributes; |
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} |
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private function getSchemePattern(string $scheme): string |
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{ |
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$result = ''; |
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for ($i = 0, $length = mb_strlen($scheme); $i < $length; $i++) { |
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$result .= '[' . mb_strtolower($scheme[$i]) . mb_strtoupper($scheme[$i]) . ']'; |
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} |
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return $result; |
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} |
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} |
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yiisoft /
form
