47 lines
1.4 KiB
PHP
47 lines
1.4 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\DomCrawler\Field;
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/**
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* InputFormField represents an input form field (an HTML input tag).
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*
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* For inputs with type of file, checkbox, or radio, there are other more
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* specialized classes (cf. FileFormField and ChoiceFormField).
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class InputFormField extends FormField
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{
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/**
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* Initializes the form field.
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*
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* @throws \LogicException When node type is incorrect
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*/
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protected function initialize()
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{
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if ('input' !== $this->node->nodeName && 'button' !== $this->node->nodeName) {
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throw new \LogicException(sprintf('An InputFormField can only be created from an input or button tag (%s given).', $this->node->nodeName));
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}
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$type = strtolower($this->node->getAttribute('type'));
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if ('checkbox' === $type) {
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throw new \LogicException('Checkboxes should be instances of ChoiceFormField.');
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}
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if ('file' === $type) {
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throw new \LogicException('File inputs should be instances of FileFormField.');
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}
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$this->value = $this->node->getAttribute('value');
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}
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}
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