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