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<?php
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namespace TYPO3\CMS\Extbase\Validation\Validator;
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/**
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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/**
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* Validator for boolean values
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*/
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class BooleanValidator extends \TYPO3\CMS\Extbase\Validation\Validator\AbstractValidator {
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/**
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* @var array
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*/
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protected $supportedOptions = array(
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// The default is set to NULL here, because we need to be backward compatible here, because this
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// BooleanValidator is called automatically on boolean action arguments. If we would set it to TRUE,
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// every FALSE value for an action argument would break.
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// TODO with next patches: deprecate this BooleanValidator and introduce a BooleanValueValidator, like
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// in Flow, which won't be called on boolean action arguments.
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'is' => array(NULL, 'Boolean value', 'boolean|string|integer')
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);
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/**
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* Check if $value matches the expectation given to the validator.
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* If it does not match, the function adds an error to the result.
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*
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* Also testing for '1' (true), '0' and '' (false) because casting varies between
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* tests and actual usage. This makes the validator loose but still keeping functionality.
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*
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* @param mixed $value The value that should be validated
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* @return void
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*/
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public function isValid($value) {
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// see comment above, check if expectation is NULL, then nothing to do!
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if ($this->options['is'] === NULL) {
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return;
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}
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switch (strtolower((string)$this->options['is'])) {
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case 'true':
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case '1':
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$expectation = TRUE;
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break;
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case 'false':
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case '':
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case '0':
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$expectation = FALSE;
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break;
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default:
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$this->addError('The given expectation is not valid.', 1361959227);
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return;
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}
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if ($value !== $expectation) {
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if (!is_bool($value)) {
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$this->addError($this->translateErrorMessage(
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'validator.boolean.nottrue',
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'extbase'
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), 1361959230);
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} else {
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if ($expectation) {
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$this->addError($this->translateErrorMessage(
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'validator.boolean.nottrue',
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'extbase'
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), 1361959228);
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} else {
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$this->addError($this->translateErrorMessage(
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'validator.boolean.notfalse',
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'extbase'
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), 1361959229);
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}
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}
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}
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}
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}
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