7c7218cf3c7381f47e0d6d50c0b3a5570e5ee477
[Packages/TYPO3.CMS.git] / typo3 / sysext / extbase / Classes / Validation / Validator / BooleanValidator.php
1 <?php
2 namespace TYPO3\CMS\Extbase\Validation\Validator;
3
4 /***************************************************************
5 * Copyright notice
6 *
7 * (c) 2013 Pascal Dürsteler <pascal.duersteler@gmail.com>
8 * Extbase is a backport of TYPO3 Flow. All credits go to the TYPO3 Flow team.
9 * All rights reserved
10 *
11 * This script is part of the TYPO3 project. The TYPO3 project is
12 * free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * The GNU General Public License can be found at
18 * http://www.gnu.org/copyleft/gpl.html.
19 * A copy is found in the text file GPL.txt and important notices to the license
20 * from the author is found in LICENSE.txt distributed with these scripts.
21 *
22 *
23 * This script is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
27 *
28 * This copyright notice MUST APPEAR in all copies of the script!
29 ***************************************************************/
30 /**
31 * Validator for boolean values
32 */
33 class BooleanValidator extends \TYPO3\CMS\Extbase\Validation\Validator\AbstractValidator {
34
35 /**
36 * Returns TRUE if the given property value is a boolean matching the expectation.
37 *
38 * If at least one error occurred, the result is FALSE.
39 *
40 * Also testing for '1' (true), '0' and '' (false) because casting varies between
41 * tests and actual usage. This makes the validator loose but still keeping functionality.
42 *
43 * @param mixed $value The value that should be validated
44 * @return boolean TRUE if the value is within the range, otherwise FALSE
45 */
46 public function isValid($value) {
47 if (!isset($this->options['is'])) {
48 return;
49 }
50 switch (strtolower((string)$this->options['is'])) {
51 case 'true':
52 case '1':
53 $expectation = TRUE;
54 break;
55 case 'false':
56 case '':
57 case '0':
58 $expectation = FALSE;
59 break;
60 default:
61 $this->addError('The given expectation is not valid.', 1361959227);
62 return;
63 }
64
65 if ($value !== $expectation) {
66 if (!is_bool($value)) {
67 $this->addError('The given subject is not true.', 1361959230);
68 } else {
69 if ($expectation) {
70 $this->addError('The given subject is not true.', 1361959228);
71 } else {
72 $this->addError('The given subject is not false.', 1361959229);
73 }
74 }
75 }
76 }
77
78 }