[TASK] Change diff granularity to "word"
[Packages/TYPO3.CMS.git] / typo3 / sysext / core / Classes / Utility / DiffUtility.php
1 <?php
2 namespace TYPO3\CMS\Core\Utility;
3
4 /*
5 * This file is part of the TYPO3 CMS project.
6 *
7 * It is free software; you can redistribute it and/or modify it under
8 * the terms of the GNU General Public License, either version 2
9 * of the License, or any later version.
10 *
11 * For the full copyright and license information, please read the
12 * LICENSE.txt file that was distributed with this source code.
13 *
14 * The TYPO3 project - inspiring people to share!
15 */
16 use cogpowered\FineDiff\Diff;
17 use cogpowered\FineDiff\Granularity\Word;
18
19 /**
20 * This class has functions which generates a difference output of a content string
21 */
22 class DiffUtility
23 {
24 /**
25 * If set, the HTML tags are stripped from the input strings first.
26 *
27 * @var bool
28 */
29 public $stripTags = true;
30
31 /**
32 * This will produce a color-marked-up diff output in HTML from the input strings.
33 *
34 * @param string $str1 String 1
35 * @param string $str2 String 2
36 * @return string Formatted output.
37 */
38 public function makeDiffDisplay($str1, $str2)
39 {
40 if ($this->stripTags) {
41 $str1 = strip_tags($str1);
42 $str2 = strip_tags($str2);
43 }
44 $diff = new Diff(new Word());
45 return $diff->render($str1, $str2);
46 }
47 }