57 lines
1.7 KiB
PHP
57 lines
1.7 KiB
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
/*
|
|
* Copyright (C) 2019 Daniel Siepmann <coding@daniel-siepmann.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA.
|
|
*/
|
|
|
|
namespace DanielSiepmann\DsSite\UserFunction;
|
|
|
|
use Highlight\Highlighter;
|
|
use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
|
|
|
|
/**
|
|
* Highlights the current value via library.
|
|
* Returns HTML Markup with css classes for proper highlighting.
|
|
*/
|
|
class CodeHighlighting
|
|
{
|
|
/**
|
|
* @var ContentObjectRenderer
|
|
*/
|
|
public $cObj;
|
|
|
|
public function preTag(string $content, array $config): string
|
|
{
|
|
$highlighter = new Highlighter();
|
|
$highlighter->setClassPrefix('');
|
|
$code = $this->cObj->data[$this->cObj->currentValKey];
|
|
$code = htmlspecialchars_decode(trim($code));
|
|
|
|
try {
|
|
// Highlight some code.
|
|
$highlighted = $highlighter->highlightAuto($code);
|
|
$content = '<pre><code>' . $highlighted->value . '</code></pre>';
|
|
} catch (\DomainException $e) {
|
|
$content = '<pre><code>' . $code . '</code></pre>';
|
|
}
|
|
|
|
return $content;
|
|
}
|
|
}
|