62 lines
1.9 KiB
PHP
62 lines
1.9 KiB
PHP
<?php
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declare(strict_types = 1);
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// {{{ License
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
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// }}}
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/**
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* LaTeX note support for GNU social
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*
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* @package GNUsocial
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* @category Plugin
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*
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* @author Phablulo <phablulo@gmail.com>
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* @copyright 2018-2019, 2021 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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namespace Plugin\LatexNotes;
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use App\Core\Event;
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use App\Core\Modules\Plugin;
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use EventResult;
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use PhpLatex_Parser;
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use PhpLatex_Renderer_Html;
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class LatexNotes extends Plugin
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{
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public function onPostingAvailableContentTypes(array &$types): EventResult
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{
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$types['LaTeX'] = 'application/x-latex';
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return Event::next;
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}
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public function onRenderNoteContent($content, $content_type, &$rendered): EventResult
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{
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if ($content_type !== 'application/x-latex') {
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return Event::next;
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}
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// https://github.com/xemlock/php-latex
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$parser = new PhpLatex_Parser();
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$parsedTree = $parser->parse($content);
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$htmlRenderer = new PhpLatex_Renderer_Html();
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$rendered = $htmlRenderer->render($parsedTree);
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return Event::stop;
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}
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}
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