1<?php
2
3/*
4 * This file is part of the clockoon/dokuwiki-commonmark-plugin package.
5 *
6 * (c) Sungbin Jeon <clockoon@gmail.com>
7 *
8 * Original code based on the followings:
9 * - CommonMark JS reference parser (https://bitly.com/commonmark-js) (c) John MacFarlane
10 * - league/commonmark (https://github.com/thephpleague/commonmark) (c) Colin O'Dell <colinodell@gmail.com>
11 *
12 * For the full copyright and license information, please view the LICENSE
13 * file that was distributed with this source code.
14 */
15
16declare(strict_types=1);
17
18namespace DokuWiki\Plugin\Commonmark\Extension\Renderer\Inline;
19
20use League\CommonMark\ElementRendererInterface;
21use League\CommonMark\Extension\Footnote\Node\FootnoteBackref;
22use League\CommonMark\Inline\Element\AbstractInline;
23use League\CommonMark\Inline\Renderer\InlineRendererInterface;
24use League\CommonMark\Util\ConfigurationAwareInterface;
25use League\CommonMark\Util\ConfigurationInterface;
26
27final class FootnoteBackrefRenderer implements InlineRendererInterface, ConfigurationAwareInterface
28{
29    /** @var ConfigurationInterface */
30    private $config;
31
32    public function render(AbstractInline $inline, ElementRendererInterface $DWRenderer)
33    {
34        if (!($inline instanceof FootnoteBackref)) {
35            throw new \InvalidArgumentException('Incompatible inline type: ' . \get_class($inline));
36        }
37
38        return '';
39    }
40
41    public function setConfiguration(ConfigurationInterface $configuration)
42    {
43        $this->config = $configuration;
44    }
45}
46