1<?php
2
3/*
4 * This file is part of the league/commonmark package.
5 *
6 * (c) Colin O'Dell <colinodell@gmail.com>
7 *
8 * Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
9 *  - (c) John MacFarlane
10 *
11 * For the full copyright and license information, please view the LICENSE
12 * file that was distributed with this source code.
13 */
14
15namespace League\CommonMark\Block\Renderer;
16
17use League\CommonMark\Block\Element\AbstractBlock;
18use League\CommonMark\Block\Element\Heading;
19use League\CommonMark\ElementRendererInterface;
20use League\CommonMark\HtmlElement;
21
22final class HeadingRenderer implements BlockRendererInterface
23{
24    /**
25     * @param Heading                  $block
26     * @param ElementRendererInterface $htmlRenderer
27     * @param bool                     $inTightList
28     *
29     * @return HtmlElement
30     */
31    public function render(AbstractBlock $block, ElementRendererInterface $htmlRenderer, bool $inTightList = false)
32    {
33        if (!($block instanceof Heading)) {
34            throw new \InvalidArgumentException('Incompatible block type: ' . \get_class($block));
35        }
36
37        $tag = 'h' . $block->getLevel();
38
39        $attrs = $block->getData('attributes', []);
40
41        return new HtmlElement($tag, $attrs, $htmlRenderer->renderInlines($block->children()));
42    }
43}
44