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
16namespace DokuWiki\Plugin\Commonmark\Extension\Renderer\Block;
17
18use League\CommonMark\Block\Element\AbstractBlock;
19use League\CommonMark\Block\Element\ListBlock;
20use League\CommonMark\ElementRendererInterface;
21use League\CommonMark\HtmlElement;
22use League\CommonMark\Block\Renderer\BlockRendererInterface;
23
24final class ListBlockRenderer implements BlockRendererInterface
25{
26    /**
27     * @param ListBlock                $block
28     * @param ElementRendererInterface $DWRenderer
29     * @param bool                     $inTightList
30     *
31     * @return string
32     */
33    public function render(AbstractBlock $block, ElementRendererInterface $DWRenderer, bool $inTightList = false)
34    {
35        if (!($block instanceof ListBlock)) {
36            throw new \InvalidArgumentException('Incompatible block type: ' . \get_class($block));
37        }
38
39        $listData = $block->getListData();
40
41        $tag = $listData->type === ListBlock::TYPE_BULLET ? "* " : "- ";
42
43        $attrs = $block->getData('attributes', []);
44
45        if ($listData->start !== null && $listData->start !== 1) {
46            $attrs['start'] = (string) $listData->start;
47        }
48
49        $result =
50                $DWRenderer->renderBlocks(
51                    $block->children(),
52                    $block->isTight()
53                );
54
55        $result = preg_replace("/\n/", "\n  ", $result); # add two-space indentation
56        $result = preg_replace("/\n(\s\s)+\n/", "\n", $result); # remove unwanted newline
57        $result = preg_replace("/<li>/", $tag, $result); # add DW list bullet
58        return "  " . $result;
59
60    }
61}
62