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 DokuWiki\Plugin\Commonmark\Extension\Renderer\Block; 16 17use League\CommonMark\Block\Element\AbstractBlock; 18use League\CommonMark\Block\Element\Heading; 19use League\CommonMark\ElementRendererInterface; 20use League\CommonMark\Block\Renderer\BlockRendererInterface; 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 $DWRenderer, bool $inTightList = false) 32 { 33 if (!($block instanceof Heading)) { 34 throw new \InvalidArgumentException('Incompatible block type: ' . \get_class($block)); 35 } 36 37 $heading = str_repeat('=', max(6 - $block->getLevel(), 1)) . ' '; 38 39 $result = $heading . $DWRenderer->renderInlines($block->children()) . strrev($heading); 40 41 return $result; 42 } 43} 44