<?php /** * @copyright Copyright 2014 Carsten Brandt, 2024 Daniel Pimley * @license https://github.com/xenocrat/chyrp-markdown/blob/master/LICENSE * @link https://github.com/xenocrat/chyrp-markdown#readme */ namespace xenocrat\markdown; /** * Markdown parser for GitHub-Flavored Markdown. * * @see https://github.github.com/gfm/ * @author Carsten Brandt * @author Daniel Pimley */ class GithubMarkdown extends Markdown { // Include block element parsing using traits. use block\TableTrait; // Include inline element parsing using traits. use inline\AutoLinkTrait; use inline\StrikeoutTrait; /** * @inheritDoc */ protected $blockPriorities = [ 'Hr', 'Ul', 'Code', 'FencedCode', 'Html', 'Ol', 'Quote', 'Reference', 'Table', 'Headline', ]; /** * @var boolean Whether to interpret newlines as `<br />` tags. * * This feature is useful for comments where newlines are often * meant to be hard line breaks. */ public $enableNewlines = false; /** * @inheritDoc */ protected function consumeParagraph($lines, $current): array { $content = []; // Consume until blank line or end condition... for ($i = $current, $count = count($lines); $i < $count; $i++) { $line = $lines[$i]; if ( $line === '' || ($trimmed = ltrim($line)) === '' || ( (ctype_punct($trimmed[0]) || ctype_digit($trimmed[0])) && ( $this->identifyQuote($line, $lines, $i) || $this->identifyFencedCode($line, $lines, $i) || $this->identifyUl($line, $lines, $i) || $this->identifyOl($line, $lines, $i) || $this->identifyHr($line, $lines, $i) || $this->identifyHtml($line, $lines, $i) ) ) || $this->identifyHeadline($line, $lines, $i) ) { break; } else { $content[] = ltrim($line); } } $block = [ 'paragraph', 'content' => $this->parseInline(trim(implode("\n", $content))), ]; return [$block, --$i]; } /** * @inheritDoc * * Parses all newlines as hard line breaks if `enableNewlines` is set. */ protected function renderText($text): string { if ($this->enableNewlines) { $br = $this->html5 ? "<br>\n" : "<br />\n"; $text[1] = preg_replace("/ *\n/", $br, $text[1]); } return parent::renderText($text); } }