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comparison src/Database/MarkdownParser.php @ 2:b44434aaa767

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Moving around the components. Made a big step in the right direction with the Builder and named joins being accessible.
author luka
date Wed, 18 Jun 2025 22:28:47 -0400
parents
children 84c75d9d90be
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1:56d9c64d64aa 2:b44434aaa767
1 <?php
2
3 namespace Libraries;
4
5 class MarkdownParser
6 {
7 public static function toHtml(string $markdown): string
8 {
9 $code_block_pattern = '/```([a-z]+)\s+(.*?)\s+```/si';
10 $inline_code_pattern = '/`\s*(.*?)\s*`/si';
11 $matches = [];
12
13 preg_match_all($code_block_pattern, $markdown, $matches, PREG_SET_ORDER);
14 $code_blocks = [];
15 foreach ($matches as $index => $match) {
16 $code_blocks[] = [
17 'language' => $match[1],
18 'code' => $match[2],
19 ];
20 }
21
22 foreach ($matches as $index => $match) {
23 $markdown = preg_replace('/'.preg_quote($match[0], '/').'/', '[CODE_BLOCK_'.$index.']', $markdown, 1);
24 }
25
26 preg_match_all($inline_code_pattern, $markdown, $matches, PREG_SET_ORDER);
27 $inline_code = [];
28 foreach ($matches as $index => $match) {
29 $inline_code[] = [
30 'code' => $match[1],
31 ];
32 }
33
34 foreach ($matches as $index => $match) {
35 $markdown = preg_replace('/'.preg_quote($match[0], '/').'/', '[INLINE_CODE_'.$index.']', $markdown, 1);
36 }
37
38 $markdown = preg_replace('/`(.+?)`/', '<code>$1</code>', $markdown);
39 $markdown = preg_replace('/\#{6}\s(.+)/', '<h6>$1</h6>', $markdown);
40 $markdown = preg_replace('/\#{5}\s(.+)/', '<h5>$1</h5>', $markdown);
41 $markdown = preg_replace('/\#{4}\s(.+)/', '<h4>$1</h4>', $markdown);
42 $markdown = preg_replace('/\#{3}\s(.+)/', '<h3>$1</h3>', $markdown);
43 $markdown = preg_replace('/\#{2}\s(.+)/', '<h2>$1</h2>', $markdown);
44 $markdown = preg_replace('/\#\s(.+)/', '<h1>$1</h1>', $markdown);
45 $markdown = preg_replace('/\*\*\*(.+?)\*\*\*/', '<strong><em>$1</em></strong>', $markdown);
46 $markdown = preg_replace('/\*\*(.+?)\*\*/', '<strong>$1</strong>', $markdown);
47 $markdown = preg_replace('/\*(.+?)\*/', '<em>$1</em>', $markdown);
48 $markdown = preg_replace('/\[(.+?)\]\((.+?)\)/', '<a href="$2">$1</a>', $markdown);
49 $markdown = preg_replace("/\r\n|\r|\n/", '<br>', $markdown);
50
51 foreach ($code_blocks as $index => $code_block) {
52 $language = $code_block['language'];
53 $language = $language == 'blade' ? 'html' : $language;
54 $code_block['code'] = '<pre><code class="match-braces language-'.$language.'">'.htmlentities($code_block['code']).'</code></pre>';
55 $markdown = str_replace('[CODE_BLOCK_'.$index.']', $code_block['code'], $markdown);
56 }
57
58 foreach ($inline_code as $index => $code) {
59 $code['code'] = '<code>'.htmlentities($code['code']).'</code>';
60 $markdown = str_replace('[INLINE_CODE_'.$index.']', $code['code'], $markdown);
61 }
62
63 return $markdown;
64 }
65 }