Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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Parser.php
01 <?php
02
03 /**
04 * @package s9e\TextFormatter
05 * @copyright Copyright (c) 2010-2022 The s9e authors
06 * @license http://www.opensource.org/licenses/mit-license.php The MIT License
07 */
08 namespace s9e\TextFormatter\Plugins\Autolink;
09
10 use s9e\TextFormatter\Plugins\ParserBase;
11
12 class Parser extends ParserBase
13 {
14 /**
15 * {@inheritdoc}
16 */
17 public function parse($text, array $matches)
18 {
19 foreach ($matches as $m)
20 {
21 // Linkify the trimmed URL
22 $this->linkifyUrl($m[0][1], $this->trimUrl($m[0][0]));
23 }
24 }
25
26 /**
27 * Linkify given URL at given position
28 *
29 * @param integer $tagPos URL's position in the text
30 * @param string $url URL
31 * @return void
32 */
33 protected function linkifyUrl($tagPos, $url)
34 {
35 // Create a zero-width end tag right after the URL
36 $endPos = $tagPos + strlen($url);
37 $endTag = $this->parser->addEndTag($this->config['tagName'], $endPos, 0);
38
39 // If the URL starts with "www." we prepend "http://"
40 if ($url[3] === '.')
41 {
42 $url = 'http://' . $url;
43 }
44
45 // Create a zero-width start tag right before the URL, with a slightly worse priority to
46 // allow specialized plugins to use the URL instead
47 $startTag = $this->parser->addStartTag($this->config['tagName'], $tagPos, 0, 1);
48 $startTag->setAttribute($this->config['attrName'], $url);
49
50 // Pair the tags together
51 $startTag->pairWith($endTag);
52
53 // Protect the tag's content from partial replacements with a low priority tag
54 $contentTag = $this->parser->addVerbatim($tagPos, $endPos - $tagPos, 1000);
55 $startTag->cascadeInvalidationTo($contentTag);
56 }
57
58 /**
59 * Remove trailing punctuation from given URL
60 *
61 * We remove most ASCII non-letters and Unicode punctuation from the end of the string.
62 * Exceptions:
63 * - dashes and underscores, (base64 IDs could end with one)
64 * - equal signs, (because of "foo?bar=")
65 * - plus signs, (used by some file share services to force download)
66 * - trailing slashes,
67 * - closing parentheses. (they are balanced separately)
68 *
69 * @param string $url Original URL
70 * @return string Trimmed URL
71 */
72 protected function trimUrl($url)
73 {
74 return preg_replace('#(?:(?![-=+)/_])[\\s!-.:-@[-`{-~\\pP])+$#Du', '', $url);
75 }
76 }