ILIAS  release_5-3 Revision v5.3.23-19-g915713cf615
Linkify.php
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1<?php
2
7{
11 public $name = 'Linkify';
12
16 public $needed = array('a' => array('href'));
17
21 public function handleText(&$token)
22 {
23 if (!$this->allowsElement('a')) {
24 return;
25 }
26
27 if (strpos($token->data, '://') === false) {
28 // our really quick heuristic failed, abort
29 // this may not work so well if we want to match things like
30 // "google.com", but then again, most people don't
31 return;
32 }
33
34 // there is/are URL(s). Let's split the string.
35 // We use this regex:
36 // https://gist.github.com/gruber/249502
37 // but with @cscott's backtracking fix and also
38 // the Unicode characters un-Unicodified.
39 $bits = preg_split(
40 '/\\b((?:[a-z][\\w\\-]+:(?:\\/{1,3}|[a-z0-9%])|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}\\/)(?:[^\\s()<>]|\\((?:[^\\s()<>]|(?:\\([^\\s()<>]+\\)))*\\))+(?:\\((?:[^\\s()<>]|(?:\\([^\\s()<>]+\\)))*\\)|[^\\s`!()\\[\\]{};:\'".,<>?\x{00ab}\x{00bb}\x{201c}\x{201d}\x{2018}\x{2019}]))/iu',
41 $token->data, -1, PREG_SPLIT_DELIM_CAPTURE);
42
43
44 $token = array();
45
46 // $i = index
47 // $c = count
48 // $l = is link
49 for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) {
50 if (!$l) {
51 if ($bits[$i] === '') {
52 continue;
53 }
54 $token[] = new HTMLPurifier_Token_Text($bits[$i]);
55 } else {
56 $token[] = new HTMLPurifier_Token_Start('a', array('href' => $bits[$i]));
57 $token[] = new HTMLPurifier_Token_Text($bits[$i]);
58 $token[] = new HTMLPurifier_Token_End('a');
59 }
60 }
61 }
62}
63
64// vim: et sw=4 sts=4
global $l
Definition: afr.php:30
An exception for terminatinating execution or to throw for unit testing.
Injector that converts http, https and ftp text URLs to actual links.
Definition: Linkify.php:7
Injects tokens into the document while parsing for well-formedness.
Definition: Injector.php:17
allowsElement($name)
Tests if the context node allows a certain element.
Definition: Injector.php:147
Concrete end token class.
Definition: End.php:11
Concrete start token class.
Definition: Start.php:7
Concrete text token class.
Definition: Text.php:13
$i
Definition: disco.tpl.php:19
echo;exit;}function LogoutNotification($SessionID){ global $ilDB;$q="SELECT session_id, data FROM usr_session WHERE expires > (\w+)\|/" PREG_SPLIT_NO_EMPTY PREG_SPLIT_DELIM_CAPTURE