XOOPS 2.5.6  Final
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Linkify.php
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1 <?php
2 
7 {
8 
9  public $name = 'Linkify';
10  public $needed = array('a' => array('href'));
11 
12  public function handleText(&$token) {
13  if (!$this->allowsElement('a')) return;
14 
15  if (strpos($token->data, '://') === false) {
16  // our really quick heuristic failed, abort
17  // this may not work so well if we want to match things like
18  // "google.com", but then again, most people don't
19  return;
20  }
21 
22  // there is/are URL(s). Let's split the string:
23  // Note: this regex is extremely permissive
24  $bits = preg_split('#((?:https?|ftp)://[^\s\'"<>()]+)#S', $token->data, -1, PREG_SPLIT_DELIM_CAPTURE);
25 
26  $token = array();
27 
28  // $i = index
29  // $c = count
30  // $l = is link
31  for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) {
32  if (!$l) {
33  if ($bits[$i] === '') continue;
34  $token[] = new HTMLPurifier_Token_Text($bits[$i]);
35  } else {
36  $token[] = new HTMLPurifier_Token_Start('a', array('href' => $bits[$i]));
37  $token[] = new HTMLPurifier_Token_Text($bits[$i]);
38  $token[] = new HTMLPurifier_Token_End('a');
39  }
40  }
41 
42  }
43 
44 }
45 
46 // vim: et sw=4 sts=4