XOOPS 2.5.6  Final
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RemoveEmpty.php
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1 <?php
2 
4 {
5 
7 
8  public function prepare($config, $context) {
9  parent::prepare($config, $context);
10  $this->config = $config;
11  $this->context = $context;
12  $this->removeNbsp = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp');
13  $this->removeNbspExceptions = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions');
14  $this->attrValidator = new HTMLPurifier_AttrValidator();
15  }
16 
17  public function handleElement(&$token) {
18  if (!$token instanceof HTMLPurifier_Token_Start) return;
19  $next = false;
20  for ($i = $this->inputIndex + 1, $c = count($this->inputTokens); $i < $c; $i++) {
21  $next = $this->inputTokens[$i];
22  if ($next instanceof HTMLPurifier_Token_Text) {
23  if ($next->is_whitespace) continue;
24  if ($this->removeNbsp && !isset($this->removeNbspExceptions[$token->name])) {
25  $plain = str_replace("\xC2\xA0", "", $next->data);
26  $isWsOrNbsp = $plain === '' || ctype_space($plain);
27  if ($isWsOrNbsp) continue;
28  }
29  }
30  break;
31  }
32  if (!$next || ($next instanceof HTMLPurifier_Token_End && $next->name == $token->name)) {
33  if ($token->name == 'colgroup') return;
34  $this->attrValidator->validateToken($token, $this->config, $this->context);
35  $token->armor['ValidateAttributes'] = true;
36  if (isset($token->attr['id']) || isset($token->attr['name'])) return;
37  $token = $i - $this->inputIndex + 1;
38  for ($b = $this->inputIndex - 1; $b > 0; $b--) {
39  $prev = $this->inputTokens[$b];
40  if ($prev instanceof HTMLPurifier_Token_Text && $prev->is_whitespace) continue;
41  break;
42  }
43  // This is safe because we removed the token that triggered this.
44  $this->rewind($b - 1);
45  return;
46  }
47  }
48 
49 }
50 
51 // vim: et sw=4 sts=4