mirror of
https://github.com/friendica/friendica
synced 2024-12-26 23:20:16 +00:00
52 lines
2.1 KiB
PHP
52 lines
2.1 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
class HTMLPurifier_Injector_RemoveEmpty extends HTMLPurifier_Injector
|
||
|
|
{
|
||
|
|
|
||
|
|
private $context, $config, $attrValidator, $removeNbsp, $removeNbspExceptions;
|
||
|
|
|
||
|
|
public function prepare($config, $context) {
|
||
|
|
parent::prepare($config, $context);
|
||
|
|
$this->config = $config;
|
||
|
|
$this->context = $context;
|
||
|
|
$this->removeNbsp = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp');
|
||
|
|
$this->removeNbspExceptions = $config->get('AutoFormat.RemoveEmpty.RemoveNbsp.Exceptions');
|
||
|
|
$this->attrValidator = new HTMLPurifier_AttrValidator();
|
||
|
|
}
|
||
|
|
|
||
|
|
public function handleElement(&$token) {
|
||
|
|
if (!$token instanceof HTMLPurifier_Token_Start) return;
|
||
|
|
$next = false;
|
||
|
|
for ($i = $this->inputIndex + 1, $c = count($this->inputTokens); $i < $c; $i++) {
|
||
|
|
$next = $this->inputTokens[$i];
|
||
|
|
if ($next instanceof HTMLPurifier_Token_Text) {
|
||
|
|
if ($next->is_whitespace) continue;
|
||
|
|
if ($this->removeNbsp && !isset($this->removeNbspExceptions[$token->name])) {
|
||
|
|
$plain = str_replace("\xC2\xA0", "", $next->data);
|
||
|
|
$isWsOrNbsp = $plain === '' || ctype_space($plain);
|
||
|
|
if ($isWsOrNbsp) continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (!$next || ($next instanceof HTMLPurifier_Token_End && $next->name == $token->name)) {
|
||
|
|
if ($token->name == 'colgroup') return;
|
||
|
|
$this->attrValidator->validateToken($token, $this->config, $this->context);
|
||
|
|
$token->armor['ValidateAttributes'] = true;
|
||
|
|
if (isset($token->attr['id']) || isset($token->attr['name'])) return;
|
||
|
|
$token = $i - $this->inputIndex + 1;
|
||
|
|
for ($b = $this->inputIndex - 1; $b > 0; $b--) {
|
||
|
|
$prev = $this->inputTokens[$b];
|
||
|
|
if ($prev instanceof HTMLPurifier_Token_Text && $prev->is_whitespace) continue;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
// This is safe because we removed the token that triggered this.
|
||
|
|
$this->rewind($b - 1);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// vim: et sw=4 sts=4
|