1: <?php
2:
3: 4: 5: 6: 7:
8: class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
9: {
10:
11: public function validate($string, $config, $context) {
12:
13: static $allowed_values = array(
14: 'line-through' => true,
15: 'overline' => true,
16: 'underline' => true,
17: );
18:
19: $string = strtolower($this->parseCDATA($string));
20:
21: if ($string === 'none') return $string;
22:
23: $parts = explode(' ', $string);
24: $final = '';
25: foreach ($parts as $part) {
26: if (isset($allowed_values[$part])) {
27: $final .= $part . ' ';
28: }
29: }
30: $final = rtrim($final);
31: if ($final === '') return false;
32: return $final;
33:
34: }
35:
36: }
37:
38:
39: