lib/htmlpurifier/HTMLPurifier/AttrDef/CSS/TextDecoration.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/AttrDef.php';
   4
   5 /**
   6  * Validates the value for the CSS property text-decoration
   7  * @note This class could be generalized into a version that acts sort of
   8  *       like Enum except you can compound the allowed values.
   9  */
  10 class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
  11 {
  12
  13     function validate($string, $config, &$context) {
  14
  15         static $allowed_values = array(
  16             'line-through' => true,
  17             'overline' => true,
  18             'underline' => true
  19         );
  20
  21         $string = strtolower($this->parseCDATA($string));
  22         $parts = explode(' ', $string);
  23         $final = '';
  24         foreach ($parts as $part) {
  25             if (isset($allowed_values[$part])) {
  26                 $final .= $part . ' ';
  27             }
  28         }
  29         $final = rtrim($final);
  30         if ($final === '') return false;
  31         return $final;
  32
  33     }
  34
  35 }
  36