File indexing completed on 2024-06-16 05:29:43

 <?php
 
 /**
  * Validates the value for the CSS property text-decoration
  * @note This class could be generalized into a version that acts sort of
  *       like Enum except you can compound the allowed values.
  */
 class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
 {
 
     /**
      * @param string $string
      * @param HTMLPurifier_Config $config
      * @param HTMLPurifier_Context $context
      * @return bool|string
      */
     public function validate($string, $config, $context)
     {
         static $allowed_values = array(
             'line-through' => true,
             'overline' => true,
             'underline' => true,
         );
 
         $string = strtolower($this->parseCDATA($string));
 
         if ($string === 'none') {
             return $string;
         }
 
         $parts = explode(' ', $string);
         $final = '';
         foreach ($parts as $part) {
             if (isset($allowed_values[$part])) {
                 $final .= $part . ' ';
             }
         }
         $final = rtrim($final);
         if ($final === '') {
             return false;
         }
         return $final;
     }
 }
 
 // vim: et sw=4 sts=4