File indexing completed on 2024-12-22 05:36:18

 <?php
 
 /**
  * Validates the HTML type length (not to be confused with CSS's length).
  *
  * This accepts integer pixels or percentages as lengths for certain
  * HTML attributes.
  */
 
 class HTMLPurifier_AttrDef_HTML_Length extends HTMLPurifier_AttrDef_HTML_Pixels
 {
 
     /**
      * @param string $string
      * @param HTMLPurifier_Config $config
      * @param HTMLPurifier_Context $context
      * @return bool|string
      */
     public function validate($string, $config, $context)
     {
         $string = trim($string);
         if ($string === '') {
             return false;
         }
 
         $parent_result = parent::validate($string, $config, $context);
         if ($parent_result !== false) {
             return $parent_result;
         }
 
         $length = strlen($string);
         $last_char = $string[$length - 1];
 
         if ($last_char !== '%') {
             return false;
         }
 
         $points = substr($string, 0, $length - 1);
 
         if (!is_numeric($points)) {
             return false;
         }
 
         $points = (int)$points;
 
         if ($points < 0) {
             return '0%';
         }
         if ($points > 100) {
             return '100%';
         }
         return ((string)$points) . '%';
     }
 }
 
 // vim: et sw=4 sts=4