File indexing completed on 2024-05-12 06:02:05

 <?php
 
 /**
  * Injector that converts configuration directive syntax %Namespace.Directive
  * to links
  */
 class HTMLPurifier_Injector_PurifierLinkify extends HTMLPurifier_Injector
 {
     /**
      * @type string
      */
     public $name = 'PurifierLinkify';
 
     /**
      * @type string
      */
     public $docURL;
 
     /**
      * @type array
      */
     public $needed = array('a' => array('href'));
 
     /**
      * @param HTMLPurifier_Config $config
      * @param HTMLPurifier_Context $context
      * @return string
      */
     public function prepare($config, $context)
     {
         $this->docURL = $config->get('AutoFormat.PurifierLinkify.DocURL');
         return parent::prepare($config, $context);
     }
 
     /**
      * @param HTMLPurifier_Token $token
      */
     public function handleText(&$token)
     {
         if (!$this->allowsElement('a')) {
             return;
         }
         if (strpos($token->data, '%') === false) {
             return;
         }
 
         $bits = preg_split('#%([a-z0-9]+\.[a-z0-9]+)#Si', $token->data, -1, PREG_SPLIT_DELIM_CAPTURE);
         $token = array();
 
         // $i = index
         // $c = count
         // $l = is link
         for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) {
             if (!$l) {
                 if ($bits[$i] === '') {
                     continue;
                 }
                 $token[] = new HTMLPurifier_Token_Text($bits[$i]);
             } else {
                 $token[] = new HTMLPurifier_Token_Start(
                     'a',
                     array('href' => str_replace('%s', $bits[$i], $this->docURL))
                 );
                 $token[] = new HTMLPurifier_Token_Text('%' . $bits[$i]);
                 $token[] = new HTMLPurifier_Token_End('a');
             }
         }
     }
 }
 
 // vim: et sw=4 sts=4