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

 <?php
 
 /**
  * Injector that removes spans with no attributes
  */
 class HTMLPurifier_Injector_RemoveSpansWithoutAttributes extends HTMLPurifier_Injector
 {
     /**
      * @type string
      */
     public $name = 'RemoveSpansWithoutAttributes';
 
     /**
      * @type array
      */
     public $needed = array('span');
 
     /**
      * @type HTMLPurifier_AttrValidator
      */
     private $attrValidator;
 
     /**
      * Used by AttrValidator.
      * @type HTMLPurifier_Config
      */
     private $config;
 
     /**
      * @type HTMLPurifier_Context
      */
     private $context;
 
     public function prepare($config, $context)
     {
         $this->attrValidator = new HTMLPurifier_AttrValidator();
         $this->config = $config;
         $this->context = $context;
         return parent::prepare($config, $context);
     }
 
     /**
      * @param HTMLPurifier_Token $token
      */
     public function handleElement(&$token)
     {
         if ($token->name !== 'span' || !$token instanceof HTMLPurifier_Token_Start) {
             return;
         }
 
         // We need to validate the attributes now since this doesn't normally
         // happen until after MakeWellFormed. If all the attributes are removed
         // the span needs to be removed too.
         $this->attrValidator->validateToken($token, $this->config, $this->context);
         $token->armor['ValidateAttributes'] = true;
 
         if (!empty($token->attr)) {
             return;
         }
 
         $nesting = 0;
         while ($this->forwardUntilEndToken($i, $current, $nesting)) {
         }
 
         if ($current instanceof HTMLPurifier_Token_End && $current->name === 'span') {
             // Mark closing span tag for deletion
             $current->markForDeletion = true;
             // Delete open span tag
             $token = false;
         }
     }
 
     /**
      * @param HTMLPurifier_Token $token
      */
     public function handleEnd(&$token)
     {
         if ($token->markForDeletion) {
             $token = false;
         }
     }
 }
 
 // vim: et sw=4 sts=4