File indexing completed on 2025-02-02 05:43:42

 <?php
 
 /**
  * Pre-transform that changes deprecated hspace and vspace attributes to CSS
  */
 class HTMLPurifier_AttrTransform_ImgSpace extends HTMLPurifier_AttrTransform
 {
     /**
      * @type string
      */
     protected $attr;
 
     /**
      * @type array
      */
     protected $css = array(
         'hspace' => array('left', 'right'),
         'vspace' => array('top', 'bottom')
     );
 
     /**
      * @param string $attr
      */
     public function __construct($attr)
     {
         $this->attr = $attr;
         if (!isset($this->css[$attr])) {
             trigger_error(htmlspecialchars($attr) . ' is not valid space attribute');
         }
     }
 
     /**
      * @param array $attr
      * @param HTMLPurifier_Config $config
      * @param HTMLPurifier_Context $context
      * @return array
      */
     public function transform($attr, $config, $context)
     {
         if (!isset($attr[$this->attr])) {
             return $attr;
         }
 
         $width = $this->confiscateAttr($attr, $this->attr);
         // some validation could happen here
 
         if (!isset($this->css[$this->attr])) {
             return $attr;
         }
 
         $style = '';
         foreach ($this->css[$this->attr] as $suffix) {
             $property = "margin-$suffix";
             $style .= "$property:{$width}px;";
         }
         $this->prependCSS($attr, $style);
         return $attr;
     }
 }
 
 // vim: et sw=4 sts=4