library/HTMLPurifier/TagTransform/Simple.php

   1 <?php
   2
   3 /**
   4  * Simple transformation, just change tag name to something else,
   5  * and possibly add some styling. This will cover most of the deprecated
   6  * tag cases.
   7  */
   8 class HTMLPurifier_TagTransform_Simple extends HTMLPurifier_TagTransform
   9 {
  10     /**
  11      * @type string
  12      */
  13     protected $style;
  14
  15     /**
  16      * @param string $transform_to Tag name to transform to.
  17      * @param string $style CSS style to add to the tag
  18      */
  19     public function __construct($transform_to, $style = null)
  20     {
  21         $this->transform_to = $transform_to;
  22         $this->style = $style;
  23     }
  24
  25     /**
  26      * @param HTMLPurifier_Token_Tag $tag
  27      * @param HTMLPurifier_Config $config
  28      * @param HTMLPurifier_Context $context
  29      * @return string
  30      */
  31     public function transform($tag, $config, $context)
  32     {
  33         $new_tag = clone $tag;
  34         $new_tag->name = $this->transform_to;
  35         if (!is_null($this->style) &&
  36             ($new_tag instanceof HTMLPurifier_Token_Start || $new_tag instanceof HTMLPurifier_Token_Empty)
  37         ) {
  38             $this->prependCSS($new_tag->attr, $this->style);
  39         }
  40         return $new_tag;
  41     }
  42 }
  43
  44 // vim: et sw=4 sts=4