lib/htmlpurifier/HTMLPurifier/TagTransform.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/Token.php';
   4
   5 /**
   6  * Defines a mutation of an obsolete tag into a valid tag.
   7  */
   8 class HTMLPurifier_TagTransform
   9 {
  10
  11     /**
  12      * Tag name to transform the tag to.
  13      * @public
  14      */
  15     var $transform_to;
  16
  17     /**
  18      * Transforms the obsolete tag into the valid tag.
  19      * @param $tag Tag to be transformed.
  20      * @param $config Mandatory HTMLPurifier_Config object
  21      * @param $context Mandatory HTMLPurifier_Context object
  22      */
  23     function transform($tag, $config, &$context) {
  24         trigger_error('Call to abstract function', E_USER_ERROR);
  25     }
  26
  27     /**
  28      * Prepends CSS properties to the style attribute, creating the
  29      * attribute if it doesn't exist.
  30      * @warning Copied over from AttrTransform, be sure to keep in sync
  31      * @param $attr Attribute array to process (passed by reference)
  32      * @param $css CSS to prepend
  33      */
  34     function prependCSS(&$attr, $css) {
  35         $attr['style'] = isset($attr['style']) ? $attr['style'] : '';
  36         $attr['style'] = $css . $attr['style'];
  37     }
  38
  39 }
  40