library/HTMLPurifier/AttrTransform/Length.php

   1 <?php
   2
   3 /**
   4  * Class for handling width/height length attribute transformations to CSS
   5  */
   6 class HTMLPurifier_AttrTransform_Length extends HTMLPurifier_AttrTransform
   7 {
   8
   9     protected $name;
  10     protected $cssName;
  11
  12     public function __construct($name, $css_name = null) {
  13         $this->name = $name;
  14         $this->cssName = $css_name ? $css_name : $name;
  15     }
  16
  17     public function transform($attr, $config, $context) {
  18         if (!isset($attr[$this->name])) return $attr;
  19         $length = $this->confiscateAttr($attr, $this->name);
  20         if(ctype_digit($length)) $length .= 'px';
  21         $this->prependCSS($attr, $this->cssName . ":$length;");
  22         return $attr;
  23     }
  24
  25 }
  26
  27 // vim: et sw=4 sts=4