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     /**
  10      * @type string
  11      */
  12     protected $name;
  13
  14     /**
  15      * @type string
  16      */
  17     protected $cssName;
  18
  19     public function __construct($name, $css_name = null)
  20     {
  21         $this->name = $name;
  22         $this->cssName = $css_name ? $css_name : $name;
  23     }
  24
  25     /**
  26      * @param array $attr
  27      * @param HTMLPurifier_Config $config
  28      * @param HTMLPurifier_Context $context
  29      * @return array
  30      */
  31     public function transform($attr, $config, $context)
  32     {
  33         if (!isset($attr[$this->name])) {
  34             return $attr;
  35         }
  36         $length = $this->confiscateAttr($attr, $this->name);
  37         if (ctype_digit($length)) {
  38             $length .= 'px';
  39         }
  40         $this->prependCSS($attr, $this->cssName . ":$length;");
  41         return $attr;
  42     }
  43 }
  44
  45 // vim: et sw=4 sts=4