library/HTMLPurifier/HTMLModule/Image.php

   1 <?php
   2
   3 /**
   4  * XHTML 1.1 Image Module provides basic image embedding.
   5  * @note There is specialized code for removing empty images in
   6  *       HTMLPurifier_Strategy_RemoveForeignElements
   7  */
   8 class HTMLPurifier_HTMLModule_Image extends HTMLPurifier_HTMLModule
   9 {
  10
  11     public $name = 'Image';
  12
  13     public function __construct() {
  14         $img = $this->addElement(
  15             'img', 'Inline', 'Empty', 'Common',
  16             array(
  17                 'alt*' => 'Text',
  18                 // According to the spec, it's Length, but percents can
  19                 // be abused, so we allow only Pixels. A trusted module
  20                 // could overload this with the real value.
  21                 'height' => 'Pixels',
  22                 'width' => 'Pixels',
  23                 'longdesc' => 'URI',
  24                 'src*' => new HTMLPurifier_AttrDef_URI(true), // embedded
  25             )
  26         );
  27         // kind of strange, but splitting things up would be inefficient
  28         $img->attr_transform_pre[] =
  29         $img->attr_transform_post[] =
  30             new HTMLPurifier_AttrTransform_ImgRequired();
  31     }
  32
  33 }
  34