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   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 $name = 'Image';
  12  
  13      public function setup($config) {
  14          $max = $config->get('HTML', 'MaxImgLength');
  15          $img = $this->addElement(
  16              'img', 'Inline', 'Empty', 'Common',
  17              array(
  18                  'alt*' => 'Text',
  19                  // According to the spec, it's Length, but percents can
  20                  // be abused, so we allow only Pixels.
  21                  'height' => 'Pixels#' . $max,
  22                  'width'  => 'Pixels#' . $max,
  23                  'longdesc' => 'URI',
  24                  'src*' => new HTMLPurifier_AttrDef_URI(true), // embedded
  25              )
  26          );
  27          if ($max === null || $config->get('HTML', 'Trusted')) {
  28              $img->attr['height'] =
  29              $img->attr['width'] = 'Length';
  30          }
  31  
  32          // kind of strange, but splitting things up would be inefficient
  33          $img->attr_transform_pre[] =
  34          $img->attr_transform_post[] =
  35              new HTMLPurifier_AttrTransform_ImgRequired();
  36      }
  37  
  38  }
  39  
  40  // vim: et sw=4 sts=4