library/HTMLPurifier/HTMLModule/Bdo.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/HTMLModule.php';
   4 require_once 'HTMLPurifier/AttrTransform/BdoDir.php';
   5
   6 /**
   7  * XHTML 1.1 Bi-directional Text Module, defines elements that
   8  * declare directionality of content. Text Extension Module.
   9  */
  10 class HTMLPurifier_HTMLModule_Bdo extends HTMLPurifier_HTMLModule
  11 {
  12
  13     var $elements = array('bdo');
  14     var $info = array();
  15     var $content_sets = array('Inline' => 'bdo');
  16     var $attr_collection = array(
  17         'I18N' => array('dir' => false)
  18     );
  19
  20     function HTMLPurifier_HTMLModule_Bdo() {
  21         $dir = new HTMLPurifier_AttrDef_Enum(array('ltr','rtl'), false);
  22         $this->attr_collection['I18N']['dir'] = $dir;
  23         $this->info['bdo'] = new HTMLPurifier_ElementDef();
  24         $this->info['bdo']->attr = array(
  25             0 => array('Core'),
  26             'dir' => $dir, // required
  27             // The Abstract Module specification has the attribute
  28             // inclusions wrong for bdo: bdo allows
  29             // xml:lang too (and we'll toss in lang for good measure,
  30             // though it is not allowed for XHTML 1.1, this will
  31             // be managed with a global attribute transform)
  32             'lang' => 'Lang',
  33             'xml:lang' => 'Lang'
  34         );
  35         $this->info['bdo']->content_model = '#PCDATA | Inline';
  36         $this->info['bdo']->content_model_type = 'optional';
  37         // provides fallback behavior if dir's missing (dir is required)
  38         $this->info['bdo']->attr_transform_post[] =
  39             new HTMLPurifier_AttrTransform_BdoDir();
  40     }
  41
  42 }
  43
  44 ?>