lib/htmlpurifier/HTMLPurifier/HTMLModule/List.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/HTMLModule.php';
   4
   5 /**
   6  * XHTML 1.1 List Module, defines list-oriented elements. Core Module.
   7  */
   8 class HTMLPurifier_HTMLModule_List extends HTMLPurifier_HTMLModule
   9 {
  10
  11     var $name = 'List';
  12     var $elements = array('dl', 'dt', 'dd', 'ol', 'ul', 'li');
  13
  14     // According to the abstract schema, the List content set is a fully formed
  15     // one or more expr, but it invariably occurs in an optional declaration
  16     // so we're not going to do that subtlety. It might cause trouble
  17     // if a user defines "List" and expects that multiple lists are
  18     // allowed to be specified, but then again, that's not very intuitive.
  19     // Furthermore, the actual XML Schema may disagree. Regardless,
  20     // we don't have support for such nested expressions without using
  21     // the incredibly inefficient and draconic Custom ChildDef.
  22     var $content_sets = array('List' => 'dl | ol | ul', 'Flow' => 'List');
  23
  24     function HTMLPurifier_HTMLModule_List() {
  25         foreach ($this->elements as $element) {
  26             $this->info[$element] = new HTMLPurifier_ElementDef();
  27             $this->info[$element]->attr = array(0 => array('Common'));
  28             if ($element == 'li' || $element == 'dd') {
  29                 $this->info[$element]->content_model = '#PCDATA | Flow';
  30                 $this->info[$element]->content_model_type = 'optional';
  31             } elseif ($element == 'ol' || $element == 'ul') {
  32                 $this->info[$element]->content_model = 'li';
  33                 $this->info[$element]->content_model_type = 'required';
  34             }
  35         }
  36         $this->info['dt']->content_model = '#PCDATA | Inline';
  37         $this->info['dt']->content_model_type = 'optional';
  38         $this->info['dl']->content_model = 'dt | dd';
  39         $this->info['dl']->content_model_type = 'required';
  40         // this could be a LOT more robust
  41         $this->info['li']->auto_close = array('li' => true);
  42     }
  43
  44 }
  45
  46 ?>