4 * Definition for list containers ul and ol.
6 * What does this do? The big thing is to handle ol/ul at the top
7 * level of list nodes, which should be handled specially by /folding/
8 * them into the previous list node. We generally shouldn't ever
9 * see other disallowed elements, because the autoclose behavior
10 * in MakeWellFormed handles it.
12 class HTMLPurifier_ChildDef_List
extends HTMLPurifier_ChildDef
17 public $type = 'list';
21 // lying a little bit, so that we can handle ul and ol ourselves
22 // XXX: This whole business with 'wrap' is all a bit unsatisfactory
23 public $elements = array('li' => true, 'ul' => true, 'ol' => true);
26 * @param array $children
27 * @param HTMLPurifier_Config $config
28 * @param HTMLPurifier_Context $context
31 public function validateChildren($children, $config, $context)
33 // Flag for subclasses
34 $this->whitespace
= false;
36 // if there are no tokens, delete parent node
37 if (empty($children)) {
41 // the new set of children
44 // a little sanity check to make sure it's not ALL whitespace
45 $all_whitespace = true;
49 foreach ($children as $node) {
50 if (!empty($node->is_whitespace
)) {
54 $all_whitespace = false; // phew, we're not talking about whitespace
56 if ($node->name
=== 'li') {
61 // we want to tuck this into the previous li
62 // Invariant: we expect the node to be ol/ul
63 // ToDo: Make this more robust in the case of not ol/ul
64 // by distinguishing between existing li and li created
65 // to handle non-list elements; non-list elements should
66 // not be appended to an existing li; only li created
67 // for non-list. This distinction is not currently made.
68 if ($current_li === false) {
69 $current_li = new HTMLPurifier_Node_Element('li');
70 $result[] = $current_li;
72 $current_li->children
[] = $node;
73 $current_li->empty = false; // XXX fascinating! Check for this error elsewhere ToDo
79 if ($all_whitespace) {