ILIAS  release_5-2 Revision v5.2.25-18-g3f80b828510
List.php
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1<?php
2
13{
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 $elements = array('li' => true, 'ul' => true, 'ol' => true);
24
31 public function validateChildren($children, $config, $context)
32 {
33 // Flag for subclasses
34 $this->whitespace = false;
35
36 // if there are no tokens, delete parent node
37 if (empty($children)) {
38 return false;
39 }
40
41 // if li is not allowed, delete parent node
42 if (!isset($config->getHTMLDefinition()->info['li'])) {
43 trigger_error("Cannot allow ul/ol without allowing li", E_USER_WARNING);
44 return false;
45 }
46
47 // the new set of children
48 $result = array();
49
50 // a little sanity check to make sure it's not ALL whitespace
51 $all_whitespace = true;
52
53 $current_li = false;
54
55 foreach ($children as $node) {
56 if (!empty($node->is_whitespace)) {
57 $result[] = $node;
58 continue;
59 }
60 $all_whitespace = false; // phew, we're not talking about whitespace
61
62 if ($node->name === 'li') {
63 // good
64 $current_li = $node;
65 $result[] = $node;
66 } else {
67 // we want to tuck this into the previous li
68 // Invariant: we expect the node to be ol/ul
69 // ToDo: Make this more robust in the case of not ol/ul
70 // by distinguishing between existing li and li created
71 // to handle non-list elements; non-list elements should
72 // not be appended to an existing li; only li created
73 // for non-list. This distinction is not currently made.
74 if ($current_li === false) {
75 $current_li = new HTMLPurifier_Node_Element('li');
76 $result[] = $current_li;
77 }
78 $current_li->children[] = $node;
79 $current_li->empty = false; // XXX fascinating! Check for this error elsewhere ToDo
80 }
81 }
82 if (empty($result)) {
83 return false;
84 }
85 if ($all_whitespace) {
86 return false;
87 }
88 return $result;
89 }
90}
91
92// vim: et sw=4 sts=4
$result
An exception for terminatinating execution or to throw for unit testing.
Definition for list containers ul and ol.
Definition: List.php:13
$type
@type string
Definition: List.php:17
$elements
@type array
Definition: List.php:23
validateChildren($children, $config, $context)
Definition: List.php:31
Defines allowed child nodes and validates nodes against it.
Definition: ChildDef.php:7
Concrete element node class.
Definition: Element.php:7