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d4949327 NL |
1 | <?php\r |
2 | \r | |
3 | /**\r | |
4 | * Definition for list containers ul and ol.\r | |
5 | *\r | |
6 | * What does this do? The big thing is to handle ol/ul at the top\r | |
7 | * level of list nodes, which should be handled specially by /folding/\r | |
8 | * them into the previous list node. We generally shouldn't ever\r | |
9 | * see other disallowed elements, because the autoclose behavior\r | |
10 | * in MakeWellFormed handles it.\r | |
11 | */\r | |
12 | class HTMLPurifier_ChildDef_List extends HTMLPurifier_ChildDef\r | |
13 | {\r | |
14 | /**\r | |
15 | * @type string\r | |
16 | */\r | |
17 | public $type = 'list';\r | |
18 | /**\r | |
19 | * @type array\r | |
20 | */\r | |
21 | // lying a little bit, so that we can handle ul and ol ourselves\r | |
22 | // XXX: This whole business with 'wrap' is all a bit unsatisfactory\r | |
23 | public $elements = array('li' => true, 'ul' => true, 'ol' => true);\r | |
24 | \r | |
25 | /**\r | |
26 | * @param array $children\r | |
27 | * @param HTMLPurifier_Config $config\r | |
28 | * @param HTMLPurifier_Context $context\r | |
29 | * @return array\r | |
30 | */\r | |
31 | public function validateChildren($children, $config, $context)\r | |
32 | {\r | |
33 | // Flag for subclasses\r | |
34 | $this->whitespace = false;\r | |
35 | \r | |
36 | // if there are no tokens, delete parent node\r | |
37 | if (empty($children)) {\r | |
38 | return false;\r | |
39 | }\r | |
40 | \r | |
41 | // the new set of children\r | |
42 | $result = array();\r | |
43 | \r | |
44 | // a little sanity check to make sure it's not ALL whitespace\r | |
45 | $all_whitespace = true;\r | |
46 | \r | |
47 | $current_li = false;\r | |
48 | \r | |
49 | foreach ($children as $node) {\r | |
50 | if (!empty($node->is_whitespace)) {\r | |
51 | $result[] = $node;\r | |
52 | continue;\r | |
53 | }\r | |
54 | $all_whitespace = false; // phew, we're not talking about whitespace\r | |
55 | \r | |
56 | if ($node->name === 'li') {\r | |
57 | // good\r | |
58 | $current_li = $node;\r | |
59 | $result[] = $node;\r | |
60 | } else {\r | |
61 | // we want to tuck this into the previous li\r | |
62 | // Invariant: we expect the node to be ol/ul\r | |
63 | // ToDo: Make this more robust in the case of not ol/ul\r | |
64 | // by distinguishing between existing li and li created\r | |
65 | // to handle non-list elements; non-list elements should\r | |
66 | // not be appended to an existing li; only li created\r | |
67 | // for non-list. This distinction is not currently made.\r | |
68 | if ($current_li === false) {\r | |
69 | $current_li = new HTMLPurifier_Node_Element('li');\r | |
70 | $result[] = $current_li;\r | |
71 | }\r | |
72 | $current_li->children[] = $node;\r | |
73 | $current_li->empty = false; // XXX fascinating! Check for this error elsewhere ToDo\r | |
74 | }\r | |
75 | }\r | |
76 | if (empty($result)) {\r | |
77 | return false;\r | |
78 | }\r | |
79 | if ($all_whitespace) {\r | |
80 | return false;\r | |
81 | }\r | |
82 | return $result;\r | |
83 | }\r | |
84 | }\r | |
85 | \r | |
86 | // vim: et sw=4 sts=4\r |