projects / github / wallabag / wallabag.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 |