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d4949327 NL |
1 | <?php\r |
2 | \r | |
3 | /**\r | |
4 | * Component of HTMLPurifier_AttrContext that accumulates IDs to prevent dupes\r | |
5 | * @note In Slashdot-speak, dupe means duplicate.\r | |
6 | * @note The default constructor does not accept $config or $context objects:\r | |
7 | * use must use the static build() factory method to perform initialization.\r | |
8 | */\r | |
9 | class HTMLPurifier_IDAccumulator\r | |
10 | {\r | |
11 | \r | |
12 | /**\r | |
13 | * Lookup table of IDs we've accumulated.\r | |
14 | * @public\r | |
15 | */\r | |
16 | public $ids = array();\r | |
17 | \r | |
18 | /**\r | |
19 | * Builds an IDAccumulator, also initializing the default blacklist\r | |
20 | * @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config\r | |
21 | * @param HTMLPurifier_Context $context Instance of HTMLPurifier_Context\r | |
22 | * @return HTMLPurifier_IDAccumulator Fully initialized HTMLPurifier_IDAccumulator\r | |
23 | */\r | |
24 | public static function build($config, $context)\r | |
25 | {\r | |
26 | $id_accumulator = new HTMLPurifier_IDAccumulator();\r | |
27 | $id_accumulator->load($config->get('Attr.IDBlacklist'));\r | |
28 | return $id_accumulator;\r | |
29 | }\r | |
30 | \r | |
31 | /**\r | |
32 | * Add an ID to the lookup table.\r | |
33 | * @param string $id ID to be added.\r | |
34 | * @return bool status, true if success, false if there's a dupe\r | |
35 | */\r | |
36 | public function add($id)\r | |
37 | {\r | |
38 | if (isset($this->ids[$id])) {\r | |
39 | return false;\r | |
40 | }\r | |
41 | return $this->ids[$id] = true;\r | |
42 | }\r | |
43 | \r | |
44 | /**\r | |
45 | * Load a list of IDs into the lookup table\r | |
46 | * @param $array_of_ids Array of IDs to load\r | |
47 | * @note This function doesn't care about duplicates\r | |
48 | */\r | |
49 | public function load($array_of_ids)\r | |
50 | {\r | |
51 | foreach ($array_of_ids as $id) {\r | |
52 | $this->ids[$id] = true;\r | |
53 | }\r | |
54 | }\r | |
55 | }\r | |
56 | \r | |
57 | // vim: et sw=4 sts=4\r |