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010efc9b AD |
1 | <?php |
2 | ||
3 | /** | |
4 | * Definition that uses different definitions depending on context. | |
5 | * | |
6 | * The del and ins tags are notable because they allow different types of | |
7 | * elements depending on whether or not they're in a block or inline context. | |
8 | * Chameleon allows this behavior to happen by using two different | |
9 | * definitions depending on context. While this somewhat generalized, | |
10 | * it is specifically intended for those two tags. | |
11 | */ | |
12 | class HTMLPurifier_ChildDef_Chameleon extends HTMLPurifier_ChildDef | |
13 | { | |
14 | ||
15 | /** | |
16 | * Instance of the definition object to use when inline. Usually stricter. | |
17 | */ | |
18 | public $inline; | |
19 | ||
20 | /** | |
21 | * Instance of the definition object to use when block. | |
22 | */ | |
23 | public $block; | |
24 | ||
25 | public $type = 'chameleon'; | |
26 | ||
27 | /** | |
28 | * @param $inline List of elements to allow when inline. | |
29 | * @param $block List of elements to allow when block. | |
30 | */ | |
31 | public function __construct($inline, $block) { | |
32 | $this->inline = new HTMLPurifier_ChildDef_Optional($inline); | |
33 | $this->block = new HTMLPurifier_ChildDef_Optional($block); | |
34 | $this->elements = $this->block->elements; | |
35 | } | |
36 | ||
37 | public function validateChildren($tokens_of_children, $config, $context) { | |
38 | if ($context->get('IsInline') === false) { | |
39 | return $this->block->validateChildren( | |
40 | $tokens_of_children, $config, $context); | |
41 | } else { | |
42 | return $this->inline->validateChildren( | |
43 | $tokens_of_children, $config, $context); | |
44 | } | |
45 | } | |
46 | } | |
47 | ||
48 | // vim: et sw=4 sts=4 |