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Commit | Line | Data |
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f45a286b AD |
1 | <?php |
2 | ||
3 | /** | |
4 | * Takes the contents of blockquote when in strict and reformats for validation. | |
5 | */ | |
6 | class HTMLPurifier_ChildDef_StrictBlockquote extends HTMLPurifier_ChildDef_Required | |
7 | { | |
8 | protected $real_elements; | |
9 | protected $fake_elements; | |
10 | public $allow_empty = true; | |
11 | public $type = 'strictblockquote'; | |
12 | protected $init = false; | |
13 | ||
14 | /** | |
15 | * @note We don't want MakeWellFormed to auto-close inline elements since | |
16 | * they might be allowed. | |
17 | */ | |
18 | public function getAllowedElements($config) { | |
19 | $this->init($config); | |
20 | return $this->fake_elements; | |
21 | } | |
22 | ||
23 | public function validateChildren($tokens_of_children, $config, $context) { | |
24 | ||
25 | $this->init($config); | |
26 | ||
27 | // trick the parent class into thinking it allows more | |
28 | $this->elements = $this->fake_elements; | |
29 | $result = parent::validateChildren($tokens_of_children, $config, $context); | |
30 | $this->elements = $this->real_elements; | |
31 | ||
32 | if ($result === false) return array(); | |
33 | if ($result === true) $result = $tokens_of_children; | |
34 | ||
35 | $def = $config->getHTMLDefinition(); | |
36 | $block_wrap_start = new HTMLPurifier_Token_Start($def->info_block_wrapper); | |
37 | $block_wrap_end = new HTMLPurifier_Token_End( $def->info_block_wrapper); | |
38 | $is_inline = false; | |
39 | $depth = 0; | |
40 | $ret = array(); | |
41 | ||
42 | // assuming that there are no comment tokens | |
43 | foreach ($result as $i => $token) { | |
44 | $token = $result[$i]; | |
45 | // ifs are nested for readability | |
46 | if (!$is_inline) { | |
47 | if (!$depth) { | |
48 | if ( | |
49 | ($token instanceof HTMLPurifier_Token_Text && !$token->is_whitespace) || | |
50 | (!$token instanceof HTMLPurifier_Token_Text && !isset($this->elements[$token->name])) | |
51 | ) { | |
52 | $is_inline = true; | |
53 | $ret[] = $block_wrap_start; | |
54 | } | |
55 | } | |
56 | } else { | |
57 | if (!$depth) { | |
58 | // starting tokens have been inline text / empty | |
59 | if ($token instanceof HTMLPurifier_Token_Start || $token instanceof HTMLPurifier_Token_Empty) { | |
60 | if (isset($this->elements[$token->name])) { | |
61 | // ended | |
62 | $ret[] = $block_wrap_end; | |
63 | $is_inline = false; | |
64 | } | |
65 | } | |
66 | } | |
67 | } | |
68 | $ret[] = $token; | |
69 | if ($token instanceof HTMLPurifier_Token_Start) $depth++; | |
70 | if ($token instanceof HTMLPurifier_Token_End) $depth--; | |
71 | } | |
72 | if ($is_inline) $ret[] = $block_wrap_end; | |
73 | return $ret; | |
74 | } | |
75 | ||
76 | private function init($config) { | |
77 | if (!$this->init) { | |
78 | $def = $config->getHTMLDefinition(); | |
79 | // allow all inline elements | |
80 | $this->real_elements = $this->elements; | |
81 | $this->fake_elements = $def->info_content_sets['Flow']; | |
82 | $this->fake_elements['#PCDATA'] = true; | |
83 | $this->init = true; | |
84 | } | |
85 | } | |
86 | } | |
87 | ||
88 | // vim: et sw=4 sts=4 |