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d4949327 NL |
1 | <?php\r |
2 | \r | |
3 | /**\r | |
4 | * Validates a MultiLength as defined by the HTML spec.\r | |
5 | *\r | |
6 | * A multilength is either a integer (pixel count), a percentage, or\r | |
7 | * a relative number.\r | |
8 | */\r | |
9 | class HTMLPurifier_AttrDef_HTML_MultiLength extends HTMLPurifier_AttrDef_HTML_Length\r | |
10 | {\r | |
11 | \r | |
12 | /**\r | |
13 | * @param string $string\r | |
14 | * @param HTMLPurifier_Config $config\r | |
15 | * @param HTMLPurifier_Context $context\r | |
16 | * @return bool|string\r | |
17 | */\r | |
18 | public function validate($string, $config, $context)\r | |
19 | {\r | |
20 | $string = trim($string);\r | |
21 | if ($string === '') {\r | |
22 | return false;\r | |
23 | }\r | |
24 | \r | |
25 | $parent_result = parent::validate($string, $config, $context);\r | |
26 | if ($parent_result !== false) {\r | |
27 | return $parent_result;\r | |
28 | }\r | |
29 | \r | |
30 | $length = strlen($string);\r | |
31 | $last_char = $string[$length - 1];\r | |
32 | \r | |
33 | if ($last_char !== '*') {\r | |
34 | return false;\r | |
35 | }\r | |
36 | \r | |
37 | $int = substr($string, 0, $length - 1);\r | |
38 | \r | |
39 | if ($int == '') {\r | |
40 | return '*';\r | |
41 | }\r | |
42 | if (!is_numeric($int)) {\r | |
43 | return false;\r | |
44 | }\r | |
45 | \r | |
46 | $int = (int)$int;\r | |
47 | if ($int < 0) {\r | |
48 | return false;\r | |
49 | }\r | |
50 | if ($int == 0) {\r | |
51 | return '0';\r | |
52 | }\r | |
53 | if ($int == 1) {\r | |
54 | return '*';\r | |
55 | }\r | |
56 | return ((string)$int) . '*';\r | |
57 | }\r | |
58 | }\r | |
59 | \r | |
60 | // vim: et sw=4 sts=4\r |