diff options
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Percentage.php')
-rw-r--r-- | inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Percentage.php | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Percentage.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Percentage.php new file mode 100644 index 00000000..aac1a6f5 --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/Percentage.php | |||
@@ -0,0 +1,54 @@ | |||
1 | <?php | ||
2 | |||
3 | /** | ||
4 | * Validates a Percentage as defined by the CSS spec. | ||
5 | */ | ||
6 | class HTMLPurifier_AttrDef_CSS_Percentage extends HTMLPurifier_AttrDef | ||
7 | { | ||
8 | |||
9 | /** | ||
10 | * Instance to defer number validation to. | ||
11 | * @type HTMLPurifier_AttrDef_CSS_Number | ||
12 | */ | ||
13 | protected $number_def; | ||
14 | |||
15 | /** | ||
16 | * @param bool $non_negative Whether to forbid negative values | ||
17 | */ | ||
18 | public function __construct($non_negative = false) | ||
19 | { | ||
20 | $this->number_def = new HTMLPurifier_AttrDef_CSS_Number($non_negative); | ||
21 | } | ||
22 | |||
23 | /** | ||
24 | * @param string $string | ||
25 | * @param HTMLPurifier_Config $config | ||
26 | * @param HTMLPurifier_Context $context | ||
27 | * @return bool|string | ||
28 | */ | ||
29 | public function validate($string, $config, $context) | ||
30 | { | ||
31 | $string = $this->parseCDATA($string); | ||
32 | |||
33 | if ($string === '') { | ||
34 | return false; | ||
35 | } | ||
36 | $length = strlen($string); | ||
37 | if ($length === 1) { | ||
38 | return false; | ||
39 | } | ||
40 | if ($string[$length - 1] !== '%') { | ||
41 | return false; | ||
42 | } | ||
43 | |||
44 | $number = substr($string, 0, $length - 1); | ||
45 | $number = $this->number_def->validate($number, $config, $context); | ||
46 | |||
47 | if ($number === false) { | ||
48 | return false; | ||
49 | } | ||
50 | return "$number%"; | ||
51 | } | ||
52 | } | ||
53 | |||
54 | // vim: et sw=4 sts=4 | ||