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Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/AlphaValue.php')
-rw-r--r--inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/AlphaValue.php34
1 files changed, 34 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/AlphaValue.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/AlphaValue.php
new file mode 100644
index 00000000..1a30e8fe
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrDef/CSS/AlphaValue.php
@@ -0,0 +1,34 @@
1<?php
2
3class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number
4{
5
6 public function __construct()
7 {
8 parent::__construct(false); // opacity is non-negative, but we will clamp it
9 }
10
11 /**
12 * @param string $number
13 * @param HTMLPurifier_Config $config
14 * @param HTMLPurifier_Context $context
15 * @return string
16 */
17 public function validate($number, $config, $context)
18 {
19 $result = parent::validate($number, $config, $context);
20 if ($result === false) {
21 return $result;
22 }
23 $float = (float)$result;
24 if ($float < 0.0) {
25 $result = '0';
26 }
27 if ($float > 1.0) {
28 $result = '1';
29 }
30 return $result;
31 }
32}
33
34// vim: et sw=4 sts=4