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| <?php
|
| class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number
| {
|
| public function __construct()
| {
| parent::__construct(false); // opacity is non-negative, but we will clamp it
| }
|
| /**
| * @param string $number
| * @param HTMLPurifier_Config $config
| * @param HTMLPurifier_Context $context
| * @return string
| */
| public function validate($number, $config, $context)
| {
| $result = parent::validate($number, $config, $context);
| if ($result === false) {
| return $result;
| }
| $float = (float)$result;
| if ($float < 0.0) {
| $result = '0';
| }
| if ($float > 1.0) {
| $result = '1';
| }
| return $result;
| }
| }
|
| // vim: et sw=4 sts=4
|
|
