You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.2 KiB
46 lines
1.2 KiB
<?php
|
|
|
|
/**
|
|
* Validates a ratio as defined by the CSS spec.
|
|
*/
|
|
class HTMLPurifier_AttrDef_CSS_Ratio extends HTMLPurifier_AttrDef
|
|
{
|
|
/**
|
|
* @param string $ratio Ratio to validate
|
|
* @param HTMLPurifier_Config $config Configuration options
|
|
* @param HTMLPurifier_Context $context Context
|
|
*
|
|
* @return string|boolean
|
|
*
|
|
* @warning Some contexts do not pass $config, $context. These
|
|
* variables should not be used without checking HTMLPurifier_Length
|
|
*/
|
|
public function validate($ratio, $config, $context)
|
|
{
|
|
$ratio = $this->parseCDATA($ratio);
|
|
|
|
$parts = explode('/', $ratio, 2);
|
|
$length = count($parts);
|
|
|
|
if ($length < 1 || $length > 2) {
|
|
return false;
|
|
}
|
|
|
|
$num = new \HTMLPurifier_AttrDef_CSS_Number();
|
|
|
|
if ($length === 1) {
|
|
return $num->validate($parts[0], $config, $context);
|
|
}
|
|
|
|
$num1 = $num->validate($parts[0], $config, $context);
|
|
$num2 = $num->validate($parts[1], $config, $context);
|
|
|
|
if ($num1 === false || $num2 === false) {
|
|
return false;
|
|
}
|
|
|
|
return $num1 . '/' . $num2;
|
|
}
|
|
}
|
|
|
|
// vim: et sw=4 sts=4
|
|
|