mirror of
https://github.com/ezyang/htmlpurifier.git
synced 2024-11-10 15:48:42 +00:00
314a48373c
git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@308 48356398-32a2-884e-a903-53898d9a118a
42 lines
1021 B
PHP
42 lines
1021 B
PHP
<?php
|
|
|
|
require_once 'HTMLPurifier/AttrDef.php';
|
|
require_once 'HTMLPurifier/AttrDef/Length.php';
|
|
|
|
/**
|
|
* Validates a MultiLength as defined by the HTML spec.
|
|
*
|
|
* A multilength is either a integer (pixel count), a percentage, or
|
|
* a relative number.
|
|
*/
|
|
class HTMLPurifier_AttrDef_MultiLength extends HTMLPurifier_AttrDef_Length
|
|
{
|
|
|
|
function validate($string, $config, &$context) {
|
|
|
|
$string = trim($string);
|
|
if ($string === '') return false;
|
|
|
|
$parent_result = parent::validate($string, $config, $context);
|
|
if ($parent_result !== false) return $parent_result;
|
|
|
|
$length = strlen($string);
|
|
$last_char = $string[$length - 1];
|
|
|
|
if ($last_char !== '*') return false;
|
|
|
|
$int = substr($string, 0, $length - 1);
|
|
|
|
if (!is_numeric($int)) return false;
|
|
|
|
$int = (int) $int;
|
|
|
|
if ($int < 0) return '0*';
|
|
|
|
return ((string) $int) . '*';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
?>
|