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- <?php
- class HTMLPurifier_AttrDef_CSS_Length extends HTMLPurifier_AttrDef
- {
-
- protected $min;
-
- protected $max;
-
- public function __construct($min = null, $max = null)
- {
- $this->min = $min !== null ? HTMLPurifier_Length::make($min) : null;
- $this->max = $max !== null ? HTMLPurifier_Length::make($max) : null;
- }
-
- public function validate($string, $config, $context)
- {
- $string = $this->parseCDATA($string);
-
- if ($string === '') {
- return false;
- }
- if ($string === '0') {
- return '0';
- }
- if (strlen($string) === 1) {
- return false;
- }
- $length = HTMLPurifier_Length::make($string);
- if (!$length->isValid()) {
- return false;
- }
- if ($this->min) {
- $c = $length->compareTo($this->min);
- if ($c === false) {
- return false;
- }
- if ($c < 0) {
- return false;
- }
- }
- if ($this->max) {
- $c = $length->compareTo($this->max);
- if ($c === false) {
- return false;
- }
- if ($c > 0) {
- return false;
- }
- }
- return $length->toString();
- }
- }
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