<?php
/**
* Special-case enum attribute definition that lazy loads allowed frame targets
*/
class HTMLPurifier_AttrDef_HTML_FrameTarget extends HTMLPurifier_AttrDef_Enum
{
/**
* @type array
*/
public $valid_values = false; // uninitialized value
/**
* @type bool
*/
protected $case_sensitive = false;
public function __construct()
{
}
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
if ($this->valid_values === false) {
$this->valid_values = $config->get('Attr.AllowedFrameTargets');
}
return parent::validate($string, $config, $context);
}
}
// vim: et sw=4 sts=4