<?php
/**
* @brief A HTMLPurifier Attribute Definition which imitates HTMLPurifier_AttrDef_Switch but allows checking if certain attributes exist
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @since 4 May 2016
*/
namespace IPS\Text;
/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* A HTMLPurifier Attribute Definition which imitates HTMLPurifier_AttrDef_Switch but allows checking if certain attributes exist
*/
class _HtmlPurifierSwitchAttrDef extends \HTMLPurifier_AttrDef_Switch
{
public $required = FALSE;
/**
* @brief Attributes
*/
protected $attributes = array();
/**
* Constructor
*
* @param string $tag The tag name to check
* @param array $attributes The attributes to check on
* @param \HTMLPurifier_AttrDef $with_tag If $tag matches and all $attributes are present, this definition will be used
* @param \HTMLPurifier_AttrDef $without_tag Otherwise, this definition will be used
*/
public function __construct( $tag, $attributes, $with_tag, $without_tag )
{
$this->attributes = $attributes;
parent::__construct( $tag, $with_tag, $without_tag );
}
/**
* Validate
*
* @param string $string
* @param \HTMLPurifier_Config $config
* @param \HTMLPurifier_Context $context
* @return bool|string
*/
public function validate( $string, $config, $context )
{
$token = $context->get('CurrentToken', true);
if ( count( array_diff( $this->attributes, array_keys( $token->attr ) ) ) )
{
return $this->withoutTag->validate( $string, $config, $context );
}
return parent::validate( $string, $config, $context );
}
}