mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-18 10:01:52 +00:00
53 lines
1.5 KiB
PHP
53 lines
1.5 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Defines allowed child nodes and validates nodes against it.
|
||
|
|
*/
|
||
|
|
abstract class HTMLPurifier_ChildDef
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* Type of child definition, usually right-most part of class name lowercase.
|
||
|
|
* Used occasionally in terms of context.
|
||
|
|
* @type string
|
||
|
|
*/
|
||
|
|
public $type;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Indicates whether or not an empty array of children is okay.
|
||
|
|
*
|
||
|
|
* This is necessary for redundant checking when changes affecting
|
||
|
|
* a child node may cause a parent node to now be disallowed.
|
||
|
|
* @type bool
|
||
|
|
*/
|
||
|
|
public $allow_empty;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Lookup array of all elements that this definition could possibly allow.
|
||
|
|
* @type array
|
||
|
|
*/
|
||
|
|
public $elements = array();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get lookup of tag names that should not close this element automatically.
|
||
|
|
* All other elements will do so.
|
||
|
|
* @param HTMLPurifier_Config $config HTMLPurifier_Config object
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getAllowedElements($config)
|
||
|
|
{
|
||
|
|
return $this->elements;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validates nodes according to definition and returns modification.
|
||
|
|
*
|
||
|
|
* @param HTMLPurifier_Node[] $children Array of HTMLPurifier_Node
|
||
|
|
* @param HTMLPurifier_Config $config HTMLPurifier_Config object
|
||
|
|
* @param HTMLPurifier_Context $context HTMLPurifier_Context object
|
||
|
|
* @return bool|array true to leave nodes as is, false to remove parent node, array of replacement children
|
||
|
|
*/
|
||
|
|
abstract public function validateChildren($children, $config, $context);
|
||
|
|
}
|
||
|
|
|
||
|
|
// vim: et sw=4 sts=4
|