mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-30 06:36:19 +00:00
50 lines
1.3 KiB
PHP
50 lines
1.3 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Abstract base node class that all others inherit from.
|
||
|
|
*
|
||
|
|
* Why do we not use the DOM extension? (1) It is not always available,
|
||
|
|
* (2) it has funny constraints on the data it can represent,
|
||
|
|
* whereas we want a maximally flexible representation, and (3) its
|
||
|
|
* interface is a bit cumbersome.
|
||
|
|
*/
|
||
|
|
abstract class HTMLPurifier_Node
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* Line number of the start token in the source document
|
||
|
|
* @type int
|
||
|
|
*/
|
||
|
|
public $line;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Column number of the start token in the source document. Null if unknown.
|
||
|
|
* @type int
|
||
|
|
*/
|
||
|
|
public $col;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Lookup array of processing that this token is exempt from.
|
||
|
|
* Currently, valid values are "ValidateAttributes".
|
||
|
|
* @type array
|
||
|
|
*/
|
||
|
|
public $armor = array();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* When true, this node should be ignored as non-existent.
|
||
|
|
*
|
||
|
|
* Who is responsible for ignoring dead nodes? FixNesting is
|
||
|
|
* responsible for removing them before passing on to child
|
||
|
|
* validators.
|
||
|
|
*/
|
||
|
|
public $dead = false;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a pair of start and end tokens, where the end token
|
||
|
|
* is null if it is not necessary. Does not include children.
|
||
|
|
* @type array
|
||
|
|
*/
|
||
|
|
abstract public function toTokenPair();
|
||
|
|
}
|
||
|
|
|
||
|
|
// vim: et sw=4 sts=4
|