File xoops_lib\modules\protector\library\HTMLPurifier\Injector\RemoveSpansWithoutAttributes.php

1:	<?php
2:
3:	/**
4:	* Injector that removes spans with no attributes
5:	*/
6:	class HTMLPurifier_Injector_RemoveSpansWithoutAttributes extends HTMLPurifier_Injector
7:	{
8:	/**
9:	* @type string
10:	*/
11:	public $name = 'RemoveSpansWithoutAttributes';
12:
13:	/**
14:	* @type array
15:	*/
16:	public $needed = array('span');
17:
18:	/**
19:	* @type HTMLPurifier_AttrValidator
20:	*/
21:	private $attrValidator;
22:
23:	/**
24:	* Used by AttrValidator.
25:	* @type HTMLPurifier_Config
26:	*/
27:	private $config;
28:
29:	/**
30:	* @type HTMLPurifier_Context
31:	*/
32:	private $context;
33:
34:	/**
35:	* @type SplObjectStorage
36:	*/
37:	private $markForDeletion;
38:
39:	public function __construct()
40:	{
41:	$this->markForDeletion = new SplObjectStorage();
42:	}
43:
44:	public function prepare($config, $context)
45:	{
46:	$this->attrValidator = new HTMLPurifier_AttrValidator();
47:	$this->config = $config;
48:	$this->context = $context;
49:	return parent::prepare($config, $context);
50:	}
51:
52:	/**
53:	* @param HTMLPurifier_Token $token
54:	*/
55:	public function handleElement(&$token)
56:	{
57:	if ($token->name !== 'span' \|\| !$token instanceof HTMLPurifier_Token_Start) {
58:	return;
59:	}
60:
61:	// We need to validate the attributes now since this doesn't normally
62:	// happen until after MakeWellFormed. If all the attributes are removed
63:	// the span needs to be removed too.
64:	$this->attrValidator->validateToken($token, $this->config, $this->context);
65:	$token->armor['ValidateAttributes'] = true;
66:
67:	if (!empty($token->attr)) {
68:	return;
69:	}
70:
71:	$nesting = 0;
72:	while ($this->forwardUntilEndToken($i, $current, $nesting)) {
73:	}
74:
75:	if ($current instanceof HTMLPurifier_Token_End && $current->name === 'span') {
76:	// Mark closing span tag for deletion
77:	$this->markForDeletion->attach($current);
78:	// Delete open span tag
79:	$token = false;
80:	}
81:	}
82:
83:	/**
84:	* @param HTMLPurifier_Token $token
85:	*/
86:	public function handleEnd(&$token)
87:	{
88:	if ($this->markForDeletion->contains($token)) {
89:	$this->markForDeletion->detach($token);
90:	$token = false;
91:	}
92:	}
93:	}
94:
95:	// vim: et sw=4 sts=4
96:

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