Switch.php
1.3 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
<?php
/**
* Decorator that, depending on a token, switches between two definitions.
*/
class HTMLPurifier_AttrDef_Switch
{
/**
* @type string
*/
protected $tag;
/**
* @type HTMLPurifier_AttrDef
*/
protected $withTag;
/**
* @type HTMLPurifier_AttrDef
*/
protected $withoutTag;
/**
* @param string $tag Tag name to switch upon
* @param HTMLPurifier_AttrDef $with_tag Call if token matches tag
* @param HTMLPurifier_AttrDef $without_tag Call if token doesn't match, or there is no token
*/
public function __construct($tag, $with_tag, $without_tag)
{
$this->tag = $tag;
$this->withTag = $with_tag;
$this->withoutTag = $without_tag;
}
/**
* @param string $string
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return bool|string
*/
public function validate($string, $config, $context)
{
$token = $context->get('CurrentToken', true);
if (!$token || $token->name !== $this->tag) {
return $this->withoutTag->validate($string, $config, $context);
} else {
return $this->withTag->validate($string, $config, $context);
}
}
}
// vim: et sw=4 sts=4