1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* Generic pre-transform that converts an attribute with a fixed number of |
5
|
|
|
* values (enumerated) to CSS. |
6
|
|
|
*/ |
7
|
|
|
class HTMLPurifier_AttrTransform_EnumToCSS extends HTMLPurifier_AttrTransform |
8
|
|
|
{ |
9
|
|
|
/** |
10
|
|
|
* Name of attribute to transform from. |
11
|
|
|
* @type string |
12
|
|
|
*/ |
13
|
|
|
protected $attr; |
14
|
|
|
|
15
|
|
|
/** |
16
|
|
|
* Lookup array of attribute values to CSS. |
17
|
|
|
* @type array |
18
|
|
|
*/ |
19
|
|
|
protected $enumToCSS = array(); |
20
|
|
|
|
21
|
|
|
/** |
22
|
|
|
* Case sensitivity of the matching. |
23
|
|
|
* @type bool |
24
|
|
|
* @warning Currently can only be guaranteed to work with ASCII |
25
|
|
|
* values. |
26
|
|
|
*/ |
27
|
|
|
protected $caseSensitive = false; |
28
|
|
|
|
29
|
|
|
/** |
30
|
|
|
* @param string $attr Attribute name to transform from |
31
|
|
|
* @param array $enum_to_css Lookup array of attribute values to CSS |
32
|
|
|
* @param bool $case_sensitive Case sensitivity indicator, default false |
33
|
|
|
*/ |
34
|
|
|
public function __construct($attr, $enum_to_css, $case_sensitive = false) |
35
|
|
|
{ |
36
|
|
|
$this->attr = $attr; |
37
|
|
|
$this->enumToCSS = $enum_to_css; |
38
|
|
|
$this->caseSensitive = (bool)$case_sensitive; |
39
|
|
|
} |
40
|
|
|
|
41
|
|
|
/** |
42
|
|
|
* @param array $attr |
43
|
|
|
* @param HTMLPurifier_Config $config |
44
|
|
|
* @param HTMLPurifier_Context $context |
45
|
|
|
* @return array |
46
|
|
|
*/ |
47
|
|
|
public function transform($attr, $config, $context) |
48
|
|
|
{ |
49
|
|
|
if (!isset($attr[$this->attr])) { |
50
|
|
|
return $attr; |
51
|
|
|
} |
52
|
|
|
|
53
|
|
|
$value = trim($attr[$this->attr]); |
54
|
|
|
unset($attr[$this->attr]); |
55
|
|
|
|
56
|
|
|
if (!$this->caseSensitive) { |
57
|
|
|
$value = strtolower($value); |
58
|
|
|
} |
59
|
|
|
|
60
|
|
|
if (!isset($this->enumToCSS[$value])) { |
61
|
|
|
return $attr; |
62
|
|
|
} |
63
|
|
|
$this->prependCSS($attr, $this->enumToCSS[$value]); |
64
|
|
|
return $attr; |
65
|
|
|
} |
66
|
|
|
} |
67
|
|
|
|
68
|
|
|
// vim: et sw=4 sts=4 |
69
|
|
|
|