mirror of
https://github.com/ezyang/htmlpurifier.git
synced 2024-11-14 17:28:40 +00:00
fac747bdbd
With minor corrections. Signed-off-by: Marcus Bointon <marcus@synchromedia.co.uk> Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
69 lines
1.7 KiB
PHP
69 lines
1.7 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Generic pre-transform that converts an attribute with a fixed number of
|
|
* values (enumerated) to CSS.
|
|
*/
|
|
class HTMLPurifier_AttrTransform_EnumToCSS extends HTMLPurifier_AttrTransform
|
|
{
|
|
/**
|
|
* Name of attribute to transform from.
|
|
* @type string
|
|
*/
|
|
protected $attr;
|
|
|
|
/**
|
|
* Lookup array of attribute values to CSS.
|
|
* @type array
|
|
*/
|
|
protected $enumToCSS = array();
|
|
|
|
/**
|
|
* Case sensitivity of the matching.
|
|
* @type bool
|
|
* @warning Currently can only be guaranteed to work with ASCII
|
|
* values.
|
|
*/
|
|
protected $caseSensitive = false;
|
|
|
|
/**
|
|
* @param string $attr Attribute name to transform from
|
|
* @param array $enum_to_css Lookup array of attribute values to CSS
|
|
* @param bool $case_sensitive Case sensitivity indicator, default false
|
|
*/
|
|
public function __construct($attr, $enum_to_css, $case_sensitive = false)
|
|
{
|
|
$this->attr = $attr;
|
|
$this->enumToCSS = $enum_to_css;
|
|
$this->caseSensitive = (bool)$case_sensitive;
|
|
}
|
|
|
|
/**
|
|
* @param array $attr
|
|
* @param HTMLPurifier_Config $config
|
|
* @param HTMLPurifier_Context $context
|
|
* @return array
|
|
*/
|
|
public function transform($attr, $config, $context)
|
|
{
|
|
if (!isset($attr[$this->attr])) {
|
|
return $attr;
|
|
}
|
|
|
|
$value = trim($attr[$this->attr]);
|
|
unset($attr[$this->attr]);
|
|
|
|
if (!$this->caseSensitive) {
|
|
$value = strtolower($value);
|
|
}
|
|
|
|
if (!isset($this->enumToCSS[$value])) {
|
|
return $attr;
|
|
}
|
|
$this->prependCSS($attr, $this->enumToCSS[$value]);
|
|
return $attr;
|
|
}
|
|
}
|
|
|
|
// vim: et sw=4 sts=4
|