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✎ Editing: EnumToCSS.php ← Back

<?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

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