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68 lines
1.7 KiB
68 lines
1.7 KiB
<?php |
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/** |
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* Generic pre-transform that converts an attribute with a fixed number of |
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* values (enumerated) to CSS. |
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*/ |
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class HTMLPurifier_AttrTransform_EnumToCSS extends HTMLPurifier_AttrTransform |
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{ |
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/** |
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* Name of attribute to transform from. |
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* @type string |
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*/ |
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protected $attr; |
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/** |
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* Lookup array of attribute values to CSS. |
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* @type array |
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*/ |
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protected $enumToCSS = array(); |
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/** |
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* Case sensitivity of the matching. |
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* @type bool |
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* @warning Currently can only be guaranteed to work with ASCII |
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* values. |
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*/ |
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protected $caseSensitive = false; |
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/** |
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* @param string $attr Attribute name to transform from |
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* @param array $enum_to_css Lookup array of attribute values to CSS |
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* @param bool $case_sensitive Case sensitivity indicator, default false |
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*/ |
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public function __construct($attr, $enum_to_css, $case_sensitive = false) |
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{ |
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$this->attr = $attr; |
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$this->enumToCSS = $enum_to_css; |
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$this->caseSensitive = (bool)$case_sensitive; |
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} |
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/** |
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* @param array $attr |
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* @param HTMLPurifier_Config $config |
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* @param HTMLPurifier_Context $context |
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* @return array |
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*/ |
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public function transform($attr, $config, $context) |
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{ |
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if (!isset($attr[$this->attr])) { |
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return $attr; |
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} |
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$value = trim($attr[$this->attr]); |
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unset($attr[$this->attr]); |
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if (!$this->caseSensitive) { |
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$value = strtolower($value); |
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} |
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if (!isset($this->enumToCSS[$value])) { |
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return $attr; |
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} |
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$this->prependCSS($attr, $this->enumToCSS[$value]); |
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return $attr; |
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} |
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} |
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// vim: et sw=4 sts=4
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