39 lines
949 B
PHP
39 lines
949 B
PHP
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<?php
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/**
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* Validates the value for the CSS property text-decoration
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* @note This class could be generalized into a version that acts sort of
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* like Enum except you can compound the allowed values.
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*/
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class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
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{
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public function validate($string, $config, $context) {
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static $allowed_values = array(
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'line-through' => true,
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'overline' => true,
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'underline' => true,
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);
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$string = strtolower($this->parseCDATA($string));
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if ($string === 'none') return $string;
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$parts = explode(' ', $string);
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$final = '';
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foreach ($parts as $part) {
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if (isset($allowed_values[$part])) {
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$final .= $part . ' ';
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}
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}
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$final = rtrim($final);
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if ($final === '') return false;
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return $final;
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}
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}
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// vim: et sw=4 sts=4
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