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34 lines
793 B
34 lines
793 B
<?php |
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class HTMLPurifier_AttrDef_CSS_AlphaValue extends HTMLPurifier_AttrDef_CSS_Number |
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{ |
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public function __construct() |
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{ |
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parent::__construct(false); // opacity is non-negative, but we will clamp it |
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} |
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/** |
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* @param string $number |
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* @param HTMLPurifier_Config $config |
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* @param HTMLPurifier_Context $context |
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* @return string |
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*/ |
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public function validate($number, $config, $context) |
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{ |
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$result = parent::validate($number, $config, $context); |
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if ($result === false) { |
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return $result; |
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} |
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$float = (float)$result; |
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if ($float < 0.0) { |
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$result = '0'; |
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} |
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if ($float > 1.0) { |
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$result = '1'; |
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} |
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return $result; |
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} |
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} |
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// vim: et sw=4 sts=4
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