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https://github.com/ezyang/htmlpurifier.git
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0f961c6af4
! Experimental support for some proprietary CSS attributes allowed: opacity (and all of the browser-specific equivalents) and scrollbar colors. Enable by setting %CSS.Proprietary to true. - Colors missing # but in hex form will be corrected - CSS Number algorithm improved . New classes: + HTMLPurifier_AttrDef_CSS_AlphaValue + HTMLPurifier_AttrDef_CSS_Filter git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1473 48356398-32a2-884e-a903-53898d9a118a
23 lines
646 B
PHP
23 lines
646 B
PHP
<?php
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require_once 'HTMLPurifier/AttrDef.php';
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require_once 'HTMLPurifier/AttrDef/CSS/Number.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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parent::__construct(false); // opacity is non-negative, but we will clamp it
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}
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public function validate($number, $config, &$context) {
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$result = parent::validate($number, $config, $context);
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if ($result === false) return $result;
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$float = (float) $result;
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if ($float < 0.0) $result = '0';
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if ($float > 1.0) $result = '1';
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return $result;
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}
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}
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