remove autoload section in composer.json

[github/wallabag/wallabag.git] / inc / 3rdparty / htmlpurifier / HTMLPurifier / AttrDef / HTML / Color.php

<?php\r
\r
/**\r
 * Validates a color according to the HTML spec.\r
 */\r
class HTMLPurifier_AttrDef_HTML_Color extends HTMLPurifier_AttrDef\r
{\r
\r
    /**\r
     * @param string $string\r
     * @param HTMLPurifier_Config $config\r
     * @param HTMLPurifier_Context $context\r
     * @return bool|string\r
     */\r
    public function validate($string, $config, $context)\r
    {\r
        static $colors = null;\r
        if ($colors === null) {\r
            $colors = $config->get('Core.ColorKeywords');\r
        }\r
\r
        $string = trim($string);\r
\r
        if (empty($string)) {\r
            return false;\r
        }\r
        $lower = strtolower($string);\r
        if (isset($colors[$lower])) {\r
            return $colors[$lower];\r
        }\r
        if ($string[0] === '#') {\r
            $hex = substr($string, 1);\r
        } else {\r
            $hex = $string;\r
        }\r
\r
        $length = strlen($hex);\r
        if ($length !== 3 && $length !== 6) {\r
            return false;\r
        }\r
        if (!ctype_xdigit($hex)) {\r
            return false;\r
        }\r
        if ($length === 3) {\r
            $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];\r
        }\r
        return "#$hex";\r
    }\r
}\r
\r
// vim: et sw=4 sts=4\r