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PATH: home / letacommog / letaweb / admin / classes / htmlpurifier / library / HTMLPurifier / AttrDef / HTML

<?php

/**
 * Validates a color according to the HTML spec.
 */
class HTMLPurifier_AttrDef_HTML_Color extends HTMLPurifier_AttrDef
{
    public function validate($string, $config, $context)
    {
        static $colors = null;
        if ($colors === null) {
            $colors = $config->get('Core.ColorKeywords');
        }

$string = trim($string);

if (empty($string)) {
            return false;
        }
        if (isset($colors[strtolower($string)])) {
            return $colors[$string];
        }
        if ($string[0] === '#') {
            $hex = substr($string, 1);
        } else {
            $hex = $string;
        }

$length = strlen($hex);
        if ($length !== 3 && $length !== 6) {
            return false;
        }
        if (!ctype_xdigit($hex)) {
            return false;
        }
        if ($length === 3) {
            $hex = $hex[0].$hex[0].$hex[1].$hex[1].$hex[2].$hex[2];
        }

return "#$hex";
    }
}

// vim: et sw=4 sts=4

[+] ..
[-] FrameTarget.php [edit]
[-] Length.php [edit]
[-] Bool.php [edit]
[-] MultiLength.php [edit]
[-] ID.php [edit]
[-] Pixels.php [edit]
[-] Class.php [edit]
[-] Color.php [edit]
[-] LinkTypes.php [edit]
[-] Nmtokens.php [edit]