remove autoload section in composer.json

[github/wallabag/wallabag.git] / inc / 3rdparty / htmlpurifier / HTMLPurifier / AttrDef / URI / IPv4.php

<?php\r
\r
/**\r
 * Validates an IPv4 address\r
 * @author Feyd @ forums.devnetwork.net (public domain)\r
 */\r
class HTMLPurifier_AttrDef_URI_IPv4 extends HTMLPurifier_AttrDef\r
{\r
\r
    /**\r
     * IPv4 regex, protected so that IPv6 can reuse it.\r
     * @type string\r
     */\r
    protected $ip4;\r
\r
    /**\r
     * @param string $aIP\r
     * @param HTMLPurifier_Config $config\r
     * @param HTMLPurifier_Context $context\r
     * @return bool|string\r
     */\r
    public function validate($aIP, $config, $context)\r
    {\r
        if (!$this->ip4) {\r
            $this->_loadRegex();\r
        }\r
\r
        if (preg_match('#^' . $this->ip4 . '$#s', $aIP)) {\r
            return $aIP;\r
        }\r
        return false;\r
    }\r
\r
    /**\r
     * Lazy load function to prevent regex from being stuffed in\r
     * cache.\r
     */\r
    protected function _loadRegex()\r
    {\r
        $oct = '(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])'; // 0-255\r
        $this->ip4 = "(?:{$oct}\\.{$oct}\\.{$oct}\\.{$oct})";\r
    }\r
}\r
\r
// vim: et sw=4 sts=4\r