remove autoload section in composer.json

[github/wallabag/wallabag.git] / inc / 3rdparty / htmlpurifier / HTMLPurifier / Bootstrap.php

<?php\r
\r
// constants are slow, so we use as few as possible\r
if (!defined('HTMLPURIFIER_PREFIX')) {\r
    define('HTMLPURIFIER_PREFIX', realpath(dirname(__FILE__) . '/..'));\r
}\r
\r
// accomodations for versions earlier than 5.0.2\r
// borrowed from PHP_Compat, LGPL licensed, by Aidan Lister <aidan@php.net>\r
if (!defined('PHP_EOL')) {\r
    switch (strtoupper(substr(PHP_OS, 0, 3))) {\r
        case 'WIN':\r
            define('PHP_EOL', "\r\n");\r
            break;\r
        case 'DAR':\r
            define('PHP_EOL', "\r");\r
            break;\r
        default:\r
            define('PHP_EOL', "\n");\r
    }\r
}\r
\r
/**\r
 * Bootstrap class that contains meta-functionality for HTML Purifier such as\r
 * the autoload function.\r
 *\r
 * @note\r
 *      This class may be used without any other files from HTML Purifier.\r
 */\r
class HTMLPurifier_Bootstrap\r
{\r
\r
    /**\r
     * Autoload function for HTML Purifier\r
     * @param string $class Class to load\r
     * @return bool\r
     */\r
    public static function autoload($class)\r
    {\r
        $file = HTMLPurifier_Bootstrap::getPath($class);\r
        if (!$file) {\r
            return false;\r
        }\r
        // Technically speaking, it should be ok and more efficient to\r
        // just do 'require', but Antonio Parraga reports that with\r
        // Zend extensions such as Zend debugger and APC, this invariant\r
        // may be broken.  Since we have efficient alternatives, pay\r
        // the cost here and avoid the bug.\r
        require_once HTMLPURIFIER_PREFIX . '/' . $file;\r
        return true;\r
    }\r
\r
    /**\r
     * Returns the path for a specific class.\r
     * @param string $class Class path to get\r
     * @return string\r
     */\r
    public static function getPath($class)\r
    {\r
        if (strncmp('HTMLPurifier', $class, 12) !== 0) {\r
            return false;\r
        }\r
        // Custom implementations\r
        if (strncmp('HTMLPurifier_Language_', $class, 22) === 0) {\r
            $code = str_replace('_', '-', substr($class, 22));\r
            $file = 'HTMLPurifier/Language/classes/' . $code . '.php';\r
        } else {\r
            $file = str_replace('_', '/', $class) . '.php';\r
        }\r
        if (!file_exists(HTMLPURIFIER_PREFIX . '/' . $file)) {\r
            return false;\r
        }\r
        return $file;\r
    }\r
\r
    /**\r
     * "Pre-registers" our autoloader on the SPL stack.\r
     */\r
    public static function registerAutoload()\r
    {\r
        $autoload = array('HTMLPurifier_Bootstrap', 'autoload');\r
        if (($funcs = spl_autoload_functions()) === false) {\r
            spl_autoload_register($autoload);\r
        } elseif (function_exists('spl_autoload_unregister')) {\r
            if (version_compare(PHP_VERSION, '5.3.0', '>=')) {\r
                // prepend flag exists, no need for shenanigans\r
                spl_autoload_register($autoload, true, true);\r
            } else {\r
                $buggy  = version_compare(PHP_VERSION, '5.2.11', '<');\r
                $compat = version_compare(PHP_VERSION, '5.1.2', '<=') &&\r
                          version_compare(PHP_VERSION, '5.1.0', '>=');\r
                foreach ($funcs as $func) {\r
                    if ($buggy && is_array($func)) {\r
                        // :TRICKY: There are some compatibility issues and some\r
                        // places where we need to error out\r
                        $reflector = new ReflectionMethod($func[0], $func[1]);\r
                        if (!$reflector->isStatic()) {\r
                            throw new Exception(\r
                                'HTML Purifier autoloader registrar is not compatible\r
                                with non-static object methods due to PHP Bug #44144;\r
                                Please do not use HTMLPurifier.autoload.php (or any\r
                                file that includes this file); instead, place the code:\r
                                spl_autoload_register(array(\'HTMLPurifier_Bootstrap\', \'autoload\'))\r
                                after your own autoloaders.'\r
                            );\r
                        }\r
                        // Suprisingly, spl_autoload_register supports the\r
                        // Class::staticMethod callback format, although call_user_func doesn't\r
                        if ($compat) {\r
                            $func = implode('::', $func);\r
                        }\r
                    }\r
                    spl_autoload_unregister($func);\r
                }\r
                spl_autoload_register($autoload);\r
                foreach ($funcs as $func) {\r
                    spl_autoload_register($func);\r
                }\r
            }\r
        }\r
    }\r
}\r
\r
// vim: et sw=4 sts=4\r