php-https-everywhere/tests/autoloader.php

<?php

/*

HTTPSEverywhere for Desktopd
Copyright (C) 2015  Desktopd Developer(s)

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

https://www.gnu.org/licenses/agpl.html

*/


/*
    This autoloader is intentionally written in this manner.
*/

spl_autoload_register(function ($class) {
    if (class_exists($class, false)) {
        return true;
    }
    
    $name = strtr("$class", '\\', '/');
    if (!preg_match('~^[_a-zA-Z][_a-zA-Z0-9]*(?:/[_a-zA-Z][_a-zA-Z0-9]*)*$~', $name)) {
        return false;
    }
    
    $path = dirname(__DIR__) . "/classes/{$name}.php";
    if (is_file($path) && is_readable($path)) {
        require_once $path;
    } else {
        return false;
    }
    
}, true, true);


// vim: ts=4 et ai