<?php
spl_autoload_register(function ($class) {

	// the package namespace
	$ns = 'Friendica\Directory';

	// what prefixes should be recognized?
	$prefixes = array(
		"{$ns}\\" => array(
			__DIR__ . '/src',
			__DIR__ . '/tests/unit/src',
		),
	);

	// go through the prefixes
	foreach ($prefixes as $prefix => $dirs) {

		// does the requested class match the namespace prefix?
		$prefix_len = strlen($prefix);
		if (substr($class, 0, $prefix_len) !== $prefix) {
			continue;
		}

		// strip the prefix off the class
		$class = substr($class, $prefix_len);

		// a partial filename
		$part = str_replace('\\', DIRECTORY_SEPARATOR, $class) . '.php';

		// go through the directories to find classes
		foreach ($dirs as $dir) {
			$dir = str_replace('/', DIRECTORY_SEPARATOR, $dir);
			$file = $dir . DIRECTORY_SEPARATOR . $part;
			if (is_readable($file)) {
				require $file;
				return;
			}
		}
	}

});