/**
* A very basic yet useful autoloader, not compatible with PSR-0.
* It is used to autoload classes by namespaces with suffixes.
*
* Example:
*
* ``` php
* <?php
* // loads UserHelper in 'helpers/UserHelper.php'
* Autoload::register('app\Codeception\Helper','Helper', __DIR__.'/helpers/');
* // loads UserHelper in 'helpers/UserHelper.php'
* Autoload::register('app\tests','Page', __DIR__.'/pageobjects/');
* Autoload::register('app\tests','Controller', __DIR__.'/controllers/');
* ?>
* ```
*
* @param $namespace
* @param $suffix
* @param $path
*/
public static function register($namespace, $suffix, $path)
{
self::$map[self::regex($namespace, $suffix)] = $path;
if (!self::$registered) {
spl_autoload_register(array(__CLASS__, 'autoload'));
self::$registered = true;
}
}
/**
* Adds a base directory for a namespace prefix.
*
* Example:
*
* ```php
* <?php
* // app\Codeception\UserHelper will be loaded from '/path/to/helpers/UserHelper.php'
* Autoload::addNamespace('app\Codeception', '/path/to/helpers');
*
* // LoginPage will be loaded from '/path/to/pageobjects/LoginPage.php'
* Autoload::addNamespace('', '/path/to/pageobjects');
*
* Autoload::addNamespace('app\Codeception', '/path/to/controllers');
* ?>
* ```
*
* @param string $prefix The namespace prefix.
* @param string $base_dir A base directory for class files in the namespace.
* @param bool $prepend If true, prepend the base directory to the stack instead of appending it; this causes it to be searched first rather than last.
* @return void
*/
public static function addNamespace($prefix, $base_dir, $prepend = false)
{
if (!self::$registered) {
spl_autoload_register([__CLASS__, 'load']);
self::$registered = true;
}
// normalize namespace prefix
$prefix = trim($prefix, '\\') . '\\';
// normalize the base directory with a trailing separator
$base_dir = rtrim($base_dir, '/') . DIRECTORY_SEPARATOR;
$base_dir = rtrim($base_dir, DIRECTORY_SEPARATOR) . '/';
// initialize the namespace prefix array
if (isset(self::$map[$prefix]) === false) {
self::$map[$prefix] = [];
}
// retain the base directory for the namespace prefix
if ($prepend) {
array_unshift(self::$map[$prefix], $base_dir);
} else {
array_push(self::$map[$prefix], $base_dir);
}
}