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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\ClassLoader;
- /**
- * A PSR-4 compatible class loader.
- *
- * See http://www.php-fig.org/psr/psr-4/
- *
- * @author Alexander M. Turek <me@derrabus.de>
- */
- class Psr4ClassLoader
- {
- /**
- * @var array
- */
- private $prefixes = array();
- /**
- * @param string $prefix
- * @param string $baseDir
- */
- public function addPrefix($prefix, $baseDir)
- {
- $prefix = trim($prefix, '\\').'\\';
- $baseDir = rtrim($baseDir, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
- $this->prefixes[] = array($prefix, $baseDir);
- }
- /**
- * @param string $class
- *
- * @return string|null
- */
- public function findFile($class)
- {
- $class = ltrim($class, '\\');
- foreach ($this->prefixes as $current) {
- list($currentPrefix, $currentBaseDir) = $current;
- if (0 === strpos($class, $currentPrefix)) {
- $classWithoutPrefix = substr($class, strlen($currentPrefix));
- $file = $currentBaseDir.str_replace('\\', DIRECTORY_SEPARATOR, $classWithoutPrefix).'.php';
- if (file_exists($file)) {
- return $file;
- }
- }
- }
- }
- /**
- * @param string $class
- *
- * @return bool
- */
- public function loadClass($class)
- {
- $file = $this->findFile($class);
- if (null !== $file) {
- require $file;
- return true;
- }
- return false;
- }
- /**
- * Registers this instance as an autoloader.
- *
- * @param bool $prepend
- */
- public function register($prepend = false)
- {
- spl_autoload_register(array($this, 'loadClass'), true, $prepend);
- }
- /**
- * Removes this instance from the registered autoloaders.
- */
- public function unregister()
- {
- spl_autoload_unregister(array($this, 'loadClass'));
- }
- }
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