From fb984016e81571e8b71a52fe3941ba9f5e5f41df Mon Sep 17 00:00:00 2001
From: Taylor Otwell <taylorotwell@gmail.com>
Date: Tue, 2 Aug 2011 22:19:13 -0500
Subject: [PATCH] added loader class.

---
 public/index.php  | 21 ++------------
 system/loader.php | 71 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+), 18 deletions(-)
 create mode 100644 system/loader.php

diff --git a/public/index.php b/public/index.php
index 6d9097a9..459e764a 100644
--- a/public/index.php
+++ b/public/index.php
@@ -67,31 +67,16 @@
 // --------------------------------------------------------------
 // Load the classes used by the auto-loader.
 // --------------------------------------------------------------
+require SYS_PATH.'loader'.EXT;
 require SYS_PATH.'config'.EXT;
 require SYS_PATH.'arr'.EXT;
 
 // --------------------------------------------------------------
 // Register the auto-loader.
 // --------------------------------------------------------------
-spl_autoload_register(function($class) 
-{
-	$file = strtolower(str_replace('\\', '/', $class));
+System\Loader::bootstrap();
 
-	if (array_key_exists($class, $aliases = System\Config::get('aliases')))
-	{
-		return class_alias($aliases[$class], $class);
-	}
-
-	foreach (array(BASE_PATH, MODEL_PATH, LIBRARY_PATH) as $directory)
-	{
-		if (file_exists($path = $directory.$file.EXT))
-		{
-			require $path;
-
-			return;
-		}
-	}
-});
+spl_autoload_register(array('System\\Loader', 'load'));
 
 // --------------------------------------------------------------
 // Register the framework starting time with the Benchmarker.
diff --git a/system/loader.php b/system/loader.php
new file mode 100644
index 00000000..e0f69e42
--- /dev/null
+++ b/system/loader.php
@@ -0,0 +1,71 @@
+<?php namespace System;
+
+class Loader {
+
+	/**
+	 * The paths to be searched by the loader.
+	 *
+	 * @var array
+	 */
+	private static $paths = array(BASE_PATH, MODEL_PATH, LIBRARY_PATH);
+
+	/**
+	 * All of the class aliases.
+	 *
+	 * @var array
+	 */
+	private static $aliases = array();
+
+	/**
+	 * Bootstrap the auto-loader.
+	 *
+	 * @return void
+	 */
+	public static function bootstrap()
+	{
+		static::$aliases = require CONFIG_PATH.'aliases'.EXT;
+	}
+
+	/**
+	 * Load a class file for a given class name.
+	 *
+	 * This function is registered on the SPL auto-loader stack by the front controller during each request.
+	 *
+	 * All Laravel class names follow a namespace to directory convention. So, if a class exists in
+	 * application/libraries/user, it shouold be placed in the "User" namespace.
+	 *
+	 * @param  string  $class
+	 * @return void
+	 */
+	public static function load($class)
+	{
+		$file = strtolower(str_replace('\\', '/', $class));
+
+		if (array_key_exists($class, static::$aliases))
+		{
+			return class_alias(static::$aliases[$class], $class);
+		}
+
+		foreach (static::$paths as $directory)
+		{
+			if (file_exists($path = $directory.$file.EXT))
+			{
+				require $path;
+
+				return;
+			}
+		}
+	}
+
+	/**
+	 * Register a path with the auto-loader.
+	 *
+	 * @param  string  $path
+	 * @return void
+	 */
+	public static function register($path)
+	{
+		static::$paths[] = $path;
+	}
+
+}
\ No newline at end of file