refactoring, added uri class.

laravel/loader.php

@@ -7,14 +7,14 @@ class Loader {
 	 *
 	 * @var array
 	 */
-	public $paths;
+	protected $paths;
 
 	/**
 	 * The class aliases defined for the application.
 	 *
 	 * @var array
 	 */
-	public $aliases;
+	protected $aliases;
 
 	/**
 	 * Create a new class loader instance.
@@ -37,8 +37,12 @@ class Loader {
 	 */
 	public function load($class)
 	{
+		// All Laravel core classes follow a namespace to directory convention. So, we will
+		// replace all of the namespace slashes with directory slashes.
 		$file = strtolower(str_replace('\\', '/', $class));
 
+		// First, we'll check to determine if an alias exists. If it does, we will define the
+		// alias and bail out. Aliases are defined for most developer used core classes.
 		if (array_key_exists($class, $this->aliases)) return class_alias($this->aliases[$class], $class);
 
 		foreach ($this->paths as $path)
@@ -52,4 +56,57 @@ class Loader {
 		}
 	}
 
+	/**
+	 * Register a class alias with the auto-loader.
+	 *
+	 * Note: Aliases are lazy-loaded, so the aliased class will not be included until it is needed.
+	 *
+	 * <code>
+	 *		// Register an alias for the "SwiftMailer\Transport" class
+	 *		Loader::alias('Transport', 'SwiftMailer\\Transport');
+	 * </code>
+	 *
+	 * @param  string  $alias
+	 * @param  string  $class
+	 * @return void
+	 */
+	public function alias($alias, $class)
+	{
+		$this->aliases[$alias] = $class;
+	}
+
+	/**
+	 * Register a path with the auto-loader.
+	 *
+	 * The registered path will be searched when auto-loading classes.
+	 *
+	 * <code>
+	 *		// Register a path to be searched by the auto-loader
+	 *		Loader::path('path/to/files');
+	 * </code>
+	 *
+	 * @param  string  $path
+	 * @return void
+	 */
+	public function path($path)
+	{
+		$this->paths[] = rtrim($path, '/').'/';
+	}
+
+	/**
+	 * Remove an alias from the auto-loader's alias registrations.
+	 *
+	 * <code>
+	 *		// Remove the "Transport" alias from the registered aliases
+	 *		Loader::forget_alias('Transport');
+	 * </code>
+	 *
+	 * @param  string  $alias
+	 * @return void
+	 */
+	public function forget_alias($alias)
+	{
+		unset($this->aliases[$alias]);
+	}
+
 }