more refactoring for 2.0

laravel/routing/loader.php

@@ -0,0 +1,107 @@
+<?php namespace Laravel\Routing;
+
+use Laravel\Arr;
+
+class Loader {
+
+	/**
+	 * The location of the base routes file.
+	 *
+	 * @var string
+	 */
+	protected $base;
+
+	/**
+	 * The directory containing nested route files.
+	 *
+	 * @var string
+	 */
+	protected $nest;
+
+	/**
+	 * A cache for all of the routes defined for the entire application.
+	 *
+	 * @var array
+	 */
+	protected $everything;
+
+	/**
+	 * Create a new route loader instance.
+	 *
+	 * @param  string  $base
+	 * @param  string  $nest
+	 * @return void
+	 */
+	public function __construct($base, $nest)
+	{
+		$this->base = $base;
+		$this->nest = $nest;
+	}
+
+	/**
+	 * Load the applicable routes for a given URI.
+	 *
+	 * @param  string  $uri
+	 * @return array
+	 */
+	public function load($uri)
+	{
+		$routes = (file_exists($path = $this->base.'routes'.EXT)) ? require $path : array();
+
+		return array_merge($this->nested(Arr::without(explode('/', $uri), array(''))), $routes);
+	}
+
+	/**
+	 * Get the appropriate routes from the routes directory for a given URI.
+	 *
+	 * @param  array  $segments
+	 * @return array
+	 */
+	protected function nested($segments)
+	{
+		// Work backwards through the URI segments until we find the deepest possible
+		// matching route directory. Once we find it, we will return those routes.
+		foreach (array_reverse($segments, true) as $key => $value)
+		{
+			if (file_exists($path = $this->nest.implode('/', array_slice($segments, 0, $key + 1)).EXT))
+			{
+				return require $path;
+			}
+			elseif (file_exists($path = str_replace('.php', '/routes.php', $path)))
+			{
+				return require $path;
+			}
+		}
+
+		return array();
+	}
+
+	/**
+	 * Get every route defined for the application.
+	 *
+	 * @return array
+	 */
+	public function everything()
+	{
+		if ( ! is_null($this->everything)) return $this->everything;
+
+		$routes = array();
+
+		// Since route files can be nested deep within the route directory, we need to
+		// recursively spin through the directory to find every file.
+		$directoryIterator = new \RecursiveDirectoryIterator($this->nest);
+
+		$recursiveIterator = new \RecursiveIteratorIterator($directoryIterator, \RecursiveIteratorIterator::SELF_FIRST);
+
+		foreach ($recursiveIterator as $file)
+		{
+			if (filetype($file) === 'file')
+			{
+				$routes = array_merge(require $file, $routes);
+			}
+		}
+
+		return $this->everything = $routes;
+	}
+
+}