moved routing classes into system namespace.

system/route_finder.php

@@ -0,0 +1,89 @@
+<?php namespace System;
+
+class Route_Finder {
+
+	/**
+	 * All of the loaded routes.
+	 *
+	 * @var array
+	 */
+	public static $routes;
+
+	/**
+	 * The named routes that have been found so far.
+	 *
+	 * @var array
+	 */
+	public static $names = array();
+
+	/**
+	 * Find a route by name.
+	 *
+	 * @param  string  $name
+	 * @return array
+	 */
+	public static function find($name)
+	{
+		// This class maintains its own list of routes because the router only loads routes that
+		// are applicable to the current request URI. But, this class obviously needs access
+		// to all of the routes, not just the ones applicable to the request URI.
+		if (is_null(static::$routes))
+		{
+			static::$routes = require APP_PATH.'routes'.EXT;
+
+			if (is_dir(APP_PATH.'routes'))
+			{
+				static::$routes = array_merge(static::load(), static::$routes);
+			}
+		}
+
+		if (array_key_exists($name, static::$names))
+		{
+			return static::$names[$name];
+		}
+
+		$arrayIterator = new \RecursiveArrayIterator(static::$routes);
+
+		$recursiveIterator = new \RecursiveIteratorIterator($arrayIterator);
+
+		foreach ($recursiveIterator as $iterator)
+		{
+			$route = $recursiveIterator->getSubIterator();
+
+			if (isset($route['name']) and $route['name'] == $name)
+			{
+				return static::$names[$name] = array($arrayIterator->key() => iterator_to_array($route));
+			}
+		}
+	}
+
+	/**
+	 * Load all of the routes from the routes directory.
+	 *
+	 * All of the various route files will be merged together
+	 * into a single array that can be searched.
+	 *
+	 * @return array
+	 */
+	private static function load()
+	{
+		$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(APP_PATH.'routes');
+
+		$recursiveIterator = new \RecursiveIteratorIterator($directoryIterator, \RecursiveIteratorIterator::SELF_FIRST);
+
+		foreach ($recursiveIterator as $file)
+		{
+			if (filetype($file) === 'file' and strpos($file, EXT) !== false)
+			{
+				$routes = array_merge(require $file, $routes);
+			}
+		}
+
+		return $routes;
+	}
+
+}