added Helpers::splitName()

Author: dg

src/Application/Helpers.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+namespace Nette\Application;
+
+use Nette;
+
+
+/**
+ * Application helpers.
+ */
+class Helpers
+{
+	use Nette\StaticClass;
+
+	/**
+	 * Splits name into [module, presenter] or [presenter, action]
+	 * @return array
+	 */
+	public static function splitName($name)
+	{
+		$pos = strrpos($name, ':');
+		return $pos === FALSE
+			? ['', $name, '']
+			: [substr($name, 0, $pos), (string) substr($name, $pos + 1), ':'];
+	}
+
+}

tests/Application/Helpers.splitName().phpt

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * Test: Helpers::splitName()
+ */
+
+use Nette\Application\Helpers;
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+
+Assert::same(['', '', ''], Helpers::splitName(''));
+Assert::same(['', 'One', ':'], Helpers::splitName(':One'));
+Assert::same(['Module', '', ':'], Helpers::splitName('Module:'));
+Assert::same(['Module', 'One', ':'], Helpers::splitName('Module:One'));
+Assert::same(['Module:Submodule', 'One', ':'], Helpers::splitName('Module:Submodule:One'));