Created a new branch to act as a submodule of common classes

common/utilities/singleton.hpp

@@ -1,60 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#pragma once
-
-#include <stdexcept>
-
-template<typename T>
-class Singleton {
-public:
-	static T& GetSingleton() {
-		if (!ptr) {
-			throw(std::logic_error("This singleton has not been created"));
-		}
-		return *ptr;
-	}
-	static void CreateSingleton() {
-		if (ptr) {
-			throw(std::logic_error("This singleton has already been created"));
-		}
-		ptr = new T();
-	}
-	static void DeleteSingleton() {
-		if (!ptr) {
-			throw(std::logic_error("A non-existant singleton cannot be deleted"));
-		}
-		delete ptr;
-		ptr = nullptr;
-	}
-
-protected:
-	Singleton() = default;
-	Singleton(Singleton const&) = default;
-	Singleton(Singleton&&) = default;
-	~Singleton() = default;
-
-private:
-	static T* ptr;
-};
-
-template<typename T>
-T* Singleton<T>::ptr = nullptr;