Factory.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2024 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
#include <AUI/Common/SharedPtr.h>
 
template <typename BaseType>
class Factory
{
public:
    virtual ~Factory() = default;
    virtual _<BaseType> createObject() = 0;
 
    _<BaseType> operator()()
    {
        return createObject();
    }
 
    template <typename DerivedType>
    static _<Factory<BaseType>> makeFactoryOf() {
        class MyFactory: public Factory<BaseType>
        {
        public:
            _<BaseType> createObject() override
            {
                return _new<DerivedType>();
            }
        };
        return _new<MyFactory>();
    }
};