IStringable.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/.
 */
 
//
// Created by alex2772 on 7/7/21.
//
 
#pragma once
 
 
#include <AUI/Common/SharedPtrTypes.h>
#include <AUI/Reflect/AReflect.h>
#include <AUI/Common/AString.h>
 
class IStringable {
public:
    virtual ~IStringable() = default;
 
    virtual AString toString() const = 0;
 
    template<typename T>
    static AString toString(const T* t) {
        /*
         * since dynamic_cast is an expensive operation, we should do the compile-time check if we can directly call
         * the toString() function
         */
        if constexpr (std::is_base_of_v<IStringable, std::decay_t<T>>) {
            return t->toString();
        } else {
            if (auto stringable = dynamic_cast<const IStringable*>(t)) {
                return stringable->toString();
            } else {
                return AReflect::name(t);
            }
        }
    }
 
    template<typename T>
    static AString toString(const _<T>& t) {
        return toString(t.get());
    }
};