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copy-helper.hpp
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copy-helper.hpp
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/*
* Copyright (C) 2020-2021 Tusooa Zhu <tusooa@kazv.moe>
*
* This file is part of libkazv.
*
* libkazv is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* libkazv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with libkazv. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <libkazv-config.hpp>
#define KAZV_DECLARE_COPYABLE(typeName) \
typeName(const typeName &that); \
typeName(typeName &&that); \
typeName &operator=(const typeName &that); \
typeName &operator=(typeName &&that);
#define KAZV_DEFINE_COPYABLE_UNIQUE_PTR(typeName, privateName) \
typeName::typeName(const typeName &that) \
: privateName(std::make_unique<decltype(privateName)::element_type>(*(that.privateName))) \
{ \
} \
typeName::typeName(typeName &&that) \
: privateName(std::move(that.privateName)) \
{ \
} \
typeName &typeName::operator=(const typeName &that) \
{ \
privateName.reset(); \
privateName = std::make_unique<decltype(privateName)::element_type>(*(that.privateName)); \
return *this; \
} \
typeName &typeName::operator=(typeName &&that) \
{ \
privateName.reset(); \
privateName = std::move(that.privateName); \
return *this; \
}

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