mirror of
https://github.com/Rogiel/PacketBuffer
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74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
/*
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* Copyright (c) 2017, Rogiel Sulzbach
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Rogiel Sulzbach nor the names of contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef PACKETBUFFER_SERIALIZER_STD_EXPERIMENTAL_OPTIONAL_H
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#define PACKETBUFFER_SERIALIZER_STD_EXPERIMENTAL_OPTIONAL_H
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#include "PacketBuffer/ObjectSerializer.h"
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#if __has_include(<experimental/optional>)
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#include <experimental/optional>
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namespace PacketBuffer {
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/**
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* A ObjectSerializer for std::optional of type <tt>T</tt>.
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*
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* @tparam T the optional type
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*/
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template<typename T>
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class ObjectSerializer<std::experimental::optional<T>> {
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public:
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template<typename Packer>
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static inline void pack(Packer& packer, const std::experimental::optional<T>& optional) {
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if(optional) {
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packer(true);
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packer(*optional);
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} else {
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packer(false);
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}
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}
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template<typename Unpacker>
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static inline void unpack(Unpacker& unpacker, std::experimental::optional<T>& optional) {
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bool hasValue;
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unpacker(hasValue);
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if(hasValue) {
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unpacker(*optional);
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}
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}
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};
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}
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#endif
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#endif //PACKETBUFFER_SERIALIZER_STD_EXPERIMENTAL_OPTIONAL_H
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