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f1504d851a
Refined an intrusive example. It includes base class serialization. We can switch map based and array based serialization.
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
// MessagePack for C++ example
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//
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// Copyright (C) 2015 KONDO Takatoshi
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include <cassert>
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#include <memory>
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#include <msgpack.hpp>
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struct my {
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my() = delete;
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// target class should be either copyable or movable (or both).
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my(my const&) = delete;
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my(my&&) = default;
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my(int a):a(a) {}
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int a;
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MSGPACK_DEFINE(a);
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};
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namespace msgpack {
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MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS) {
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namespace adaptor {
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template<>
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struct as<my> {
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my operator()(msgpack::object const& o) const {
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if (o.type != msgpack::type::ARRAY) throw msgpack::type_error();
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if (o.via.array.size != 1) throw msgpack::type_error();
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return my(o.via.array.ptr[0].as<int>());
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}
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};
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} // namespace adaptor
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} // MSGPACK_API_VERSION_NAMESPACE(MSGPACK_DEFAULT_API_NS)
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} // namespace msgpack
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int main() {
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my m1(42);
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msgpack::zone z;
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msgpack::object obj(m1, z);
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auto m2 = obj.as<my>();
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assert(m1.a == m2.a);
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}
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