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/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright 2011-2018 Dominik Charousset *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#pragma once
#include <string>
#include <cstddef> // size_t
#include <type_traits>
#include "caf/data_processor.hpp"
#include "caf/fwd.hpp"
#include "caf/raise_error.hpp"
namespace caf {
/// @ingroup TypeSystem
/// Technology-independent serialization interface.
class serializer : public data_processor<serializer> {
public:
using super = data_processor<serializer>;
static constexpr bool reads_state = true;
static constexpr bool writes_state = false;
// Boost Serialization compatibility
using is_saving = std::true_type;
using is_loading = std::false_type;
explicit serializer(actor_system& sys);
explicit serializer(execution_unit* ctx = nullptr);
~serializer() override;
};
template <class T>
typename std::enable_if<
std::is_same<
error,
decltype(std::declval<serializer&>().apply(std::declval<T&>()))
>::value
>::type
operator&(serializer& sink, const T& x) {
// implementations are required to never modify `x` while saving
auto e = sink.apply(const_cast<T&>(x));
if (e)
CAF_RAISE_ERROR("error during serialization (using operator&)");
}
template <class T>
typename std::enable_if<
std::is_same<
error,
decltype(std::declval<serializer&>().apply(std::declval<T&>()))
>::value,
serializer&
>::type
operator<<(serializer& sink, const T& x) {
sink & x;
return sink;
}
} // namespace caf
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