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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @file vtkMultiProcessStreamSerialization.h
* @brief Utility to serialize STL containers to vtkMultiProcessStream
*
* This header provides helpers to make it easier to serialize STL containers
* to vtkMultiProcessStream.
*
* Typical usage is as follows:
*
* @code{.cpp}
*
* std::set<std::string> set_of_strings;
* ...
* vtkMultiProcessStream stream;
* stream << set_of_strings; // save
*
* .... do communication ...
*
* vtkMultiProcessStream result;
* stream >> result; // load
*
* ...
* @endcode
*/
#ifndef vtkMultiProcessSerialization_h
#define vtkMultiProcessSerialization_h
#include "vtkMultiProcessStream.h"
#include <array>
#include <map>
#include <set>
#include <utility>
#include <vector>
VTK_ABI_NAMESPACE_BEGIN
template <typename T>
struct Serialization
{
static void Save(vtkMultiProcessStream& stream, const T& t) { stream << t; }
static void Load(vtkMultiProcessStream& stream, T& t) { stream >> t; }
};
template <typename ElementType>
struct Serialization<std::set<ElementType>>
{
static void Save(vtkMultiProcessStream& stream, const std::set<ElementType>& set)
{
stream << static_cast<vtkTypeInt64>(set.size());
for (const auto& elem : set)
{
Serialization<ElementType>::Save(stream, elem);
}
}
static void Load(vtkMultiProcessStream& stream, std::set<ElementType>& set)
{
vtkTypeInt64 count;
stream >> count;
for (vtkTypeInt64 cc = 0; cc < count; ++cc)
{
ElementType elem;
Serialization<ElementType>::Load(stream, elem);
set.insert(std::move(elem));
}
}
};
template <typename ElementType, std::size_t N>
struct Serialization<std::array<ElementType, N>>
{
static void Save(vtkMultiProcessStream& stream, const std::array<ElementType, N>& array)
{
for (const auto& elem : array)
{
Serialization<ElementType>::Save(stream, elem);
}
}
static void Load(vtkMultiProcessStream& stream, std::array<ElementType, N>& array)
{
for (std::size_t cc = 0; cc < N; ++cc)
{
Serialization<ElementType>::Load(stream, array[cc]);
}
}
};
template <typename T1, typename T2>
struct Serialization<std::pair<T1, T2>>
{
static void Save(vtkMultiProcessStream& stream, const std::pair<T1, T2>& pair)
{
Serialization<T1>::Save(stream, pair.first);
Serialization<T2>::Save(stream, pair.second);
}
static void Load(vtkMultiProcessStream& stream, std::pair<T1, T2>& pair)
{
Serialization<T1>::Load(stream, pair.first);
Serialization<T2>::Load(stream, pair.second);
}
};
template <typename T1, typename T2>
struct Serialization<std::map<T1, T2>>
{
static void Save(vtkMultiProcessStream& stream, const std::map<T1, T2>& map)
{
stream << static_cast<vtkTypeInt64>(map.size());
for (const auto& pair : map)
{
Serialization<std::pair<T1, T2>>::Save(stream, pair);
}
}
static void Load(vtkMultiProcessStream& stream, std::map<T1, T2>& map)
{
vtkTypeInt64 count;
stream >> count;
for (vtkTypeInt64 cc = 0; cc < count; ++cc)
{
std::pair<T1, T2> pair;
Serialization<std::pair<T1, T2>>::Load(stream, pair);
map.insert(std::move(pair));
}
}
};
template <typename ElementType>
struct Serialization<std::vector<ElementType>>
{
static void Save(vtkMultiProcessStream& stream, const std::vector<ElementType>& vector)
{
stream << static_cast<vtkTypeInt64>(vector.size());
for (const auto& elem : vector)
{
Serialization<ElementType>::Save(stream, elem);
}
}
static void Load(vtkMultiProcessStream& stream, std::vector<ElementType>& vector)
{
vtkTypeInt64 count;
stream >> count;
for (vtkTypeInt64 cc = 0; cc < count; ++cc)
{
ElementType elem;
Serialization<ElementType>::Load(stream, elem);
vector.push_back(std::move(elem));
}
}
};
template <typename T>
inline vtkMultiProcessStream& operator<<(vtkMultiProcessStream& stream, const T& value)
{
Serialization<T>::Save(stream, value);
return stream;
}
template <typename T>
inline vtkMultiProcessStream& operator>>(vtkMultiProcessStream& stream, T& value)
{
Serialization<T>::Load(stream, value);
return stream;
}
VTK_ABI_NAMESPACE_END
#endif
// VTK-HeaderTest-Exclude: vtkMultiProcessStreamSerialization.h
|
