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#include <armadillo>
#include <boost/archive/binary_iarchive.hpp>
#include <boost/archive/binary_oarchive.hpp>
#include <boost/serialization/assume_abstract.hpp>
#include <boost/serialization/serialization.hpp>
#include <boost/serialization/split_member.hpp>
#include <boost/serialization/export.hpp>
#include <boost/serialization/unique_ptr.hpp>
#include <fstream>
#include <iostream>
#include <memory>
#include <sstream>
#include <vector>
//Serialization for Armadillo Matrices------------------
BOOST_SERIALIZATION_SPLIT_FREE(arma::mat)
namespace boost::serialization {
template<class Archive>
void save(Archive & ar, const arma::mat &t, unsigned int version) {
ar << t.n_elem;
auto data = t.colptr(0);
for (size_t K = 0; K < t.n_elem; ++K)
ar << data[K];
}
template<class Archive>
void load(Archive & ar, arma::mat &t, unsigned int version) {
size_t n_elem;
ar >> n_elem;
t.set_size(n_elem);
t.zeros();
auto data = t.colptr(0);
for (size_t K = 0; K < n_elem; ++K)
ar >> data[K];
}
}//-------------------------------------------------------
class Car {
public:
//Car() = default;
//virtual double getInfo() = 0;
virtual char const* type() const = 0;
virtual ~Car() = default;
private:
friend class boost::serialization::access;
template <class Archive>
void serialize(Archive& ar, const unsigned int version) {};
};
class Porsche : public Car {
public:
char const* type() const override { return "Porsche"; }
//double getInfo() override { return 1.1; }
Porsche(std::string owner1, int hp1, arma::mat A1)
{
owner = owner1;
hp = hp1;
A = A1;
}
std::string owner;
int hp{};
arma::mat A;
Porsche() = default;
private:
friend class boost::serialization::access;
template <class Archive>
void serialize(Archive& ar, const unsigned int version) {
ar & boost::serialization::base_object<Car>(*this); //https://theboostcpplibraries.com/boost.serialization-class-hierarchies
ar & owner;
ar & hp;
ar & A;
}
};
class Audi : public Car {
public:
char const* type() const override { return "Audi"; }
//double getInfo() override { return 2.2; }
Audi(std::string owner1, int hp1, std::string second_owner1, std::string country1, arma::mat A1)
{
owner = owner1;
hp = hp1;
second_owner = second_owner1;
country = country1;
A = A1;
}
Audi() = default;
std::string owner;
int hp{};
std::string second_owner;
std::string country;
arma::mat A;
private:
friend class boost::serialization::access;
template <class Archive>
void serialize(Archive& ar, const unsigned int version) {
ar & boost::serialization::base_object<Car>(*this); //https://theboostcpplibraries.com/boost.serialization-class-hierarchies
ar & owner;
ar & hp;
ar & second_owner;
ar & country;
ar & A;
}
};
BOOST_CLASS_EXPORT(Audi);
BOOST_CLASS_EXPORT(Porsche);
BOOST_SERIALIZATION_ASSUME_ABSTRACT(Car); //Tell Boost that Car is abstract
int main() {
std::string str;
{
std::unique_ptr<Car> audi = std::make_unique<Audi>("Wilma", 3, "Rene", "Argentina" ,arma::randu<arma::mat>(4,5));
std::unique_ptr<Car> porsche = std::make_unique<Porsche>("Joe", 14, arma::randu<arma::mat>(6,5));
std::stringstream strs;
boost::archive::binary_oarchive ar(strs);
ar& audi;
ar& porsche;
str = strs.str();
}
{
std::unique_ptr<Audi> audi = std::make_unique<Audi>();
std::unique_ptr<Porsche>porsche = std::make_unique<Porsche>();
std::stringstream strs(str);
boost::archive::binary_iarchive ar(strs);
ar& audi;
ar& porsche;
std::cout << "audi: hp=" << audi->hp << "\n";
std::cout << "porsche: hp=" << porsche->hp<< " owner=" << porsche->owner << " A=" << porsche->A <<"\n";
}
}
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