serialization.hpp
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// Copyright 2019 Hans Dembinski
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_HISTOGRAM_TEST_UTILITY_SERIALIZATION_HPP
#define BOOST_HISTOGRAM_TEST_UTILITY_SERIALIZATION_HPP
#include <boost/archive/xml_iarchive.hpp>
#include <boost/archive/xml_oarchive.hpp>
#include <boost/config.hpp> // BOOST_WINDOWS
#include <boost/core/nvp.hpp>
#include <cassert>
#include <fstream>
#include <iostream>
#include <string>
std::string join(const char* a, const char* b) {
std::string filename = a;
filename +=
#ifdef BOOST_WINDOWS
"\\";
#else
"/";
#endif
filename += b;
return filename;
}
template <class T>
void load_xml(const std::string& filename, T& t) {
std::ifstream ifs(filename);
assert(ifs.is_open());
// manually skip XML comments at the beginning of the stream, because of
// https://github.com/boostorg/serialization/issues/169
char line[128];
do {
ifs.getline(line, 128);
assert(std::strlen(line) < 127);
} while (!ifs.fail() && !ifs.eof() && std::strstr(line, "-->") == nullptr);
boost::archive::xml_iarchive ia(ifs);
ia >> boost::make_nvp("item", t);
}
template <class T>
void print_xml(const std::string& filename, const T& t) {
std::cout << filename << "\n";
boost::archive::xml_oarchive oa(std::cout);
oa << boost::make_nvp("item", t);
std::cout << std::flush;
}
#endif