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3rdparty/boost_1_81_0/libs/histogram/test/serialization.hpp 1.43 KB
73ef4ff3   Hu Chunming   提交三方库
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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