ceph/src/boost/libs/serialization/example/demo_xml_load.cpp

   1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
   2 //
   3 // demo_xml_load.cpp
   4 //
   5 // (C) Copyright 2002-4 Robert Ramey - http://www.rrsd.com .
   6 // Use, modification and distribution is subject to the Boost Software
   7 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #include <iostream>
  11 #include <string>
  12 #include <boost/archive/tmpdir.hpp>
  13
  14 #include <boost/archive/xml_iarchive.hpp>
  15
  16 #include "demo_gps.hpp"
  17
  18 void
  19 restore_schedule(bus_schedule &s, const char * filename)
  20 {
  21     // open the archive
  22     std::ifstream ifs(filename);
  23     assert(ifs.good());
  24     boost::archive::xml_iarchive ia(ifs);
  25
  26     // restore the schedule from the archive
  27     ia >> BOOST_SERIALIZATION_NVP(s);
  28 }
  29
  30 int main(int argc, char *argv[])
  31 {
  32     // make  a new schedule
  33     bus_schedule new_schedule;
  34
  35     std::string filename(boost::archive::tmpdir());
  36     filename += "/demo_save.xml";
  37
  38     restore_schedule(new_schedule, filename.c_str());
  39
  40     // and display
  41     std::cout << "\nrestored schedule";
  42     std::cout << new_schedule;
  43
  44     return 0;
  45 }