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

   1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
   2 //
   3 // demo_xml_save.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_oarchive.hpp>
  15
  16 #include "demo_gps.hpp"
  17
  18 void save_schedule(const bus_schedule &s, const char * filename){
  19     // make an archive
  20     std::ofstream ofs(filename);
  21     assert(ofs.good());
  22     boost::archive::xml_oarchive oa(ofs);
  23     oa << BOOST_SERIALIZATION_NVP(s);
  24 }
  25
  26 int main(int argc, char *argv[])
  27 {
  28     // make the schedule
  29     bus_schedule original_schedule;
  30
  31     // fill in the data
  32     // make a few stops
  33     bus_stop *bs0 = new bus_stop_corner(
  34         gps_position(34, 135, 52.560f),
  35         gps_position(134, 22, 78.30f),
  36         "24th Street", "10th Avenue"
  37     );
  38     bus_stop *bs1 = new bus_stop_corner(
  39         gps_position(35, 137, 23.456f),
  40         gps_position(133, 35, 54.12f),
  41         "State street", "Cathedral Vista Lane"
  42     );
  43     bus_stop *bs2 = new bus_stop_destination(
  44         gps_position(35, 136, 15.456f),
  45         gps_position(133, 32, 15.300f),
  46         "White House"
  47     );
  48     bus_stop *bs3 = new bus_stop_destination(
  49         gps_position(35, 134, 48.789f),
  50         gps_position(133, 32, 16.230f),
  51         "Lincoln Memorial"
  52     );
  53
  54     // make a  routes
  55     bus_route route0;
  56     route0.append(bs0);
  57     route0.append(bs1);
  58     route0.append(bs2);
  59
  60     // add trips to schedule
  61     original_schedule.append("bob", 6, 24, &route0);
  62     original_schedule.append("bob", 9, 57, &route0);
  63     original_schedule.append("alice", 11, 02, &route0);
  64
  65     // make aother routes
  66     bus_route route1;
  67     route1.append(bs3);
  68     route1.append(bs2);
  69     route1.append(bs1);
  70
  71     // add trips to schedule
  72     original_schedule.append("ted", 7, 17, &route1);
  73     original_schedule.append("ted", 9, 38, &route1);
  74     original_schedule.append("alice", 11, 47, &route1);
  75
  76     // display the complete schedule
  77     std::cout << "original schedule";
  78     std::cout << original_schedule;
  79
  80     std::string filename(boost::archive::tmpdir());
  81     filename += "/demo_save.xml";
  82
  83     // save the schedule
  84     save_schedule(original_schedule, filename.c_str());
  85
  86     delete bs0;
  87     delete bs1;
  88     delete bs2;
  89     delete bs3;
  90     return 0;
  91 }