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
save_schedule(const bus_schedule & s,const char * filename)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
main(int argc,char * argv[])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 }
92