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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/serialization/example/demo_xml.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream/16.2.11+ds.tar.xz ceph-upstream/16.2.11+ds.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/serialization/example/demo_xml.cpp')
-rw-r--r-- | src/boost/libs/serialization/example/demo_xml.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/boost/libs/serialization/example/demo_xml.cpp b/src/boost/libs/serialization/example/demo_xml.cpp new file mode 100644 index 000000000..4c8518e99 --- /dev/null +++ b/src/boost/libs/serialization/example/demo_xml.cpp @@ -0,0 +1,127 @@ +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// +// demo_xml.cpp +// +// (C) Copyright 2002-4 Robert Ramey - http://www.rrsd.com . +// Use, modification and distribution is subject to 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) + +#include <iomanip> +#include <iostream> +#include <fstream> +#include <string> + +#include <cstdio> // remove +#include <boost/config.hpp> +#if defined(BOOST_NO_STDC_NAMESPACE) +namespace std{ + using ::remove; +} +#endif + +#include <boost/archive/tmpdir.hpp> +#include <boost/archive/xml_iarchive.hpp> +#include <boost/archive/xml_oarchive.hpp> + +#include "demo_gps.hpp" + +void save_schedule(const bus_schedule &s, const char * filename){ + // make an archive + std::ofstream ofs(filename); + assert(ofs.good()); + boost::archive::xml_oarchive oa(ofs); + oa << BOOST_SERIALIZATION_NVP(s); +} + +void +restore_schedule(bus_schedule &s, const char * filename) +{ + // open the archive + std::ifstream ifs(filename); + assert(ifs.good()); + boost::archive::xml_iarchive ia(ifs); + + // restore the schedule from the archive + ia >> BOOST_SERIALIZATION_NVP(s); +} + +int main(int argc, char *argv[]) +{ + // make the schedule + bus_schedule original_schedule; + + // fill in the data + // make a few stops + bus_stop *bs0 = new bus_stop_corner( + gps_position(34, 135, 52.560f), + gps_position(134, 22, 78.30f), + "24th Street", "10th Avenue" + ); + bus_stop *bs1 = new bus_stop_corner( + gps_position(35, 137, 23.456f), + gps_position(133, 35, 54.12f), + "State street", "Cathedral Vista Lane" + ); + bus_stop *bs2 = new bus_stop_destination( + gps_position(35, 136, 15.456f), + gps_position(133, 32, 15.300f), + "White House" + ); + bus_stop *bs3 = new bus_stop_destination( + gps_position(35, 134, 48.789f), + gps_position(133, 32, 16.230f), + "Lincoln Memorial" + ); + + // make a routes + bus_route route0; + route0.append(bs0); + route0.append(bs1); + route0.append(bs2); + + // add trips to schedule + original_schedule.append("bob", 6, 24, &route0); + original_schedule.append("bob", 9, 57, &route0); + original_schedule.append("alice", 11, 02, &route0); + + // make aother routes + bus_route route1; + route1.append(bs3); + route1.append(bs2); + route1.append(bs1); + + // add trips to schedule + original_schedule.append("ted", 7, 17, &route1); + original_schedule.append("ted", 9, 38, &route1); + original_schedule.append("alice", 11, 47, &route1); + + // display the complete schedule + std::cout << "original schedule"; + std::cout << original_schedule; + + std::string filename(boost::archive::tmpdir()); + filename += "/demo.xml"; + + // save the schedule + save_schedule(original_schedule, filename.c_str()); + + // ... some time later + // make a new schedule + bus_schedule new_schedule; + + restore_schedule(new_schedule, filename.c_str()); + + // and display + std::cout << "\nrestored schedule"; + std::cout << new_schedule; + // should be the same as the old one. (except for the pointer values) + + std::remove(filename.c_str()); + + delete bs0; + delete bs1; + delete bs2; + delete bs3; + return 0; +} |