Hello,
I am looking for some help in following instructions to create a wide
character archive that I found from the boost serialization
documentation:
Actually the reason I am on this path is because my code is crashing
if I try to do this in a normal way. (please see my previous post
[Serialization] Strange crash with binary_iarchive)
To produce wide character text output (i.e. 16 bit characters on Win32 systems), do the following.
Open a wide character stream.
Alter the stream locale to use boost::archive::codecvt_nullOStream::char_type
Create the archive with the flag no_codecvt. Naturally, the input process has to be symmetrical.
My attempt (below) crashed when the archive is read back - what am I
doing wrong?
std::wofstream bofs("gps.bin", std::ios::binary);
std::locale loc(bofs.getloc(), new boost::archive::codecvt_null());
bofs.imbue(loc);
// create class instance
const gps_position g2(36, 60, 24.567f);
boost::archive::binary_woarchive oa(bofs, boost::archive::no_codecvt);
oa << g2;
bofs.close();
cout << "reading archive..." << endl;
gps_position newg;
// create and open an archive for input
std::wifstream ifs("gps.bin", std::ios::binary);
std::locale loc2(ifs.getloc(), new boost::archive::codecvt_null());
ifs.imbue(loc2);
// CRASHES NEXT LINE
boost::archive::binary_wiarchive ia(ifs, boost::archive::no_codecvt);
// read class state from archive
ia >> newg;
The serialized class is below:
#include <string>
#include <vector>
#include <fstream>
#include
#include
#include
#include
#include
#include
using namespace std;
class gps_position
{
private:
friend class boost::serialization::access;
// When the class Archive corresponds to an output archive, the
// & operator is defined similar to <<. Likewise, when the class Archive
// is a type of input archive the & operator is defined similar to >>.
template<class Archive>
void serialize(Archive & ar, const unsigned int version)
{
ar & degrees;
ar & minutes;
ar & seconds;
}
int degrees;
int minutes;
float seconds;
double* data;
public:
gps_position(){};
gps_position(int d, int m, float s) :
degrees(d), minutes(m), seconds(s)
{}
};
Thanks
Mahesh
