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Matthias Troyer | 15 May 19:31

Re: in-memory stream, binary archive,serialization


On 14 May 2008, at 22:17, Victor Whiskey Yankee wrote:

Could you just post it to the list?

Here is an example program:

#include <boost/archive/binary_oarchive.hpp>
#include <boost/archive/binary_iarchive.hpp>
#include <boost/iostreams/stream_buffer.hpp>
#include <boost/iostreams/stream.hpp>
#include <boost/iostreams/device/back_inserter.hpp>
#include <boost/serialization/vector.hpp>
#include <vector>
#include <iostream>



int main()
{    

  namespace io = boost::iostreams;
  typedef std::vector<char> buffer_type;
  buffer_type buffer;

  const std::vector<double> data(10000000);

  io::stream<io::back_insert_device<buffer_type> > output_stream(buffer);
  boost::archive::binary_oarchive oa(output_stream);

  oa << data;
  output_stream.flush();

  std::vector<double> data_in;

  

  io::basic_array_source<char> source(&buffer[0],buffer.size());
  io::stream<io::basic_array_source <char> > input_stream(source);
  boost::archive::binary_iarchive ia(input_stream);

  

  ia >> data_in;
}



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