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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// demo_fast_binary_archive.cpp
// (C) Copyright 2002 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)
// should pass compilation and execution
#include <sstream>
#include <boost/static_assert.hpp>
#include <boost/type_traits/is_array.hpp>
#define BOOST_ARCHIVE_SOURCE
#include <boost/archive/binary_oarchive_impl.hpp>
#include <boost/archive/binary_iarchive_impl.hpp>
#include <boost/archive/detail/register_archive.hpp>
// include template definitions for base classes used. Otherwise
// you'll get link failure with undefined symbols
#include <boost/archive/impl/basic_binary_oprimitive.ipp>
#include <boost/archive/impl/basic_binary_iprimitive.ipp>
#include <boost/archive/impl/basic_binary_oarchive.ipp>
#include <boost/archive/impl/basic_binary_iarchive.ipp>
using namespace boost::archive;
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// "Fast" output binary archive. This is a variation of the native binary
class fast_binary_oarchive :
// don't derive from binary_oarchive !!!
public binary_oarchive_impl<
fast_binary_oarchive,
std::ostream::char_type,
std::ostream::traits_type
>
{
typedef fast_binary_oarchive derived_t;
typedef binary_oarchive_impl<
fast_binary_oarchive,
std::ostream::char_type,
std::ostream::traits_type
> base_t;
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
public:
#else
friend class boost::archive::detail::interface_oarchive<derived_t>;
friend class basic_binary_oarchive<derived_t>;
friend class basic_binary_oprimitive<
derived_t,
std::ostream::char_type,
std::ostream::traits_type
>;
friend class boost::archive::save_access;
#endif
// add base class to the places considered when matching
// save function to a specific set of arguments. Note, this didn't
// work on my MSVC 7.0 system using
// binary_oarchive_impl<derived_t>::load_override;
// so we use the sure-fire method below. This failed to work as well
template<class T>
void save_override(T & t){
base_t::save_override(t);
// verify that this program is in fact working by making sure
// that arrays are getting passed here
BOOST_STATIC_ASSERT(! (boost::is_array<T>::value) );
}
template<int N>
void save_override(const int (& t)[N]){
save_binary(t, sizeof(t));
}
template<int N>
void save_override(const unsigned int (& t)[N]){
save_binary(t, sizeof(t));
}
template<int N>
void save_override(const long (& t)[N]){
save_binary(t, sizeof(t));
}
template<int N>
void save_override(const unsigned long (& t)[N]){
save_binary(t, sizeof(t));
}
public:
fast_binary_oarchive(std::ostream & os, unsigned flags = 0) :
base_t(os, flags)
{}
fast_binary_oarchive(std::streambuf & bsb, unsigned int flags = 0) :
base_t(bsb, flags)
{}
};
// required by export
BOOST_SERIALIZATION_REGISTER_ARCHIVE(fast_binary_oarchive)
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// "Fast" input binary archive. This is a variation of the native binary
class fast_binary_iarchive :
// don't derive from binary_oarchive !!!
public binary_iarchive_impl<
fast_binary_iarchive,
std::istream::char_type,
std::istream::traits_type
>
{
typedef fast_binary_iarchive derived_t;
typedef binary_iarchive_impl<
fast_binary_iarchive,
std::istream::char_type,
std::istream::traits_type
> base_t;
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
public:
#else
friend class boost::archive::detail::interface_iarchive<derived_t>;
friend class basic_binary_iarchive<derived_t>;
friend class basic_binary_iprimitive<
derived_t,
std::ostream::char_type,
std::ostream::traits_type
>;
friend class boost::archive::load_access;
#endif
// add base class to the places considered when matching
// save function to a specific set of arguments. Note, this didn't
// work on my MSVC 7.0 system using
// binary_oarchive_impl<derived_t>::load_override;
// so we use the sure-fire method below. This failed to work as well
template<class T>
void load_override(T & t){
base_t::load_override(t);
BOOST_STATIC_ASSERT(! (boost::is_array<T>::value) );
}
template<int N>
void load_override(int (& t)[N]){
load_binary(t, sizeof(t));
}
template<int N>
void load_override(unsigned int (& t)[N]){
load_binary(t, sizeof(t));
}
template<int N>
void load_override(long (& t)[N]){
load_binary(t, sizeof(t));
}
template<int N>
void load_override(unsigned long (& t)[N]){
load_binary(t, sizeof(t));
}
public:
fast_binary_iarchive(std::istream & is, unsigned int flags = 0) :
base_t(is, flags)
{}
fast_binary_iarchive(std::streambuf & bsb, unsigned int flags = 0) :
base_t(bsb, flags)
{}
};
// required by export
BOOST_SERIALIZATION_REGISTER_ARCHIVE(fast_binary_iarchive)
int main( int argc, char* argv[] )
{
const int a[3] = {1, 2, 3};
int a1[3] = {4, 5, 6};
std::stringstream ss;
{
fast_binary_oarchive pboa(ss);
pboa << a;
}
{
fast_binary_iarchive pbia(ss);
pbia >> a1;
}
return (a[0] != a1[0]) || (a[1] != a1[1]) || (a[2] != a1[2]);
}
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