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#ifndef PORTABLE_BINARY_OARCHIVE_HPP
#define PORTABLE_BINARY_OARCHIVE_HPP
// MS compatible compilers support #pragma once
#if defined(_MSC_VER)
# pragma once
#endif
#if defined(_MSC_VER)
#pragma warning( push )
#pragma warning( disable : 4244 )
#endif
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// portable_binary_oarchive.hpp
// (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)
// See http://www.boost.org for updates, documentation, and revision history.
#include <ostream>
#include <boost/serialization/string.hpp>
#include <boost/archive/archive_exception.hpp>
#include <boost/archive/basic_binary_oprimitive.hpp>
#include <boost/archive/detail/common_oarchive.hpp>
#include <boost/archive/detail/register_archive.hpp>
#include "portable_binary_archive.hpp"
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// exception to be thrown if integer read from archive doesn't fit
// variable being loaded
class portable_binary_oarchive_exception :
public boost::archive::archive_exception
{
public:
typedef enum {
invalid_flags
} exception_code;
portable_binary_oarchive_exception(exception_code c = invalid_flags )
{}
virtual const char *what( ) const throw( )
{
const char *msg = "programmer error";
switch(code){
case invalid_flags:
msg = "cannot be both big and little endian";
default:
boost::archive::archive_exception::what();
}
return msg;
}
};
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// "Portable" output binary archive. This is a variation of the native binary
// archive. it addresses integer size and endienness so that binary archives can
// be passed across systems. Note:floating point types not addressed here
class portable_binary_oarchive :
public boost::archive::basic_binary_oprimitive<
portable_binary_oarchive,
std::ostream::char_type,
std::ostream::traits_type
>,
public boost::archive::detail::common_oarchive<
portable_binary_oarchive
>
{
typedef boost::archive::basic_binary_oprimitive<
portable_binary_oarchive,
std::ostream::char_type,
std::ostream::traits_type
> primitive_base_t;
typedef boost::archive::detail::common_oarchive<
portable_binary_oarchive
> archive_base_t;
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
public:
#else
friend archive_base_t;
friend primitive_base_t; // since with override save below
friend class boost::archive::detail::interface_oarchive<
portable_binary_oarchive
>;
friend class boost::archive::save_access;
protected:
#endif
unsigned int m_flags;
void save_impl(const boost::intmax_t l, const char maxsize);
// 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 so we use the sure-fire method below
// using archive_base_t::save;
// default fall through for any types not specified here
template<class T>
void save(const T & t){
save_impl(t, sizeof(T));
}
void save(const std::string & t){
this->primitive_base_t::save(t);
}
#ifndef BOOST_NO_STD_WSTRING
void save(const std::wstring & t){
this->primitive_base_t::save(t);
}
#endif
void save(const float & t){
this->primitive_base_t::save(t);
// floats not supported
//BOOST_STATIC_ASSERT(false);
}
void save(const double & t){
this->primitive_base_t::save(t);
// doubles not supported
//BOOST_STATIC_ASSERT(false);
}
void save(const char & t){
this->primitive_base_t::save(t);
}
void save(const unsigned char & t){
this->primitive_base_t::save(t);
}
// default processing - kick back to base class. Note the
// extra stuff to get it passed borland compilers
typedef boost::archive::detail::common_oarchive<portable_binary_oarchive>
detail_common_oarchive;
template<class T>
void save_override(T & t){
this->detail_common_oarchive::save_override(t);
}
// explicitly convert to char * to avoid compile ambiguities
void save_override(const boost::archive::class_name_type & t){
const std::string s(t);
* this << s;
}
// binary files don't include the optional information
void save_override(
const boost::archive::class_id_optional_type & /* t */
){}
void init(unsigned int flags);
public:
portable_binary_oarchive(std::ostream & os, unsigned flags = 0) :
primitive_base_t(
* os.rdbuf(),
0 != (flags & boost::archive::no_codecvt)
),
archive_base_t(flags),
m_flags(flags & (endian_big | endian_little))
{
init(flags);
}
portable_binary_oarchive(
std::basic_streambuf<
std::ostream::char_type,
std::ostream::traits_type
> & bsb,
unsigned int flags
) :
primitive_base_t(
bsb,
0 != (flags & boost::archive::no_codecvt)
),
archive_base_t(flags),
m_flags(0)
{
init(flags);
}
};
// required by export in boost version > 1.34
#ifdef BOOST_SERIALIZATION_REGISTER_ARCHIVE
BOOST_SERIALIZATION_REGISTER_ARCHIVE(portable_binary_oarchive)
#endif
// required by export in boost <= 1.34
#define BOOST_ARCHIVE_CUSTOM_OARCHIVE_TYPES portable_binary_oarchive
#if defined(_MSC_VER)
#pragma warning( pop )
#endif
#endif // PORTABLE_BINARY_OARCHIVE_HPP
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