#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/version.hpp>
#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 <boost/archive/portable_binary_archive.hpp>
#include <boost/archive/impl/basic_binary_oprimitive.ipp>
namespace boost { namespace archive {
/////////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;
#if BOOST_VERSION > 105800
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 */
){}
#else
template<class T>
void save_override(T & t, int){
this->detail_common_oarchive::save_override(t, 0);
}
// explicitly convert to char * to avoid compile ambiguities
void save_override(const boost::archive::class_name_type & t, int){
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 */, int
){}
#endif
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
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// portable_binary_oarchive.cpp
// (C) Copyright 2002-7 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/detail/endian.hpp>
namespace boost { namespace archive {
inline void
portable_binary_oarchive::save_impl(
const boost::intmax_t l,
const char maxsize
){
char size = 0;
if(l == 0){
this->primitive_base_t::save(size);
return;
}
boost::intmax_t ll;
bool negative = (l < 0);
if(negative)
ll = -l;
else
ll = l;
do{
ll >>= CHAR_BIT;
++size;
}while(ll != 0);
this->primitive_base_t::save(
static_cast<char>(negative ? -size : size)
);
if(negative)
ll = -l;
else
ll = l;
char * cptr = reinterpret_cast<char *>(& ll);
#ifdef BOOST_BIG_ENDIAN
cptr += (sizeof(boost::intmax_t) - size);
if(m_flags & endian_little)
reverse_bytes(size, cptr);
#else
if(m_flags & endian_big)
reverse_bytes(size, cptr);
#endif
this->primitive_base_t::save_binary(cptr, size);
}
inline void
portable_binary_oarchive::init(unsigned int flags) {
if(m_flags == (endian_big | endian_little)){
boost::serialization::throw_exception(
portable_binary_oarchive_exception()
);
}
if(0 == (flags & boost::archive::no_header)){
// write signature in an archive version independent manner
const std::string file_signature(
boost::archive::BOOST_ARCHIVE_SIGNATURE()
);
* this << file_signature;
// write library version
const boost::archive::library_version_type v(
boost::archive::BOOST_ARCHIVE_VERSION()
);
* this << v;
}
save(static_cast<unsigned char>(m_flags >> CHAR_BIT));
}
} }
namespace boost {
namespace archive {
namespace detail {
template class archive_serializer_map<portable_binary_oarchive>;
}
// template class basic_binary_oprimitive<
// portable_binary_oarchive,
// std::ostream::char_type,
// std::ostream::traits_type
// > ;
} // namespace archive
} // namespace boost
#if defined(_MSC_VER)
#pragma warning( pop )
#endif
#endif // PORTABLE_BINARY_OARCHIVE_HPP
