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#ifndef PORTABLE_BINARY_IARCHIVE_HPP
#define PORTABLE_BINARY_IARCHIVE_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_iarchive.hpp
// (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 <istream>
#include <boost/serialization/string.hpp>
#include <boost/serialization/item_version_type.hpp>
#include <boost/archive/archive_exception.hpp>
#include <boost/archive/basic_binary_iprimitive.hpp>
#include <boost/archive/detail/common_iarchive.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_iarchive_exception :
public boost::archive::archive_exception
{
public:
enum exception_code {
incompatible_integer_size
} m_exception_code ;
portable_binary_iarchive_exception(exception_code c = incompatible_integer_size ) :
boost::archive::archive_exception(boost::archive::archive_exception::other_exception),
m_exception_code(c)
{}
virtual const char *what( ) const throw( )
{
const char *msg = "programmer error";
switch(m_exception_code){
case incompatible_integer_size:
msg = "integer cannot be represented";
break;
default:
msg = boost::archive::archive_exception::what();
assert(false);
break;
}
return msg;
}
};
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// "Portable" input 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_iarchive :
public boost::archive::basic_binary_iprimitive<
portable_binary_iarchive,
std::istream::char_type,
std::istream::traits_type
>,
public boost::archive::detail::common_iarchive<
portable_binary_iarchive
>
{
typedef boost::archive::basic_binary_iprimitive<
portable_binary_iarchive,
std::istream::char_type,
std::istream::traits_type
> primitive_base_t;
typedef boost::archive::detail::common_iarchive<
portable_binary_iarchive
> archive_base_t;
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
public:
#else
friend archive_base_t;
friend primitive_base_t; // since with override load below
friend class boost::archive::detail::interface_iarchive<
portable_binary_iarchive
>;
friend class boost::archive::load_access;
protected:
#endif
unsigned int m_flags;
void load_impl(boost::intmax_t & l, char maxsize);
// default fall through for any types not specified here
template<class T>
void load(T & t){
boost::intmax_t l;
load_impl(l, sizeof(T));
// use cast to avoid compile time warning
//t = static_cast< T >(l);
t = T(l);
}
void load(boost::serialization::item_version_type & t){
boost::intmax_t l;
load_impl(l, sizeof(boost::serialization::item_version_type));
// use cast to avoid compile time warning
t = boost::serialization::item_version_type(l);
}
void load(boost::archive::version_type & t){
boost::intmax_t l;
load_impl(l, sizeof(boost::archive::version_type));
// use cast to avoid compile time warning
t = boost::archive::version_type(l);
}
void load(boost::archive::class_id_type & t){
boost::intmax_t l;
load_impl(l, sizeof(boost::archive::class_id_type));
// use cast to avoid compile time warning
t = boost::archive::class_id_type(static_cast<int>(l));
}
void load(std::string & t){
this->primitive_base_t::load(t);
}
#ifndef BOOST_NO_STD_WSTRING
void load(std::wstring & t){
this->primitive_base_t::load(t);
}
#endif
void load(float & t){
this->primitive_base_t::load(t);
// floats not supported
//BOOST_STATIC_ASSERT(false);
}
void load(double & t){
this->primitive_base_t::load(t);
// doubles not supported
//BOOST_STATIC_ASSERT(false);
}
void load(char & t){
this->primitive_base_t::load(t);
}
void load(unsigned char & t){
this->primitive_base_t::load(t);
}
typedef boost::archive::detail::common_iarchive<portable_binary_iarchive>
detail_common_iarchive;
template<class T>
void load_override(T & t){
this->detail_common_iarchive::load_override(t);
}
void load_override(boost::archive::class_name_type & t);
// binary files don't include the optional information
void load_override(boost::archive::class_id_optional_type &){}
void init(unsigned int flags);
public:
portable_binary_iarchive(std::istream & is, unsigned flags = 0) :
primitive_base_t(
* is.rdbuf(),
0 != (flags & boost::archive::no_codecvt)
),
archive_base_t(flags),
m_flags(0)
{
init(flags);
}
portable_binary_iarchive(
std::basic_streambuf<
std::istream::char_type,
std::istream::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_iarchive)
#endif
// required by export in boost <= 1.34
#define BOOST_ARCHIVE_CUSTOM_IARCHIVE_TYPES portable_binary_iarchive
#if defined(_MSC_VER)
#pragma warning( pop )
#endif
#endif // PORTABLE_BINARY_IARCHIVE_HPP
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