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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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