Chris@16: #ifndef BOOST_ARCHIVE_BINARY_IPRIMITIVE_HPP
Chris@16: #define BOOST_ARCHIVE_BINARY_IPRIMITIVE_HPP
Chris@16: 
Chris@16: // MS compatible compilers support #pragma once
Chris@101: #if defined(_MSC_VER)
Chris@16: # pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(_MSC_VER)
Chris@16: #pragma warning( disable : 4800 )
Chris@16: #endif
Chris@16: 
Chris@16: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
Chris@16: // basic_binary_iprimitive.hpp
Chris@16: //
Chris@16: // archives stored as native binary - this should be the fastest way
Chris@16: // to archive the state of a group of obects.  It makes no attempt to
Chris@16: // convert to any canonical form.
Chris@16: 
Chris@16: // IN GENERAL, ARCHIVES CREATED WITH THIS CLASS WILL NOT BE READABLE
Chris@16: // ON PLATFORM APART FROM THE ONE THEY ARE CREATED ON
Chris@16: 
Chris@16: // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
Chris@16: // Use, modification and distribution is subject to the Boost Software
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org for updates, documentation, and revision history.
Chris@16: 
Chris@16: #include <iosfwd>
Chris@16: #include <boost/assert.hpp>
Chris@16: #include <locale>
Chris@16: #include <cstring> // std::memcpy
Chris@16: #include <cstddef> // std::size_t
Chris@16: #include <streambuf> // basic_streambuf
Chris@16: #include <string>
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: #if defined(BOOST_NO_STDC_NAMESPACE)
Chris@16: namespace std{ 
Chris@16:     using ::memcpy; 
Chris@16:     using ::size_t;
Chris@16: } // namespace std
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/cstdint.hpp>
Chris@16: #include <boost/scoped_ptr.hpp>
Chris@16: #include <boost/serialization/throw_exception.hpp>
Chris@16: #include <boost/integer.hpp>
Chris@16: #include <boost/integer_traits.hpp>
Chris@16: 
Chris@16: #include <boost/mpl/placeholders.hpp>
Chris@16: #include <boost/serialization/is_bitwise_serializable.hpp>
Chris@16: #include <boost/serialization/array.hpp>
Chris@101: 
Chris@101: #include <boost/archive/basic_streambuf_locale_saver.hpp>
Chris@101: #include <boost/archive/archive_exception.hpp>
Chris@16: #include <boost/archive/detail/auto_link_archive.hpp>
Chris@16: #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
Chris@16: 
Chris@16: namespace boost { 
Chris@16: namespace archive {
Chris@16: 
Chris@101: template<class Ch>
Chris@101: class codecvt_null;
Chris@101: 
Chris@16: /////////////////////////////////////////////////////////////////////////////
Chris@16: // class binary_iarchive - read serialized objects from a input binary stream
Chris@16: template<class Archive, class Elem, class Tr>
Chris@16: class basic_binary_iprimitive
Chris@16: {
Chris@16: #ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
Chris@16:     friend class load_access;
Chris@16: protected:
Chris@16: #else
Chris@16: public:
Chris@16: #endif
Chris@16:     std::basic_streambuf<Elem, Tr> & m_sb;
Chris@16:     // return a pointer to the most derived class
Chris@16:     Archive * This(){
Chris@16:         return static_cast<Archive *>(this);
Chris@16:     }
Chris@16: 
Chris@16:     #ifndef BOOST_NO_STD_LOCALE
Chris@101:     boost::scoped_ptr<codecvt_null<Elem> > codecvt_facet;
Chris@16:     boost::scoped_ptr<std::locale> archive_locale;
Chris@16:     basic_streambuf_locale_saver<Elem, Tr> locale_saver;
Chris@16:     #endif
Chris@16: 
Chris@16:     // main template for serilization of primitive types
Chris@16:     template<class T>
Chris@16:     void load(T & t){
Chris@16:         load_binary(& t, sizeof(T));
Chris@16:     }
Chris@16: 
Chris@16:     /////////////////////////////////////////////////////////
Chris@16:     // fundamental types that need special treatment
Chris@16:     
Chris@16:     // trap usage of invalid uninitialized boolean 
Chris@16:     void load(bool & t){
Chris@16:         load_binary(& t, sizeof(t));
Chris@16:         int i = t;
Chris@16:         BOOST_ASSERT(0 == i || 1 == i);
Chris@16:         (void)i; // warning suppression for release builds.
Chris@16:     }
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     load(std::string &s);
Chris@16:     #ifndef BOOST_NO_STD_WSTRING
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     load(std::wstring &ws);
Chris@16:     #endif
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     load(char * t);
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     load(wchar_t * t);
Chris@16: 
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16:     init();
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY()) 
Chris@16:     basic_binary_iprimitive(
Chris@16:         std::basic_streambuf<Elem, Tr> & sb, 
Chris@16:         bool no_codecvt
Chris@16:     );
Chris@16:     BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY()) 
Chris@16:     ~basic_binary_iprimitive();
Chris@16: public:
Chris@16:     // we provide an optimized load for all fundamental types
Chris@16:     // typedef serialization::is_bitwise_serializable<mpl::_1> 
Chris@16:     // use_array_optimization;
Chris@16:     struct use_array_optimization {  
Chris@16:         template <class T>  
Chris@16:         #if defined(BOOST_NO_DEPENDENT_NESTED_DERIVATIONS)  
Chris@16:             struct apply {  
Chris@101:                 typedef typename boost::serialization::is_bitwise_serializable< T >::type type;  
Chris@16:             };
Chris@16:         #else
Chris@16:             struct apply : public boost::serialization::is_bitwise_serializable< T > {};  
Chris@16:         #endif
Chris@16:     };
Chris@16: 
Chris@16:     // the optimized load_array dispatches to load_binary 
Chris@16:     template <class ValueType>
Chris@16:     void load_array(serialization::array<ValueType>& a, unsigned int)
Chris@16:     {
Chris@16:       load_binary(a.address(),a.count()*sizeof(ValueType));
Chris@16:     }
Chris@16: 
Chris@16:     void
Chris@16:     load_binary(void *address, std::size_t count);
Chris@16: };
Chris@16: 
Chris@16: template<class Archive, class Elem, class Tr>
Chris@16: inline void
Chris@16: basic_binary_iprimitive<Archive, Elem, Tr>::load_binary(
Chris@16:     void *address, 
Chris@16:     std::size_t count
Chris@16: ){
Chris@16:     // note: an optimizer should eliminate the following for char files
Chris@16:     BOOST_ASSERT(
Chris@16:         static_cast<std::streamsize>(count / sizeof(Elem)) 
Chris@16:         <= boost::integer_traits<std::streamsize>::const_max
Chris@16:     );
Chris@16:     std::streamsize s = static_cast<std::streamsize>(count / sizeof(Elem));
Chris@16:     std::streamsize scount = m_sb.sgetn(
Chris@16:         static_cast<Elem *>(address), 
Chris@16:         s
Chris@16:     );
Chris@16:     if(scount != s)
Chris@16:         boost::serialization::throw_exception(
Chris@16:             archive_exception(archive_exception::input_stream_error)
Chris@16:         );
Chris@16:     // note: an optimizer should eliminate the following for char files
Chris@16:     BOOST_ASSERT(count % sizeof(Elem) <= boost::integer_traits<std::streamsize>::const_max);
Chris@16:     s = static_cast<std::streamsize>(count % sizeof(Elem));
Chris@16:     if(0 < s){
Chris@16: //        if(is.fail())
Chris@16: //            boost::serialization::throw_exception(
Chris@16: //                archive_exception(archive_exception::stream_error)
Chris@16: //        );
Chris@16:         Elem t;
Chris@16:         scount = m_sb.sgetn(& t, 1);
Chris@16:         if(scount != 1)
Chris@16:             boost::serialization::throw_exception(
Chris@16:                 archive_exception(archive_exception::input_stream_error)
Chris@16:             );
Chris@101:         std::memcpy(static_cast<char*>(address) + (count - s), &t, static_cast<std::size_t>(s));
Chris@16:     }
Chris@16: }
Chris@16: 
Chris@16: } // namespace archive
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #include <boost/archive/detail/abi_suffix.hpp> // pop pragmas
Chris@16: 
Chris@16: #endif // BOOST_ARCHIVE_BINARY_IPRIMITIVE_HPP