199 lines
6.5 KiB
Plaintext
199 lines
6.5 KiB
Plaintext
#ifndef BOOST_ARCHIVE_BINARY_IPRIMITIVE_HPP
|
|
#define BOOST_ARCHIVE_BINARY_IPRIMITIVE_HPP
|
|
|
|
// MS compatible compilers support #pragma once
|
|
#if defined(_MSC_VER)
|
|
# pragma once
|
|
#endif
|
|
|
|
#if defined(_MSC_VER)
|
|
#pragma warning( disable : 4800 )
|
|
#endif
|
|
|
|
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
|
|
// basic_binary_iprimitive.hpp
|
|
//
|
|
// archives stored as native binary - this should be the fastest way
|
|
// to archive the state of a group of obects. It makes no attempt to
|
|
// convert to any canonical form.
|
|
|
|
// IN GENERAL, ARCHIVES CREATED WITH THIS CLASS WILL NOT BE READABLE
|
|
// ON PLATFORM APART FROM THE ONE THEY ARE CREATED ON
|
|
|
|
// (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 <iosfwd>
|
|
#include <boost/assert.hpp>
|
|
#include <locale>
|
|
#include <cstring> // std::memcpy
|
|
#include <cstddef> // std::size_t
|
|
#include <streambuf> // basic_streambuf
|
|
#include <string>
|
|
|
|
#include <boost/config.hpp>
|
|
#if defined(BOOST_NO_STDC_NAMESPACE)
|
|
namespace std{
|
|
using ::memcpy;
|
|
using ::size_t;
|
|
} // namespace std
|
|
#endif
|
|
|
|
#include <boost/cstdint.hpp>
|
|
#include <boost/serialization/throw_exception.hpp>
|
|
#include <boost/integer.hpp>
|
|
#include <boost/integer_traits.hpp>
|
|
|
|
//#include <boost/mpl/placeholders.hpp>
|
|
#include <boost/serialization/is_bitwise_serializable.hpp>
|
|
#include <boost/serialization/array.hpp>
|
|
|
|
#include <boost/archive/basic_streambuf_locale_saver.hpp>
|
|
#include <boost/archive/codecvt_null.hpp>
|
|
#include <boost/archive/archive_exception.hpp>
|
|
#include <boost/archive/detail/auto_link_archive.hpp>
|
|
#include <boost/archive/detail/abi_prefix.hpp> // must be the last header
|
|
|
|
namespace boost {
|
|
namespace archive {
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// class binary_iarchive - read serialized objects from a input binary stream
|
|
template<class Archive, class Elem, class Tr>
|
|
class BOOST_SYMBOL_VISIBLE basic_binary_iprimitive {
|
|
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
|
|
friend class load_access;
|
|
protected:
|
|
#else
|
|
public:
|
|
#endif
|
|
std::basic_streambuf<Elem, Tr> & m_sb;
|
|
// return a pointer to the most derived class
|
|
Archive * This(){
|
|
return static_cast<Archive *>(this);
|
|
}
|
|
|
|
#ifndef BOOST_NO_STD_LOCALE
|
|
// note order! - if you change this, libstd++ will fail!
|
|
// a) create new locale with new codecvt facet
|
|
// b) save current locale
|
|
// c) change locale to new one
|
|
// d) use stream buffer
|
|
// e) change locale back to original
|
|
// f) destroy new codecvt facet
|
|
boost::archive::codecvt_null<Elem> codecvt_null_facet;
|
|
basic_streambuf_locale_saver<Elem, Tr> locale_saver;
|
|
std::locale archive_locale;
|
|
#endif
|
|
|
|
// main template for serilization of primitive types
|
|
template<class T>
|
|
void load(T & t){
|
|
load_binary(& t, sizeof(T));
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////
|
|
// fundamental types that need special treatment
|
|
|
|
// trap usage of invalid uninitialized boolean
|
|
void load(bool & t){
|
|
load_binary(& t, sizeof(t));
|
|
int i = t;
|
|
BOOST_ASSERT(0 == i || 1 == i);
|
|
(void)i; // warning suppression for release builds.
|
|
}
|
|
BOOST_ARCHIVE_OR_WARCHIVE_DECL void
|
|
load(std::string &s);
|
|
#ifndef BOOST_NO_STD_WSTRING
|
|
BOOST_ARCHIVE_OR_WARCHIVE_DECL void
|
|
load(std::wstring &ws);
|
|
#endif
|
|
BOOST_ARCHIVE_OR_WARCHIVE_DECL void
|
|
load(char * t);
|
|
BOOST_ARCHIVE_OR_WARCHIVE_DECL void
|
|
load(wchar_t * t);
|
|
|
|
BOOST_ARCHIVE_OR_WARCHIVE_DECL void
|
|
init();
|
|
BOOST_ARCHIVE_OR_WARCHIVE_DECL
|
|
basic_binary_iprimitive(
|
|
std::basic_streambuf<Elem, Tr> & sb,
|
|
bool no_codecvt
|
|
);
|
|
BOOST_ARCHIVE_OR_WARCHIVE_DECL
|
|
~basic_binary_iprimitive();
|
|
public:
|
|
// we provide an optimized load for all fundamental types
|
|
// typedef serialization::is_bitwise_serializable<mpl::_1>
|
|
// use_array_optimization;
|
|
struct use_array_optimization {
|
|
template <class T>
|
|
#if defined(BOOST_NO_DEPENDENT_NESTED_DERIVATIONS)
|
|
struct apply {
|
|
typedef typename boost::serialization::is_bitwise_serializable< T >::type type;
|
|
};
|
|
#else
|
|
struct apply : public boost::serialization::is_bitwise_serializable< T > {};
|
|
#endif
|
|
};
|
|
|
|
// the optimized load_array dispatches to load_binary
|
|
template <class ValueType>
|
|
void load_array(serialization::array_wrapper<ValueType>& a, unsigned int)
|
|
{
|
|
load_binary(a.address(),a.count()*sizeof(ValueType));
|
|
}
|
|
|
|
void
|
|
load_binary(void *address, std::size_t count);
|
|
};
|
|
|
|
template<class Archive, class Elem, class Tr>
|
|
inline void
|
|
basic_binary_iprimitive<Archive, Elem, Tr>::load_binary(
|
|
void *address,
|
|
std::size_t count
|
|
){
|
|
// note: an optimizer should eliminate the following for char files
|
|
BOOST_ASSERT(
|
|
static_cast<std::streamsize>(count / sizeof(Elem))
|
|
<= boost::integer_traits<std::streamsize>::const_max
|
|
);
|
|
std::streamsize s = static_cast<std::streamsize>(count / sizeof(Elem));
|
|
std::streamsize scount = m_sb.sgetn(
|
|
static_cast<Elem *>(address),
|
|
s
|
|
);
|
|
if(scount != s)
|
|
boost::serialization::throw_exception(
|
|
archive_exception(archive_exception::input_stream_error)
|
|
);
|
|
// note: an optimizer should eliminate the following for char files
|
|
BOOST_ASSERT(count % sizeof(Elem) <= boost::integer_traits<std::streamsize>::const_max);
|
|
s = static_cast<std::streamsize>(count % sizeof(Elem));
|
|
if(0 < s){
|
|
// if(is.fail())
|
|
// boost::serialization::throw_exception(
|
|
// archive_exception(archive_exception::stream_error)
|
|
// );
|
|
Elem t;
|
|
scount = m_sb.sgetn(& t, 1);
|
|
if(scount != 1)
|
|
boost::serialization::throw_exception(
|
|
archive_exception(archive_exception::input_stream_error)
|
|
);
|
|
std::memcpy(static_cast<char*>(address) + (count - s), &t, static_cast<std::size_t>(s));
|
|
}
|
|
}
|
|
|
|
} // namespace archive
|
|
} // namespace boost
|
|
|
|
#include <boost/archive/detail/abi_suffix.hpp> // pop pragmas
|
|
|
|
#endif // BOOST_ARCHIVE_BINARY_IPRIMITIVE_HPP
|