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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// basic_binary_oprimitive.ipp:
// (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 <cstddef> // NULL
#include <cstring>
#include <boost/config.hpp>
#if defined(BOOST_NO_STDC_NAMESPACE) && ! defined(__LIBCOMO__)
namespace std{
using ::strlen;
} // namespace std
#endif
#ifndef BOOST_NO_CWCHAR
#include <cwchar>
#ifdef BOOST_NO_STDC_NAMESPACE
namespace std{ using ::wcslen; }
#endif
#endif
#include <boost/detail/workaround.hpp>
#include <boost/archive/add_facet.hpp>
#include <boost/archive/codecvt_null.hpp>
namespace boost {
namespace archive {
//////////////////////////////////////////////////////////////////////
// implementation of basic_binary_oprimitive
template<class Archive, class Elem, class Tr>
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
basic_binary_oprimitive<Archive, Elem, Tr>::init()
{
// record native sizes of fundamental types
// this is to permit detection of attempts to pass
// native binary archives accross incompatible machines.
// This is not foolproof but its better than nothing.
this->This()->save(static_cast<unsigned char>(sizeof(int)));
this->This()->save(static_cast<unsigned char>(sizeof(long)));
this->This()->save(static_cast<unsigned char>(sizeof(float)));
this->This()->save(static_cast<unsigned char>(sizeof(double)));
// for checking endianness
this->This()->save(int(1));
}
template<class Archive, class Elem, class Tr>
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
basic_binary_oprimitive<Archive, Elem, Tr>::save(const char * s)
{
std::size_t l = std::strlen(s);
this->This()->save(l);
save_binary(s, l);
}
template<class Archive, class Elem, class Tr>
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
basic_binary_oprimitive<Archive, Elem, Tr>::save(const std::string &s)
{
std::size_t l = static_cast<std::size_t>(s.size());
this->This()->save(l);
save_binary(s.data(), l);
}
#ifndef BOOST_NO_CWCHAR
template<class Archive, class Elem, class Tr>
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
basic_binary_oprimitive<Archive, Elem, Tr>::save(const wchar_t * ws)
{
std::size_t l = std::wcslen(ws);
this->This()->save(l);
save_binary(ws, l * sizeof(wchar_t) / sizeof(char));
}
#endif
#ifndef BOOST_NO_STD_WSTRING
template<class Archive, class Elem, class Tr>
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
basic_binary_oprimitive<Archive, Elem, Tr>::save(const std::wstring &ws)
{
std::size_t l = ws.size();
this->This()->save(l);
save_binary(ws.data(), l * sizeof(wchar_t) / sizeof(char));
}
#endif
template<class Archive, class Elem, class Tr>
BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
basic_binary_oprimitive<Archive, Elem, Tr>::basic_binary_oprimitive(
std::basic_streambuf<Elem, Tr> & sb,
bool no_codecvt
) :
#ifndef BOOST_NO_STD_LOCALE
m_sb(sb),
archive_locale(NULL),
locale_saver(m_sb)
{
if(! no_codecvt){
archive_locale.reset(
add_facet(
std::locale::classic(),
new codecvt_null<Elem>
)
);
m_sb.pubimbue(* archive_locale);
}
}
#else
m_sb(sb)
{}
#endif
// some libraries including stl and libcomo fail if the
// buffer isn't flushed before the code_cvt facet is changed.
// I think this is a bug. We explicity invoke sync to when
// we're done with the streambuf to work around this problem.
// Note that sync is a protected member of stream buff so we
// have to invoke it through a contrived derived class.
namespace detail {
// note: use "using" to get past msvc bug
using namespace std;
template<class Elem, class Tr>
class output_streambuf_access : public std::basic_streambuf<Elem, Tr> {
public:
virtual int sync(){
#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3206))
return this->basic_streambuf::sync();
#else
return this->basic_streambuf<Elem, Tr>::sync();
#endif
}
};
} // detail
// scoped_ptr requires that g be a complete type at time of
// destruction so define destructor here rather than in the header
template<class Archive, class Elem, class Tr>
BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
basic_binary_oprimitive<Archive, Elem, Tr>::~basic_binary_oprimitive(){
// flush buffer
//destructor can't throw
try{
static_cast<detail::output_streambuf_access<Elem, Tr> &>(m_sb).sync();
}
catch(...){
}
}
} // namespace archive
} // namespace boost
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