Chris@16: #ifndef BOOST_ARCHIVE_CODECVT_NULL_HPP
Chris@16: #define BOOST_ARCHIVE_CODECVT_NULL_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: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
Chris@16: // codecvt_null.hpp:
Chris@16: 
Chris@16: // (C) Copyright 2004 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 <locale>
Chris@16: #include <cstddef> // NULL, size_t
Chris@16: #include <cwchar>   // for mbstate_t
Chris@16: #include <boost/config.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: #if defined(BOOST_NO_STDC_NAMESPACE)
Chris@16: namespace std {
Chris@16: // For STLport on WinCE, BOOST_NO_STDC_NAMESPACE can get defined if STLport is putting symbols in its own namespace.
Chris@16: // In the case of codecvt, however, this does not mean that codecvt is in the global namespace (it will be in STLport's namespace)
Chris@16: #  if !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
Chris@16:     using ::codecvt;
Chris@16: #  endif
Chris@16:     using ::mbstate_t;
Chris@16:     using ::size_t;
Chris@16: } // namespace
Chris@16: #endif
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #  pragma warning(push)
Chris@16: #  pragma warning(disable : 4511 4512)
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace archive {
Chris@16: 
Chris@16: template<class Ch>
Chris@16: class codecvt_null;
Chris@16: 
Chris@16: template<>
Chris@16: class codecvt_null<char> : public std::codecvt<char, char, std::mbstate_t>
Chris@16: {
Chris@16:     virtual bool do_always_noconv() const throw() {
Chris@16:         return true;
Chris@16:     }
Chris@16: public:
Chris@16:     explicit codecvt_null(std::size_t no_locale_manage = 0) :
Chris@16:         std::codecvt<char, char, std::mbstate_t>(no_locale_manage)
Chris@16:     {}
Chris@16: };
Chris@16: 
Chris@16: template<>
Chris@16: class codecvt_null<wchar_t> : public std::codecvt<wchar_t, char, std::mbstate_t>
Chris@16: {
Chris@16:     virtual BOOST_WARCHIVE_DECL(std::codecvt_base::result)
Chris@16:     do_out(
Chris@16:         std::mbstate_t & state,
Chris@16:         const wchar_t * first1,
Chris@16:         const wchar_t * last1,
Chris@16:         const wchar_t * & next1,
Chris@16:         char * first2,
Chris@16:         char * last2,
Chris@16:         char * & next2
Chris@16:     ) const;
Chris@16:     virtual BOOST_WARCHIVE_DECL(std::codecvt_base::result)
Chris@16:     do_in(
Chris@16:         std::mbstate_t & state,
Chris@16:         const char * first1,
Chris@16:         const char * last1,
Chris@16:         const char * & next1,
Chris@16:         wchar_t * first2,
Chris@16:         wchar_t * last2,
Chris@16:         wchar_t * & next2
Chris@16:     ) const;
Chris@16:     virtual int do_encoding( ) const throw( ){
Chris@16:         return sizeof(wchar_t) / sizeof(char);
Chris@16:     }
Chris@16:     virtual int do_max_length( ) const throw( ){
Chris@16:         return do_encoding();
Chris@16:     }
Chris@101: public:
Chris@101:     explicit codecvt_null(std::size_t no_locale_manage = 0) :
Chris@101:         std::codecvt<wchar_t, char, std::mbstate_t>(no_locale_manage)
Chris@101:     {}
Chris@16: };
Chris@16: 
Chris@16: } // namespace archive
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #ifdef BOOST_MSVC
Chris@16: #  pragma warning(pop)
Chris@16: #endif
Chris@16: #include <boost/archive/detail/abi_suffix.hpp> // pop pragmas
Chris@16: 
Chris@16: #endif //BOOST_ARCHIVE_CODECVT_NULL_HPP