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