| #ifndef BOOST_ARCHIVE_CODECVT_NULL_HPP |
| #define BOOST_ARCHIVE_CODECVT_NULL_HPP |
| |
| // MS compatible compilers support #pragma once |
| #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
| # 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) |
| {} |
| }; |
| |
| template<> |
| class 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(); |
| } |
| }; |
| |
| } // 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 |