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100 lines
2.8 KiB
100 lines
2.8 KiB
#ifndef BOOST_ARCHIVE_CODECVT_NULL_HPP |
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#define BOOST_ARCHIVE_CODECVT_NULL_HPP |
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// MS compatible compilers support #pragma once |
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#if defined(_MSC_VER) && (_MSC_VER >= 1020) |
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# pragma once |
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#endif |
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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// codecvt_null.hpp: |
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// (C) Copyright 2004 Robert Ramey - http://www.rrsd.com . |
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// Use, modification and distribution is subject to the Boost Software |
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// See http://www.boost.org for updates, documentation, and revision history. |
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#include <locale> |
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#include <cstddef> // NULL, size_t |
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#include <cwchar> // for mbstate_t |
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#include <boost/config.hpp> |
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#include <boost/archive/detail/auto_link_archive.hpp> |
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#include <boost/archive/detail/abi_prefix.hpp> // must be the last header |
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#if defined(BOOST_NO_STDC_NAMESPACE) |
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namespace std { |
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// For STLport on WinCE, BOOST_NO_STDC_NAMESPACE can get defined if STLport is putting symbols in its own namespace. |
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// In the case of codecvt, however, this does not mean that codecvt is in the global namespace (it will be in STLport's namespace) |
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# if !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION) |
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using ::codecvt; |
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# endif |
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using ::mbstate_t; |
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using ::size_t; |
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} // namespace |
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#endif |
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#ifdef BOOST_MSVC |
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# pragma warning(push) |
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# pragma warning(disable : 4511 4512) |
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#endif |
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namespace boost { |
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namespace archive { |
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template<class Ch> |
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class codecvt_null; |
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template<> |
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class codecvt_null<char> : public std::codecvt<char, char, std::mbstate_t> |
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{ |
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virtual bool do_always_noconv() const throw() { |
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return true; |
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} |
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public: |
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explicit codecvt_null(std::size_t no_locale_manage = 0) : |
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std::codecvt<char, char, std::mbstate_t>(no_locale_manage) |
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{} |
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}; |
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template<> |
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class codecvt_null<wchar_t> : public std::codecvt<wchar_t, char, std::mbstate_t> |
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{ |
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virtual BOOST_WARCHIVE_DECL(std::codecvt_base::result) |
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do_out( |
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std::mbstate_t & state, |
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const wchar_t * first1, |
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const wchar_t * last1, |
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const wchar_t * & next1, |
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char * first2, |
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char * last2, |
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char * & next2 |
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) const; |
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virtual BOOST_WARCHIVE_DECL(std::codecvt_base::result) |
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do_in( |
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std::mbstate_t & state, |
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const char * first1, |
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const char * last1, |
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const char * & next1, |
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wchar_t * first2, |
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wchar_t * last2, |
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wchar_t * & next2 |
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) const; |
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virtual int do_encoding( ) const throw( ){ |
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return sizeof(wchar_t) / sizeof(char); |
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} |
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virtual int do_max_length( ) const throw( ){ |
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return do_encoding(); |
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} |
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}; |
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} // namespace archive |
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} // namespace boost |
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#ifdef BOOST_MSVC |
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# pragma warning(pop) |
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#endif |
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#include <boost/archive/detail/abi_suffix.hpp> // pop pragmas |
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#endif //BOOST_ARCHIVE_CODECVT_NULL_HPP
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