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107 lines
3.1 KiB
C++
107 lines
3.1 KiB
C++
#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)
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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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virtual ~codecvt_null(){};
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};
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template<>
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class BOOST_SYMBOL_VISIBLE 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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public:
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explicit codecvt_null(std::size_t no_locale_manage = 0) :
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std::codecvt<wchar_t, char, std::mbstate_t>(no_locale_manage)
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{}
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virtual ~codecvt_null(){};
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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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