1#ifndef BOOST_ARCHIVE_CODECVT_NULL_HPP
2#define BOOST_ARCHIVE_CODECVT_NULL_HPP
3
4// MS compatible compilers support #pragma once
5#if defined(_MSC_VER)
6# pragma once
7#endif
8
9/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
10// codecvt_null.hpp:
11
12// (C) Copyright 2004 Robert Ramey - http://www.rrsd.com .
13// Use, modification and distribution is subject to the Boost Software
14// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
15// http://www.boost.org/LICENSE_1_0.txt)
16
17// See http://www.boost.org for updates, documentation, and revision history.
18
19#include <locale>
20#include <cstddef> // NULL, size_t
21#ifndef BOOST_NO_CWCHAR
22#include <cwchar> // for mbstate_t
23#endif
24#include <boost/config.hpp>
25#include <boost/serialization/force_include.hpp>
26#include <boost/archive/detail/auto_link_archive.hpp>
27//#include <boost/archive/detail/abi_prefix.hpp> // must be the last header
28
29#if defined(BOOST_NO_STDC_NAMESPACE)
30namespace std {
31// For STLport on WinCE, BOOST_NO_STDC_NAMESPACE can get defined if STLport is putting symbols in its own namespace.
32// In the case of codecvt, however, this does not mean that codecvt is in the global namespace (it will be in STLport's namespace)
33# if !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
34 using ::codecvt;
35# endif
36 using ::mbstate_t;
37 using ::size_t;
38} // namespace
39#endif
40
41#ifdef BOOST_MSVC
42# pragma warning(push)
43# pragma warning(disable : 4511 4512)
44#endif
45
46namespace boost {
47namespace archive {
48
49template<class Ch>
50class codecvt_null;
51
52template<>
53class codecvt_null<char> : public std::codecvt<char, char, std::mbstate_t>
54{
55 bool do_always_noconv() const throw() BOOST_OVERRIDE {
56 return true;
57 }
58public:
59 explicit codecvt_null(std::size_t no_locale_manage = 0) :
60 std::codecvt<char, char, std::mbstate_t>(no_locale_manage)
61 {}
62 ~codecvt_null() BOOST_OVERRIDE {}
63};
64
65template<>
66class BOOST_SYMBOL_VISIBLE codecvt_null<wchar_t> :
67 public std::codecvt<wchar_t, char, std::mbstate_t>
68{
69 BOOST_SYMBOL_EXPORT std::codecvt_base::result
70 do_out(
71 std::mbstate_t & state,
72 const wchar_t * first1,
73 const wchar_t * last1,
74 const wchar_t * & next1,
75 char * first2,
76 char * last2,
77 char * & next2
78 ) const BOOST_OVERRIDE;
79
80 BOOST_SYMBOL_EXPORT std::codecvt_base::result
81 do_in(
82 std::mbstate_t & state,
83 const char * first1,
84 const char * last1,
85 const char * & next1,
86 wchar_t * first2,
87 wchar_t * last2,
88 wchar_t * & next2
89 ) const BOOST_OVERRIDE;
90
91 BOOST_SYMBOL_EXPORT int do_encoding( ) const throw( ) BOOST_OVERRIDE {
92 return sizeof(wchar_t) / sizeof(char);
93 }
94
95 BOOST_SYMBOL_EXPORT bool do_always_noconv() const throw() BOOST_OVERRIDE {
96 return false;
97 }
98
99 BOOST_SYMBOL_EXPORT int do_max_length( ) const throw( ) BOOST_OVERRIDE {
100 return do_encoding();
101 }
102public:
103 BOOST_SYMBOL_EXPORT explicit codecvt_null(std::size_t no_locale_manage = 0);
104
105 BOOST_SYMBOL_EXPORT ~codecvt_null() BOOST_OVERRIDE ;
106};
107
108} // namespace archive
109} // namespace boost
110
111#ifdef BOOST_MSVC
112# pragma warning(pop)
113#endif
114//#include <boost/archive/detail/abi_suffix.hpp> // pop pragmas
115
116#endif //BOOST_ARCHIVE_CODECVT_NULL_HPP
117