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1// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
2// (C) Copyright 2003-2007 Jonathan Turkanis
3// Distributed under the Boost Software License, Version 1.0. (See accompanying
4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
5
6// See http://www.boost.org/libs/iostreams for documentation.
7
8#ifndef BOOST_IOSTREAMS_DETAIL_CONFIG_CODECVT_HPP_INCLUDED
9#define BOOST_IOSTREAMS_DETAIL_CONFIG_CODECVT_HPP_INCLUDED
10
11#include <boost/config.hpp>
12#include <boost/detail/workaround.hpp>
13#include <boost/iostreams/detail/config/wide_streams.hpp>
14#include <cstddef>
15
16#if defined(_MSC_VER)
17# pragma once
18#endif
19
20//------------------Support for codecvt with user-defined state types---------//
21
22#if defined(__MSL_CPP__) || defined(__LIBCOMO__) || \
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23 BOOST_WORKAROUND(_STLPORT_VERSION, <= 0x450) || \
24 defined(_LIBCPP_VERSION) \
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25 /**/
26# define BOOST_IOSTREAMS_NO_PRIMARY_CODECVT_DEFINITION
27#endif
28
29#if defined(__GLIBCPP__) || defined(__GLIBCXX__) || \
30 BOOST_WORKAROUND(_STLPORT_VERSION, > 0x450) \
31 /**/
32# define BOOST_IOSTREAMS_EMPTY_PRIMARY_CODECVT_DEFINITION
33#endif
34
35//------------------Check for codecvt ctor taking a reference count-----------//
36
37#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3205)) || \
38 BOOST_WORKAROUND(_STLPORT_VERSION, < 0x461) \
39 /**/
40# define BOOST_IOSTREAMS_NO_CODECVT_CTOR_FROM_SIZE_T
41#endif
42
43//------------------Normalize codecvt::length---------------------------------//
44
92f5a8d4 45#if !defined(__MSL_CPP__) && !defined(__LIBCOMO__) && !defined(__clang__) && \
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46 (!defined(BOOST_RWSTD_VER) || BOOST_RWSTD_VER < 0x04010300) && \
47 (!defined(__MACH__) || !defined(__INTEL_COMPILER))
48 /**/
49# define BOOST_IOSTREAMS_CODECVT_CV_QUALIFIER const
50#else
51# define BOOST_IOSTREAMS_CODECVT_CV_QUALIFIER
52#endif
53
54//------------------Check for codecvt::max_length-----------------------------//
55
56#if BOOST_WORKAROUND(_STLPORT_VERSION, < 0x461)
57# define BOOST_IOSTREAMS_NO_CODECVT_MAX_LENGTH
58#endif
59
60//------------------Put mbstate_t and codecvt in std--------------------------//
61
62#ifndef BOOST_IOSTREAMS_NO_LOCALE
63# include <locale>
64#endif
65
66// From Robert Ramey's version of utf8_codecvt_facet.
67namespace std {
68
69#if defined(__LIBCOMO__)
70 using ::mbstate_t;
71#elif defined(BOOST_DINKUMWARE_STDLIB) && !defined(__BORLANDC__)
72 using ::mbstate_t;
73#elif defined(__SGI_STL_PORT)
74#elif defined(BOOST_NO_STDC_NAMESPACE)
75 using ::codecvt;
76 using ::mbstate_t;
77#endif
78
79} // End namespace std.
80
81#endif // #ifndef BOOST_IOSTREAMS_DETAIL_CONFIG_CODECVT_HPP_INCLUDED