boost/iostreams/detail/config/codecvt.hpp

   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) && (_MSC_VER >= 1020)
  17 # pragma once
  18 #endif
  19
  20 //------------------Support for codecvt with user-defined state types---------//
  21
  22 #if defined(__MSL_CPP__) || defined(__LIBCOMO__) || \
  23     BOOST_WORKAROUND(_STLPORT_VERSION, <= 0x450) \
  24     /**/
  25 # define BOOST_IOSTREAMS_NO_PRIMARY_CODECVT_DEFINITION
  26 #endif
  27
  28 #if defined(__GLIBCPP__) || defined(__GLIBCXX__) || \
  29     BOOST_WORKAROUND(_STLPORT_VERSION, > 0x450) \
  30     /**/
  31 # define BOOST_IOSTREAMS_EMPTY_PRIMARY_CODECVT_DEFINITION
  32 #endif
  33
  34 //------------------Check for codecvt ctor taking a reference count-----------//
  35
  36 #if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3205)) || \
  37     BOOST_WORKAROUND(_STLPORT_VERSION, < 0x461) \
  38     /**/
  39 # define BOOST_IOSTREAMS_NO_CODECVT_CTOR_FROM_SIZE_T
  40 #endif
  41
  42 //------------------Normalize codecvt::length---------------------------------//
  43
  44 #if !defined(__MSL_CPP__) && !defined(__LIBCOMO__) && \
  45     (!defined(BOOST_RWSTD_VER) || BOOST_RWSTD_VER < 0x04010300) && \
  46     (!defined(__MACH__) || !defined(__INTEL_COMPILER))
  47     /**/
  48 # define BOOST_IOSTREAMS_CODECVT_CV_QUALIFIER const
  49 #else
  50 # define BOOST_IOSTREAMS_CODECVT_CV_QUALIFIER
  51 #endif
  52
  53 //------------------Check for codecvt::max_length-----------------------------//
  54
  55 #if BOOST_WORKAROUND(_STLPORT_VERSION, < 0x461)
  56 # define BOOST_IOSTREAMS_NO_CODECVT_MAX_LENGTH
  57 #endif
  58
  59 //------------------Put mbstate_t and codecvt in std--------------------------//
  60
  61 #ifndef BOOST_IOSTREAMS_NO_LOCALE
  62 # include <locale>
  63 #endif
  64
  65 // From Robert Ramey's version of utf8_codecvt_facet.
  66 namespace std {
  67
  68 #if defined(__LIBCOMO__)
  69     using ::mbstate_t;
  70 #elif defined(BOOST_DINKUMWARE_STDLIB) && !defined(__BORLANDC__)
  71     using ::mbstate_t;
  72 #elif defined(__SGI_STL_PORT)
  73 #elif defined(BOOST_NO_STDC_NAMESPACE)
  74     using ::codecvt;
  75     using ::mbstate_t;
  76 #endif
  77
  78 } // End namespace std.
  79
  80 #endif // #ifndef BOOST_IOSTREAMS_DETAIL_CONFIG_CODECVT_HPP_INCLUDED