boost/iostreams/detail/ios.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_IOS_HPP_INCLUDED
   9 #define BOOST_IOSTREAMS_DETAIL_IOS_HPP_INCLUDED
  10
  11 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
  12 # pragma once
  13 #endif
  14
  15 #include <boost/config.hpp> // BOOST_MSVC.
  16 #include <boost/detail/workaround.hpp>
  17 #include <boost/iostreams/detail/config/wide_streams.hpp>
  18 #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES
  19 # if !BOOST_WORKAROUND(__MWERKS__, <= 0x3003)
  20 #  include <ios>
  21 # else
  22 #  include <istream>
  23 #  include <ostream>
  24 # endif
  25 #else
  26 # include <exception>
  27 # include <iosfwd>
  28 #endif
  29
  30 namespace boost { namespace iostreams { namespace detail {
  31
  32 #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES //--------------------------------//
  33 # define BOOST_IOSTREAMS_BASIC_IOS(ch, tr)  std::basic_ios< ch, tr >
  34 # if !BOOST_WORKAROUND(__MWERKS__, <= 0x3003) && \
  35      !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && \
  36      !BOOST_WORKAROUND(BOOST_MSVC, < 1300) \
  37      /**/
  38
  39 #define BOOST_IOS                std::ios
  40 #define BOOST_IOSTREAMS_FAILURE  std::ios::failure
  41
  42 # else
  43
  44 #define BOOST_IOS                std::ios_base
  45 #define BOOST_IOSTREAMS_FAILURE  std::ios_base::failure
  46
  47 # endif
  48 #else // #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES //-----------------------//
  49
  50 #define BOOST_IOS                          std::ios
  51 #define BOOST_IOSTREAMS_BASIC_IOS(ch, tr)  std::ios
  52 #define BOOST_IOSTREAMS_FAILURE            boost::iostreams::detail::failure
  53
  54 class failure : std::exception {
  55 public:
  56     explicit failure(const std::string& what_arg) : what_(what_arg) { }
  57     const char* what() const { return what_.c_str(); }
  58 private:
  59     std::string what_;
  60 };
  61
  62 #endif // #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES //----------------------//
  63
  64 } } } // End namespace failure, iostreams, boost.
  65
  66 #endif // #ifndef BOOST_IOSTREAMS_DETAIL_IOS_HPP_INCLUDED