iostreams/detail/ios.hpp

0001 // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
0002 // (C) Copyright 2003-2007 Jonathan Turkanis
0003 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0004 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
0005
0006 // See http://www.boost.org/libs/iostreams for documentation.
0007
0008 #ifndef BOOST_IOSTREAMS_DETAIL_IOS_HPP_INCLUDED
0009 #define BOOST_IOSTREAMS_DETAIL_IOS_HPP_INCLUDED
0010
0011 #if defined(_MSC_VER)
0012 # pragma once
0013 #endif
0014
0015 #include <boost/config.hpp> // BOOST_MSVC.
0016 #include <boost/detail/workaround.hpp>
0017 #include <boost/iostreams/detail/config/wide_streams.hpp>
0018 #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES
0019 # if !BOOST_WORKAROUND(__MWERKS__, <= 0x3003)
0020 #  include <ios>
0021 # else
0022 #  include <istream>
0023 #  include <ostream>
0024 # endif
0025 #else
0026 # include <exception>
0027 # include <iosfwd>
0028 #endif
0029
0030 namespace boost { namespace iostreams { namespace detail {
0031
0032 #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES //--------------------------------//
0033 # define BOOST_IOSTREAMS_BASIC_IOS(ch, tr)  std::basic_ios< ch, tr >
0034 # if !BOOST_WORKAROUND(__MWERKS__, <= 0x3003) && \
0035      !BOOST_WORKAROUND(BOOST_BORLANDC, < 0x600) \
0036      /**/
0037
0038 #define BOOST_IOS                std::ios
0039 #define BOOST_IOSTREAMS_FAILURE  std::ios::failure
0040
0041 # else
0042
0043 #define BOOST_IOS                std::ios_base
0044 #define BOOST_IOSTREAMS_FAILURE  std::ios_base::failure
0045
0046 # endif
0047 #else // #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES //-----------------------//
0048
0049 #define BOOST_IOS                          std::ios
0050 #define BOOST_IOSTREAMS_BASIC_IOS(ch, tr)  std::ios
0051 #define BOOST_IOSTREAMS_FAILURE            boost::iostreams::detail::failure
0052
0053 class failure : std::exception {
0054 public:
0055     explicit failure(const std::string& what_arg) : what_(what_arg) { }
0056     const char* what() const { return what_.c_str(); }
0057 private:
0058     std::string what_;
0059 };
0060
0061 #endif // #ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES //----------------------//
0062
0063 } } } // End namespace failure, iostreams, boost.
0064
0065 #endif // #ifndef BOOST_IOSTREAMS_DETAIL_IOS_HPP_INCLUDED