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
67