Chris@16: // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
Chris@16: // (C) Copyright 2003-2007 Jonathan Turkanis
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
Chris@16: 
Chris@16: // See http://www.boost.org/libs/iostreams for documentation.
Chris@16: 
Chris@16: #ifndef BOOST_IOSTREAMS_CHAR_TRAITS_HPP_INCLUDED
Chris@16: #define BOOST_IOSTREAMS_CHAR_TRAITS_HPP_INCLUDED
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
Chris@16: # pragma once
Chris@16: #endif 
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: #include <cstddef>
Chris@16: #include <cstdio>  // EOF.
Chris@16: #include <string>  // std::char_traits.
Chris@16: #include <boost/iostreams/detail/char_traits.hpp>
Chris@16: #include <boost/iostreams/detail/config/wide_streams.hpp>
Chris@16: #ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS
Chris@16: # include <cwchar>
Chris@16: #endif
Chris@16: 
Chris@16: #ifdef BOOST_NO_STDC_NAMESPACE
Chris@16: namespace std { using ::wint_t; }
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost { namespace iostreams {
Chris@16: 
Chris@16: // Dinkumware that comes with QNX Momentics 6.3.0, 4.0.2, incorrectly defines
Chris@16: // the EOF and WEOF macros to not std:: qualify the wint_t type (and so does
Chris@16: // Sun C++ 5.8 + STLport 4). Fix by placing the def in this scope.
Chris@16: // NOTE: Use BOOST_WORKAROUND?
Chris@16: #if (defined(__QNX__) && defined(BOOST_DINKUMWARE_STDLIB))  \
Chris@16:     || defined(__SUNPRO_CC)
Chris@16: using ::std::wint_t;
Chris@16: #endif
Chris@16: 
Chris@16: const int WOULD_BLOCK = (int) (EOF - 1);
Chris@16: 
Chris@16: #ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS
Chris@16: const std::wint_t WWOULD_BLOCK = (std::wint_t) (WEOF - 1);
Chris@16: #endif
Chris@16: 
Chris@16: template<typename Ch>
Chris@16: struct char_traits;
Chris@16: 
Chris@16: template<>
Chris@16: struct char_traits<char> : BOOST_IOSTREAMS_CHAR_TRAITS(char) {
Chris@16:     static char newline() { return '\n'; }
Chris@16:     static int good() { return '\n'; }
Chris@16:     static int would_block() { return WOULD_BLOCK; }
Chris@16:     static bool is_good(int c) { return c != EOF && c != WOULD_BLOCK; }
Chris@16:     static bool is_eof(int c) { return c == EOF; }
Chris@16:     static bool would_block(int c) { return c == WOULD_BLOCK; }
Chris@16: };
Chris@16: 
Chris@16: #ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS
Chris@16: template<>
Chris@16: struct char_traits<wchar_t> : std::char_traits<wchar_t> {
Chris@16:     static wchar_t newline() { return L'\n'; }
Chris@16:     static std::wint_t good() { return L'\n'; }
Chris@16:     static std::wint_t would_block() { return WWOULD_BLOCK; }
Chris@16:     static bool is_good(std::wint_t c) { return c != WEOF && c != WWOULD_BLOCK; }
Chris@16:     static bool is_eof(std::wint_t c) { return c == WEOF; }
Chris@16:     static bool would_block(std::wint_t c) { return c == WWOULD_BLOCK; }
Chris@16: };
Chris@16: #endif
Chris@16: 
Chris@16: } } // End namespaces iostreams, boost.
Chris@16: 
Chris@16: #endif // #ifndef BOOST_IOSTREAMS_CHAR_TRAITS_HPP_INCLUDED