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