// (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.) | |
// Provides std::char_traits for libraries without templated streams. Should not | |
// be confused with <boost/iostreams/char_traits.hpp>, which defines the | |
// template boost::iostreams::char_traits. | |
// See http://www.boost.org/libs/iostreams for documentation. | |
#ifndef BOOST_IOSTREAMS_DETAIL_CHAR_TRAITS_HPP_INCLUDED | |
#define BOOST_IOSTREAMS_DETAIL_CHAR_TRAITS_HPP_INCLUDED | |
#if defined(_MSC_VER) && (_MSC_VER >= 1020) | |
# pragma once | |
#endif | |
#include <iosfwd> | |
#include <boost/iostreams/detail/config/wide_streams.hpp> | |
#ifdef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES | |
# include <boost/config.hpp> // Make sure size_t is in std. | |
# include <cstddef> | |
# include <cstring> | |
# include <cstdio> | |
#endif | |
#ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES //--------------------------------// | |
# define BOOST_IOSTREAMS_CHAR_TRAITS(ch) std::char_traits< ch > | |
#else | |
# define BOOST_IOSTREAMS_CHAR_TRAITS(ch) boost::iostreams::detail::char_traits | |
namespace boost { namespace iostreams { namespace detail { | |
struct char_traits { | |
typedef char char_type; | |
typedef int int_type; | |
typedef std::streampos pos_type; | |
typedef std::streamoff off_type; | |
// Note: this may not be not conforming, since it treats chars as unsigned, | |
// but is only used to test for equality. | |
static int compare(const char* lhs, const char* rhs, std::size_t n) | |
{ return std::strncmp(lhs, rhs, n); } | |
static char* copy(char *dest, const char *src, std::size_t n) | |
{ return static_cast<char*>(std::memcpy(dest, src, n)); } | |
static char* move(char *dest, const char *src, std::size_t n) | |
{ return static_cast<char*>(std::memmove(dest, src, n)); } | |
static const char* find(const char* s, std::size_t n, const char& c) | |
{ return (const char*) (const void*) std::memchr(s, c, n); } | |
static char to_char_type(const int& c) { return c; } | |
static int to_int_type(const char& c) { return c; } | |
static bool eq_int_type(const int& lhs, const int& rhs) | |
{ return lhs == rhs; } | |
static int eof() { return EOF; } | |
static int not_eof(const int& c) { return c != EOF ? c : '\n'; } | |
}; | |
} } } // End namespaces detail, iostreams, boost. | |
#endif // #ifdef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES //-----------------------// | |
#endif // #ifndef BOOST_IOSTREAMS_DETAIL_CHAR_TRAITS_HPP_INCLUDED |