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// (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 <ndnboost/iostreams/char_traits.hpp>, which defines the
// template ndnboost::iostreams::char_traits.
// See http://www.boost.org/libs/iostreams for documentation.
#ifndef NDNBOOST_IOSTREAMS_DETAIL_CHAR_TRAITS_HPP_INCLUDED
#define NDNBOOST_IOSTREAMS_DETAIL_CHAR_TRAITS_HPP_INCLUDED
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
#include <iosfwd>
#include <ndnboost/iostreams/detail/config/wide_streams.hpp>
#ifdef NDNBOOST_IOSTREAMS_NO_STREAM_TEMPLATES
# include <ndnboost/config.hpp> // Make sure size_t is in std.
# include <cstddef>
# include <cstring>
# include <cstdio>
#endif
#ifndef NDNBOOST_IOSTREAMS_NO_STREAM_TEMPLATES //--------------------------------//
# define NDNBOOST_IOSTREAMS_CHAR_TRAITS(ch) std::char_traits< ch >
#else
# define NDNBOOST_IOSTREAMS_CHAR_TRAITS(ch) ndnboost::iostreams::detail::char_traits
namespace ndnboost { 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 NDNBOOST_IOSTREAMS_NO_STREAM_TEMPLATES //-----------------------//
#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_CHAR_TRAITS_HPP_INCLUDED