/usr/include/boost/iostreams
Edit: /usr/include/boost/iostreams/optimal_buffer_size.hpp (2433B)
// (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_OPTIMAL_BUFFER_SIZE_HPP_INCLUDED
#define BOOST_IOSTREAMS_OPTIMAL_BUFFER_SIZE_HPP_INCLUDED
#if defined(_MSC_VER)
# pragma once
#endif
#include
// DEDUCED_TYPENAME, MSVC.
#include
#include // constants.
#include
#include
#include
#include
// Must come last.
#include
namespace boost { namespace iostreams {
namespace detail {
template
struct optimal_buffer_size_impl;
} // End namespace detail.
template
std::streamsize optimal_buffer_size(const T& t)
{
typedef detail::optimal_buffer_size_impl impl;
return impl::optimal_buffer_size(detail::unwrap(t));
}
namespace detail {
//------------------Definition of optimal_buffer_size_impl--------------------//
template
struct optimal_buffer_size_impl
: mpl::if_<
is_custom,
operations,
optimal_buffer_size_impl<
BOOST_DEDUCED_TYPENAME
dispatch<
T, optimally_buffered_tag, device_tag, filter_tag
>::type
>
>::type
{ };
template<>
struct optimal_buffer_size_impl {
template
static std::streamsize optimal_buffer_size(const T& t)
{ return t.optimal_buffer_size(); }
};
template<>
struct optimal_buffer_size_impl {
template
static std::streamsize optimal_buffer_size(const T&)
{ return default_device_buffer_size; }
};
template<>
struct optimal_buffer_size_impl {
template
static std::streamsize optimal_buffer_size(const T&)
{ return default_filter_buffer_size; }
};
} // End namespace detail.
} } // End namespaces iostreams, boost.
#include
#endif // #ifndef BOOST_IOSTREAMS_OPTIMAL_BUFFER_SIZE_HPP_INCLUDED