/usr/include/boost/iostreams
Edit: /usr/include/boost/iostreams/close.hpp (7012B)
// (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_CLOSE_HPP_INCLUDED
#define BOOST_IOSTREAMS_CLOSE_HPP_INCLUDED
#if defined(_MSC_VER)
# pragma once
#endif
#include
// DEDUCED_TYPENAME, MSVC.
#include
#include
#include
#include
#include // BOOST_IOS
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
// Must come last.
#include
namespace boost { namespace iostreams {
template
void close(T& t);
template
void close(T& t, BOOST_IOS::openmode which);
template
void close(T& t, Sink& snk, BOOST_IOS::openmode which);
namespace detail {
template
void close_all(T& t)
{
try {
boost::iostreams::close(t, BOOST_IOS::in);
} catch (...) {
try {
boost::iostreams::close(t, BOOST_IOS::out);
} catch (...) { }
throw;
}
boost::iostreams::close(t, BOOST_IOS::out);
}
template
void close_all(T& t, Sink& snk)
{
try {
boost::iostreams::close(t, snk, BOOST_IOS::in);
} catch (...) {
try {
boost::iostreams::close(t, snk, BOOST_IOS::out);
} catch (...) { }
throw;
}
boost::iostreams::close(t, snk, BOOST_IOS::out);
}
} // End namespace detail.
} } // End namespaces iostreams, boost.
namespace boost { namespace iostreams {
namespace detail {
template
struct close_impl;
} // End namespace detail.
template
void close(T& t) { detail::close_all(t); }
template
void close(T& t, BOOST_IOS::openmode which)
{
#ifdef BOOST_IOSTREAMS_STRICT
BOOST_ASSERT(which == BOOST_IOS::in || which == BOOST_IOS::out);
#else
if (which == (BOOST_IOS::in | BOOST_IOS::out)) {
detail::close_all(t);
return;
}
#endif
detail::close_impl::close(detail::unwrap(t), which);
}
template
void close(T& t, Sink& snk, BOOST_IOS::openmode which)
{
#ifdef BOOST_IOSTREAMS_STRICT
BOOST_ASSERT(which == BOOST_IOS::in || which == BOOST_IOS::out);
#else
if (which == (BOOST_IOS::in | BOOST_IOS::out)) {
detail::close_all(t, snk);
return;
}
#endif
detail::close_impl::close(detail::unwrap(t), snk, which);
}
namespace detail {
//------------------Definition of close_impl----------------------------------//
struct close_boost_stream { };
struct close_filtering_stream { };
template
struct close_tag {
typedef typename category_of::type category;
typedef typename detail::unwrapped_type::type unwrapped;
typedef typename
iostreams::select<
mpl::not_< is_convertible >,
any_tag,
mpl::or_<
is_boost_stream,
is_boost_stream_buffer
>,
close_boost_stream,
mpl::or_<
is_filtering_stream,
is_filtering_streambuf
>,
close_filtering_stream,
mpl::or_<
is_convertible,
is_convertible
>,
two_sequence,
else_,
closable_tag
>::type type;
};
template
struct close_impl
: mpl::if_<
is_custom,
operations,
close_impl::type>
>::type
{ };
template<>
struct close_impl {
template
static void close(T& t, BOOST_IOS::openmode which)
{
if (which == BOOST_IOS::out)
iostreams::flush(t);
}
template
static void close(T& t, Sink& snk, BOOST_IOS::openmode which)
{
if (which == BOOST_IOS::out) {
non_blocking_adapter nb(snk);
iostreams::flush(t, nb);
}
}
};
template<>
struct close_impl {
template
static void close(T& t)
{
t.close();
}
template
static void close(T& t, BOOST_IOS::openmode which)
{
if (which == BOOST_IOS::out)
t.close();
}
};
template<>
struct close_impl {
template
static void close(T& t, BOOST_IOS::openmode which)
{
typedef typename category_of::type category;
const bool in = is_convertible::value &&
!is_convertible::value;
if (in == (which == BOOST_IOS::in) && t.is_complete())
t.pop();
}
};
template<>
struct close_impl {
template
static void close(T& t, BOOST_IOS::openmode which)
{
typedef typename category_of::type category;
const bool in = is_convertible::value &&
!is_convertible::value;
if (in == (which == BOOST_IOS::in))
t.close();
}
template
static void close(T& t, Sink& snk, BOOST_IOS::openmode which)
{
typedef typename category_of::type category;
const bool in = is_convertible::value &&
!is_convertible::value;
if (in == (which == BOOST_IOS::in)) {
non_blocking_adapter nb(snk);
t.close(nb);
}
}
};
template<>
struct close_impl {
template
static void close(T& t, BOOST_IOS::openmode which) { t.close(which); }
template
static void close(T& t, Sink& snk, BOOST_IOS::openmode which)
{
non_blocking_adapter nb(snk);
t.close(nb, which);
}
};
} // End namespace detail.
} } // End namespaces iostreams, boost.
#include
#endif // #ifndef BOOST_IOSTREAMS_CLOSE_HPP_INCLUDED