ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/close.hpp b/include/ndnboost/iostreams/close.hpp
new file mode 100644
index 0000000..5dde459
--- /dev/null
+++ b/include/ndnboost/iostreams/close.hpp
@@ -0,0 +1,259 @@
+// (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 NDNBOOST_IOSTREAMS_CLOSE_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_CLOSE_HPP_INCLUDED
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <ndnboost/config.hpp> // DEDUCED_TYPENAME, MSVC.
+#include <ndnboost/detail/workaround.hpp>
+#include <ndnboost/iostreams/categories.hpp>
+#include <ndnboost/iostreams/flush.hpp>
+#include <ndnboost/iostreams/detail/adapter/non_blocking_adapter.hpp>
+#include <ndnboost/iostreams/detail/ios.hpp> // NDNBOOST_IOS
+#include <ndnboost/iostreams/detail/select.hpp>
+#include <ndnboost/iostreams/detail/wrap_unwrap.hpp>
+#include <ndnboost/iostreams/operations_fwd.hpp>
+#include <ndnboost/iostreams/traits.hpp>
+#include <ndnboost/mpl/identity.hpp>
+#include <ndnboost/mpl/if.hpp>
+#include <ndnboost/type_traits/is_convertible.hpp>
+#include <ndnboost/type_traits/is_integral.hpp>
+#include <ndnboost/type_traits/remove_cv.hpp>
+#include <ndnboost/type_traits/remove_reference.hpp>
+
+// Must come last.
+#include <ndnboost/iostreams/detail/config/disable_warnings.hpp>
+
+namespace ndnboost { namespace iostreams {
+
+template<typename T>
+void close(T& t);
+
+template<typename T>
+void close(T& t, NDNBOOST_IOS::openmode which);
+
+template<typename T, typename Sink>
+void close(T& t, Sink& snk, NDNBOOST_IOS::openmode which);
+
+namespace detail {
+
+template<typename T>
+void close_all(T& t)
+{
+ try {
+ ndnboost::iostreams::close(t, NDNBOOST_IOS::in);
+ } catch (...) {
+ try {
+ ndnboost::iostreams::close(t, NDNBOOST_IOS::out);
+ } catch (...) { }
+ throw;
+ }
+ ndnboost::iostreams::close(t, NDNBOOST_IOS::out);
+}
+
+template<typename T, typename Sink>
+void close_all(T& t, Sink& snk)
+{
+ try {
+ ndnboost::iostreams::close(t, snk, NDNBOOST_IOS::in);
+ } catch (...) {
+ try {
+ ndnboost::iostreams::close(t, snk, NDNBOOST_IOS::out);
+ } catch (...) { }
+ throw;
+ }
+ ndnboost::iostreams::close(t, snk, NDNBOOST_IOS::out);
+}
+
+} // End namespace detail.
+
+} } // End namespaces iostreams, boost.
+
+#if NDNBOOST_WORKAROUND(NDNBOOST_MSVC, < 1300) //-----------------------------------//
+# include <ndnboost/iostreams/detail/vc6/close.hpp>
+#else // #if NDNBOOST_WORKAROUND(NDNBOOST_MSVC, < 1300) //--------------------------//
+
+namespace ndnboost { namespace iostreams {
+
+namespace detail {
+
+template<typename T>
+struct close_impl;
+
+} // End namespace detail.
+
+template<typename T>
+void close(T& t) { detail::close_all(t); }
+
+template<typename T>
+void close(T& t, NDNBOOST_IOS::openmode which)
+{
+#ifdef NDNBOOST_IOSTREAMS_STRICT
+ NDNBOOST_ASSERT(which == NDNBOOST_IOS::in || which == NDNBOOST_IOS::out);
+#else
+ if (which == (NDNBOOST_IOS::in | NDNBOOST_IOS::out)) {
+ detail::close_all(t);
+ return;
+ }
+#endif
+ detail::close_impl<T>::close(detail::unwrap(t), which);
+}
+
+template<typename T, typename Sink>
+void close(T& t, Sink& snk, NDNBOOST_IOS::openmode which)
+{
+#ifdef NDNBOOST_IOSTREAMS_STRICT
+ NDNBOOST_ASSERT(which == NDNBOOST_IOS::in || which == NDNBOOST_IOS::out);
+#else
+ if (which == (NDNBOOST_IOS::in | NDNBOOST_IOS::out)) {
+ detail::close_all(t, snk);
+ return;
+ }
+#endif
+ detail::close_impl<T>::close(detail::unwrap(t), snk, which);
+}
+
+namespace detail {
+
+//------------------Definition of close_impl----------------------------------//
+
+struct close_boost_stream { };
+struct close_filtering_stream { };
+
+template<typename T>
+struct close_tag {
+ typedef typename category_of<T>::type category;
+ typedef typename detail::unwrapped_type<T>::type unwrapped;
+ typedef typename
+ iostreams::select<
+ mpl::not_< is_convertible<category, closable_tag> >,
+ any_tag,
+ mpl::or_<
+ is_boost_stream<unwrapped>,
+ is_boost_stream_buffer<unwrapped>
+ >,
+ close_boost_stream,
+ mpl::or_<
+ is_filtering_stream<unwrapped>,
+ is_filtering_streambuf<unwrapped>
+ >,
+ close_filtering_stream,
+ mpl::or_<
+ is_convertible<category, two_sequence>,
+ is_convertible<category, dual_use>
+ >,
+ two_sequence,
+ else_,
+ closable_tag
+ >::type type;
+};
+
+template<typename T>
+struct close_impl
+ : mpl::if_<
+ is_custom<T>,
+ operations<T>,
+ close_impl<NDNBOOST_DEDUCED_TYPENAME close_tag<T>::type>
+ >::type
+ { };
+
+template<>
+struct close_impl<any_tag> {
+ template<typename T>
+ static void close(T& t, NDNBOOST_IOS::openmode which)
+ {
+ if (which == NDNBOOST_IOS::out)
+ iostreams::flush(t);
+ }
+
+ template<typename T, typename Sink>
+ static void close(T& t, Sink& snk, NDNBOOST_IOS::openmode which)
+ {
+ if (which == NDNBOOST_IOS::out) {
+ non_blocking_adapter<Sink> nb(snk);
+ iostreams::flush(t, nb);
+ }
+ }
+};
+
+template<>
+struct close_impl<close_boost_stream> {
+ template<typename T>
+ static void close(T& t)
+ {
+ t.close();
+ }
+ template<typename T>
+ static void close(T& t, NDNBOOST_IOS::openmode which)
+ {
+ if (which == NDNBOOST_IOS::out)
+ t.close();
+ }
+};
+
+template<>
+struct close_impl<close_filtering_stream> {
+ template<typename T>
+ static void close(T& t, NDNBOOST_IOS::openmode which)
+ {
+ typedef typename category_of<T>::type category;
+ const bool in = is_convertible<category, input>::value &&
+ !is_convertible<category, output>::value;
+ if (in == (which == NDNBOOST_IOS::in) && t.is_complete())
+ t.pop();
+ }
+};
+
+template<>
+struct close_impl<closable_tag> {
+ template<typename T>
+ static void close(T& t, NDNBOOST_IOS::openmode which)
+ {
+ typedef typename category_of<T>::type category;
+ const bool in = is_convertible<category, input>::value &&
+ !is_convertible<category, output>::value;
+ if (in == (which == NDNBOOST_IOS::in))
+ t.close();
+ }
+ template<typename T, typename Sink>
+ static void close(T& t, Sink& snk, NDNBOOST_IOS::openmode which)
+ {
+ typedef typename category_of<T>::type category;
+ const bool in = is_convertible<category, input>::value &&
+ !is_convertible<category, output>::value;
+ if (in == (which == NDNBOOST_IOS::in)) {
+ non_blocking_adapter<Sink> nb(snk);
+ t.close(nb);
+ }
+ }
+};
+
+template<>
+struct close_impl<two_sequence> {
+ template<typename T>
+ static void close(T& t, NDNBOOST_IOS::openmode which) { t.close(which); }
+ template<typename T, typename Sink>
+ static void close(T& t, Sink& snk, NDNBOOST_IOS::openmode which)
+ {
+ non_blocking_adapter<Sink> nb(snk);
+ t.close(nb, which);
+ }
+};
+
+} // End namespace detail.
+
+} } // End namespaces iostreams, boost.
+
+#endif // #if NDNBOOST_WORKAROUND(NDNBOOST_MSVC, < 1300) //-------------------------//
+
+#include <ndnboost/iostreams/detail/config/enable_warnings.hpp>
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_CLOSE_HPP_INCLUDED