ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/detail/forward.hpp b/include/ndnboost/iostreams/detail/forward.hpp
new file mode 100644
index 0000000..a45b903
--- /dev/null
+++ b/include/ndnboost/iostreams/detail/forward.hpp
@@ -0,0 +1,124 @@
+// (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_DETAIL_FORWARD_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_DETAIL_FORWARD_HPP_INCLUDED
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <ndnboost/config.hpp> // NDNBOOST_MSVC, NDNBOOST_NO_SFINAE
+#include <ndnboost/detail/workaround.hpp>
+#include <ndnboost/iostreams/detail/config/limits.hpp>
+#include <ndnboost/iostreams/detail/push_params.hpp>
+#include <ndnboost/preprocessor/arithmetic/dec.hpp>
+#include <ndnboost/preprocessor/arithmetic/inc.hpp>
+#include <ndnboost/preprocessor/punctuation/comma_if.hpp>
+#include <ndnboost/preprocessor/repetition/enum_binary_params.hpp>
+#include <ndnboost/preprocessor/repetition/enum_params.hpp>
+#include <ndnboost/preprocessor/repetition/repeat_from_to.hpp>
+#include <ndnboost/preprocessor/tuple/elem.hpp>
+#include <ndnboost/type_traits/is_same.hpp>
+
+//------Macros for defining forwarding constructors and open overloads--------//
+
+//
+// Macro: NDNBOOST_IOSTREAMS_FORWARD(class, impl, device, params, args)
+// Description: Defines constructors and overloads of 'open' which construct
+// a device using the specified argument list and pass it to the specified
+// helper function
+// class - The class name
+// impl - The helper function
+// device - The device type
+// params - The list of formal parameters trailing the device parameter in
+// the helper function's signature
+// params - The list of arguments passed to the helper function, following the
+// device argument
+//
+#define NDNBOOST_IOSTREAMS_FORWARD(class, impl, device, params, args) \
+ class(const device& t params()) \
+ { this->impl(::ndnboost::iostreams::detail::wrap(t) args()); } \
+ class(device& t params()) \
+ { this->impl(::ndnboost::iostreams::detail::wrap(t) args()); } \
+ class(const ::ndnboost::reference_wrapper<device>& ref params()) \
+ { this->impl(ref args()); } \
+ void open(const device& t params()) \
+ { this->impl(::ndnboost::iostreams::detail::wrap(t) args()); } \
+ void open(device& t params()) \
+ { this->impl(::ndnboost::iostreams::detail::wrap(t) args()); } \
+ void open(const ::ndnboost::reference_wrapper<device>& ref params()) \
+ { this->impl(ref args()); } \
+ NDNBOOST_PP_REPEAT_FROM_TO( \
+ 1, NDNBOOST_PP_INC(NDNBOOST_IOSTREAMS_MAX_FORWARDING_ARITY), \
+ NDNBOOST_IOSTREAMS_FORWARDING_CTOR, (class, impl, device) \
+ ) \
+ NDNBOOST_PP_REPEAT_FROM_TO( \
+ 1, NDNBOOST_PP_INC(NDNBOOST_IOSTREAMS_MAX_FORWARDING_ARITY), \
+ NDNBOOST_IOSTREAMS_FORWARDING_FN, (class, impl, device) \
+ ) \
+ /**/
+#if !NDNBOOST_WORKAROUND(NDNBOOST_MSVC, < 1300)
+# define NDNBOOST_IOSTREAMS_FORWARDING_CTOR_I(z, n, tuple) \
+ template< typename U100 NDNBOOST_PP_COMMA_IF(NDNBOOST_PP_DEC(n)) \
+ NDNBOOST_PP_ENUM_PARAMS_Z(z, NDNBOOST_PP_DEC(n), typename U) > \
+ NDNBOOST_PP_TUPLE_ELEM(3, 0, tuple) \
+ ( U100& u100 NDNBOOST_PP_COMMA_IF(NDNBOOST_PP_DEC(n)) \
+ NDNBOOST_PP_ENUM_BINARY_PARAMS_Z(z, NDNBOOST_PP_DEC(n), const U, &u) \
+ NDNBOOST_IOSTREAMS_DISABLE_IF_SAME(U100, NDNBOOST_PP_TUPLE_ELEM(3, 2, tuple))) \
+ { this->NDNBOOST_PP_TUPLE_ELEM(3, 1, tuple) \
+ ( NDNBOOST_PP_TUPLE_ELEM(3, 2, tuple) \
+ ( u100 NDNBOOST_PP_COMMA_IF(NDNBOOST_PP_DEC(n)) \
+ NDNBOOST_PP_ENUM_PARAMS_Z(z, NDNBOOST_PP_DEC(n), u)) ); } \
+ /**/
+# define NDNBOOST_IOSTREAMS_FORWARDING_FN_I(z, n, tuple) \
+ template< typename U100 NDNBOOST_PP_COMMA_IF(NDNBOOST_PP_DEC(n)) \
+ NDNBOOST_PP_ENUM_PARAMS_Z(z, NDNBOOST_PP_DEC(n), typename U) > \
+ void open \
+ ( U100& u100 NDNBOOST_PP_COMMA_IF(NDNBOOST_PP_DEC(n)) \
+ NDNBOOST_PP_ENUM_BINARY_PARAMS_Z(z, NDNBOOST_PP_DEC(n), const U, &u) \
+ NDNBOOST_IOSTREAMS_DISABLE_IF_SAME(U100, NDNBOOST_PP_TUPLE_ELEM(3, 2, tuple))) \
+ { this->NDNBOOST_PP_TUPLE_ELEM(3, 1, tuple) \
+ ( u100 NDNBOOST_PP_COMMA_IF(NDNBOOST_PP_DEC(n)) \
+ NDNBOOST_PP_ENUM_PARAMS_Z(z, NDNBOOST_PP_DEC(n), u) ); } \
+ /**/
+#else
+# define NDNBOOST_IOSTREAMS_FORWARDING_CTOR_I(z, n, tuple)
+# define NDNBOOST_IOSTREAMS_FORWARDING_FN_I(z, n, tuple)
+#endif
+#define NDNBOOST_IOSTREAMS_FORWARDING_CTOR(z, n, tuple) \
+ template<NDNBOOST_PP_ENUM_PARAMS_Z(z, n, typename U)> \
+ NDNBOOST_PP_TUPLE_ELEM(3, 0, tuple) \
+ (NDNBOOST_PP_ENUM_BINARY_PARAMS_Z(z, n, const U, &u) \
+ NDNBOOST_IOSTREAMS_DISABLE_IF_SAME(U0, NDNBOOST_PP_TUPLE_ELEM(3, 2, tuple))) \
+ { this->NDNBOOST_PP_TUPLE_ELEM(3, 1, tuple) \
+ ( NDNBOOST_PP_TUPLE_ELEM(3, 2, tuple) \
+ (NDNBOOST_PP_ENUM_PARAMS_Z(z, n, u)) ); } \
+ NDNBOOST_IOSTREAMS_FORWARDING_CTOR_I(z, n, tuple) \
+ /**/
+#define NDNBOOST_IOSTREAMS_FORWARDING_FN(z, n, tuple) \
+ template<NDNBOOST_PP_ENUM_PARAMS_Z(z, n, typename U)> \
+ void open(NDNBOOST_PP_ENUM_BINARY_PARAMS_Z(z, n, const U, &u) \
+ NDNBOOST_IOSTREAMS_DISABLE_IF_SAME(U0, NDNBOOST_PP_TUPLE_ELEM(3, 2, tuple))) \
+ { this->NDNBOOST_PP_TUPLE_ELEM(3, 1, tuple) \
+ ( NDNBOOST_PP_TUPLE_ELEM(3, 2, tuple) \
+ (NDNBOOST_PP_ENUM_PARAMS_Z(z, n, u)) ); } \
+ NDNBOOST_IOSTREAMS_FORWARDING_FN_I(z, n, tuple) \
+ /**/
+
+// Disable forwarding constructors if first parameter type is the same
+// as the device type
+#if !defined(NDNBOOST_NO_SFINAE) && \
+ !NDNBOOST_WORKAROUND(__BORLANDC__, NDNBOOST_TESTED_AT(0x592))
+# define NDNBOOST_IOSTREAMS_DISABLE_IF_SAME(device, param) \
+ , typename ndnboost::disable_if< ndnboost::is_same<device, param> >::type* = 0 \
+ /**/
+#else
+# define NDNBOOST_IOSTREAMS_DISABLE_IF_SAME(device, param)
+#endif
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_FORWARD_HPP_INCLUDED