ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/regex/v4/instances.hpp b/include/ndnboost/regex/v4/instances.hpp
new file mode 100644
index 0000000..b64e01e
--- /dev/null
+++ b/include/ndnboost/regex/v4/instances.hpp
@@ -0,0 +1,222 @@
+/*
+ *
+ * Copyright (c) 1998-2002
+ * John Maddock
+ *
+ * Use, modification and distribution are subject to 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)
+ *
+ */
+
+ /*
+ * LOCATION: see http://www.boost.org for most recent version.
+ * FILE instances.cpp
+ * VERSION see <ndnboost/version.hpp>
+ * DESCRIPTION: Defines those template instances that are placed in the
+ * library rather than in the users object files.
+ */
+
+//
+// note no include guard, we may include this multiple times:
+//
+#ifndef NDNBOOST_REGEX_NO_EXTERNAL_TEMPLATES
+
+namespace ndnboost{
+
+//
+// this header can be included multiple times, each time with
+// a different character type, NDNBOOST_REGEX_CHAR_T must be defined
+// first:
+//
+#ifndef NDNBOOST_REGEX_CHAR_T
+# error "NDNBOOST_REGEX_CHAR_T not defined"
+#endif
+
+#ifndef NDNBOOST_REGEX_TRAITS_T
+# define NDNBOOST_REGEX_TRAITS_T , ndnboost::regex_traits<NDNBOOST_REGEX_CHAR_T >
+#endif
+
+//
+// what follows is compiler specific:
+//
+
+#if defined(__BORLANDC__) && (__BORLANDC__ < 0x600)
+
+#ifdef NDNBOOST_HAS_ABI_HEADERS
+# include NDNBOOST_ABI_PREFIX
+#endif
+
+# ifndef NDNBOOST_REGEX_INSTANTIATE
+# pragma option push -Jgx
+# endif
+
+template class NDNBOOST_REGEX_DECL basic_regex< NDNBOOST_REGEX_CHAR_T NDNBOOST_REGEX_TRAITS_T >;
+template class NDNBOOST_REGEX_DECL match_results< const NDNBOOST_REGEX_CHAR_T* >;
+#ifndef NDNBOOST_NO_STD_ALLOCATOR
+template class NDNBOOST_REGEX_DECL ::ndnboost::re_detail::perl_matcher<NDNBOOST_REGEX_CHAR_T const *, match_results< const NDNBOOST_REGEX_CHAR_T* >::allocator_type NDNBOOST_REGEX_TRAITS_T >;
+#endif
+
+# ifndef NDNBOOST_REGEX_INSTANTIATE
+# pragma option pop
+# endif
+
+#ifdef NDNBOOST_HAS_ABI_HEADERS
+# include NDNBOOST_ABI_SUFFIX
+#endif
+
+#elif defined(NDNBOOST_MSVC) || defined(__ICL)
+
+# ifndef NDNBOOST_REGEX_INSTANTIATE
+# ifdef __GNUC__
+# define template __extension__ extern template
+# else
+# if NDNBOOST_MSVC > 1310
+# define NDNBOOST_REGEX_TEMPLATE_DECL
+# endif
+# define template extern template
+# endif
+# endif
+
+#ifndef NDNBOOST_REGEX_TEMPLATE_DECL
+# define NDNBOOST_REGEX_TEMPLATE_DECL NDNBOOST_REGEX_DECL
+#endif
+
+# ifdef NDNBOOST_MSVC
+# pragma warning(push)
+# pragma warning(disable : 4251 4231)
+# if NDNBOOST_MSVC < 1600
+# pragma warning(disable : 4660)
+# endif
+# endif
+
+template class NDNBOOST_REGEX_TEMPLATE_DECL basic_regex< NDNBOOST_REGEX_CHAR_T NDNBOOST_REGEX_TRAITS_T >;
+
+#if !NDNBOOST_WORKAROUND(NDNBOOST_MSVC, < 1300)
+template class NDNBOOST_REGEX_TEMPLATE_DECL match_results< const NDNBOOST_REGEX_CHAR_T* >;
+#endif
+#ifndef NDNBOOST_NO_STD_ALLOCATOR
+template class NDNBOOST_REGEX_TEMPLATE_DECL ::ndnboost::re_detail::perl_matcher<NDNBOOST_REGEX_CHAR_T const *, match_results< const NDNBOOST_REGEX_CHAR_T* >::allocator_type NDNBOOST_REGEX_TRAITS_T >;
+#endif
+#if !(defined(NDNBOOST_DINKUMWARE_STDLIB) && (NDNBOOST_DINKUMWARE_STDLIB <= 1))\
+ && !(defined(NDNBOOST_INTEL_CXX_VERSION) && (NDNBOOST_INTEL_CXX_VERSION <= 800))\
+ && !(defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION))\
+ && !defined(NDNBOOST_REGEX_ICU_INSTANCES)
+#if !NDNBOOST_WORKAROUND(NDNBOOST_MSVC, < 1300)
+template class NDNBOOST_REGEX_TEMPLATE_DECL match_results< std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator >;
+#endif
+#ifndef NDNBOOST_NO_STD_ALLOCATOR
+template class NDNBOOST_REGEX_TEMPLATE_DECL ::ndnboost::re_detail::perl_matcher< std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator, match_results< std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator >::allocator_type, ndnboost::regex_traits<NDNBOOST_REGEX_CHAR_T > >;
+#endif
+#endif
+
+
+# ifdef NDNBOOST_MSVC
+# pragma warning(pop)
+# endif
+
+# ifdef template
+# undef template
+# endif
+
+#undef NDNBOOST_REGEX_TEMPLATE_DECL
+
+#elif (defined(__GNUC__) && (__GNUC__ >= 3)) || !defined(NDNBOOST_NO_CXX11_EXTERN_TEMPLATE)
+
+# ifndef NDNBOOST_REGEX_INSTANTIATE
+# ifdef __GNUC__
+# define template __extension__ extern template
+# else
+# define template extern template
+# endif
+# endif
+
+#if !defined(NDNBOOST_NO_STD_LOCALE) && !defined(NDNBOOST_REGEX_ICU_INSTANCES)
+namespace re_detail{
+template NDNBOOST_REGEX_DECL
+std::locale cpp_regex_traits_base<NDNBOOST_REGEX_CHAR_T>::imbue(const std::locale& l);
+
+template NDNBOOST_REGEX_DECL
+cpp_regex_traits_implementation<NDNBOOST_REGEX_CHAR_T>::string_type
+ cpp_regex_traits_implementation<NDNBOOST_REGEX_CHAR_T>::transform_primary(const NDNBOOST_REGEX_CHAR_T* p1, const NDNBOOST_REGEX_CHAR_T* p2) const;
+template NDNBOOST_REGEX_DECL
+cpp_regex_traits_implementation<NDNBOOST_REGEX_CHAR_T>::string_type
+ cpp_regex_traits_implementation<NDNBOOST_REGEX_CHAR_T>::transform(const NDNBOOST_REGEX_CHAR_T* p1, const NDNBOOST_REGEX_CHAR_T* p2) const;
+template NDNBOOST_REGEX_DECL
+cpp_regex_traits_implementation<NDNBOOST_REGEX_CHAR_T>::string_type
+ cpp_regex_traits_implementation<NDNBOOST_REGEX_CHAR_T>::lookup_collatename(const NDNBOOST_REGEX_CHAR_T* p1, const NDNBOOST_REGEX_CHAR_T* p2) const;
+template NDNBOOST_REGEX_DECL
+void cpp_regex_traits_implementation<NDNBOOST_REGEX_CHAR_T>::init();
+template NDNBOOST_REGEX_DECL
+cpp_regex_traits_implementation<NDNBOOST_REGEX_CHAR_T>::char_class_type
+ cpp_regex_traits_implementation<NDNBOOST_REGEX_CHAR_T>::lookup_classname_imp(const NDNBOOST_REGEX_CHAR_T* p1, const NDNBOOST_REGEX_CHAR_T* p2) const;
+#ifdef NDNBOOST_REGEX_BUGGY_CTYPE_FACET
+template NDNBOOST_REGEX_DECL
+bool cpp_regex_traits_implementation<NDNBOOST_REGEX_CHAR_T>::isctype(const NDNBOOST_REGEX_CHAR_T c, char_class_type mask) const;
+#endif
+} // namespace
+template NDNBOOST_REGEX_DECL
+int cpp_regex_traits<NDNBOOST_REGEX_CHAR_T>::toi(const NDNBOOST_REGEX_CHAR_T*& first, const NDNBOOST_REGEX_CHAR_T* last, int radix)const;
+template NDNBOOST_REGEX_DECL
+std::string cpp_regex_traits<NDNBOOST_REGEX_CHAR_T>::catalog_name(const std::string& name);
+template NDNBOOST_REGEX_DECL
+std::string& cpp_regex_traits<NDNBOOST_REGEX_CHAR_T>::get_catalog_name_inst();
+template NDNBOOST_REGEX_DECL
+std::string cpp_regex_traits<NDNBOOST_REGEX_CHAR_T>::get_catalog_name();
+#ifdef NDNBOOST_HAS_THREADS
+template NDNBOOST_REGEX_DECL
+static_mutex& cpp_regex_traits<NDNBOOST_REGEX_CHAR_T>::get_mutex_inst();
+#endif
+#endif
+
+template NDNBOOST_REGEX_DECL basic_regex<NDNBOOST_REGEX_CHAR_T NDNBOOST_REGEX_TRAITS_T >&
+ basic_regex<NDNBOOST_REGEX_CHAR_T NDNBOOST_REGEX_TRAITS_T >::do_assign(
+ const NDNBOOST_REGEX_CHAR_T* p1,
+ const NDNBOOST_REGEX_CHAR_T* p2,
+ flag_type f);
+template NDNBOOST_REGEX_DECL basic_regex<NDNBOOST_REGEX_CHAR_T NDNBOOST_REGEX_TRAITS_T >::locale_type NDNBOOST_REGEX_CALL
+ basic_regex<NDNBOOST_REGEX_CHAR_T NDNBOOST_REGEX_TRAITS_T >::imbue(locale_type l);
+
+template NDNBOOST_REGEX_DECL void NDNBOOST_REGEX_CALL
+ match_results<const NDNBOOST_REGEX_CHAR_T*>::maybe_assign(
+ const match_results<const NDNBOOST_REGEX_CHAR_T*>& m);
+
+namespace re_detail{
+template NDNBOOST_REGEX_DECL void perl_matcher<NDNBOOST_REGEX_CHAR_T const *, match_results< const NDNBOOST_REGEX_CHAR_T* >::allocator_type NDNBOOST_REGEX_TRAITS_T >::construct_init(
+ const basic_regex<NDNBOOST_REGEX_CHAR_T NDNBOOST_REGEX_TRAITS_T >& e, match_flag_type f);
+template NDNBOOST_REGEX_DECL bool perl_matcher<NDNBOOST_REGEX_CHAR_T const *, match_results< const NDNBOOST_REGEX_CHAR_T* >::allocator_type NDNBOOST_REGEX_TRAITS_T >::match();
+template NDNBOOST_REGEX_DECL bool perl_matcher<NDNBOOST_REGEX_CHAR_T const *, match_results< const NDNBOOST_REGEX_CHAR_T* >::allocator_type NDNBOOST_REGEX_TRAITS_T >::find();
+} // namespace
+
+#if (defined(__GLIBCPP__) || defined(__GLIBCXX__)) \
+ && !defined(NDNBOOST_REGEX_ICU_INSTANCES)\
+ && !defined(__SGI_STL_PORT)\
+ && !defined(_STLPORT_VERSION)
+// std:basic_string<>::const_iterator instances as well:
+template NDNBOOST_REGEX_DECL void NDNBOOST_REGEX_CALL
+ match_results<std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator>::maybe_assign(
+ const match_results<std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator>& m);
+
+namespace re_detail{
+template NDNBOOST_REGEX_DECL void perl_matcher<std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator, match_results< std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator >::allocator_type, ndnboost::regex_traits<NDNBOOST_REGEX_CHAR_T > >::construct_init(
+ const basic_regex<NDNBOOST_REGEX_CHAR_T>& e, match_flag_type f);
+template NDNBOOST_REGEX_DECL bool perl_matcher<std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator, match_results< std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator >::allocator_type, ndnboost::regex_traits<NDNBOOST_REGEX_CHAR_T > >::match();
+template NDNBOOST_REGEX_DECL bool perl_matcher<std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator, match_results< std::basic_string<NDNBOOST_REGEX_CHAR_T>::const_iterator >::allocator_type, ndnboost::regex_traits<NDNBOOST_REGEX_CHAR_T > >::find();
+} // namespace
+#endif
+
+# ifdef template
+# undef template
+# endif
+
+
+#endif
+
+} // namespace ndnboost
+
+#endif // NDNBOOST_REGEX_NO_EXTERNAL_TEMPLATES
+
+
+
+
+