ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/detail/streambuf/chainbuf.hpp b/include/ndnboost/iostreams/detail/streambuf/chainbuf.hpp
new file mode 100644
index 0000000..157b855
--- /dev/null
+++ b/include/ndnboost/iostreams/detail/streambuf/chainbuf.hpp
@@ -0,0 +1,116 @@
+// (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_CHAINBUF_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_DETAIL_CHAINBUF_HPP_INCLUDED
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <ndnboost/config.hpp> // NDNBOOST_MSVC, template friends.
+#include <ndnboost/detail/workaround.hpp>
+#include <ndnboost/iostreams/chain.hpp>
+#include <ndnboost/iostreams/detail/access_control.hpp>
+#include <ndnboost/iostreams/detail/config/wide_streams.hpp>
+#include <ndnboost/iostreams/detail/streambuf.hpp>
+#include <ndnboost/iostreams/detail/streambuf/linked_streambuf.hpp>
+#include <ndnboost/iostreams/detail/translate_int_type.hpp>
+#include <ndnboost/iostreams/traits.hpp>
+#include <ndnboost/noncopyable.hpp>
+
+namespace ndnboost { namespace iostreams { namespace detail {
+
+//--------------Definition of chainbuf----------------------------------------//
+
+//
+// Template name: chainbuf.
+// Description: Stream buffer which operates by delegating to the first
+// linked_streambuf in a chain.
+// Template parameters:
+// Chain - The chain type.
+//
+template<typename Chain, typename Mode, typename Access>
+class chainbuf
+ : public NDNBOOST_IOSTREAMS_BASIC_STREAMBUF(
+ typename Chain::char_type,
+ typename Chain::traits_type
+ ),
+ public access_control<typename Chain::client_type, Access>,
+ private noncopyable
+{
+private:
+ typedef access_control<chain_client<Chain>, Access> client_type;
+public:
+ typedef typename Chain::char_type char_type;
+ NDNBOOST_IOSTREAMS_STREAMBUF_TYPEDEFS(typename Chain::traits_type)
+protected:
+ typedef linked_streambuf<char_type, traits_type> delegate_type;
+ chainbuf() { client_type::set_chain(&chain_); }
+ int_type underflow()
+ { sentry t(this); return translate(delegate().underflow()); }
+ int_type pbackfail(int_type c)
+ { sentry t(this); return translate(delegate().pbackfail(c)); }
+ std::streamsize xsgetn(char_type* s, std::streamsize n)
+ { sentry t(this); return delegate().xsgetn(s, n); }
+ int_type overflow(int_type c)
+ { sentry t(this); return translate(delegate().overflow(c)); }
+ std::streamsize xsputn(const char_type* s, std::streamsize n)
+ { sentry t(this); return delegate().xsputn(s, n); }
+ int sync() { sentry t(this); return delegate().sync(); }
+ pos_type seekoff( off_type off, NDNBOOST_IOS::seekdir way,
+ NDNBOOST_IOS::openmode which =
+ NDNBOOST_IOS::in | NDNBOOST_IOS::out )
+ { sentry t(this); return delegate().seekoff(off, way, which); }
+ pos_type seekpos( pos_type sp,
+ NDNBOOST_IOS::openmode which =
+ NDNBOOST_IOS::in | NDNBOOST_IOS::out )
+ { sentry t(this); return delegate().seekpos(sp, which); }
+protected:
+ typedef NDNBOOST_IOSTREAMS_BASIC_STREAMBUF(
+ typename Chain::char_type,
+ typename Chain::traits_type
+ ) base_type;
+//#if !NDNBOOST_WORKAROUND(__GNUC__, == 2)
+// NDNBOOST_IOSTREAMS_USING_PROTECTED_STREAMBUF_MEMBERS(base_type)
+//#endif
+private:
+
+ // Translate from std int_type to chain's int_type.
+ typedef NDNBOOST_IOSTREAMS_CHAR_TRAITS(char_type) std_traits;
+ typedef typename Chain::traits_type chain_traits;
+ static typename chain_traits::int_type
+ translate(typename std_traits::int_type c)
+ { return translate_int_type<std_traits, chain_traits>(c); }
+
+ delegate_type& delegate()
+ { return static_cast<delegate_type&>(chain_.front()); }
+ void get_pointers()
+ {
+ this->setg(delegate().eback(), delegate().gptr(), delegate().egptr());
+ this->setp(delegate().pbase(), delegate().epptr());
+ this->pbump((int) (delegate().pptr() - delegate().pbase()));
+ }
+ void set_pointers()
+ {
+ delegate().setg(this->eback(), this->gptr(), this->egptr());
+ delegate().setp(this->pbase(), this->epptr());
+ delegate().pbump((int) (this->pptr() - this->pbase()));
+ }
+ struct sentry {
+ sentry(chainbuf<Chain, Mode, Access>* buf) : buf_(buf)
+ { buf_->set_pointers(); }
+ ~sentry() { buf_->get_pointers(); }
+ chainbuf<Chain, Mode, Access>* buf_;
+ };
+ friend struct sentry;
+ Chain chain_;
+};
+
+} } } // End namespaces detail, iostreams, boost.
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_CHAINBUF_HPP_INCLUDED