ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/detail/counted_array.hpp b/include/ndnboost/iostreams/detail/counted_array.hpp
new file mode 100644
index 0000000..5305898
--- /dev/null
+++ b/include/ndnboost/iostreams/detail/counted_array.hpp
@@ -0,0 +1,64 @@
+// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
+// (C) Copyright 2005-2007 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_COUNTED_ARRAY_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_DETAIL_COUNTED_ARRAY_HPP_INCLUDED
+
+#include <algorithm> // min.
+#include <ndnboost/iostreams/categories.hpp>
+#include <ndnboost/iostreams/detail/char_traits.hpp>
+#include <ndnboost/iostreams/detail/ios.hpp> // streamsize.
+
+namespace ndnboost { namespace iostreams { namespace detail {
+
+template<typename Ch>
+class counted_array_source {
+public:
+ typedef Ch char_type;
+ typedef source_tag category;
+ counted_array_source(const Ch* buf, std::streamsize size)
+ : buf_(buf), ptr_(0), end_(size)
+ { }
+ std::streamsize read(Ch* s, std::streamsize n)
+ {
+ std::streamsize result = (std::min)(n, end_ - ptr_);
+ NDNBOOST_IOSTREAMS_CHAR_TRAITS(char_type)::copy
+ (s, buf_ + ptr_, result);
+ ptr_ += result;
+ return result;
+ }
+ std::streamsize count() const { return ptr_; }
+private:
+ const Ch* buf_;
+ std::streamsize ptr_, end_;
+};
+
+template<typename Ch>
+struct counted_array_sink {
+public:
+ typedef Ch char_type;
+ typedef sink_tag category;
+ counted_array_sink(Ch* buf, std::streamsize size)
+ : buf_(buf), ptr_(0), end_(size)
+ { }
+ std::streamsize write(const Ch* s, std::streamsize n)
+ {
+ std::streamsize result = (std::min)(n, end_ - ptr_);
+ NDNBOOST_IOSTREAMS_CHAR_TRAITS(char_type)::copy
+ (buf_ + ptr_, s, result);
+ ptr_ += result;
+ return result;
+ }
+ std::streamsize count() const { return ptr_; }
+private:
+ Ch* buf_;
+ std::streamsize ptr_, end_;
+};
+
+} } } // End namespaces iostreams, boost.
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_COUNTED_ARRAY_HPP_INCLUDED