Index: trunk/legacy/std_stream.cc
===================================================================
--- trunk/legacy/std_stream.cc	(revision 442)
+++ trunk/legacy/std_stream.cc	(revision 442)
@@ -0,0 +1,62 @@
+// Copyright (C) 2012-2015 ChaosForge Ltd
+// http://chaosforge.org/
+//
+// This file is part of Nova libraries. 
+// For conditions of distribution and use, see copying.txt file in root folder.
+//
+// TODO: support for write operations, see http://www.mr-edd.co.uk/blog/beginners_guide_streambuf
+
+#include "nv/io/std_stream.hh"
+#include "nv/stl/math.hh"
+#include "nv/stl/utility.hh"
+
+using namespace nv;
+
+std_streambuf::std_streambuf( stream* source, bool owner /*= false*/, std::size_t bsize /*= 256*/, std::size_t put_back /*= 8 */ )
+	: m_stream( source )
+	, m_owner( owner )
+	, m_buffer( nv::max(bsize, put_back) + put_back )
+	, m_put_back( nv::max( put_back, std::size_t( 1 ) ) )
+{
+	char *end = &m_buffer.front() + m_buffer.size();
+	setg( end, end, end );
+}
+
+std_streambuf::~std_streambuf()
+{
+	if ( m_owner )
+	{
+		delete m_stream;
+	}
+}
+
+std_streambuf::int_type std_streambuf::underflow()
+{
+	if (gptr() < egptr())
+	{
+		// buffer not exhausted
+		return traits_type::to_int_type(*gptr());
+	}
+
+	char *base = &m_buffer.front();
+	char *start = base;
+
+	if (eback() == base) // true when this isn't the first fill
+	{
+		// Make arrangements for putback characters
+		std::copy( egptr() - m_put_back, egptr(), base ); 
+		start += m_put_back;
+	}
+
+	// start is now the start of the buffer, proper.
+	size_t n = m_stream->read( start, 1, m_buffer.size() - static_cast<size_t>(start - base) );
+	if (n == 0)
+	{
+		return traits_type::eof();
+	}
+
+	// Set buffer pointers
+	setg(base, start, start + n);
+
+	return traits_type::to_int_type(*gptr());
+}
Index: trunk/legacy/std_stream.hh
===================================================================
--- trunk/legacy/std_stream.hh	(revision 442)
+++ trunk/legacy/std_stream.hh	(revision 442)
@@ -0,0 +1,54 @@
+// Copyright (C) 2012-2015 ChaosForge Ltd
+// http://chaosforge.org/
+//
+// This file is part of Nova libraries. 
+// For conditions of distribution and use, see copying.txt file in root folder.
+
+/**
+ * @file std_stream.hh
+ * @author Kornel Kisielewicz epyon@chaosforge.org
+ * @brief stream adapter for usage with STL
+ */
+
+#ifndef NV_IO_STD_STREAM_HH
+#define NV_IO_STD_STREAM_HH
+
+#include <nv/common.hh>
+#include <nv/stl/stream.hh>
+#include <streambuf>
+#include <istream>
+#include <vector>
+
+namespace nv
+{
+
+	class std_streambuf : public std::streambuf
+	{
+	public:
+		explicit std_streambuf( stream* source, bool owner = false, std::size_t bsize = 256, std::size_t put_back = 8 );
+		virtual ~std_streambuf();
+	protected:
+		stream*           m_stream;
+		bool              m_owner;
+		std::vector<char> m_buffer;
+		std::size_t       m_put_back;
+	private:
+		std_streambuf( const std_streambuf& );             // dissalow copy
+		std_streambuf *operator =( const std_streambuf& ); // dissalow assign
+		int_type underflow();
+	};
+
+	class std_stream : public std::istream
+	{
+	public:
+		explicit std_stream( stream* source, bool owner = false, std::size_t bsize = 256, std::size_t put_back = 8 )
+			: std::istream( &m_streambuf )
+			, m_streambuf( source, owner, bsize, put_back ) 
+		{}
+	private:
+		std_streambuf m_streambuf;
+	};
+
+} // namespace nv
+
+#endif // NV_IO_STD_STREAM_HH