--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/deps/Platinum/Source/Core/PltStreamPump.h	Mon Jul 06 08:06:28 2009 -0700
@@ -0,0 +1,131 @@
+/*****************************************************************
+|
+|   Platinum - Stream Pump
+|
+| Copyright (c) 2004-2008, Plutinosoft, LLC.
+| All rights reserved.
+| http://www.plutinosoft.com
+|
+| This program is free software; you can redistribute it and/or
+| modify it under the terms of the GNU General Public License
+| as published by the Free Software Foundation; either version 2
+| of the License, or (at your option) any later version.
+|
+| OEMs, ISVs, VARs and other distributors that combine and 
+| distribute commercially licensed software with Platinum software
+| and do not wish to distribute the source code for the commercially
+| licensed software under version 2, or (at your option) any later
+| version, of the GNU General Public License (the "GPL") must enter
+| into a commercial license agreement with Plutinosoft, LLC.
+| 
+| This program is distributed in the hope that it will be useful,
+| but WITHOUT ANY WARRANTY; without even the implied warranty of
+| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+| GNU General Public License for more details.
+|
+| You should have received a copy of the GNU General Public License
+| along with this program; see the file LICENSE.txt. If not, write to
+| the Free Software Foundation, Inc., 
+| 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+| http://www.gnu.org/licenses/gpl-2.0.html
+|
+****************************************************************/
+
+#ifndef _PLT_STREAM_PUMP_H_
+#define _PLT_STREAM_PUMP_H_
+
+/*----------------------------------------------------------------------
+|   includes
++---------------------------------------------------------------------*/
+#include "NptStreams.h"
+#include "NptRingBuffer.h"
+
+/*----------------------------------------------------------------------
+|   PLT_PipeInputStream
++---------------------------------------------------------------------*/
+class PLT_PipeInputStream
+{
+public:
+    // constructor and destructor
+    virtual ~PLT_PipeInputStream() {};
+
+    // methods
+    virtual NPT_Result Receive(NPT_InputStream& stream, NPT_Size max_bytes_to_read, NPT_Size* bytes_read = 0) = 0;
+};
+
+typedef NPT_Reference<PLT_PipeInputStream> PLT_PipeInputStreamReference;
+
+/*----------------------------------------------------------------------
+|   PLT_PipeOutputStream
++---------------------------------------------------------------------*/
+class PLT_PipeOutputStream
+{
+public:
+    // constructor and destructor
+    virtual ~PLT_PipeOutputStream() {};
+
+    // methods
+    virtual NPT_Result Transmit(NPT_OutputStream& stream) = 0;
+};
+
+typedef NPT_Reference<PLT_PipeOutputStream> PLT_PipeOutputStreamReference;
+
+/*----------------------------------------------------------------------
+|   PLT_StreamPump class
++---------------------------------------------------------------------*/
+class PLT_StreamPump
+{
+public:
+    virtual ~PLT_StreamPump();
+
+protected:
+    // methods
+    PLT_StreamPump(NPT_Size size = 65535);
+    NPT_Result PullData(NPT_InputStream& input, NPT_Size max_bytes_to_read);
+    NPT_Result PushData(NPT_OutputStream& output, NPT_Size& bytes_written);
+
+    // members
+    NPT_RingBuffer*     m_RingBuffer;
+    NPT_Offset          m_TotalBytesRead;
+    NPT_Offset          m_TotalBytesWritten;
+};
+
+/*----------------------------------------------------------------------
+|   PLT_PipeInputStreamPump class
++---------------------------------------------------------------------*/
+class PLT_PipeInputStreamPump : public PLT_StreamPump,
+                                public PLT_PipeInputStream
+{
+public:
+    PLT_PipeInputStreamPump(NPT_OutputStreamReference& output, NPT_Size size = 65535);
+    virtual ~PLT_PipeInputStreamPump();
+
+    NPT_Result Receive(NPT_InputStream& input, NPT_Size max_bytes_to_read, NPT_Size* bytes_read);
+
+protected:
+    NPT_OutputStreamReference   m_Output;
+    NPT_Result                  m_LastRes;
+};
+
+/*----------------------------------------------------------------------
+|   PLT_PipeInputStreamPump class
++---------------------------------------------------------------------*/
+class PLT_PipeOutputStreamPump : public PLT_StreamPump,
+                                 public PLT_PipeOutputStream
+{
+public:
+    PLT_PipeOutputStreamPump(NPT_InputStreamReference& input, 
+                             NPT_Size                  size = 65535,
+                             NPT_Size                  max_bytes_to_read = 0);
+    virtual ~PLT_PipeOutputStreamPump();
+
+    NPT_Result Transmit(NPT_OutputStream& output);
+
+protected:
+    NPT_InputStreamReference    m_Input;
+    NPT_Size                    m_MaxBytesToRead;
+    NPT_Result                  m_LastRes;
+};
+
+
+#endif // _PLT_STREAM_PUMP_H_