diff -r 000000000000 -r 307788aac0a8 realtimenetprots/sipfw/SigComp/SigCompEngine/inc/MessageReader.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SigComp/SigCompEngine/inc/MessageReader.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,154 @@
+/*
+* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* Name        : MessageReader.h
+* Part of     : SigComp / dispatcher
+* Interface   : 
+* SigComp message reader
+* Version     : 1.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+
+#ifndef MESSAGEREADER_H
+#define MESSAGEREADER_H
+
+//  INCLUDES
+#include <e32base.h>
+
+
+// CLASS DECLARATION
+
+/**
+ * @brief Class for reading from sigcomp message.
+ * 
+ * @class CMessageReader messagereader.h "messagereader.h"
+ *
+ * This class is used for reading from sigcomp message with optional 
+ * record marker decoding as specified in RFC 3320, chapter 4.2.2
+ */
+
+class CMessageReader : public CBase
+    {
+    public:
+
+        /**
+         * Constructs object.
+         *
+         * @param aMessage message to be read
+         * @param aStreamBasedProtocol if ETrue, a message will be record
+         *                             marker decoded.
+         */
+
+        CMessageReader(const TDesC8& aMessage, TBool aStreamBasedProtocol);
+
+        /**
+         * Read one byte from message.
+         *
+         * @returns If the reading is successful, the value of readed
+         *          byte (0-255).
+         *          If the reading fails, a negative value indicating 
+         *          the cause of failure.
+         *          KErrEof if delimiter is reached, or KErrTooBig if 
+         *          end of buffer.
+         */
+
+        TInt ReadByte(TUint& aByte);
+
+        /**
+         * Read block of bytes from message.
+         *
+         * @param aBlock contains data read from the buffer; on exit, 
+         *               its Length() specifies the length of readed
+         *               (successful or failed) data.
+         * @param aLentgh specifies the amount of data to be read.
+         *
+         * @returns If the reading is successful, a KErrNone.
+         *          If the reading fails, a negative value indicating
+         *          the cause of failure.
+         *          KErrEof if delimiter is reached, or KErrTooBig if
+         *          end of buffer.
+         */
+
+        TInt ReadBlock(TDes8& aBlock, TInt aLength);
+
+        /**
+         * Read block of bytes from message.
+         *
+         * @param aBlock contains data read from the buffer; on call, 
+         *               its MaxLength()
+         *               specifies the amount of data to be read; on exit,
+         *               its Length() specifies the length of readed 
+         *               (successful or failed) data.
+         *
+         * @returns If the reading is successful, a KErrNone.
+         *          If the reading fails, a negative value indicating the 
+         *          cause of failure.
+         *          KErrEof if delimiter is reached, or KErrTooBig if end 
+         *          of buffer.
+         */
+
+        TInt ReadBlock(TDes8& aBlock);
+
+        /**
+         * Check if specified number of bytes is available in buffer.
+         *
+         * @param aLength number of bytes to check
+         *
+         * @returns If the specified number of bytes is available, a KErrNone.
+         *          If not, a negative value indicating the cause of failure.
+         *          KErrEof if delimiter is reached, or KErrTooBig if end of 
+         *          buffer.
+         */
+
+        TInt Avail(TInt aLength);
+
+        /**
+         * Get current position in message buffer.
+         *
+         * @returns position in message buffer.
+         */
+
+        TInt Pos();
+
+        /**
+         * If stream-based protocol, skip message delimiters.
+         *
+         * @param aDelToSkip number of delimiters to skip, default maximumm
+         *                   possible.
+         *
+         * @returns KErrNone if seccesfful, error code if failure.
+         */
+
+        TInt SkipDelimiters(TUint aDelToSkip=KMaxTUint32);
+
+    private:    // Data
+
+        TPtrC8 iMessage;
+        TBool iStreamBasedProtocol;
+        TInt iPos;
+        TInt iQuoteBytes;
+
+    };
+
+#endif
+            
+// End of File