--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Codec/inc/SIPHeaderLookup.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,120 @@
+/*
+* Copyright (c) 2004-2009 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          : SIPHeaderLookup.h
+* Part of       : SIP Codec
+* Version       : SIP/4.0 
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+
+#ifndef SIPHEADERLOOKUP_H
+#define SIPHEADERLOOKUP_H
+
+//  INCLUDES
+#include <e32std.h>
+#include <s32mem.h>
+#include "sipheaderbase.h"
+#include "_sipcodecdefs.h"
+
+// FORWARD DECLARATIONS
+class CSIPHeaderLookupTable;
+
+// CLASS DECLARATION
+/**
+* A class for generic header construction.
+*
+* @lib sipcodec.lib
+*/
+class SIPHeaderLookup
+	{
+	public:	// Constructors and destructor
+	
+		/**
+		* Opens a SIP header lookup. 
+		* Implemented with a reference count.
+		*/
+		IMPORT_C static void OpenL();
+
+		/**
+		* Closes a SIP header lookup.
+		* In other words decrements reference count and if it reaches
+		* zero, closes the header lookup.	 
+		* The user must not call Close() if it has not called OpenL().
+		*/
+		IMPORT_C static void Close();
+	
+
+	public: // New functions
+
+		/**
+		* Tells if a SIP header is supported as an explicit class.
+		* (Not only as an extension header).
+		* @param aName the name of the header
+		* @returns ETrue if a given header is supported, otherwise EFalse
+		*/
+		IMPORT_C static TBool IsSupported(RStringF aName);	
+	
+		/**
+		* Internalizes a header with a given name.
+		* @pre aHeaderName.Length()>0
+		* @param aName the name of the header
+		* @param aReadStream the stream from where to internalize
+		* @returns 0, if internalizing for the given header is not supported,
+		*          otherwise the internalized header.
+		*/
+		IMPORT_C static CSIPHeaderBase* 
+			InternalizeL(RStringF aName, RReadStream& aReadStream);
+
+		/**
+		* Checks if the header is part of the public SIP API as a non-extension.
+		* @param aName the name of the header
+		* @returns ETrue if supported, otherwise EFalse.
+		*/
+		IMPORT_C static TBool IsAPIHeader(RStringF aName);
+
+		/**
+		* Decodes SIP header(s).
+		* @pre aHeaderName.Length()>0
+		* @param aName the name. For example "To".
+		* @param aValue the value. For example "User <user@host>"
+		* @returns An array of headers. Note that the value parameter may contain
+		*          multiple comma separated header values for those SIP headers
+		*          that allow this format according to SIP BNF.
+		*/
+		IMPORT_C static RPointerArray<CSIPHeaderBase> 
+			CreateHeaderL(RStringF aName, const TDesC8& aValue);
+
+
+	public: // For internal use
+
+		IMPORT_C static void SetConvertToSIPURI(TBool aValue=ETrue);
+		static TBool ConvertToSIPURI();
+
+		
+	private: // New functions
+
+		static CSIPHeaderLookupTable* LookupTable();
+	};
+
+#endif // SIPHEADERLOOKUP_H
+
+// End of File