--- a/epoc32/include/sipheaderbase.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/sipheaderbase.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,193 @@
-sipheaderbase.h
+/*
+* 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+* which accompanies this distribution, and is available
+* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* Name        : sipheaderbase.h
+* Part of     : SIP Codec
+* Interface   : SDK API, SIP Codec API
+* Version     : SIP/4.0 
+*
+*/
+
+
+
+
+#ifndef CSIPHEADERBASE_H
+#define CSIPHEADERBASE_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <s32mem.h>
+#include <stringpool.h>
+#include "_sipcodecdefs.h"
+
+// CLASS DECLARATION
+/**
+* @publishedAll
+* @released
+*
+* Class provides a generic interface for all the SIP headers.
+*
+*  @lib sipcodec.lib
+*/
+class CSIPHeaderBase : public CBase
+	{
+	public: // Constructors and destructors
+
+		/**
+		* Destructor, deletes the resources of CSIPHeaderBase.
+		*/
+		IMPORT_C virtual ~CSIPHeaderBase();
+
+	
+	public: // New functions
+	
+		/**
+		* Creates a deep-copy of this CSIPHeaderBase object. 
+		* The function has to be implemented in each of the sub-classes.
+		* @return the deep-copied object, the ownership is transferred.
+		*/
+		IMPORT_C virtual CSIPHeaderBase* CloneL() const = 0;
+
+		/**
+		* Gets the full name of the header
+		* The function is implemented in each of the sub-classes.
+		* @return the full name of the header for example "From"
+		*/
+		IMPORT_C virtual RStringF Name() const = 0;
+
+		/**
+		* Encodes the header (name and value) into its textual representation.
+		* @return a textual representation of the complete header,
+		*         the ownership is transferred
+		*/
+		IMPORT_C HBufC8* ToTextL() const;
+
+		/**
+		* Encodes the header (name and value) into its textual representation
+		* and pushes it to the CleanupStack.
+		* @return a textual representation of the complete header,
+		*         the ownership is transferred
+		*/
+		IMPORT_C HBufC8* ToTextLC() const;
+
+		/**
+		* Encodes the header's value into its textual representation.
+		* @return a textual representation of the header's value,
+		*         the ownership is transferred
+		*/
+		IMPORT_C virtual HBufC8* ToTextValueL() const = 0;
+
+		/**
+		* Encodes the header's value into its textual representation
+		* and pushes it to the CleanupStack.
+		* @return a textual representation of the header's value,
+		*         the ownership is transferred
+		*/
+		IMPORT_C HBufC8* ToTextValueLC() const;
+
+		/**
+		* Writes the object to a RWriteStream
+		* @param aWriteStream a stream where the object is to be externalized
+		* @param aAddName if ETrue the name of the header is 
+		*        also written to the stream
+		*/
+		IMPORT_C void ExternalizeL(RWriteStream& aWriteStream,
+                                   TBool aAddName=ETrue) const;
+
+		/**
+		* Checks, if the header supports serialization.
+		* In practice all the headers part of the API support it.
+		* @return ETrue, if the header supports serialization, 
+		*         otherwise EFalse
+		*/
+		IMPORT_C virtual TBool ExternalizeSupported() const;
+
+		/**
+		* Can be used when a RPointerArray<CSIPHeaderBase> needs to be pushed
+		* to the CleanupStack for ResetAndDestroy.
+		* @param aArray an array of CSIPHeaderBase pointers, 
+		*        the ownership of the array is transferred
+		*/
+		IMPORT_C static void PushLC(RPointerArray<CSIPHeaderBase>* aArray);
+
+
+	public: // For internal use
+
+        /**
+        * @internalComponent
+        */
+		enum TPreferredPlace
+			{
+			ETop,
+			EMiddleTop,
+			EMiddle,
+			EMiddleBottom,
+			EBottom
+			};
+
+        /**
+        * @internalComponent
+        */	
+		TSglQueLink iLink;
+
+        /**
+        * @internalComponent
+        */
+		virtual TBool EncodeMultipleToOneLine() const;
+		
+        /**
+        * @internalComponent
+        */		
+		virtual TBool MoreThanOneAllowed() const;
+		
+        /**
+        * @internalComponent
+        */		
+		virtual TBool IsExtensionHeader() const;
+		
+        /**
+        * @internalComponent
+        */		
+		virtual TBool HasCompactName() const;
+		
+        /**
+        * @internalComponent
+        */		
+		virtual RStringF CompactName() const;
+		
+        /**
+        * @internalComponent
+        */		
+		virtual TPreferredPlace PreferredPlaceInMessage() const = 0;
+
+	protected: // Constructors
+
+		CSIPHeaderBase();
+
+	protected: // New functions
+
+		void ExternalizeNameL(RWriteStream& aWriteStream) const;
+		
+        /**
+        * @internalComponent
+        */		
+		virtual void ExternalizeValueL(RWriteStream& aWriteStream) const;
+		
+		// Needed for cleanup of a RPointerArray<CSIPHeaderBase>:
+		static void ResetAndDestroy(TAny* anArray);
+	};
+
+#endif // CSIPHEADERBASE_H
+
+// End of File