--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Codec/src/CSIPFromToHeaderParams.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,153 @@
+// Copyright (c) 2005-2009 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          : CSIPFromToHeaderParams.cpp
+// Part of       : SIP Codec
+// Version       : SIP/4.0 
+//
+
+
+
+
+#include "CSIPFromToHeaderParams.h"
+#include "sipcodecerr.h"
+#include "SIPSyntaxCheck.h"
+#include "sipstrings.h"
+#include "sipstrconsts.h"
+
+
+// -----------------------------------------------------------------------------
+// CSIPFromToHeaderParams::NewL
+// -----------------------------------------------------------------------------
+//
+CSIPFromToHeaderParams* CSIPFromToHeaderParams::NewL(
+    const CSIPFromToHeaderParams& aParams)
+	{
+	CSIPFromToHeaderParams* self = CSIPFromToHeaderParams::NewLC (aParams);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPFromToHeaderParams::NewLC
+// -----------------------------------------------------------------------------
+//
+CSIPFromToHeaderParams* CSIPFromToHeaderParams::NewLC(
+    const CSIPFromToHeaderParams& aParams)
+	{
+	CSIPFromToHeaderParams* self = new(ELeave)CSIPFromToHeaderParams;
+	CleanupStack::PushL(self);
+	self->ConstructL(aParams);
+	return self;
+	}	
+
+// -----------------------------------------------------------------------------
+// CSIPFromToHeaderParams::CSIPFromToHeaderParams
+// -----------------------------------------------------------------------------
+//
+CSIPFromToHeaderParams::CSIPFromToHeaderParams ()
+ : CSIPParamContainerBase(';')
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPFromToHeaderParams::~CSIPFromToHeaderParams
+// -----------------------------------------------------------------------------
+//
+CSIPFromToHeaderParams::~CSIPFromToHeaderParams ()
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPFromToHeaderParams::operator==
+// -----------------------------------------------------------------------------
+//
+TBool CSIPFromToHeaderParams::operator==(
+    const CSIPFromToHeaderParams& aParams) const
+	{
+	// If a From/To-header has a "tag" parameter the other one
+	// has to have it too and their values must match. 
+	// The extension parameters must match only if they are present in both.
+	for (TInt i=0; i < iParams.Count(); i++)
+		{
+		RStringF name = iParams[i]->Name();
+		TInt index = aParams.FindParamIndex(name);
+		if (index >= 0)
+			{
+			if (!(*(aParams.iParams[index]) == *(iParams[i])))
+				{
+				return EFalse;
+				}
+			}
+		else
+			{
+			if (name == SIPStrings::StringF(SipStrConsts::ETag))
+				{
+				return EFalse;
+				}
+			}
+		}
+	for (TInt j=0; j < aParams.iParams.Count(); j++)
+		{
+		RStringF name = aParams.iParams[j]->Name();
+		TInt index = FindParamIndex(name);
+		if (index >= 0)
+			{
+			if (!(*(iParams[index]) == *(aParams.iParams[j])))
+				{
+				return EFalse;
+				}
+			}
+		else
+			{
+			if (name == SIPStrings::StringF(SipStrConsts::ETag))
+				{
+				return EFalse;
+				}
+			}
+		}
+	return ETrue;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPFromToHeaderParams::InternalizeL
+// -----------------------------------------------------------------------------
+//
+CSIPFromToHeaderParams* CSIPFromToHeaderParams::InternalizeL(
+    RReadStream& aReadStream)
+	{
+	CSIPFromToHeaderParams* self = new(ELeave)CSIPFromToHeaderParams;
+	CleanupStack::PushL(self);
+	self->DoInternalizeL(aReadStream);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPFromToHeaderParams::CheckParamL
+// -----------------------------------------------------------------------------
+//
+void CSIPFromToHeaderParams::CheckParamL(CSIPParam& aParam) const
+	{
+	// tag
+	if (aParam.Name() == SIPStrings::StringF(SipStrConsts::ETag))
+		{
+		if (!SIPSyntaxCheck::Token(aParam.Value().DesC()))
+			{
+			User::Leave(KErrSipCodecFromOrToParams);
+			}
+		return;
+		}
+    // generic-param
+    CheckGenericParamL(aParam, KErrSipCodecFromOrToParams);
+	}