--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Codec/src/SIPCodecUtils.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,153 @@
+// 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          : SIPCodecUtils.cpp
+// Part of       : SIP Codec
+// Version       : SIP/4.0 
+//
+
+
+
+#include "sipcodecutils.h"
+#include "siprouteheader.h"
+#include "siprecordrouteheader.h"
+#include "sipaddress.h"
+#include "SIPSyntaxCheck.h"
+#include "sipstrings.h"
+#include "_sipcodecdefs.h"
+
+// -----------------------------------------------------------------------------
+// SIPCodecUtils::SIPCodecUtils
+// -----------------------------------------------------------------------------
+//
+SIPCodecUtils::SIPCodecUtils()
+	{	
+	}
+
+// -----------------------------------------------------------------------------
+// SIPCodecUtils::CreateRouteHeaderLC
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSIPRouteHeader* 
+SIPCodecUtils::CreateRouteHeaderLC(const CSIPRouteHeaderBase& aHeader)
+	{
+	CSIPRouteHeader* header = CSIPRouteHeader::NewL(aHeader);
+	CleanupStack::PushL(header);
+	return header;
+	}
+			
+// -----------------------------------------------------------------------------
+// SIPCodecUtils::CopyRecordRouteHeaderLC
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSIPRecordRouteHeader* 
+SIPCodecUtils::CreateRecordRouteHeaderLC(const CSIPRouteHeaderBase& aHeader)
+	{
+	CSIPRecordRouteHeader* header = CSIPRecordRouteHeader::NewL(aHeader);
+	CleanupStack::PushL(header);
+	return header;
+	}
+
+// -----------------------------------------------------------------------------
+// SIPCodecUtils::CreateSIPAddressLC
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSIPAddress* SIPCodecUtils::CreateSIPAddressLC(CURIContainer* aURI)
+    {
+    return CSIPAddress::NewLC(aURI);
+    }
+
+// -----------------------------------------------------------------------------
+// SIPCodecUtils::CheckAndCreateTokenL
+// -----------------------------------------------------------------------------
+//
+RStringF 
+SIPCodecUtils::CheckAndCreateTokenL(const TDesC8& aToken, TInt aLeaveCode)
+    {
+	HBufC8* tmp = aToken.AllocLC();
+	tmp->Des().Trim();
+	if (!SIPSyntaxCheck::Token(*tmp))
+		{
+		User::Leave(aLeaveCode);
+		}
+	RStringF tmpString = SIPStrings::Pool().OpenFStringL(*tmp);
+	CleanupStack::PopAndDestroy(tmp);		
+    return tmpString;
+    }
+
+// -----------------------------------------------------------------------------
+// SIPCodecUtils::ValueWithoutQuotes
+// -----------------------------------------------------------------------------
+//
+TInt SIPCodecUtils::ValueWithoutQuotes(
+    const TDesC8& aValue,
+    TPtrC8& aWithoutQuotes)
+    {
+    if (aValue.Length() > 0)
+        {
+        TLex8 lex(aValue);
+        lex.SkipSpace();
+        if (lex.Get() == '"')
+            {
+            // Remove first quote
+            TPtrC8 remainder(aValue.Mid(1));
+            // Ensure that ending quote exists.
+            if(remainder.LocateReverse('"') != (remainder.Length()-1))
+                {
+                return KErrArgument;
+                }
+	        aWithoutQuotes.Set(remainder.Left(remainder.Length()-1));
+            }
+        else
+            {
+            return KErrArgument;
+            }
+        }
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// SIPCodecUtils::CheckAndSetValueL
+// -----------------------------------------------------------------------------
+//
+void SIPCodecUtils::CheckAndSetValueL(HBufC8*& aBuffer, 
+                                      const TDesC8& aValue, 
+                                      TInt aErr)
+    {
+	HBufC8* tmp = aValue.AllocLC();
+	tmp->Des().Trim();
+	if (!SIPSyntaxCheck::Token(*tmp))
+		{
+		User::Leave(aErr);
+		}
+	CleanupStack::Pop(tmp);
+	delete aBuffer;
+	aBuffer = tmp;
+    }
+
+// -----------------------------------------------------------------------------
+// SIPCodecUtils::ReadDescFromStreamL
+// -----------------------------------------------------------------------------
+//
+HBufC8* SIPCodecUtils::ReadDescFromStreamL(RReadStream& aReadStream)
+    {
+	TUint32 valueLength = aReadStream.ReadUint32L();
+	HBufC8* buf = HBufC8::NewLC(valueLength);
+    if(valueLength > 0)
+        {
+	    TPtr8 value(buf->Des());
+	    aReadStream.ReadL(value,valueLength);
+        }
+    CleanupStack::Pop(buf);
+    return buf;
+    }