--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/Codec/src/SIPStrings.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,131 @@
+// 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          : SIPStrings.cpp
+// Part of       : SIP Codec
+// Version       : SIP/4.0 
+//
+
+
+
+#include "sipstrings.h"
+#include "CSIPCodecTlsPtrs.h"
+#include "CSIPStrings.h"
+#include "sipstrconsts.h"
+#include "_sipcodecdefs.h"
+
+
+// -----------------------------------------------------------------------------
+// SIPStrings::OpenL
+// Opens stringpool owner, leaves if one already exists in TLS
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void SIPStrings::OpenL()
+	{
+	CSIPCodecTlsPtrs* tlsPtrs = static_cast<CSIPCodecTlsPtrs*>( Dll::Tls() );
+	if( !tlsPtrs )
+		{
+		CSIPStrings* strings = CSIPStrings::NewL();
+        CleanupStack::PushL( strings );
+		tlsPtrs = new(ELeave)CSIPCodecTlsPtrs( strings );
+		CleanupStack::Pop( strings );
+		CleanupStack::PushL( tlsPtrs );
+		User::LeaveIfError( Dll::SetTls( tlsPtrs ) );
+		CleanupStack::Pop( tlsPtrs );
+		}
+	else
+		{
+		CSIPStrings* strings = tlsPtrs->iStrings;
+		// SIPHeaderLookup cannot have created the tls, 
+		// since SIPHeaderLookup is depended on SIPStrings		
+		__ASSERT_ALWAYS( strings, 
+		                User::Panic( KNullDesC, KErrAlreadyExists ));
+		strings->IncrementUsageCount();
+		}
+	}
+
+// -----------------------------------------------------------------------------
+// SIPStrings::Close
+// Closes & deletes string pool
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void SIPStrings::Close()
+	{
+	CSIPCodecTlsPtrs* tlsPtrs = static_cast<CSIPCodecTlsPtrs*>( Dll::Tls() );
+	if ( !tlsPtrs )
+        {
+        return;
+        }
+    CSIPStrings* strings = tlsPtrs->iStrings;
+    // SIPStrings must be always Closed after SIPHeaderLookup,
+    // since SIPHeaderLookup depends on SIPStrings
+ 	__ASSERT_ALWAYS( strings, User::Panic( KNullDesC, KErrNotFound ));
+    strings->DecrementUsageCount();
+    if ( strings->UsageCount() == 0 )
+    	{ 
+		if ( !tlsPtrs->iHeaderLookup )
+			{
+			delete tlsPtrs;
+			Dll::FreeTls();
+			}
+		else
+			{
+			tlsPtrs->DestroyStrings();
+			}
+    	}
+	}
+	
+// -----------------------------------------------------------------------------
+// SIPStrings::StringF
+// -----------------------------------------------------------------------------
+//
+EXPORT_C RStringF SIPStrings::StringF( TInt aIndex )
+	{
+	CSIPStrings* strings = Strings();	              	
+	return strings->Pool().StringF( aIndex, strings->Table() );
+	}
+
+// -----------------------------------------------------------------------------
+// SIPStrings::StringPool
+// Returns string pool
+// -----------------------------------------------------------------------------
+//
+EXPORT_C RStringPool SIPStrings::Pool()
+    {
+	return Strings()->Pool();
+    }
+
+// -----------------------------------------------------------------------------
+// SIPStrings::StringTableL
+// Returns string table
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const TStringTable& SIPStrings::Table()
+    {
+	return Strings()->Table();
+    }
+    
+// -----------------------------------------------------------------------------
+// SIPStrings::Strings
+// -----------------------------------------------------------------------------
+//    
+CSIPStrings* SIPStrings::Strings()
+	{
+	CSIPCodecTlsPtrs* tlsPtrs = static_cast<CSIPCodecTlsPtrs*>( Dll::Tls() );	
+    __ASSERT_ALWAYS( tlsPtrs, User::Panic( KNullDesC, KErrNotReady ) );	
+	
+    CSIPStrings* strings = tlsPtrs->iStrings;
+    __ASSERT_ALWAYS( strings, User::Panic( KNullDesC, KErrNotReady ) );
+    
+    return strings;
+	}