--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines/VirtualPhonebook/VPbkEngUtils/src/VPbkIPCPackage.cpp	Wed Sep 01 12:29:52 2010 +0100
@@ -0,0 +1,197 @@
+/*
+* Copyright (c) 2004-2007 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: 
+*     Implements Virtual Phonebook generic IPC package.
+*
+*/
+
+
+#include "VPbkIPCPackage.h"
+
+// System includes
+#include <barsread.h>
+#include <s32mem.h>
+
+/// Unnamed namespace for local definitions
+namespace {
+
+const TInt KNumberSize = 4;
+const TInt KEmpty = 0;
+const TInt KDouble = 2;
+
+} /// namespace
+
+namespace VPbkEngUtils {
+
+// --------------------------------------------------------------------------
+// VPbkIPCPackage::ExternalizeL
+// --------------------------------------------------------------------------
+//  
+EXPORT_C void VPbkIPCPackage::ExternalizeL( 
+        const TDesC8* aBuffer, 
+        RDesWriteStream& aWriteStream )
+    {
+    if ( aBuffer )
+        {        
+        aWriteStream.WriteUint32L( aBuffer->Length() );
+        aWriteStream.WriteL( *aBuffer );                
+        }
+    else
+        {
+        aWriteStream.WriteUint32L( KEmpty );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// VPbkIPCPackage::ExternalizeL
+// --------------------------------------------------------------------------
+//     
+EXPORT_C void VPbkIPCPackage::ExternalizeL( 
+        const TDesC* aBuffer, 
+        RDesWriteStream& aWriteStream )
+    {
+    if ( aBuffer )
+        {        
+        aWriteStream.WriteUint32L( aBuffer->Length() );
+        aWriteStream.WriteL( *aBuffer );                
+        }
+    else
+        {
+        aWriteStream.WriteUint32L( KEmpty );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// VPbkIPCPackage::InternalizeL
+// --------------------------------------------------------------------------
+// 
+EXPORT_C void VPbkIPCPackage::InternalizeL( 
+        HBufC8*& aBuffer, 
+        RDesReadStream& aReadStream )
+    {
+    delete aBuffer;
+    aBuffer = NULL;   
+    
+    TInt length( aReadStream.ReadUint32L() );    
+    if ( length > 0 )
+        {
+        aBuffer = HBufC8::NewL( length );        
+        TPtr8 ptr = aBuffer->Des();
+        aReadStream.ReadL( ptr ,length );
+        }      
+    }
+ 
+// --------------------------------------------------------------------------
+// VPbkIPCPackage::InternalizeL
+// --------------------------------------------------------------------------
+//     
+EXPORT_C void VPbkIPCPackage::InternalizeL( 
+        HBufC*& aBuffer, 
+        RDesReadStream& aReadStream )    
+    {
+    delete aBuffer;
+    aBuffer = NULL;
+    
+    TInt length( aReadStream.ReadUint32L() );
+    if ( length > 0 )
+        {
+        aBuffer = HBufC::NewL( length );        
+        TPtr ptr = aBuffer->Des();
+        aReadStream.ReadL( ptr ,length );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// VPbkIPCPackage::InternalizeL
+// --------------------------------------------------------------------------
+// 
+EXPORT_C void VPbkIPCPackage::InternalizeL
+        ( HBufC8*& aBuffer, RDesReadStream& aReadStream,
+          const TInt aPosition )
+    {
+    delete aBuffer;
+    aBuffer = NULL;   
+
+    // Read the non relevant parts of the package
+    for ( TInt i=0; i < aPosition; ++ i )
+        {
+        TInt dummyLength = aReadStream.ReadUint32L();
+        aReadStream.ReadL(dummyLength);
+        }
+    
+    TInt length( aReadStream.ReadUint32L() );    
+    if ( length > 0 )
+        {
+        aBuffer = HBufC8::NewL( length );        
+        TPtr8 ptr = aBuffer->Des();
+        aReadStream.ReadL( ptr ,length );
+        }      
+    }
+ 
+// --------------------------------------------------------------------------
+// VPbkIPCPackage::InternalizeL
+// --------------------------------------------------------------------------
+//     
+EXPORT_C void VPbkIPCPackage::InternalizeL
+        ( HBufC*& aBuffer,  RDesReadStream& aReadStream,
+          const TInt aPosition )
+    {
+    delete aBuffer;
+    aBuffer = NULL;
+
+    // Read the non relevant parts of the package
+    for ( TInt i=0; i < aPosition; ++ i )
+        {
+        TInt dummyLength = aReadStream.ReadUint32L();
+        aReadStream.ReadL(dummyLength);
+        }
+    
+    TInt length( aReadStream.ReadUint32L() );
+    if ( length > 0 )
+        {
+        aBuffer = HBufC::NewL( length );        
+        TPtr ptr = aBuffer->Des();
+        aReadStream.ReadL( ptr ,length );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// VPbkIPCPackage::CountPackageSize
+// --------------------------------------------------------------------------
+//
+EXPORT_C TInt VPbkIPCPackage::CountPackageSize( const TDesC8* aBuffer )
+    {
+    if ( aBuffer )
+        {        
+        return aBuffer->Length() + KNumberSize;
+        }
+    return KNumberSize;        
+    }
+
+// --------------------------------------------------------------------------
+// VPbkIPCPackage::CountPackagesLength
+// --------------------------------------------------------------------------
+//    
+EXPORT_C TInt VPbkIPCPackage::CountPackageSize( const TDesC* aBuffer )
+    {
+    if ( aBuffer )
+        { 
+        return aBuffer->Length()*KDouble + KNumberSize;
+        }
+    return KNumberSize;        
+    }
+
+} /// namespace
+
+// End of File