--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/CommonUtility/src/Pbk2IPCPackage.cpp	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,250 @@
+/*
+* Copyright (c) 2005-2007 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 Phonebook 2 generic IPC package.
+*
+*/
+
+
+// Phonebook 2
+#include "Pbk2IPCPackage.h"
+
+// System includes
+#include <barsread.h>
+#include <s32mem.h>
+
+// --------------------------------------------------------------------------
+// Package syntax
+// 1. Bit enumeration (EBuffer8Bit or EBuffer16Bit)
+// 2. Length of the buffer
+// 3. Data
+// --------------------------------------------------------------------------
+
+/// Unnamed namespace for local definitions
+namespace {
+
+const TInt KFormatSlotSize( 4 + 4 );
+const TInt KConvert16To8 = 2;
+
+enum TPanicCode
+    {
+    EInvalidArgument
+    };
+
+void Panic(TPanicCode aReason)
+    {
+    _LIT( KPanicText, "Pbk2IPCPackage" );
+    User::Panic( KPanicText, aReason );
+    }
+
+} /// namespace
+
+// --------------------------------------------------------------------------
+// Pbk2IPCPackage::ExternalizeL
+// --------------------------------------------------------------------------
+//
+EXPORT_C void Pbk2IPCPackage::ExternalizeL
+        ( HBufC8*& aBuffer, RDesWriteStream& aWriteStream )
+    {
+    if ( aBuffer )
+        {
+        aWriteStream.WriteUint32L( EBuffer8Bit );
+        aWriteStream.WriteUint32L( aBuffer->Length() );
+        aWriteStream.WriteL( *aBuffer );
+        }
+    else
+        {
+        aWriteStream.WriteUint32L( EBuffer8Bit );
+        aWriteStream.WriteUint32L( 0 );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// Pbk2IPCPackage::ExternalizeL
+// --------------------------------------------------------------------------
+//
+EXPORT_C void Pbk2IPCPackage::ExternalizeL
+        ( HBufC*& aBuffer, RDesWriteStream& aWriteStream )
+    {
+    if ( aBuffer )
+        {
+        aWriteStream.WriteUint32L( EBuffer16Bit );
+        aWriteStream.WriteUint32L( aBuffer->Length() );
+        aWriteStream.WriteL( *aBuffer );
+        }
+    else
+        {
+        aWriteStream.WriteUint32L( EBuffer16Bit );
+        aWriteStream.WriteUint32L( 0 );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// Pbk2IPCPackage::InternalizeL
+// --------------------------------------------------------------------------
+//
+EXPORT_C void Pbk2IPCPackage::InternalizeL
+        ( HBufC8*& aBuffer, RDesReadStream& aReadStream )
+    {
+    delete aBuffer;
+    aBuffer = NULL;
+
+    // Need to read, even we don't needed
+    TInt bit( aReadStream.ReadUint32L() );
+    TInt length( aReadStream.ReadUint32L() );
+    if ( length > 0 )
+        {
+        aBuffer = HBufC8::NewL( length );
+        TPtr8 ptr = aBuffer->Des();
+        aReadStream.ReadL( ptr, length );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// Pbk2IPCPackage::InternalizeL
+// --------------------------------------------------------------------------
+//
+EXPORT_C void Pbk2IPCPackage::InternalizeL
+        ( HBufC*& aBuffer, RDesReadStream& aReadStream )
+    {
+    delete aBuffer;
+    aBuffer = NULL;
+
+    // Need to read, even we don't needed
+    TInt bit( aReadStream.ReadUint32L() );
+    TInt length( aReadStream.ReadUint32L() );
+    if ( length > 0 )
+        {
+        aBuffer = HBufC::NewL( length );
+        TPtr ptr = aBuffer->Des();
+        aReadStream.ReadL( ptr ,length );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// Pbk2IPCPackage::InternalizeL
+// --------------------------------------------------------------------------
+//
+EXPORT_C void Pbk2IPCPackage::InternalizeL
+        ( HBufC8*& aBuffer, RDesReadStream& aReadStream,
+          const TInt aPosition )
+    {
+    delete aBuffer;
+    aBuffer = NULL;
+
+    // Read the non relevant parts of the package
+    FindPositionL( aReadStream, aPosition );
+
+    // Need to read, even we don't needed
+    TInt bit( aReadStream.ReadUint32L() );
+    TInt length( aReadStream.ReadUint32L() );
+    if ( length > 0 )
+        {
+        aBuffer = HBufC8::NewL( length );
+        TPtr8 ptr = aBuffer->Des();
+        aReadStream.ReadL( ptr, length );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// Pbk2IPCPackage::InternalizeL
+// --------------------------------------------------------------------------
+//
+EXPORT_C void Pbk2IPCPackage::InternalizeL
+        ( HBufC*& aBuffer, RDesReadStream& aReadStream,
+          const TInt aPosition )
+    {
+    delete aBuffer;
+    aBuffer = NULL;
+
+    // Read the non relevant parts of the package
+    FindPositionL( aReadStream, aPosition );
+
+    // Need to read, even we don't needed
+    TInt bit( aReadStream.ReadUint32L() );
+    TInt length( aReadStream.ReadUint32L() );
+    if ( length > 0 )
+        {
+        aBuffer = HBufC::NewL( length );
+        TPtr ptr = aBuffer->Des();
+        aReadStream.ReadL( ptr ,length );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// Pbk2IPCPackage::CountPackageSize
+// --------------------------------------------------------------------------
+//
+EXPORT_C TInt Pbk2IPCPackage::CountPackageSize( HBufC8* aBuffer )
+    {
+    TInt ret = KFormatSlotSize;
+
+    if ( aBuffer )
+        {
+        // See package syntax
+        ret = aBuffer->Length() + KFormatSlotSize;
+        }
+    return ret;
+    }
+
+// --------------------------------------------------------------------------
+// Pbk2IPCPackage::CountPackageSize
+// --------------------------------------------------------------------------
+//
+EXPORT_C TInt Pbk2IPCPackage::CountPackageSize( HBufC* aBuffer )
+    {
+    TInt ret = KFormatSlotSize;
+    if ( aBuffer )
+        {
+        // See package syntax
+        ret = aBuffer->Length()*KConvert16To8 + KFormatSlotSize;
+        }
+    return ret;
+    }
+
+// --------------------------------------------------------------------------
+// Pbk2IPCPackage::FindPositionL
+// Reads the non relevant parts of the package.
+// @param aReadStream   The stream to read from.
+// @param aPosition     The position where to read.
+// --------------------------------------------------------------------------
+//
+void Pbk2IPCPackage::FindPositionL
+        ( RDesReadStream& aReadStream, const TInt aPosition )
+    {
+    for ( TInt i=0; i < aPosition; ++i )
+        {
+        TInt bit = aReadStream.ReadUint32L();
+        switch ( bit )
+            {
+            case EBuffer8Bit:
+                {
+                TInt dummyLength = aReadStream.ReadUint32L();
+                aReadStream.ReadL(dummyLength);
+                break;
+                }
+            case EBuffer16Bit:
+                {
+                TInt dummyLength = aReadStream.ReadUint32L()*KConvert16To8;
+                aReadStream.ReadL(dummyLength);
+                break;
+                }
+            default:
+                {
+                Panic( EInvalidArgument );
+                }
+            };
+        }
+    }
+
+// End of File