/*

* 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: 

*

*/

#include <RVPbkContactFieldDefaultPriorities.h>

#include <VPbkError.h>

#include <s32strm.h>

#include <s32mem.h>

// Priority array static data

namespace KPriorityArrayStatic

    {

    const TUint8 KArrayVersionNumber = 1;

    }

namespace KPriorityArrayExternalizeSizes

    {

    const TInt KVersionNumberSize = 1;

    const TInt KElementCountSize = 1;

    const TInt KElementSize = 1;

    }

namespace {

TInt DoCalculateBufferSize(const RVPbkContactFieldDefaultPriorities& aPriorities)

    {

    TInt bufferSize = KPriorityArrayExternalizeSizes::KVersionNumberSize;

    bufferSize += KPriorityArrayExternalizeSizes::KElementCountSize;

    bufferSize += aPriorities.Count() * KPriorityArrayExternalizeSizes::KElementSize;

    return bufferSize;

    }

void DoFillBuffer(RWriteStream& aWriteStream,

        const RVPbkContactFieldDefaultPriorities& aPriorities)

    {

    // Write version number

    aWriteStream.WriteUint8L(KPriorityArrayStatic::KArrayVersionNumber);

    // Write array element count to the stream

    aWriteStream.WriteUint8L(aPriorities.Count());

    // Write each element to the stream

    for (TInt i = 0; i < aPriorities.Count(); ++i)

        {

        aWriteStream.WriteUint8L(aPriorities.At(i));

        }

    }    

} /// unnamed namespace

/**

 * Default priority array pack format 1:

 * stream := VersionNumber ElementCount Element*

 * VersionNumber := TInt8

 * ElementCount := TInt8

 * Element := TInt8

 */

EXPORT_C HBufC8* RVPbkContactFieldDefaultPriorities::ExternalizeLC() const

    {

    const TInt bufferSize = DoCalculateBufferSize(*this);

    HBufC8* buffer = HBufC8::NewLC(bufferSize);

    TPtr8 bufPtr(buffer->Des());

    RDesWriteStream writeStream(bufPtr);

    writeStream.PushL();

    DoFillBuffer(writeStream, *this);

    writeStream.CommitL();

    CleanupStack::PopAndDestroy(&writeStream);

    return buffer;

    }

EXPORT_C void RVPbkContactFieldDefaultPriorities::InternalizeL

        (const TDesC8& aBuffer)

    {

    iDefaultTypes.Reset();

    RDesReadStream readStream(aBuffer);

    readStream.PushL();

    // Version number

    const TInt vsn = readStream.ReadUint8L();

    __ASSERT_ALWAYS(vsn == KPriorityArrayStatic::KArrayVersionNumber,

            VPbkError::Panic(VPbkError::EInvalidTypeParameter));

    // Read count of elements

    TInt count = readStream.ReadUint8L();

    // Read elements

    for (TInt i = 0; i < count; ++i)

        {

        TVPbkDefaultType type = (TVPbkDefaultType) readStream.ReadUint8L();

        User::LeaveIfError(iDefaultTypes.Append(type));

        }

    CleanupStack::PopAndDestroy(&readStream);

    }

// End of File