/*

* Copyright (c) 2006 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:  This class provide API to read resource from resource file

*

*/

// INCLUDE FILES

#include <barsread.h>

#include <mpxuser.h>

#include <mpxlog.h>

#include "mpxresource.h"

// ============================ MEMBER FUNCTIONS ==============================

// ----------------------------------------------------------------------------

// Factory function

// ----------------------------------------------------------------------------

//

CMPXResource* CMPXResource::NewL(const TDesC& aResourceFile)

    {

    CMPXResource* resObj = NewLC(aResourceFile);

    CleanupStack::Pop(resObj);

    return resObj;

    }

// ----------------------------------------------------------------------------

// Factory function

// ----------------------------------------------------------------------------

//

CMPXResource* CMPXResource::NewLC(const TDesC& aResourceFile)

    {

    MPX_DEBUG1("CMPXResource::NewLC");

    CMPXResource* self = new (ELeave) CMPXResource();

    CleanupStack::PushL (self);

    self->ConstructL(aResourceFile);

    return self;

    }

// ----------------------------------------------------------------------------

// Decrements the reference count, and delete the object if it is 0

// ----------------------------------------------------------------------------

//

void CMPXResource::Release()

    {

    delete this;

    }

// ----------------------------------------------------------------------------

// C++ default constructor can NOT contain any code, that might leave

// ----------------------------------------------------------------------------

//

CMPXResource::CMPXResource()

    {

    }

// ----------------------------------------------------------------------------

// Contruct the object

// ----------------------------------------------------------------------------

//

void CMPXResource::ConstructL(const TDesC& aResourceFile)

    {

    // In order to support installation of individual plugin.

    // aResourceFile must be a final name.

    // All parse should be done in the plugin side.

    MPX_DEBUG1("CMPXResource::ConstructL");

    User::LeaveIfError(iFs.Connect());

    MPX_DEBUG2("Open resource file %S", &aResourceFile);

    iResourceFile.OpenL(iFs, aResourceFile);

    iResourceFile.ConfirmSignatureL(0);

    MPX_DEBUG1("CMPXResource::ConstructL End");

    }

// ----------------------------------------------------------------------------

// Destructor

// ----------------------------------------------------------------------------

//

CMPXResource::~CMPXResource()

    {

    iResourceFile.Close();

    iFs.Close();

    }

// ----------------------------------------------------------------------------

// Read array of descriptors

// ----------------------------------------------------------------------------

//

CDesCArrayFlat* CMPXResource::ReadDesCArrayL(TInt aResourceId)

    {

    CDesCArrayFlat* descArray = ReadDesCArrayLC(aResourceId);

    CleanupStack::Pop(descArray);

    return descArray;

    }

// ----------------------------------------------------------------------------

// Read array of descriptors, leave on cleanup stack

// ----------------------------------------------------------------------------

//

CDesCArrayFlat* CMPXResource::ReadDesCArrayLC(TInt aResourceId)

    {

    //MPX_DEBUG1("CMPXResource::ReadDesCArrayLC");

    TResourceReader resReader;

    HBufC8* readBuffer = iResourceFile.AllocReadLC(aResourceId);

    resReader.SetBuffer(readBuffer);

    CDesCArrayFlat* descArray = resReader.ReadDesCArrayL();

    CleanupStack::PopAndDestroy(readBuffer);

    //MPX_DEBUG1("CMPXResource::ReadDesCArrayLC End");

    CleanupStack::PushL(descArray);

    return descArray;

    }

// ----------------------------------------------------------------------------

// Get a heap descriptor from the resource file

// ----------------------------------------------------------------------------

//

HBufC* CMPXResource::ReadHBufCL(TInt aResourceId)

    {

    //MPX_DEBUG1("CMPXResource::ReadHBufCL");

    HBufC8* readBuffer = iResourceFile.AllocReadLC(aResourceId);

    TResourceReader resReader;

    resReader.SetBuffer(readBuffer);

    //resource type has to be LBUF

    HBufC* hbuf = resReader.ReadHBufCL();

    CleanupStack::PopAndDestroy(readBuffer);

    return hbuf;

    }

// ----------------------------------------------------------------------------

// Read array of menu items

// ----------------------------------------------------------------------------

//

CDesCArrayFlat* CMPXResource::ReadMenuArrayL(TInt aResourceId, RArray<TInt>& aIdArray)

    {

    CDesCArrayFlat* menuArray = ReadMenuArrayLC(aResourceId, aIdArray);

    CleanupStack::Pop(menuArray);

    return menuArray;

    }

// ----------------------------------------------------------------------------

// Read array of menu items, leave on cleanup stack

// ----------------------------------------------------------------------------

//

CDesCArrayFlat* CMPXResource::ReadMenuArrayLC(TInt aResourceId, RArray<TInt>& aIdArray)

    {

    //MPX_DEBUG1("CMPXResource::ReadMenuArrayLC");

    TResourceReader resReader;

    HBufC8* readBuffer = iResourceFile.AllocReadLC(aResourceId);

    resReader.SetBuffer(readBuffer);

    TInt count(resReader.ReadInt16());

    CDesCArrayFlat* descArray = new (ELeave) CDesCArrayFlat(count); ;

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

        {

        aIdArray.AppendL (resReader.ReadInt32());

        HBufC* hbuf = resReader.ReadHBufCL();

        CleanupStack::PushL(hbuf);

        descArray->AppendL (*hbuf);

        CleanupStack::PopAndDestroy(hbuf);

        }

    CleanupStack::PopAndDestroy(readBuffer);

    //MPX_DEBUG1("CMPXResource::ReadDesCArrayLC End");

    CleanupStack::PushL(descArray);

    return descArray;

    }

// End of File