/*
* 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 the License "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: 
* Definition of the Swi::Sis::CIf
*
*/


/**
 @file sisif.cpp
*/

#include "sisif.h"
#include "sisexpression.h"
#include "sisinstallblock.h"
#include "siselseif.h"

using namespace Swi::Sis;

EXPORT_C /*static*/ CIf* CIf::NewLC(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
	{
	CIf* self = new(ELeave) CIf();
	CleanupStack::PushL(self);
	self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);
	return self;
	}

EXPORT_C /*static*/ CIf* CIf::NewL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
	{
	CIf* self = NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);
	CleanupStack::Pop(self);
	return self;
	}
	
EXPORT_C CIf* CIf::NewLC(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
	{
	CIf* self = new (ELeave) CIf;
	CleanupStack::PushL(self);
	self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);
	return self;
	}

EXPORT_C CIf* CIf::NewL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
	{
	CIf* self = CIf::NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);
	CleanupStack::Pop(self);
	return self;
	}

CIf::CIf()
	{
	}

EXPORT_C CIf::~CIf()
	{
	delete iExpression;
	delete iInstallBlock;
	iElseIfs.ResetAndDestroy();
	}

void CIf::ConstructL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
	{
	TInt64 fieldOffset = aBytesRead;
	
	CField::ConstructL(aDataProvider, EFieldTypeIf, aBytesRead, aTypeReadBehaviour);

	iExpression=CExpression::NewL(aDataProvider, aBytesRead);
	
	iInstallBlock=CInstallBlock::NewL(aDataProvider, aBytesRead);
	
	ReadMemberArrayL(aDataProvider, iElseIfs, EFieldTypeElseIf, aBytesRead);
	
	CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
	CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
	}
	
void CIf::ConstructL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
	{
	TInt64 fieldOffset = aBytesRead;
	
	CField::ConstructL(aDataProvider, EFieldTypeIf, aBytesRead, aTypeReadBehaviour);

	iExpression=CExpression::NewL(aDataProvider, aBytesRead);
	
	iInstallBlock=CInstallBlock::NewL(aDataProvider, aBytesRead);
	
	ReadMemberArrayL(aDataProvider, iElseIfs, EFieldTypeElseIf, aBytesRead);
	
	CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
	CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
	}