installationservices/swi/source/sisfile/sisblob.cpp
changeset 0 ba25891c3a9e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swi/source/sisfile/sisblob.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,100 @@
+/*
+* 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::CBlob
+*
+*/
+
+
+#include <e32def.h>
+#include "sisblob.h"
+#include "sisfieldtypes.h"
+
+using namespace Swi::Sis;
+
+EXPORT_C /*static*/ CBlob* CBlob::NewLC(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+	{
+	CBlob* self = new(ELeave) CBlob();
+	CleanupStack::PushL(self);
+	self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);
+	return self;
+	}
+
+EXPORT_C /*static*/ CBlob* CBlob::NewL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+	{
+	CBlob* self = NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);
+	CleanupStack::Pop(self);
+	return self;
+	}
+	
+EXPORT_C CBlob* CBlob::NewLC(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+	{
+	CBlob* self = new (ELeave) CBlob;
+	CleanupStack::PushL(self);
+	self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);
+	return self;
+	}
+
+EXPORT_C CBlob* CBlob::NewL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+	{
+	CBlob* self = CBlob::NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CBlob::CBlob()
+	{
+	}
+
+EXPORT_C CBlob::~CBlob()
+	{
+	delete iData;
+	}
+
+void CBlob::ConstructL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+	{
+	TInt64 fieldOffset = aBytesRead;
+	
+	CField::ConstructL(aDataProvider, EFieldTypeBlob, aBytesRead, aTypeReadBehaviour);
+
+	if ((Length() >= KMaxTInt / 2)||(Length() < 0))
+		{
+		User::Leave(KErrSISFieldLengthInvalid);
+		}
+	iData= HBufC8::NewMaxL(I64INT(Length()));
+	
+	TPtr8 p(iData->Des());
+	CField::CheckedReadL(aDataProvider, p, aBytesRead);
+	iDataPtr.Set(*iData);
+	
+	CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
+	CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
+	}
+
+void CBlob::ConstructL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+	{
+	TInt64 fieldOffset = aBytesRead;
+	
+	CField::ConstructL(aDataProvider, EFieldTypeBlob, aBytesRead, aTypeReadBehaviour);
+
+	if ((Length() >= KMaxTInt / 2)||(Length() < 0))
+		{
+		User::Leave(KErrSISFieldLengthInvalid);
+		}
+	iDataPtr.Set(aDataProvider.ReadL(I64INT(Length())));
+	aBytesRead += I64INT(Length());
+	
+	CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
+	CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
+	}