installationservices/swi/source/dataprovider/filesisdataprovider.cpp
changeset 0 ba25891c3a9e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swi/source/dataprovider/filesisdataprovider.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,102 @@
+/*
+* 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: 
+* Implementation of the CFileSisDataProvider
+*
+*/
+
+
+#include <f32file.h> 
+
+#include "filesisdataprovider.h"
+
+using namespace Swi;
+
+EXPORT_C CFileSisDataProvider* CFileSisDataProvider::NewL(RFs& aFs, const TFileName& aFileName, TInt aFileMode)
+	{
+	CFileSisDataProvider* self=CFileSisDataProvider::NewLC(aFs, aFileName, aFileMode);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+EXPORT_C CFileSisDataProvider* CFileSisDataProvider::NewLC(RFs& aFs, const TFileName& aFileName, TInt aFileMode)
+	{
+	CFileSisDataProvider* self=new(ELeave) CFileSisDataProvider(aFs);
+	CleanupStack::PushL(self);
+	self->ConstructL(aFileName, aFileMode);
+	return self;	
+	}
+
+EXPORT_C CFileSisDataProvider* CFileSisDataProvider::NewL(RFile& aFileHandle)
+	{
+	CFileSisDataProvider* self=CFileSisDataProvider::NewLC(aFileHandle);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+EXPORT_C CFileSisDataProvider* CFileSisDataProvider::NewLC(RFile& aFileHandle)
+	{
+	CFileSisDataProvider* self=new(ELeave) CFileSisDataProvider(aFileHandle);
+	CleanupStack::PushL(self);
+	return self;	
+	}
+
+CFileSisDataProvider::CFileSisDataProvider(RFs& aFs)
+	: iFs(aFs), iCloseHandle(ETrue)
+	{
+	}
+
+CFileSisDataProvider::CFileSisDataProvider(RFile& aFileHandle)
+	: iFile(aFileHandle), iCloseHandle(EFalse)
+	{
+	}
+
+void CFileSisDataProvider::ConstructL(const TFileName& aFileName, TInt aFileMode)
+	{
+	User::LeaveIfError(iFile.Open(iFs, aFileName, aFileMode)); 
+	}
+
+EXPORT_C CFileSisDataProvider::~CFileSisDataProvider()
+	{
+	if (iCloseHandle)
+		{
+		iFile.Close();
+		}
+	}
+
+// From MSisDataProvider
+
+EXPORT_C TInt CFileSisDataProvider::Read(TDes8& aDes)
+	{
+	return iFile.Read(aDes);
+	}
+
+EXPORT_C TInt CFileSisDataProvider::Read(TDes8& aDes, TInt aLength)
+	{
+	return iFile.Read(aDes, aLength);
+	}
+
+EXPORT_C TInt CFileSisDataProvider::Seek(TSeek aMode, TInt64& aPos)
+	{
+	if (aPos < TInt64(KMinTInt32) || TInt64(KMaxTInt32) < aPos)
+		{
+		return KErrNotSupported;
+		}
+
+	TInt pos=I64INT(aPos);
+	TInt32 err=iFile.Seek(aMode, pos);
+	aPos=pos;
+	return err;
+	}
+