/*
* 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:
*
*/
/**
@file
@internalTechnology
@released
*/
#ifndef __SISPTRPROVIDER_H__
#define __SISPTRPROVIDER_H__
namespace Swi
{
namespace Sis
{
/**
* @publishedPartner
* @released
*/
class TPtrProvider
{
public:
inline TPtrProvider(TPtr8 aDataSource, TUint aPos = 0);
inline TPtrC8 ReadL(TUint aLength);
private:
TPtr8 iDataSource;
TUint iPos;
};
inline TPtrProvider::TPtrProvider(TPtr8 aDataSource, TUint aPos)
: iDataSource(aDataSource), iPos(aPos)
{
}
inline TPtrC8 TPtrProvider::ReadL(TUint aLength)
{
if (aLength + iPos > iDataSource.Length())
{
User::Leave(KErrEof);
}
TPtrC8 ret(iDataSource.Mid(iPos, aLength));
iPos += aLength;
return ret;
}
} /* namespace Swi::Sis */
} /* namespace Swi */
#endif /* __SISPTRPROVIDER_H__ */