// Copyright (c) 2005-2009 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:

// ////////////////////////             HIpcStream                 ///////////////////////////////////////

// 

//

/**

 Initializes HIpcStream data members.

 @param aHost A pointer to the buffer with the stream data

 @param aReadPos The position data has to be read from

 @see HIpcStream::SynchL()

 @panic SqlDb 7 In _DEBUG mode. aHost is NULL.

*/

inline HIpcStream::HIpcStream(MStreamBuf* aHost, TInt aReadPos):

	iHost(*aHost),

	iRPos(aReadPos),

	iWPos(0)

	{

	__SQLASSERT(aHost != NULL, ESqlPanicInternalError);

	}

/**

Relases the stream buffer.

*/

inline HIpcStream::~HIpcStream()

	{

	iHost.Release();

	}

/**

@return The stream data size.

*/

inline TInt HIpcStream::SizeL()

	{

	return iHost.SizeL();

	}

/**

Synchronizes the stream data buffer with the stream.

@see HIpcStream::HIpcStream()

*/

inline void HIpcStream::SynchL()

	{

	iHost.SynchL();

	}

//////////////////////////////////////////////////////////////////////////////////////////////////////////

///////////////////////////             HIpcReadBuf                 //////////////////////////////////////

//////////////////////////////////////////////////////////////////////////////////////////////////////////

/**

Initializes HIpcReadBuf data members.

@param aDes Points to the data which will be accessed via HIpcReadBuf instance.

*/

inline HIpcReadBuf::HIpcReadBuf(const TDesC8& aDes)

	{

	TUint8* ptr = const_cast <TUint8*> (aDes.Ptr());

	Set(ptr, ptr + aDes.Length(), MStreamBuf::ERead);

	}

/**

Creates an instance of HIpcReadBuf class.

@param aDes Points to the data which will be accessed via HIpcReadBuf instance.

@return A pointer to the created HIpcReadBuf instance.

@leave KErrNoMemory, an out of memory condition has occured;

*/

inline HIpcReadBuf* HIpcReadBuf::NewL(const TDesC8& aDes)

	{

	return new (ELeave) HIpcReadBuf(aDes);

	}