// Copyright (c) 2008-2009 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:

//

// WARNING: This file contains some APIs which are internal and are subject

//          to change without noticed. Such APIs should therefore not be used

//          outside the Kernel and Hardware Services package.

//

#include <e32des8.h>

namespace Debug 

	{

	/**

	 * TByteStreamReader implementation

	 */

	/**

	 * Returns the next byte from the stream

	 * @return TUint8 byte requested

	 */

	inline TUint8 TByteStreamReader::ReadByte()

		{

		return iBuffer[iPos++];		

		}

	/**

	 * Returns the next short from the stream

	 * @return TUint16 short requested

	 */	

	inline TUint16 TByteStreamReader::ReadShort()

		{

		TUint8 b1 = ReadByte();

		TUint8 b2 = ReadByte();	

		return (TUint16)(b1 + (b2 << 8));	

		}

	/**

	 * Returns the next TUInt32 from the stream

	 * @return TUInt32 TUInt32 requested

	 */		

	inline TUint32 TByteStreamReader::ReadInt()

		{

		TUint16 s1 = ReadShort();

		TUint16 s2 = ReadShort();	

		return s1 + (s2 << 16);		

		}

	/**

	 * Returns the next TUInt64 from the stream

	 * @return TUInt64 TUInt64 requested

	 */		

	inline TUint64 TByteStreamReader::ReadInt64()

		{

		return  MAKE_TUINT64(ReadInt(), ReadInt()) ;

		}

	/**

	 * TByteStreamWriter implementation

	 */	

	/**

	 * Writes a short to the stream

	 * @param aValue Value to write to stream

	 */	

	inline void TByteStreamWriter::WriteShort(TUint16 aValue)

		{

		WriteByte((TUint8) aValue);

		WriteByte((TUint8) (aValue >> 8));		

		}

	/**

	 * Writes an int to the stream

	 * @param aValue Value to write to stream

	 */	

	inline void TByteStreamWriter::WriteInt(TUint32 aValue)

		{

		WriteByte((TUint8)aValue);

		WriteByte((TUint8) (aValue >> 8));		

		WriteByte((TUint8) (aValue >> 16));		

		WriteByte((TUint8) (aValue >> 24));				

		}

	/**

	 * Writes a 64 bit int to the stream

	 * @param aValue Value to write to stream

	 */		

	inline void TByteStreamWriter::WriteInt64(TUint64 aValue)

		{

		WriteInt(I64HIGH(aValue));

		WriteInt(I64LOW(aValue));			

		}

	/**

	 * Enables physical writing such that the physical writers DoPhysicalWrite

	 * method will be invoked upon a write. This may write to a given media

	 * as defined by the implementation of this method 

	 */		

	inline void TByteStreamWriter::EnablePhysicalWriting()

		{

		iPhysEnabled = ETrue;

		}

	/**

	 * Disables physical writing such that the physical writers DoPhysicalWrite

	 * method will not be invoked upon a write. 

	 */	

	inline void TByteStreamWriter::DisablePhysicalWriting()

		{

		iPhysEnabled = EFalse;

		}

	}

//eof