/*

* 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: 

* Print functions used in debug mode 

*

*/

/**

 @file 

 @internalComponent 

*/

#ifndef __SWI_LOG_H__

#define __SWI_LOG_H__

#include <e32debug.h>

class TTruncateOverflowHandler16 : public TDes16Overflow

	{

	public:

		virtual void Overflow(TDes16& aDes);

	};

inline void TTruncateOverflowHandler16::Overflow(TDes16&)

	{

	}

class TTruncateOverflowHandler8 : public TDes8Overflow

	{

	public:

		virtual void Overflow(TDes8& aDes);

	};

inline void TTruncateOverflowHandler8::Overflow(TDes8&)

	{

	}

namespace Swi

{

#ifdef _DEBUG

#define DEBUG_PRINTF(a) {Swi::DebugPrintf(__LINE__, __FILE__, a);}

#define DEBUG_PRINTF2(a, b) {Swi::DebugPrintf(__LINE__, __FILE__, a, b);}

#define DEBUG_PRINTF3(a, b, c) {Swi::DebugPrintf(__LINE__, __FILE__, a, b, c);}

#define DEBUG_PRINTF4(a, b, c, d) {Swi::DebugPrintf(__LINE__, __FILE__, a, b, c, d);}

#define DEBUG_PRINTF5(a, b, c, d, e) {Swi::DebugPrintf(__LINE__, __FILE__, a, b, c, d, e);}

#define DEBUG_CODE_SECTION(a) TRAP_IGNORE({ a; }) 

// UTF-8 overload of the DebufPrintf method. Should be used by default,

// since it's cheaper both in CPU cycles and stack space.

inline void DebugPrintf(TInt aLine, char* aFile, TRefByValue<const TDesC8> aFormat, ...)

	{

	TTruncateOverflowHandler8 overflowHandler8;

	VA_LIST list;

	VA_START(list, aFormat);

	TTime now;

	now.HomeTime();

	TBuf8<512> buffer;

	_LIT8(KSwiLogPrefix, "[SWI] ");

	_LIT8(KSwiLineFileFormat, "%Ld Line: % 5d, File: %s -- ");

	buffer.Append(KSwiLogPrefix);

	buffer.AppendFormat(KSwiLineFileFormat, now.Int64(), aLine, aFile);

	buffer.AppendFormatList(aFormat, list, &overflowHandler8);

	_LIT8(KSwiMsgEnd, "\r\n");

	if(buffer.MaxLength() >= (buffer.Length() + KSwiMsgEnd().Length()))

		{

		buffer.Append(KSwiMsgEnd);

		}

	RDebug::RawPrint(buffer);

	VA_END(list);

	}

// Unicode DebufPrintf overload

inline void DebugPrintf(TInt aLine, char* aFile, TRefByValue<const TDesC16> aFormat, ...)

	{

	TTruncateOverflowHandler16 overflowHandler16;

	VA_LIST list;

	VA_START(list, aFormat);

	TTime now;

	now.HomeTime();

	TBuf8<256> header;

	_LIT8(KSwiLogPrefix, "[SWI] ");

	_LIT8(KSwiLineFileFormat, "%Ld Line: % 5d, File: %s -- ");

	header.Append(KSwiLogPrefix);

	header.AppendFormat(KSwiLineFileFormat, now.Int64(), aLine, aFile);

	TBuf<256> buffer;

	buffer.Copy(header);

	buffer.AppendFormatList(aFormat, list , &overflowHandler16);

	_LIT(KSwiMsgEnd, "\r\n");

	if(buffer.MaxLength() >= (buffer.Length() + KSwiMsgEnd().Length()))

		{

		buffer.Append(KSwiMsgEnd);

		}

	RDebug::RawPrint(buffer);

	VA_END(list);

	}

#else

#define DEBUG_PRINTF(a)

#define DEBUG_PRINTF2(a, b)

#define DEBUG_PRINTF3(a, b, c)

#define DEBUG_PRINTF4(a, b, c, d)

#define DEBUG_PRINTF5(a, b, c, d, e)

#define DEBUG_CODE_SECTION(a)

#endif

} // namespace Swi

#endif // __SWI_LOG_H__