/*

* 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 "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:

*

*/

#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& aDes)

	{

	_LIT(KErrOverflowMsg,"Descriptor Overflow, hence value truncated");

	if( aDes.MaxLength() >= KErrOverflowMsg().Length() + aDes.Length() )

     	aDes.Append(KErrOverflowMsg);

	}

class TTruncateOverflowHandler8 : public TDes8Overflow

	{

	public:

		virtual void Overflow( TDes8& aDes );

	};

inline void TTruncateOverflowHandler8::Overflow( TDes8& aDes)

	{

    _LIT(KErrOverflowMsg,"Descriptor Overflow, hence value truncated");

	if( aDes.MaxLength() >= KErrOverflowMsg().Length() + aDes.Length() )

     	aDes.Append(KErrOverflowMsg);

	}

namespace DSD

{

#ifdef _DEBUG

#ifdef _OMXIL_COMMON_DEBUG_TRACING_ON

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

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

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

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

#define DEBUG_PRINTF5(a, b, c, d, e) {DSD::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<1024> buffer;

	_LIT8(KSwiLogPrefix, "[vidsch] ");

	_LIT8(KSwiLineFileFormat, "TID[%d] : [%s:%d] -- ");

	buffer.Append(KSwiLogPrefix);

	RThread thread;

	TUint threadId = thread.Id();

	thread.Close();

	RProcess proc;

	TFileName fName = proc.FileName();

	proc.Close();

	buffer.AppendFormat(KSwiLineFileFormat, threadId, aFile, aLine);

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

	buffer.Append(_L8("\r\n"));

	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, "[vidsch] ");

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

	header.Append(KSwiLogPrefix);

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

	TBuf<1024> buffer;

	buffer.Copy(header);

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

	buffer.Append(_L("\r\n"));

	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

#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 DSD

#endif // __SWI_LOG_H__