// 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 "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 testlog.h

*/

#include "testlog.h"

_LIT(KLineNumber, " line %d ");

#ifdef _WIN32

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

#else

_LIT(KLineEnd, "\n");

#endif

CTestLog* CTestLog::NewLC(RFs& aFsSession, TPtrC aFilename, TInt aDebugOn, CConsoleBase* aConsole)

	{

	CTestLog* fd = new (ELeave) CTestLog;

	CleanupStack::PushL(fd);

	fd->ConstructL(aFsSession, aFilename, aDebugOn, aConsole);

	return fd;

	}

CTestLog::~CTestLog()

	{

	iFile.Close();

	iInitialised = EFalse;

	}

void CTestLog::ConstructL(RFs &aFsSession, TPtrC aFilename, TInt aDebugOn, CConsoleBase* aConsole)

/**

Opens the output file

@param aFsSession A session with the file server

@param aFilename

@param aDebugOn

@param aConsole

*/

	{

	if (iErr.Evaluate(iFile.Replace(aFsSession, aFilename, EFileShareAny|EFileStream|EFileWrite)))

		{

		iDebug = aDebugOn;

		iConsole = aConsole;

		iInitialised = ETrue;

		}

	}

void CTestLog::WriteErrorMessage(const TPtrC &aMessage)

/**

Writes a message to the file

@param aMessage The error message 

*/

	{

	_LIT(KWriteErrorStr,"ERROR - %S\r\n");

	if (iInitialised && aMessage.Length() && aMessage.Length() < (MAX_BUF_LENGTH))

		{

		iBuf.Format(KWriteErrorStr,

			&aMessage);

		WriteBufferToFile(iBuf, iFile);

		}

	}

void CTestLog::Msg(TPtrC aText, ...)

	{

	if (iInitialised && aText.Length() && aText.Length() < MAX_BUF_LENGTH)

		{

		VA_LIST list;

		VA_START(list, aText);

		iBuf.FormatList(aText, list);

		iBuf.Append(KLineEnd);

		if (iConsole)

			iConsole->Printf(iBuf);

		WriteBufferToFile(iBuf, iFile);

		VA_END(list);

		}

	}

void CTestLog::Dbg(TPtrC aText, ...)

	{

	if (iInitialised && iDebug && aText.Length() && aText.Length() < MAX_BUF_LENGTH)

		{

		VA_LIST list;

		VA_START(list, aText);

		iBuf.FormatList(aText, list);

		iBuf.Append(KLineEnd);

		if (iConsole)

			iConsole->Printf(iBuf);

		WriteBufferToFile(iBuf, iFile);

		VA_END(list);

		}

	}

void CTestLog::DiagPrint(const TText8* aFile, TInt aLine, TPtrC aSeverity, TPtrC aText, ...)

{

	if (iInitialised && iDebug && aText.Length() && aText.Length() < MAX_BUF_LENGTH)

		{

	    VA_LIST list;

	    VA_START(list, aText);

	    // Clear the buffer

	    iBuf.Zero();

	    // Add the file name

	    TInt i = 0;

	    while((aFile[i] != '\0') && (i < MAX_FILENAME_LENGTH))

	        {

	    	iBuf.Append(aFile[i++]);

	        }

	    // Add the line number and message

	    iBuf.AppendFormat(KLineNumber, aLine);

	    iBuf.AppendFormat(aSeverity);

	    iBuf.AppendFormatList(aText, list);

	    iBuf.Append(KLineEnd);

	    if (iConsole)

		   iConsole->Printf(iBuf);

	    WriteBufferToFile(iBuf, iFile);

	    VA_END(list);

		}

}

TBool CTestLog::WriteBufferToFile(TDesC16 &aBuffer, RFile &aHandle)

	{

	static TBuf8<1024> outputBuffer;

	static TPtrC16 ptr;

	static TInt consumed;

	static TInt remainder = 0;

	TBool valid = EFalse;

	if (aBuffer.Length())

		{

		ptr.Set(aBuffer);

		do

			{

			// get something to write

			consumed = Min(outputBuffer.MaxLength(), ptr.Length());

			// write it

			outputBuffer.Copy(ptr.Left(consumed));

			if (aHandle.Write(outputBuffer) != KErrNone)

				return EFalse;

			// get the next chunk

			remainder = ptr.Length() - consumed;

			if (remainder > 0)

				ptr.Set(ptr.Right(remainder));

			}while (remainder > 0);

			valid = ETrue;

			// Make sure the latest log messages are flushed to the file.

			aHandle.Flush();

		}

	return valid;

	}