// Copyright (c) 1997-2009 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

*/

#include <utf.h>

#include <flogger.h>

#include "FLOGSTD.H"

/**

16-bit tab char width for symbian OS build.

*/

const TText KTabChar='\t';

/**

8-bit FullStop char for non-unicode

*/

const TText8 KFullStopChar8='.';

/**

8-bit tab char for unicode

*/

const TText8 KTabChar8='\t';

/**

Max length for a TBuf date or time variable.

*/

const TInt KDateOrTimeMaxLength=30;

/**

Constructs a 8 bit constant literal descriptor for

end of line.

*/

_LIT8(KEndOfLineCharacters8,"\r\n");

/**

Constructs a 16 bit constant literal descriptor for

end of line.

*/

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

/**

Date format for European style

*/

_LIT(KDateFormat,"%1%/1%2%/2%3\t");

/**

24 hour time format

*/

_LIT(KTimeFormat,"%J%:1%T%:2%S\t");

/**

TLogFile class definition

*/

TLogFile::TLogFile()

/**

Sets initial values for iValid and iMode.

*/

	{

	iValid=EFalse;

	iMode=EFileLoggingModeUnknown;

	}

TLogFile::TLogFile(const TDesC& aDir, const TDesC& aName, TFileLoggingMode aMode)

/**

Sets initial values for iValid,iDirectory,iName and iMode.

@param aDir Full Path of the log file.

@param aName Name of the log file.

@param aMode Specifies whether data is appended or file is truncated.

*/

	{

	iValid=EFalse;

	iDirectory=aDir;

	iName=aName;

	iMode=aMode;

	}

TBool TLogFile::operator==(const TLogFile& aLogFile) const

/**

iValid members need not be equal

@param aLogFile log file.

*/

	{

	if (iDirectory!=aLogFile.iDirectory)

		return EFalse;

	if (iName!=aLogFile.iName)

		return EFalse;

	if (iMode!=aLogFile.iMode)

		return EFalse;

	return ETrue;

	}

void TLogFile::Set(const TDesC& aDir, const TDesC& aName, TFileLoggingMode aMode)

/**

Sets values for iValid,iDirectory,iName and iMode.

@param aDir Full Path of the log file.

@param aName Name of the log file.

@param aMode Specifies whether data is appended or file is truncated.

*/

	{

	iValid=EFalse;

	iDirectory=aDir;

	iName=aName;

	iMode=aMode;

	}

/**

TLogFormatterOverflow class definition

*/

void TLogFormatter16Overflow::Overflow(TDes16& /*aDes*/)

/** 

TDes16Overflow pure virtual 

This member is internal and not intended for use.

*/	

	{

	}

void TLogFormatter8Overflow::Overflow(TDes8& /*aDes*/)

/** 

TDes16Overflow pure virtual 

This member is internal and not intended for use.

*/

	{

	}

/**

TLogFormat class definition

*/

TLogFormatter::TLogFormatter()

	: iUseDate(ETrue), iUseTime(ETrue)

/**

Sets iUseDate and iUseTime to ETrue.

*/

	{}

void TLogFormatter::SetDateAndTime(TBool aUseDate, TBool aUseTime)

/**

Sets whether to use date and/or time

*/

	{

	iUseDate=aUseDate;

	iUseTime=aUseTime;

	}

TInt TLogFormatter::FormatTextToWritableBuffer(TDes8& aBuf, const TDesC16& aText) const

/**

Returns result in aBuf

*/

	{

	TRAPD(ret,WriteL(aBuf,aText));

	return ret;

	}

TInt TLogFormatter::FormatTextToWritableBuffer(TDes8& aBuf, const TDesC8& aText) const

/**

Returns result in aBuf

*/

	{

	TRAPD(ret,WriteL(aBuf,aText));

	return ret;

	}

TInt TLogFormatter::ConvertToWritableBuffer(TDes8& aBuf, TRefByValue<const TDesC16> aFmt, VA_LIST& aList)

/**

Formats string to aBuf

*/

	{

	TBuf16<KLogBufferSize> buf;

	buf.AppendFormatList(aFmt,aList,&iOverflow16);

	TRAPD(ret,WriteL(aBuf,buf));

	return ret;

	}

TInt TLogFormatter::ConvertToWritableBuffer(TDes8& aBuf, TRefByValue<const TDesC8> aFmt, VA_LIST& aList)

/**

Formats string to aBuf

*/

	{

	TBuf8<KLogBufferSize> buf;

	buf.AppendFormatList(aFmt,aList,&iOverflow8);

	TRAPD(ret,WriteL(aBuf,buf));

	return ret;

	}

void TLogFormatter::GetDateAndTimeL(TDes& aDate, TDes& aTime) const

/**

Gets date and time according to flags to buffer aBuf

*/

	{

	aDate.SetLength(0);

	aTime.SetLength(0);

	if (!iUseTime && !iUseDate)

		return;

	TTime t;

	t.HomeTime();

	if (iUseDate)

		t.FormatL(aDate,KDateFormat);

	if (iUseTime)

		t.FormatL(aTime,KTimeFormat);

	}

void TLogFormatter::WriteL(TDes8& aTrg, const TDesC16& aSrc) const

/**

Appends date/time as specified and truncate aSrc and convert 

unprintable characters to '.'.  Convert unicode to UTF8 and 

return the result in aTrg

*/

	{	

	aTrg.SetLength(0);

	TBuf16<KDateOrTimeMaxLength> dateBuf;

	TBuf16<KDateOrTimeMaxLength> timeBuf;

	GetDateAndTimeL(dateBuf,timeBuf);

	TBuf16<KLogBufferSize> buf;

	__ASSERT_DEBUG(buf.MaxLength()>=dateBuf.Length(), User::Invariant());

	buf.Append(dateBuf);

	__ASSERT_DEBUG((buf.MaxLength()-buf.Length())>=timeBuf.Length(), User::Invariant());

	buf.Append(timeBuf);

	buf.Append(aSrc.Left(Min(aSrc.Length(),(KLogBufferSize-buf.Length()-2))));	// -2 to allow for CRLF

	TChar ch;

	for (TInt i=0; i<buf.Length(); i++)

		{

		ch=buf[i];

		if(!((ch.IsPrint()) || (ch==KTabChar)))

			buf[i]=KFullStopChar;

		}

	buf.Append(KEndOfLineCharacters);

	TBuf8<KLogBufferSize> utfBuf;

	CnvUtfConverter::ConvertFromUnicodeToUtf8(utfBuf,buf);

	aTrg.Copy(utfBuf.Left(Min(utfBuf.Length(),aTrg.MaxLength())));

	}

void TLogFormatter::WriteL(TDes8& aTrg, const TDesC8& aSrc) const

/**

Append date/time as specified and truncate aSrc and convert 

unprintable characters to '.'.

*/

	{	

	aTrg.SetLength(0);

	TBuf16<KDateOrTimeMaxLength> dateBuf;

	TBuf16<KDateOrTimeMaxLength> timeBuf;

	GetDateAndTimeL(dateBuf,timeBuf);

	TBuf8<KDateOrTimeMaxLength> eightBitDateBuf;

	eightBitDateBuf.Copy(dateBuf);

	TBuf8<KDateOrTimeMaxLength> eightBitTimeBuf;

	eightBitTimeBuf.Copy(timeBuf);

	TBuf8<KLogBufferSize> buf;

	__ASSERT_DEBUG(buf.MaxLength()>=dateBuf.Length(), User::Invariant());

	buf.Append(eightBitDateBuf);

	__ASSERT_DEBUG((buf.MaxLength()-buf.Length())>=timeBuf.Length(), User::Invariant());

	buf.Append(eightBitTimeBuf);

	buf.Append(aSrc.Left(Min(aSrc.Length(),(KLogBufferSize-buf.Length()-2))));	// -2 to allow for CRLF

	TChar ch;

	for (TInt i=0; i<buf.Length(); i++)

		{

		ch=buf[i];

		if(!((ch.IsPrint()) || (ch==KTabChar8)))

			buf[i]=KFullStopChar8;

		}

	buf.Append(KEndOfLineCharacters8);

	aTrg.Copy(buf.Left(Min(buf.Length(),aTrg.MaxLength())));

	}