/*

* Copyright (c) 2005-2009 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:

*

*/

#include "DataWrapperBase.h"

/*@{*/

///	Constant Literals used.

_LIT(KIncludeSection,		"include");

_LIT(KFile,					"file%d");

_LIT(KMatch,				"*{*,*}*");

_LIT(KStart,				"{");

_LIT(KSeparator,			",");

_LIT(KEnd,					"}");

_LIT(KDataRead,				"INI READ : %S %S %S");

/*@}*/

CDataWrapperBase::CDataWrapperBase()

:	CDataWrapper()

	{

	}

CDataWrapperBase::~CDataWrapperBase()

/**

 * Public destructor

 */

	{

	iInclude.ResetAndDestroy();

	iBuffer.ResetAndDestroy();

	iFs.Close();

	}

void CDataWrapperBase::InitialiseL()

	{

	CDataWrapper::InitialiseL();

	TBuf<KMaxTestExecuteCommandLength>	tempStore;

	TPtrC		fileName;

	TBool		moreData=ETrue;

	TBool		index=0;

	while ( moreData )

		{

		tempStore.Format(KFile(), ++index);

		moreData=GetStringFromConfig(KIncludeSection, tempStore, fileName);

		if (moreData)

			{

			CIniData*	iniData=CIniData::NewL(fileName);

			CleanupStack::PushL(iniData);

			iInclude.Append(iniData);

			CleanupStack::Pop(iniData);

			}

		}

	User::LeaveIfError(iFs.Connect());

	}

TBool CDataWrapperBase::GetBoolFromConfig(const TDesC& aSectName,const TDesC& aKeyName,TBool& aResult)

	{

	TBool	ret=EFalse;

	TPtrC	result;

	TRAPD(err, ret=GetCommandStringParameterL(aSectName, aKeyName, result));

	if ( err != KErrNone )

		{

		ret=EFalse;

		}

	if ( ret )

		{

		_LIT(KTrue,"true");

		aResult=(result.FindF(KTrue) != KErrNotFound);

		}

	return ret;

	}

TBool CDataWrapperBase::GetIntFromConfig(const TDesC& aSectName, const TDesC& aKeyName, TInt& aResult)

	{

	TPtrC	result;

	TBool	ret=EFalse;

	TRAPD(err, ret=GetCommandStringParameterL(aSectName, aKeyName, result));

	if ( err != KErrNone )

		{

		ret=EFalse;

		}

	if ( ret )

		{

		TLex	lex(result);

		ret=(lex.Val(aResult)==KErrNone);

		}

	return ret;

	}

TBool CDataWrapperBase::GetStringFromConfig(const TDesC& aSectName, const TDesC& aKeyName, TPtrC& aResult)

	{

	TBool	ret=EFalse;

	TRAPD(err, ret=GetCommandStringParameterL(aSectName, aKeyName, aResult));

	if ( err != KErrNone )

		{

		ret=EFalse;

		}

	return ret;

	}

TBool CDataWrapperBase::GetHexFromConfig(const TDesC& aSectName, const TDesC& aKeyName, TInt& aResult)

	{

	TPtrC	result;

	TBool	ret=EFalse;

	TRAPD(err, ret=GetCommandStringParameterL(aSectName, aKeyName, result));

	if ( err != KErrNone )

		{

		ret=EFalse;

		}

	if ( ret )

		{

		TLex	lex(result);

		ret=(lex.Val((TUint &)aResult, EHex)==KErrNone);

		}

	return ret;

	}

TBool CDataWrapperBase::GetCommandStringParameterL(const TDesC& aSectName, const TDesC& aKeyName, TPtrC& aResult)

	{

	TBool	ret=EFalse;

	if ( aSectName.Length()!=0 )

		{

		ret=CDataWrapper::GetStringFromConfig(aSectName, aKeyName, aResult);

		for ( TInt index=iInclude.Count(); (index>0) && (!ret); )

			{

			ret=iInclude[--index]->FindVar(aSectName, aKeyName, aResult);

			}

		}

	if ( ret )

		{

		if ( aResult.Match(KMatch)!=KErrNotFound )

			{

			//	We have an entry of the format

			//	entry =*{section,entry}*

			//	where * is one or more characters

			//	We need to construct this from other data in the ini file replacing {*,*}

			//	with the data from

			//	[section]

			//	entry =some_value

			HBufC*	buffer=HBufC::NewLC(aResult.Length());

			buffer->Des().Copy(aResult);

			TInt	startLength=KStart().Length();

			TInt	sparatorLength=KSeparator().Length();

			TInt	endLength=KEnd().Length();

			TInt	bufferLength;

			TInt	start;

			TInt	sparator;

			TInt	end;

			TPtrC	remaining;

			TLex	lex;

			do

				{

				bufferLength=buffer->Length();

				start=buffer->Find(KStart);

				remaining.Set(buffer->Des().Right(bufferLength-start-startLength));

				sparator=remaining.Find(KSeparator);

				remaining.Set(remaining.Right(remaining.Length()-sparator-sparatorLength));

				sparator += (start + startLength);

				end=remaining.Find(KEnd) + sparator + sparatorLength;

				TPtrC	sectionName(buffer->Ptr()+start+startLength, sparator-start-startLength);

				TPtrC	keyName(buffer->Ptr()+sparator+sparatorLength, end-sparator-sparatorLength);

				sectionName.Set(TLex(sectionName).NextToken());

				keyName.Set(TLex(keyName).NextToken());

				TInt	entrySize=0;

				TPtrC	entryData;

				TBool	found=CDataWrapper::GetStringFromConfig(sectionName, keyName, entryData);

				for ( TInt index=iInclude.Count(); (index>0) && (!found);  )

					{

					found=iInclude[--index]->FindVar(sectionName, keyName, entryData);

					}

				if ( found )

					{

					entrySize=entryData.Length();

					}

				TInt	newLength=start + bufferLength - end - endLength + entrySize;

				HBufC*	bufferNew=HBufC::NewLC(newLength);

				bufferNew->Des().Copy(buffer->Ptr(), start);

				if ( entrySize>0 )

					{

					bufferNew->Des().Append(entryData);

					}

				bufferNew->Des().Append(buffer->Ptr() + end + endLength, bufferLength - end - endLength);

				CleanupStack::Pop(bufferNew);

				CleanupStack::PopAndDestroy(buffer);

				buffer=bufferNew;

				CleanupStack::PushL(buffer);

				}

			while ( buffer->Match(KMatch)!=KErrNotFound );

			iBuffer.Append(buffer);

			CleanupStack::Pop(buffer);

			aResult.Set(*buffer);

			INFO_PRINTF4(KDataRead, &aSectName, &aKeyName , &aResult);

			}

		}

	return ret;

	}