/*

 * 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;

 	}