// Copyright (c) 2007-2009 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:

// ULogger sys config

// 

//

/**

 @file

 @internalTechnology

 @prototype

*/

#ifndef SYSCONFIGIMPL_H

#define SYSCONFIGIMPL_H

#include <e32cmn.h>		 

#include <f32file.h>	 

#include "uloggersysconfig.h"

#include <bsul/inifile.h>

#include "uloggershared.h"

namespace Ulogger

{

NONSHARABLE_CLASS(CConfigSettingsImpl) : public CBase

{

public:

	/**Standard Symbian OS construction method.*/

	static CConfigSettingsImpl* NewL();

	TBool Next(TPtrC8& aSetting,TPtrC8& aSettingValue);

	void Reset();

	/**Destructor.*/

	~CConfigSettingsImpl();

private:

	friend class CConfigImpl;

	CConfigSettingsImpl();

	BSUL::CIniSecIter8* iIniSecIter;

};

NONSHARABLE_CLASS(CConfigImpl) : public CBase

	{

public:

	static CConfigImpl* NewL(RHeap* aHeap,TFileName& aFilename);

	~CConfigImpl();

	// Allow Objects to register for configuration change notifications

	//Get operation									 

	TInt GetKeyValue(const TDesC8& aSectionName,const TDesC8& aKey,TPtrC8& aValue);

	TInt GetSection(const TDesC8& aSectionName,CConfigSettingsIter& aSection);	

	TInt GetKeyCount(const TDesC8& aSectionName,TPtrC8& aLastKey);

	//modify operation	

	TInt SetKeyValue(const TDesC8& aSectionName,const TDesC8& aKey, const TDesC8& aValue);

	TInt RemoveKey(const TDesC8& aSectionName,const TDesC8& aKeyName);

	TInt RemoveSection(const TDesC8& aSectionName);

	//utils

	TInt GetPointerToKeyName(const TDesC8& aSectionName,const TDesC8& aKeyName,TPtrC8& aKeyPointer);

	TInt CheckValueExist(const TDesC8& aSectionName,const TDesC8& aValue,TInt& aKeyCount);

	TInt PersistIniFile();

	TInt GenerateInternalKey(const TDesC8& aSection,TBuf8<15>& aKeyName);	

	void GetSystemDrive(TDriveName& aSystemDrive);

private:

	CConfigImpl(RHeap* aHeap,TFileName& aFileName) : 

		iHeap(aHeap),iFileName(aFileName) {}

	void ConstructL();	

	void LoadConfigFileL();

	void GetConfigFileName(TFileName& aFileName);

private:	

	/** Mutex for controlling write access */

	RMutex iWriteMutex;

	/** Pointer to private heap */

	RHeap* iHeap;

	/** Handle to file server */

	RFs iFs;

	/** Ini-file parser */

	BSUL::CIniDocument8* iIniFileDocument;

	TFileName iFileName;

	};

}

#endif // SYSCONFIGIMPL_H