/*

 * 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

 * which accompanies this distribution, and is available

 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

 #if !defined(__INIPARSER_H__)

 #define __INIPARSER_H__

 #include <e32base.h>

 #include <f32file.h>

 _LIT(KUseSystemDrive, "$:");

 class CIniData : public CBase 

 /**

  *

  * @publishedPartner

  * @test

  *

  * Defines the interface to acess to ini data file

  *

  * The basic functions, FindVar(), SetValue(), AddValue() and WriteToFileL()

  * Compulsory to call WriteToFileL() after calling any SetValue() or AddValue()

  */

 	{

 public:

 	// Constructor, pass in name of ini file to open

 	// Default search path is 'c:\system\data' on target filesystem

 	// ie. 'NewL(_L("c:\\system\\data\\ttools.ini"))' is equivalent

 	// to 'NewL(_L("ttools.ini"))'

 	IMPORT_C static CIniData* NewL(const TDesC& aName);

 	IMPORT_C virtual ~CIniData();

 	IMPORT_C TBool FindVar(const TDesC &aKeyName,	// Key to look for

 						TPtrC &aResult);			// Buffer to store value

 	IMPORT_C TBool FindVar(const TDesC &aKeyName, 	// Key to look for

 						TInt &aResult);				// Int ref to store result

 	IMPORT_C TBool FindVar(const TDesC &aSection,	// Section to look under

 						const TDesC &aKeyName,		// Key to look for

 						TPtrC &aResult);			// Buffer to store result

 	IMPORT_C TBool FindVar(const TDesC &aSection,	// Section to look under

 						const TDesC &aKeyName,		// Key to look for

 						TInt &aResult);				// Int ref to store result

 	IMPORT_C TInt SetValue(const TDesC& aKeyName,// Key to look for

 						const TDesC& aValue);  // aValue being modified

 	IMPORT_C TInt SetValue(const TDesC& aSection, // Section to look under

 						const TDesC& aKeyName,  // Key to look for

 						const TDesC& aValue);  // aValue being modified

 	IMPORT_C TInt AddValue(const TDesC& aSection,  // Section to look under

 						const TDesC& aKeyName,   // Key to look for

 						const TDesC& aValue);   // aValue being modified

 	IMPORT_C TInt AddValue(const TDesC& aKeyName,   // Key to look for

 						const TDesC& aValue);  // aValue being modified

 	IMPORT_C void WriteToFileL();

 	// Overloaded NewL() added to recieve optional system drive letter from the user

 	// And expand ${SYSDRIVE} variable. Else, the variable expands to RFs::GetSystemDrive()

 	IMPORT_C static CIniData* NewL(const TDesC& aName, const TDesC& aSysDrive);

 protected:

 	IMPORT_C CIniData();

 	IMPORT_C CIniData(const TDesC& aSysDrive);

 	IMPORT_C void ConstructL(const TDesC& aName);

 public:

 	IMPORT_C TBool FindVar(const TDesC &aSection,	// Section to look under

 						const TDesC &aKeyName,		// Key to look for

 						TInt64 &aResult);			// Int64 ref to store result

 private:

 	void UpdateVariablesL();

 	TBool FindVar(const TDesC &aSectName,const TDesC &aKeyName,TPtrC &aResult, TPtr& aIniDataPtr);

 private:

 	HBufC* iName;

 	HBufC* iToken;

 	HBufC* iIniData;

 	TPtr iPtr;

 	TPtr iPtrExpandedVars;

 	TDriveName iDefaultSysDrive;

 	TDriveName iSysDrive;

 	};

 #endif