// Copyright (c) 2002-2009 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:

// $Header$

// This header file provides the CIFControl methods and members

// 

//

#ifndef __CIFCONTROL_H__

#define __CIFCONTROL_H__

//-----------------------------------------------------------------------------

//  INCLUDES

#include <e32base.h>

//-----------------------------------------------------------------------------

class CIFControl : public CBase

{

public:

	//	helper defs and methods for IfMode (IF, ELSE, ENDIF) processing

	//	IFMode indicates the RESULT of the current IF clause

	enum TIFMode

		{

		ENotIf,

		EIFTrue,

		EELSETrue,

		EENDIF,

		EMAXIFMode

		};

	//	IFProcessing indicates the RESULT of the current IF clause

	enum TIFProcessing

		{

		EIgnoreIF,

		EInIF,

		EInELSE,

		EMAXIFProcesses

		};

	// aMaxLength sets the maximum length of formatted output.

	static CIFControl* NewL ();

	static CIFControl* NewLC();

	static CIFControl* NewL (const CIFControl::TIFMode &,

													 const TBool &, 

													 const CIFControl::TIFProcessing &);

	static CIFControl* NewLC(const CIFControl::TIFMode &,

													 const TBool &, 

													 const CIFControl::TIFProcessing &);

	~CIFControl();

private:    // Constructors and destructors

	void ConstructL(const CIFControl::TIFMode &,

									const TBool &, 

									const CIFControl::TIFProcessing &);

	CIFControl() {};

public:     // New functions

	TIFMode GetIFMode() const;

	void SetIFMode(const TIFMode &); 

	TIFProcessing GetIFState() const;

	void SetIFState(const TIFProcessing &);

	TBool GetIFResult();

	TInt GetIfCount();

	TInt GetElseCount();

	void If(void);

	void Else(void);

	void EndIf(void);

private:    // Data

	TIFMode iIfMode;						//	if nonzero then we're in an IF/ELSE/ENDIF (1=IF, 2=ELSE) Endif resets to 0

	TBool iIfResult;						//	this holds the result of the if command that's being executed

	TBool iInIF;								//	indicate where we are when processing

	TIFProcessing iIfStatus;

	//	in clause management

	TInt iIfs;											//	counter IF nesting process...

	TInt iElses;										//	while processing an IF/ELSE

};

//-----------------------------------------------------------------------------

#endif //__CIFCONTROL_H__            

//-----------------------------------------------------------------------------

// End of File

//-----------------------------------------------------------------------------