// Copyright (c) 1997-2009 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 <coehelp.h>

/** Default constructor. 

Constructs a default TCoeHelpContext object, identifying a null CS Help file 

UID and context. */

EXPORT_C TCoeHelpContext::TCoeHelpContext()

	: iMajor(KNullUid), iContext(KNullDesC)

	{}

/** Constructor specifying a Help file and a topic context descriptor.

@param aMajor The UID of a Help file containing a set of related help topics.

@param aContext The literal descriptor for a particular Help topic. This is 

generated from a context string by the CS Help compiler */

EXPORT_C TCoeHelpContext::TCoeHelpContext(TUid aMajor,const TDesC& aContext)

	: iMajor(aMajor), iContext(aContext)

	{}

/** Tests if the TCoeHelpContext is NULL.

@return ETrue if the object is NULL, EFalse if either the context or Help 

file UID have been set. */

EXPORT_C TBool TCoeHelpContext::IsNull() const

	{

	return (iMajor==KNullUid && iContext.Length()==0);

	}

/** Tests for equality.

@param aContext The Help context to compare to this object.

@return ETrue if aContext has the same data member values as this object, otherwise 

EFalse. */

EXPORT_C TBool TCoeHelpContext::operator==(const TCoeHelpContext& aContext) const

	{

	return (iMajor==aContext.iMajor && iContext==aContext.iContext);

	}

/** Tests for inequality.

@param aContext The Help context to compare to this object.

@return ETrue if aContext has any different data member values as this object, 

otherwise EFalse. */

EXPORT_C TBool TCoeHelpContext::operator!=(const TCoeHelpContext& aContext) const

	{

	return (iMajor!=aContext.iMajor || iContext!=aContext.iContext);

	}