// 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:

//

/**

 @file

 @publishedAll

 @released

*/

#ifndef XMLENGNAMESPACERESOLVER_H

#define XMLENGNAMESPACERESOLVER_H

/** 

Provides an interface to query the namespace context of a DOM object.

@see TXmlEngXPathEvaluator

@see RXmlEngXPathExpression

*/

class MXmlEngNamespaceResolver

{

public:

    /** 

    Searches for the prefix that is bound to the given aNamespaceUri and

    applicable in the scope of this object.

    @param aNamespaceUri Namespace URI to search for

	@return The sought prefix or an empty string if not found or if aNamespaceUri is the

	default namespace

	@leave - Any system wide error code

    */

    virtual TPtrC8 LookupPrefixL(const TDesC8& aNamespaceUri) const = 0;

    /** 

    Searches for the namespace URI that is bound to the given prefix.

    @param aPrefix The namespace prefix to search for

    @return The sought URI or an empty string if the prefix is not bound

	@leave - Any system wide error code

    */

    virtual TPtrC8 LookupNamespaceUriL(const TDesC8& aPrefix) const = 0;

};    

#endif /* XMLENGNAMESPACERESOLVER_H */