// Copyright (c) 1999-2009 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:

 // BNF node header

 // 

 //

 #ifndef __CBNFNODE_H__

 #define __CBNFNODE_H__

 #include <e32base.h>

 #include <cnode.h>

 /** Declares that the "type" for node attributes is stored as a string. */

 typedef const TDesC* CBNFNodeAttributeType;

 #define _SHAREDSTRING(X) IMPORT_C static CBNFNodeAttributeType K##X();

 #define _SHAREDSTRINGBODY(X) EXPORT_C CBNFNodeAttributeType CBNFNode::K##X() \

     { \

     _LIT(K##X, #X); \

     return &(K##X); \

     }

 class CBNFNode : public CTypedNode<TInt, const TDesC*> 

 /** Backus-Naur Form (BNF) node that forms part of a BNF tree (CBNFParser).

 Node types are stored as TInts, and attribute types as descriptors.

 @publishedAll

 @released

 */

 {

 public:

 	//##ModelId=3B666BC70146

 	IMPORT_C ~CBNFNode();

 	//##ModelId=3B666BC70144

 	IMPORT_C static CBNFNode* NewL(TInt aType);

     _SHAREDSTRING(PreRuleCallback)

     _SHAREDSTRING(PostRuleCallback)

     _SHAREDSTRING(Reference)

     _SHAREDSTRING(RangeStart)

     _SHAREDSTRING(RangeEnd)

     _SHAREDSTRING(NMoreCount)

     _SHAREDSTRING(NMoreMinimum)

     _SHAREDSTRING(NMoreMaximum)

 protected:

     IMPORT_C CBNFNode(TInt aType);

 };

 #endif // __CBNFNODE_H__