1 cbnfnode.h

     1 // Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // 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

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // BNF node header

    15 // 

    16 //

    17 

    18 #ifndef __CBNFNODE_H__

    19 #define __CBNFNODE_H__

    20 

    21 #include <e32base.h>

    22 #include <cnode.h>

    23 

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

    25 typedef const TDesC* CBNFNodeAttributeType;

    26 

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

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

    29     { \

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

    31     return &(K##X); \

    32     }

    33 

    34 

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

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

    37 

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

    39 @publishedAll

    40 @released

    41 */

    42 {

    43 public:

    44 	//##ModelId=3B666BC70146

    45 	IMPORT_C ~CBNFNode();

    46 

    47 	//##ModelId=3B666BC70144

    48 	IMPORT_C static CBNFNode* NewL(TInt aType);

    49 

    50     _SHAREDSTRING(PreRuleCallback)

    51     _SHAREDSTRING(PostRuleCallback)

    52     _SHAREDSTRING(Reference)

    53     _SHAREDSTRING(RangeStart)

    54     _SHAREDSTRING(RangeEnd)

    55     _SHAREDSTRING(NMoreCount)

    56     _SHAREDSTRING(NMoreMinimum)

    57     _SHAREDSTRING(NMoreMaximum)

    58 

    59 protected:

    60     IMPORT_C CBNFNode(TInt aType);

    61 };

    62 

    63 #endif // __CBNFNODE_H__