1 // bsymtree.h

     2 // 

     3 // Copyright (c) 2010 Accenture. All rights reserved.

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

     5 // under the terms of the "Eclipse Public License v1.0"

     6 // which accompanies this distribution, and is available

     7 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 // 

     9 // Initial Contributors:

    10 // Accenture - Initial contribution

    11 //

    12 #ifndef FSHELL_BSYMTREE_H

    13 #define FSHELL_BSYMTREE_H

    14 

    15 #include <e32std.h>

    16 class CDesC16Array;

    17 

    18 namespace LtkUtils

    19 	{

    20 	class RLtkBuf16;

    21 

    22 	class RNode

    23 		{

    24 	public:

    25 		static RNode* NewL();

    26 		void InsertStringL(const TUint16* aString, TInt aValue=0);

    27 		~RNode();

    28 		void CompleteL(TDes& aPrefix, CDesC16Array& aResults);

    29 		TInt ValueForStringL(const TDesC& aString) const;

    30 

    31 	private:

    32 		RNode* ChildForLetter(char aChild) const;

    33 		RNode* AddChildL(char aChild);

    34 		RNode(char aLetter);

    35 		RNode* Sprog() const;

    36 		RArray<RNode*>& Sprogs() const;

    37 		RNode* WalkToEndOfString(TUint16*& aString);

    38 		RNode* TabFill(TUint16*& aString, const TUint16* aEnd);

    39 		void DoCompleteOptionsL(CDesC16Array& aResults, RLtkBuf16& aCurrent);

    40 		//void Dump() const; // Debug

    41 

    42 	private:

    43 		char iLetter;

    44 		char iHasChildArray;

    45 		short iPad;

    46 		TAny* iPtr; // Either an RNode* or an RArray<RNode*>*. Or a TInt for the value if (iLetter == 0 && !iHasChildArray)

    47 		};

    48 

    49 	}

    50 

    51 #endif