86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1991 - 1999.
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//
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// File: VECCURS.HXX
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//
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// Contents: Vector cursor
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//
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// Classes: CVectorCursor
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//
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// History: 23-Jul-92 KyleP Created.
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//
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//----------------------------------------------------------------------------
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#pragma once
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#ifdef DISPLAY_INCLUDES
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#pragma message( "#include <" __FILE__ ">..." )
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#endif
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#include <curstk.hxx>
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#include <heap.hxx>
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#include <curheap.hxx>
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//+---------------------------------------------------------------------------
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//
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// Class: CVectorCursor
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//
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// Purpose: Vector cursor. Capable of returning a vector of ranks
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// from it's children.
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//
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// History: 23-Jul-92 KyleP Created.
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//
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//----------------------------------------------------------------------------
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class CVectorCursor: public CCursor
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{
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public:
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CVectorCursor( int cCursor,
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CCurStack& curStack,
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ULONG RankMethod );
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~CVectorCursor() {}
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WORKID WorkId();
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WORKID NextWorkId();
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ULONG WorkIdCount();
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ULONG HitCount();
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LONG Rank();
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ULONG GetRankVector( LONG * plVector, ULONG cElements );
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LONG Hit();
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LONG NextHit();
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void RatioFinished ( ULONG& denom, ULONG& num );
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protected:
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void _RefreshRanks();
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CWidHeap _widHeap;
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XArray<CCursor *> _aChildCursor; // *Ordered* array of children.
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XArray<LONG> _aChildWeight; // Weight for each child.
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XArray<LONG> _aChildRank; // Rank vector for current wid.
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UINT _cChild; // # of children.
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LONG _lMaxWeight;
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LONG _lSumWeight;
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ULONG _ulSumSquaredWeight;
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WORKID _widRank; // Last wid for which rank was
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// computed.
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ULONG _RankMethod; // Method for computing rank.
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int _iCur; // Cursor index for Hit/NextHit.
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};
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