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65 lines
1.5 KiB
65 lines
1.5 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1991 - 1992.
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//
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// File: ORCURSOR.HXX
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//
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// Contents: Merge Cursor
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//
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// Classes: COrCursor
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//
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// History: 26-Sep-91 BartoszM Created.
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//
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//----------------------------------------------------------------------------
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#pragma once
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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: COrCursor
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//
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// Purpose: Boolean OR cursor, OR's cursors from the same index
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//
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// History: 26-Sep-91 BartoszM Created.
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// 28-Feb-92 AmyA Added HitCount()
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// 13-Apr-92 AmyA Added Rank()
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//
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//----------------------------------------------------------------------------
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class COrCursor: public CCursor
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{
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public:
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COrCursor( int cCursor, CCurStack& curStack );
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~COrCursor() {} // heaps are deleted
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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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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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CWidHeap _widHeap;
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LONG _lMaxWeight; // Max Weight of any child
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WORKID _wid;
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int _iCur;
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};
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