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77 lines
1.7 KiB
77 lines
1.7 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: PHRCUR.HXX
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//
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// Contents: Phrase cursor
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//
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// Classes: CPhraseCursor
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//
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// History: 24-May-91 BartoszM Created.
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include "ocursor.hxx"
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class COccCurStack;
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//+---------------------------------------------------------------------------
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//
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// Class: CPhraseCursor
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//
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// Purpose: Check for phrases
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//
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// History: 24-May-91 BartoszM Created.
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// 28-Feb-92 AmyA Added HitCount and _cOcc.
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// 23-Jun-94 SitaramR Added Rank().
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//
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//----------------------------------------------------------------------------
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class CPhraseCursor: public COccCursor
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{
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public:
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CPhraseCursor ( COccCurStack& curStack, XArray<OCCURRENCE>& aOcc );
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~CPhraseCursor();
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WORKID WorkId();
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WORKID NextWorkId();
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OCCURRENCE Occurrence() { return _occ; }
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OCCURRENCE NextOccurrence();
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ULONG OccurrenceCount();
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OCCURRENCE MaxOccurrence();
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ULONG HitCount();
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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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LONG Rank();
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private:
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BOOL FindPhrase();
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BOOL FindWidConjunction();
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BOOL FindOccConjunction();
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WORKID _wid;
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OCCURRENCE _occ;
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OCCURRENCE _maxOcc; // Max occurrence
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unsigned _cCur;
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COccCursor** _aCur;
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OCCURRENCE* _aOcc;
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ULONG _cOcc;
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ULONG _logWidMax;
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};
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