Leaked source code of windows server 2003
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1991 - 1992.
//
// File: PHRCUR.HXX
//
// Contents: Phrase cursor
//
// Classes: CPhraseCursor
//
// History: 24-May-91 BartoszM Created.
//
//----------------------------------------------------------------------------
#pragma once
#include "ocursor.hxx"
class COccCurStack;
//+---------------------------------------------------------------------------
//
// Class: CPhraseCursor
//
// Purpose: Check for phrases
//
// History: 24-May-91 BartoszM Created.
// 28-Feb-92 AmyA Added HitCount and _cOcc.
// 23-Jun-94 SitaramR Added Rank().
//
//----------------------------------------------------------------------------
class CPhraseCursor: public COccCursor
{
public:
CPhraseCursor ( COccCurStack& curStack, XArray<OCCURRENCE>& aOcc );
~CPhraseCursor();
WORKID WorkId();
WORKID NextWorkId();
OCCURRENCE Occurrence() { return _occ; }
OCCURRENCE NextOccurrence();
ULONG OccurrenceCount();
OCCURRENCE MaxOccurrence();
ULONG HitCount();
LONG Hit();
LONG NextHit();
void RatioFinished ( ULONG& denom, ULONG& num );
LONG Rank();
private:
BOOL FindPhrase();
BOOL FindWidConjunction();
BOOL FindOccConjunction();
WORKID _wid;
OCCURRENCE _occ;
OCCURRENCE _maxOcc; // Max occurrence
unsigned _cCur;
COccCursor** _aCur;
OCCURRENCE* _aOcc;
ULONG _cOcc;
ULONG _logWidMax;
};