93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995.
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//
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// File: qiterate.hxx
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//
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// Contents: Iterator for OR query restriction
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//
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// History: 30-May-95 SitaramR Created
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//
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//--------------------------------------------------------------------------
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#pragma once
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#include <xpr.hxx>
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#include <timlimit.hxx>
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#include <ciintf.h>
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//+---------------------------------------------------------------------------
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//
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// Class: CQueryRstIterator
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//
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// Purpose: Iterate over the various children of OR restriction
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//
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// History: 30-May-95 SitaramR Created
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//
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//----------------------------------------------------------------------------
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class CQueryRstIterator : INHERIT_UNWIND
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{
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INLINE_UNWIND( CQueryRstIterator );
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public:
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CQueryRstIterator( ICiCDocStore *pDocStore,
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XRestriction& xRst,
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CTimeLimit& timeLimit,
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BOOL& fCIRequiredGlobal,
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BOOL fNoTimeout,
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BOOL fValidateCatalog = TRUE );
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~CQueryRstIterator() { }
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void GetFirstComponent( XRestriction& xFullyIndexableRst, XXpr& xXpr );
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void GetNextComponent( XRestriction& xFullyIndexableRst, XXpr& xXpr );
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BOOL AtEnd();
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BOOL IsSingleComponent() { return _fSingleComponent; }
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BOOL FResolvingFirstComponent() { return _fResolvingFirstComponent; }
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inline void GetCurComponentIndex( unsigned& _iQueryComp, unsigned& _cQueryComp ) const;
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private:
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void SeparateRst( XRestriction& xRst,
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XRestriction& xFullyIndexableRst,
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XXpr& xXpr );
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inline BOOL Validate( CRestriction *pFullyIndexableRst ) const;
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BOOL _fSingleComponent; // does the query have just one component ?
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XInterface<ICiManager> _xCiManager; // Content index
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XRestriction _xRst;
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CTimeLimit& _timeLimit;
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BOOL _fResolvingFirstComponent; // are we resolving the first component ?
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unsigned _iQueryComp; // index of current OR query component
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unsigned _cQueryComp; // count of OR query components
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BOOL _fValidateCat; // Whether to validate catalog
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};
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//+---------------------------------------------------------------------------
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//
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// Member: CQueryRstIterator::GetCurComponentIndex
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//
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// Synopsis: Get index of current component of OR query and the total # components
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//
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// Arguments: [iQueryComp] -- updated with index of current component
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// [cQueryComp] -- updated with count of components
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//
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// History: 30-Jun-95 SitaramR Created
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//
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//----------------------------------------------------------------------------
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inline void CQueryRstIterator::GetCurComponentIndex( unsigned& iQueryComp,
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unsigned& cQueryComp ) const
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{
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iQueryComp = _iQueryComp;
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cQueryComp = _cQueryComp;
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}
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