185 lines
5.7 KiB
C++
185 lines
5.7 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1991 - 2000.
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//
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// File: QKREP.HXX
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//
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// Contents: Query Key Repository
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//
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// Classes: CQueryKeyRepository
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//
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// History: 30-May-91 t-WadeR Created.
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// 23-Sep-91 BartoszM Rewrote to use phrase expr.
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include <lang.hxx>
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#include <plang.hxx>
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class CRestriction;
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class CNodeRestriction;
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class CPhraseRestriction;
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DECL_DYNSTACK( CPhraseRstStack, CPhraseRestriction );
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DECLARE_SMARTP( PhraseRestriction );
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DECLARE_SMARTP( OccRestriction );
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DECLARE_SMARTP( WordRestriction );
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//+---------------------------------------------------------------------------
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//
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// Class: CQueryKeyRepository
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//
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// Purpose: Key repository for word repository
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//
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// History: 30-May-91 t-WadeR Created.
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// 23-Sep-91 BartoszM Rewrote to use phrase expr.
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//
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//----------------------------------------------------------------------------
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class CQueryKeyRepository: public PKeyRepository
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{
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public:
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CQueryKeyRepository( ULONG fuzzy );
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~CQueryKeyRepository();
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BOOL PutPropId ( PROPID pid ) { _key.SetPid(pid); return TRUE; }
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void PutKey ( ULONG cNoiseWordsSkipped = 0 );
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void StartAltPhrase( ULONG cNoiseWordsSkipped );
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void EndAltPhrase( ULONG cNoiseWordsSkipped );
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void GetBuffers( UINT** ppcbWordBuf,
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BYTE** ppbWordBuf,
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OCCURRENCE** ppocc );
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void GetFlags ( BOOL** ppRange, CI_RANK** ppRank );
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CRestriction * AcqRst();
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void PutWorkId ( WORKID ) { ciAssert (0); }
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inline const ULONG GetFilteredBlockCount() const
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{
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Win4Assert(!"Function not supported in this class!");
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return 0;
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}
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void FixUp( CDataRepository & drep );
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private:
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void AppendKey( CPhraseRestriction *pPhraseRst, ULONG cNoiseWordsSkipped );
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void CloneAndAdd( CNodeRestriction *pOrRst,
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CPhraseRestriction *pHeadPhrase,
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CPhraseRestriction *pTailPhrase );
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OCCURRENCE CQueryKeyRepository::_ComputeOccurrence( COccRestriction *pOccRst,
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CPhraseRestriction *pPhraseRst );
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BOOL _fHasSynonym; // We want to know if word breaking
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// has occured. That's not possible to know
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// because, we don't know if the PutAltWord
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// is called for synonym or a non-space word
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// breaking (e.g. German)
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CKeyBuf _key;
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OCCURRENCE _occ;
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BOOL _isRange;
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CI_RANK _rank;
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OCCURRENCE _occLast;
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CPhraseRstStack _stkAltPhrases; // stack for alternate phrases
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CPhraseRestriction *_pPhrase; // a single phrase, or
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CNodeRestriction *_pOrRst; // 'or' node of phrases
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CPhraseRestriction *_pCurAltPhrase; // current alternate phrase
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ULONG _cInitialNoiseWords;
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BOOL _fNoiseWordsOnly; // does an alt phrase have noise words only
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};
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//+---------------------------------------------------------------------------
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//
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// Class: CVectorKeyRepository
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//
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// Purpose: Vector key repository for natural language queries
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//
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// History: 18-Jan-95 SitaramR Created.
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//
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//----------------------------------------------------------------------------
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class CVectorKeyRepository: public PKeyRepository, public IPhraseSink
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{
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public:
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CVectorKeyRepository( const CFullPropSpec & ps, LCID lcid, ULONG ulWeight, CPidMapper & pidmap, CLangList & langList );
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~CVectorKeyRepository();
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// PKeyRepository functions
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BOOL PutPropId ( PROPID pid ) { _key.SetPid(pid); return TRUE; }
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void PutKey ( ULONG cNoiseWordsSkipped = 0 );
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// ignore alternate phrases
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void StartAltPhrase( ULONG cNoiseWordsSkipped ) {}
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void EndAltPhrase( ULONG cNoiseWordsSkipped ) {}
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void PutWorkId ( WORKID ) { Win4Assert(!"Function not supported in this class!"); }
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void GetBuffers( UINT** ppcbWordBuf,
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BYTE** ppbWordBuf,
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OCCURRENCE** ppocc );
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void GetFlags ( BOOL** ppRange, CI_RANK** ppRank );
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CVectorRestriction* AcqRst();
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const ULONG GetFilteredBlockCount() const
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{
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Win4Assert(!"Function not supported in this class!");
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return 0;
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}
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// IPhraseSink functions
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virtual SCODE STDMETHODCALLTYPE PutPhrase( WCHAR const *pwcPhrase, ULONG cwcPhrase );
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virtual SCODE STDMETHODCALLTYPE PutSmallPhrase( WCHAR const *pwcNoun,
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ULONG cwcNoun,
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WCHAR const *pwcModifier,
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ULONG cwcModifier,
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ULONG ulAttachmentType)
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{
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Win4Assert( !"PutSmallPhrase - Not yet implemented" );
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return PSINK_E_INDEX_ONLY;
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}
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// IUnknown functions
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virtual SCODE STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObject);
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virtual ULONG STDMETHODCALLTYPE AddRef();
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virtual ULONG STDMETHODCALLTYPE Release();
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private:
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CKeyBuf _key;
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OCCURRENCE _occ;
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CVectorRestriction* _pVectorRst;
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OCCURRENCE _occLast;
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const CFullPropSpec & _ps;
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LCID _lcid;
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ULONG _ulWeight;
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CPidMapper & _pidMap;
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CLangList & _langList;
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};
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