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78 lines
2.3 KiB
78 lines
2.3 KiB
// IDXOBR.H: Definition of CITIndexObjBridge
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#ifndef __IDXOBR_H__
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#define __IDXOBR_H__
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#include "verinfo.h"
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#include <itwbrk.h>
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#include <itstem.h>
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// REVIEW (billa): EXBRKPM needs to get moved to mvsearch.h, where PARSE_PARMS
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// is defined. A pointer to this structure will replace the lpfnTable member
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// of PARSE_PARMS.
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class CITIndexObjBridge :
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public IWordSink,
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public IStemSink
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{
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public:
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CITIndexObjBridge();
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virtual ~CITIndexObjBridge();
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// IUnknown methods
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STDMETHOD(QueryInterface)(REFIID riid, LPVOID *ppvObj);
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STDMETHOD_(ULONG, AddRef)(void);
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STDMETHOD_(ULONG, Release)(void);
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// IWordSink methods
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STDMETHOD(PutWord)(WCHAR const *pwcInBuf, ULONG cwc,
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ULONG cwcSrcLen, ULONG cwcSrcPos);
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STDMETHOD(PutAltWord)(WCHAR const *pwcInBuf, ULONG cwc,
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ULONG cwcSrcLen, ULONG cwcSrcPos);
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STDMETHOD(StartAltPhrase)(void);
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STDMETHOD(EndAltPhrase)(void);
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STDMETHOD(PutBreak)(WORDREP_BREAK_TYPE breakType);
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// IStemSink methods
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STDMETHOD(PutWord)(WCHAR const *pwcInBuf, ULONG cwc);
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STDMETHOD(PutAltWord)(WCHAR const *pwcInBuf, ULONG cwc);
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// Public methods not derived from IUnknown.
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STDMETHOD(SetWordBreaker)(PIWBRK piwbrk);
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STDMETHOD(BreakText)(PEXBRKPM pexbrkpm);
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STDMETHOD(LookupStopWord)(LPBYTE lpbStopWord);
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STDMETHOD(StemWord)(LPBYTE lpbStemWord, LPBYTE lpbRawWord);
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STDMETHOD(AddQueryResultTerm)(LPBYTE lpbTermHit, LPVOID *ppvTermHit);
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STDMETHOD(AdjustQueryResultTerms)(void);
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private:
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// Private methods
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HRESULT ReallocBuffer(HGLOBAL *phmemBuf, DWORD *cbBufCur, DWORD cbBufNew);
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// Private Data members
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ULONG m_cRef;
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PIWBRK m_piwbrk; // pointer to IWordBreaker
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PIWBRKC m_piwbrkc; // pointer to IWordBreakerConfig
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PISTEM m_pistem; // pointer to IStemmer
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PIITSTWDL m_piitstwdl; // pointer to IITStopWordList
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DWORD m_dwCodePageID; // from breaker to do AToW/WToA
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PEXBRKPM m_pexbrkpm; // Params for BreakText call in progress.
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BOOL m_fNormWord;
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HGLOBAL m_hmemSrc;
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HGLOBAL m_hmemDestNorm;
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HGLOBAL m_hmemDestRaw;
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DWORD m_cbBufSrcCur;
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DWORD m_cbBufDestNormCur;
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DWORD m_cbBufDestRawCur;
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LPSIPB m_lpsipbTermHit;
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};
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// Initial size of Ansi<->Unicode string conversion buffers.
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#define cbConvBufInit 256
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#define IDXOBR_TERMHASH_SIZE 1013 // Large prime number good for supporting
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// thousands of term hit words.
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#endif // __IDXOBR_H__
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