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78 lines
2.2 KiB
78 lines
2.2 KiB
// ITSTEM.H: (from Tripoli) IStemmer, IStemSink
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// (from InfoTech) IStemmerConfig
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// (from Tripoli and InfoTech) Supporting definitions.
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#ifndef __ITSTEM_H__
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#define __ITSTEM_H__
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#include <comdef.h>
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#ifndef __IStemSink_FWD_DEFINED__
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#define __IStemSink_FWD_DEFINED__
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typedef interface IStemSink IStemSink;
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#endif /* __IStemSink_FWD_DEFINED__ */
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#ifndef __IStemmer_FWD_DEFINED__
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#define __IStemmer_FWD_DEFINED__
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typedef interface IStemmer IStemmer;
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#endif /* __IStemmer_FWD_DEFINED__ */
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#ifndef __IStemmerConfig_FWD_DEFINED__
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#define __IStemmerConfig_FWD_DEFINED__
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typedef interface IStemmerConfig IStemmerConfig;
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#endif /* __IStemmerConfig_FWD_DEFINED__ */
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DECLARE_INTERFACE_(IStemmer, IUnknown)
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{
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STDMETHOD(Init)(ULONG ulMaxTokenSize, BOOL *pfLicense) PURE;
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STDMETHOD(GetLicenseToUse)(WCHAR const **ppwcsLicense) PURE;
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STDMETHOD(StemWord)(WCHAR const *pwcInBuf, ULONG cwc,
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IStemSink *pStemSink) PURE;
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};
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typedef IStemmer *PISTEM;
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DECLARE_INTERFACE_(IStemSink, IUnknown)
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{
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STDMETHOD(PutAltWord)(WCHAR const *pwcInBuf, ULONG cwc) PURE;
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STDMETHOD(PutWord)(WCHAR const *pwcInBuf, ULONG cwc) PURE;
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};
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typedef IStemSink *PISTEMSNK;
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DECLARE_INTERFACE_(IStemmerConfig, IUnknown)
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{
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// Sets/gets locale info that will affect the stemming
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// behavior of IStemmer::StemWord.
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// Returns S_OK if locale described by params is supported
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// by the breaker object; E_INVALIDARG otherwise.
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STDMETHOD(SetLocaleInfo)(DWORD dwCodePageID, LCID lcid) PURE;
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STDMETHOD(GetLocaleInfo)(DWORD *pdwCodePageID, LCID *plcid) PURE;
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// Sets/gets info that controls certain aspects of stemming.
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// This method currently accepts only the following set of flags
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// in grfStemFlags:
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// In the future, additional information may be passed in through
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// dwReserved.
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STDMETHOD(SetControlInfo)(DWORD grfStemFlags, DWORD dwReserved) PURE;
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STDMETHOD(GetControlInfo)(DWORD *pgrfStemFlags, DWORD *pdwReserved) PURE;
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// Will load external stemmer data, such as word part lists, etc.
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// The format of the data in the stream is entirely
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// implementation-specific.
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STDMETHOD(LoadExternalStemmerData)(IStream *pStream,
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DWORD dwExtDataType) PURE;
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};
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typedef IStemmerConfig *PISTEMC;
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#endif // __ITSTEM_H__
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