mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
132 lines
3.9 KiB
132 lines
3.9 KiB
// STDBRKR.H: Definition of CITStdBreaker breaker object implementation.
|
|
|
|
#ifndef __STDBRKR_H__
|
|
#define __STDBRKR_H__
|
|
|
|
#include <itwbrk.h>
|
|
#include <itwbrkid.h>
|
|
#include "verinfo.h"
|
|
|
|
|
|
#define VERSION_STDBRKR (MAKELONG(MAKEWORD(0, rapFile), MAKEWORD(rmmFile, rmjFile)))
|
|
|
|
|
|
// Group of flags that indicate what data has been persisted to the
|
|
// breaker's stream.
|
|
#define ITSTDBRK_PERSISTED_BRKCTL 0x00000001
|
|
#define ITSTDBRK_PERSISTED_CHARTABLE 0x00000002
|
|
#define ITSTDBRK_PERSISTED_STOPWORDLIST 0x00000004
|
|
#define ITSTDBRK_PERSISTED_STEMMER 0x00000008
|
|
|
|
// Max number of stop words allowed.
|
|
#define ITSTDBRK_STOPHASH_SIZE 211 // A good prime number for supporting
|
|
// up to about 2000 stop words.
|
|
|
|
// Breaker control structure that contains information that can
|
|
// vary how text words are interpreted and broken.
|
|
typedef struct _brkctl
|
|
{
|
|
DWORD dwCodePageID;
|
|
LCID lcid;
|
|
DWORD dwBreakWordType;
|
|
DWORD grfBreakFlags;
|
|
} BRKCTL;
|
|
|
|
|
|
// Word callback function param struct that is passed to StdBreakerWordFunc,
|
|
// which wraps the IWordSink implementation as far as the internal
|
|
// word breaking functions are concerned.
|
|
typedef struct _wrdfnpm
|
|
{
|
|
PIWRDSNK piwrdsnk;
|
|
DWORD dwCodePageID;
|
|
HGLOBAL hmemUnicode;
|
|
DWORD cbBufUnicodeCur;
|
|
LPBYTE lpbBuf; // MBCS text buffer.
|
|
} WRDFNPM;
|
|
|
|
|
|
class CITStdBreaker :
|
|
public IWordBreaker,
|
|
public IWordBreakerConfig,
|
|
public IPersistStreamInit,
|
|
public IITStopWordList,
|
|
public CComObjectRootEx<CComMultiThreadModel>,
|
|
public CComCoClass<CITStdBreaker,&CLSID_ITStdBreaker>
|
|
{
|
|
public:
|
|
CITStdBreaker();
|
|
virtual ~CITStdBreaker();
|
|
|
|
|
|
BEGIN_COM_MAP(CITStdBreaker)
|
|
COM_INTERFACE_ENTRY(IWordBreaker)
|
|
COM_INTERFACE_ENTRY(IWordBreakerConfig)
|
|
COM_INTERFACE_ENTRY(IPersistStreamInit)
|
|
COM_INTERFACE_ENTRY(IITStopWordList)
|
|
END_COM_MAP()
|
|
|
|
DECLARE_REGISTRY(CLSID_ITStdBreaker, "ITIR.StdWordBreaker.4", "ITIR.StdWordBreaker", 0, THREADFLAGS_BOTH )
|
|
|
|
// IWordBreaker methods
|
|
STDMETHOD(Init)(BOOL fQuery, ULONG ulMaxTokenSize, BOOL *pfLicense);
|
|
STDMETHOD(BreakText)(TEXT_SOURCE *pTextSource, IWordSink *pWordSink,
|
|
IPhraseSink *pPhraseSink);
|
|
STDMETHOD(ComposePhrase)(WCHAR const *pwcNoun, ULONG cwcNoun,
|
|
WCHAR const *pwcModifier, ULONG cwcModifier,
|
|
ULONG ulAttachmentType, WCHAR *pwcPhrase,
|
|
ULONG *pcwcPhrase);
|
|
STDMETHOD(GetLicenseToUse)(WCHAR const **ppwcsLicense);
|
|
|
|
// IWordBreakerConfig methods
|
|
STDMETHOD(SetLocaleInfo)(DWORD dwCodePageID, LCID lcid);
|
|
STDMETHOD(GetLocaleInfo)(DWORD *pdwCodePageID, LCID *plcid);
|
|
STDMETHOD(SetBreakWordType)(DWORD dwBreakWordType);
|
|
STDMETHOD(GetBreakWordType)(DWORD *pdwBreakWordType);
|
|
STDMETHOD(SetControlInfo)(DWORD grfBreakFlags, DWORD dwReserved);
|
|
STDMETHOD(GetControlInfo)(DWORD *pgrfBreakFlags, DWORD *pdwReserved);
|
|
STDMETHOD(LoadExternalBreakerData)(IStream *pStream, DWORD dwExtDataType);
|
|
STDMETHOD(SetWordStemmer)(REFCLSID rclsid, IStemmer *pStemmer);
|
|
STDMETHOD(GetWordStemmer)(IStemmer **ppStemmer);
|
|
|
|
// IITStopWordList methods.
|
|
STDMETHOD(AddWord)(WCHAR const *pwcInBuf, ULONG cwc);
|
|
STDMETHOD(LookupWord)(WCHAR const *pwcInBuf, ULONG cwc);
|
|
|
|
// IPersistStreamInit methods
|
|
STDMETHOD(GetClassID)(CLSID *pclsid);
|
|
STDMETHOD(IsDirty)(void);
|
|
STDMETHOD(Load)(IStream *pStream);
|
|
STDMETHOD(Save)(IStream *pStream, BOOL fClearDirty);
|
|
STDMETHOD(GetSizeMax)(ULARGE_INTEGER *pcbSizeMax);
|
|
STDMETHOD(InitNew)(void);
|
|
|
|
private:
|
|
// Private methods
|
|
HRESULT StopListOp(WCHAR const *pwcInBuf, ULONG cwc, BOOL fAddWord);
|
|
HRESULT ReallocBuffer(HGLOBAL *phmemBuf, DWORD *cbBufCur, DWORD cbBufNew);
|
|
void ClearMembers(void);
|
|
void InitBrkCtl(void);
|
|
void Close(void);
|
|
|
|
// Private data members
|
|
BOOL m_fInitialized;
|
|
BOOL m_fDirty;
|
|
BOOL m_fQueryContext;
|
|
DWORD m_grfPersistedItems;
|
|
BRKCTL m_brkctl;
|
|
HGLOBAL m_hmemAnsi;
|
|
DWORD m_cbBufAnsiCur;
|
|
LPCTAB m_lpctab;
|
|
LPSIPB m_lpsipb;
|
|
PISTEM m_pistem;
|
|
CLSID m_clsidStemmer;
|
|
_ThreadModel::AutoCriticalSection m_cs; // Critical section obj.
|
|
};
|
|
|
|
|
|
// Initial size of Ansi string buffers.
|
|
#define cbAnsiBufInit 256
|
|
|
|
|
|
#endif // __STDBRKR_H__
|