94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
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// SYSSRT.H: Definition of CITSysSort sort object implementation.
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#ifndef __SYSSRT_H__
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#define __SYSSRT_H__
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#include "verinfo.h"
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#define VERSION_SYSSORT (MAKELONG(MAKEWORD(0, rapFile), MAKEWORD(rmmFile, rmjFile)))
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// Sort control structure that contains all the information that can
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// vary how keys are compared.
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typedef struct _srtctl
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{
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DWORD dwCodePageID;
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LCID lcid;
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DWORD dwKeyType;
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DWORD grfSortFlags;
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} SRTCTL;
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class CITSysSort :
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public IITSortKey,
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public IITSortKeyConfig,
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public IPersistStreamInit,
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public CComObjectRootEx<CComMultiThreadModel>,
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public CComCoClass<CITSysSort,&CLSID_ITSysSort>
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{
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public:
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CITSysSort();
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virtual ~CITSysSort();
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BEGIN_COM_MAP(CITSysSort)
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COM_INTERFACE_ENTRY(IITSortKey)
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COM_INTERFACE_ENTRY(IITSortKeyConfig)
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COM_INTERFACE_ENTRY(IPersistStreamInit)
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END_COM_MAP()
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DECLARE_REGISTRY(CLSID_ITSysSort, "ITIR.SystemSort.4", "ITIR.SystemSort", 0, THREADFLAGS_BOTH )
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// IITSortKey methods
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STDMETHOD(GetSize)(LPCVOID lpcvKey, DWORD *pcbSize);
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STDMETHOD(Compare)(LPCVOID lpcvKey1, LPCVOID lpcvKey2,
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LONG *plResult, DWORD *pgrfReason);
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STDMETHOD(IsRelated)(LPCVOID lpcvKey1, LPCVOID lpcvKey2,
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DWORD dwKeyRelation, DWORD *pgrfReason);
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STDMETHOD(Convert)(DWORD dwKeyTypeIn, LPCVOID lpcvKeyIn,
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DWORD dwKeyTypeOut, LPVOID lpvKeyOut,
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DWORD *pcbSizeOut);
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STDMETHOD(ResolveDuplicates)(LPCVOID lpcvKey1, LPCVOID lpcvKey2,
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LPCVOID lpvKeyOut, DWORD *pcbSizeOut);
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// IITSortKeyConfig methods
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STDMETHOD(SetLocaleInfo)(DWORD dwCodePageID, LCID lcid);
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STDMETHOD(GetLocaleInfo)(DWORD *pdwCodePageID, LCID *plcid);
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STDMETHOD(SetKeyType)(DWORD dwKeyType);
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STDMETHOD(GetKeyType)(DWORD *pdwKeyType);
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STDMETHOD(SetControlInfo)(DWORD grfSortFlags, DWORD dwReserved);
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STDMETHOD(GetControlInfo)(DWORD *pgrfSortFlags, DWORD *pdwReserved);
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STDMETHOD(LoadExternalSortData)(IStream *pStream, DWORD dwExtDataType);
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// IPersistStreamInit methods
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STDMETHOD(GetClassID)(CLSID *pclsid);
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STDMETHOD(IsDirty)(void);
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STDMETHOD(Load)(IStream *pStream);
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STDMETHOD(Save)(IStream *pStream, BOOL fClearDirty);
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STDMETHOD(GetSizeMax)(ULARGE_INTEGER *pcbSizeMax);
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STDMETHOD(InitNew)(void);
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private:
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// Private methods
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void Close(void);
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HRESULT ReallocBuffer(HGLOBAL *phmemBuf, DWORD *cbBufCur, DWORD cbBufNew);
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HRESULT CompareSz(LPCVOID lpvSz1, LONG cch1, LPCVOID lpvSz2, LONG cch2,
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LONG *plResult, BOOL fUnicode);
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// Private data members
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BOOL m_fInitialized;
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BOOL m_fDirty;
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BOOL m_fWinNT;
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SRTCTL m_srtctl;
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HGLOBAL m_hmemAnsi1, m_hmemAnsi2;
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DWORD m_cbBufAnsi1Cur, m_cbBufAnsi2Cur;
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_ThreadModel::AutoCriticalSection m_cs; // Critical section obj.
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};
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// Initial size of Ansi string buffers.
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#define cbAnsiBufInit 256
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#endif // __SYSSRT_H__
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