Source code of Windows XP (NT5)
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//+--------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1996 - 1999
//
// File: row.h
//
// Contents: CertView implementation
//
//---------------------------------------------------------------------------
class CEnumCERTVIEWROW:
public IDispatchImpl<
IEnumCERTVIEWROW,
&IID_IEnumCERTVIEWROW,
&LIBID_CERTADMINLib>,
public ISupportErrorInfoImpl<&IID_IEnumCERTVIEWROW>,
public CComObjectRoot
// Not externally createable:
//public CComCoClass<CEnumCERTVIEWROW, &CLSID_CEnumCERTVIEWROW>
{
public:
CEnumCERTVIEWROW();
~CEnumCERTVIEWROW();
BEGIN_COM_MAP(CEnumCERTVIEWROW)
COM_INTERFACE_ENTRY(IDispatch)
COM_INTERFACE_ENTRY(ISupportErrorInfo)
COM_INTERFACE_ENTRY(IEnumCERTVIEWROW)
END_COM_MAP()
DECLARE_NOT_AGGREGATABLE(CEnumCERTVIEWROW)
// Remove the comment from the line above if you don't want your object to
// support aggregation. The default is to support it
#if 0 // Not externally createable:
DECLARE_REGISTRY(
CEnumCERTVIEWROW,
wszCLASS_EnumCERTVIEWROW TEXT(".1"),
wszCLASS_EnumCERTVIEWROW,
IDS_ENUMCERTVIEWROW_DESC,
THREADFLAGS_BOTH)
#endif
// IUnknown
STDMETHODIMP QueryInterface(const IID& iid, void **ppv);
ULONG STDMETHODCALLTYPE AddRef();
ULONG STDMETHODCALLTYPE Release();
// IEnumCERTVIEWROW
STDMETHOD(Next)(
/* [out, retval] */ LONG *pIndex);
STDMETHOD(EnumCertViewColumn)(
/* [out] */ IEnumCERTVIEWCOLUMN **ppenum);
STDMETHOD(EnumCertViewAttribute)(
/* [in] */ LONG Flags,
/* [out, retval] */ IEnumCERTVIEWATTRIBUTE **ppenum);
STDMETHOD(EnumCertViewExtension)(
/* [in] */ LONG Flags,
/* [out, retval] */ IEnumCERTVIEWEXTENSION **ppenum);
STDMETHOD(Skip)(
/* [in] */ LONG celt);
STDMETHOD(Reset)(VOID);
STDMETHOD(Clone)(
/* [out] */ IEnumCERTVIEWROW **ppenum);
STDMETHOD(GetMaxIndex)(
/* [out, retval] */ LONG *pIndex);
// CEnumCERTVIEWROW
HRESULT Open(
IN ICertView *pvw);
private:
HRESULT _FindCachedRow(
IN LONG ielt,
OUT CERTTRANSDBRESULTROW const **ppRow);
HRESULT _SetErrorInfo(
IN HRESULT hrError,
IN WCHAR const *pwszDescription);
ICertView *m_pvw;
BOOL m_fNoMoreData;
LONG m_cvrcTable;
LONG m_cskip;
LONG m_ielt; // index into full rowset
LONG m_crowChunk; // Row Chunk Size
CERTTRANSDBRESULTROW const *m_arowCache;
ULONG m_celtCache; // cached rowset count
LONG m_ieltCacheFirst; // cached rowset first index
LONG m_ieltCacheNext; // cached rowset last idx+1
LONG m_ieltMax; // max valid index
LONG m_cbCache;
CERTTRANSDBRESULTROW const *m_prowCacheCurrent; // current cached row
// Reference count
long m_cRef;
};