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