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458 lines
12 KiB
458 lines
12 KiB
//+-------------------------------------------------------------------------
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//
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// Copyright (C) Microsoft Corporation, 1992 - 1993.
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//
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// File: metapenm.cxx
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//
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// Contents: Meta property enumerator
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//--------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <metapenm.hxx>
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#include <catalog.hxx>
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::CMetaPropEnum, public
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//
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// Synopsis: Constructor
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//
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// Arguments: [cat] -- Catalog
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// [pQueryPropMapper] -- Pid Remapper associated with the query
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// [secCache] -- Cache of AccessCheck() results
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// [fUsePathAlias] -- TRUE if client is going through rdr/svr
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//
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// History: 19-Aug-93 KyleP Created
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//
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//--------------------------------------------------------------------------
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CMetaPropEnum::CMetaPropEnum( PCatalog & cat,
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ICiQueryPropertyMapper *pQueryPropMapper,
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CSecurityCache & secCache,
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BOOL fUsePathAlias )
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: CGenericPropRetriever( cat,
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pQueryPropMapper,
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secCache,
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0 ), // Never fixup 'path'
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_iBmk( 0 )
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{
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_Path.Buffer = _awcGuid;
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_Path.Length = ccStringizedGuid * sizeof(WCHAR);
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::~CMetaPropEnum, public
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//
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// Synopsis: Destructor
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//
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// History: 19-Aug-93 KyleP Created
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//
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//--------------------------------------------------------------------------
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CMetaPropEnum::~CMetaPropEnum()
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{
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::NextObject, public
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//
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// Synopsis: Move to next object
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//
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// Returns: Work id of next valid object, or widInvalid if end of
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// iteration.
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//
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// History: 19-Aug-93 KyleP Created
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//
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//--------------------------------------------------------------------------
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WORKID CMetaPropEnum::NextObject()
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{
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if ( !_cat.EnumerateProperty( _psCurrent, _cbCurrent, _typeCurrent,
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_storeLevelCurrent, _fModifiableCurrent,
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_iBmk ) )
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return widInvalid;
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//
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// String-ify the guid
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//
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swprintf( _awcGuid,
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L"%08lX-%04X-%04X-%02X%02X%02X%02X%02X%02X%02X%02X",
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_psCurrent.GetPropSet().Data1,
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_psCurrent.GetPropSet().Data2,
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_psCurrent.GetPropSet().Data3,
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_psCurrent.GetPropSet().Data4[0], _psCurrent.GetPropSet().Data4[1],
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_psCurrent.GetPropSet().Data4[2], _psCurrent.GetPropSet().Data4[3],
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_psCurrent.GetPropSet().Data4[4], _psCurrent.GetPropSet().Data4[5],
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_psCurrent.GetPropSet().Data4[6], _psCurrent.GetPropSet().Data4[7] );
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//
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// String-ify the PropId, if appropriate.
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//
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if ( _psCurrent.IsPropertyPropid() )
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{
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_Name.Length = (USHORT)(sizeof(WCHAR) * swprintf( _awcPropId, L"%u", _psCurrent.GetPropertyPropid() ));
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_Name.Buffer = _awcPropId;
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}
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else
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{
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_Name.Buffer = (WCHAR *)_psCurrent.GetPropertyName();
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_Name.Length = sizeof(WCHAR) * wcslen( _Name.Buffer );
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}
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return _iBmk;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::GetPropGuid
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//
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// Synopsis: Returns guid property
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//
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// History: 12-Dec-96 SitaramR Added header
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//
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//--------------------------------------------------------------------------
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BOOL CMetaPropEnum::GetPropGuid( GUID & guid )
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{
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RtlCopyMemory( &guid, &(_psCurrent.GetPropSet()), sizeof(guid) );
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return TRUE;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::GetPropPid
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//
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// Synopsis: Returns propid property
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//
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// History: 12-Dec-96 SitaramR Added header
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//
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//--------------------------------------------------------------------------
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PROPID CMetaPropEnum::GetPropPropid()
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{
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if ( _psCurrent.IsPropertyPropid() )
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return _psCurrent.GetPropertyPropid();
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else
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return pidInvalid;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::GetPropName
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//
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// Synopsis: Returns propname property
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//
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// History: 12-Dec-96 SitaramR Added header
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//
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//--------------------------------------------------------------------------
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UNICODE_STRING const * CMetaPropEnum::GetPropName()
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{
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if ( _psCurrent.IsPropertyName() )
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return &_Name;
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else
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return 0;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::BeginPropertyRetrieval
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//
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// Synopsis: Prime wid for property retrieval
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//
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// Arguments: [wid] -- Wid to prime
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//--------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CMetaPropEnum::BeginPropertyRetrieval( WORKID wid )
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{
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//
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// Check that we are retrieving the property for the wid on
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// which we are currently positioned
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//
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Win4Assert( wid == _widCurrent );
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Win4Assert( _widPrimedForPropRetrieval == widInvalid );
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if ( wid == _widCurrent )
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{
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_widPrimedForPropRetrieval = _widCurrent;
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return S_OK;
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}
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else
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return E_FAIL;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::IsInScope
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//
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// Synopsis: Checks if current wid is in scope
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//
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// Arguments: [pfInScope] -- Scope check result returned here
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//--------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CMetaPropEnum::IsInScope( BOOL *pfInScope )
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{
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if ( widInvalid == _widPrimedForPropRetrieval )
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return CI_E_WORKID_NOTVALID;
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*pfInScope = TRUE;
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return S_OK;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::CheckSecurity
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//
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// Synopsis: Test wid for security access
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//
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// Arguments: [am] -- Access Mask
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// [pfGranted] -- Result of security check returned here
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//--------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CMetaPropEnum::CheckSecurity( ACCESS_MASK am,
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BOOL *pfGranted)
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{
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if ( _widPrimedForPropRetrieval == widInvalid )
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return CI_E_WORKID_NOTVALID;
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*pfGranted = TRUE;
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return S_OK;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::Begin
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//
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// Synopsis: Begins an enumeration
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//--------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CMetaPropEnum::Begin()
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{
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SCODE sc = S_OK;
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TRY
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{
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_iBmk = 0;
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_widCurrent = NextObject();
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}
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CATCH( CException, e )
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{
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sc = e.GetErrorCode();
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vqDebugOut(( DEB_ERROR,
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"CMetaPropEnum::Begin - Exception caught 0x%x\n",
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sc ));
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}
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END_CATCH;
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return sc;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::CurrentDocument
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//
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// Synopsis: Returns current document
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//
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// Arguments: [pWorkId] -- Wid of current doc returned here
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//--------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CMetaPropEnum::CurrentDocument( WORKID *pWorkId )
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{
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*pWorkId = _widCurrent;
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if ( _widCurrent == widInvalid )
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return CI_S_END_OF_ENUMERATION;
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else
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return S_OK;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::NextDocument
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//
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// Synopsis: Returns next document
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//
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// Arguments: [pWorkId] -- Wid of next doc returned here
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//--------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CMetaPropEnum::NextDocument( WORKID *pWorkId )
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{
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SCODE sc = S_OK;
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TRY
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{
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_widCurrent = NextObject();
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sc = CurrentDocument( pWorkId );
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}
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CATCH( CException, e )
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{
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sc = e.GetErrorCode();
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vqDebugOut(( DEB_ERROR,
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"CMetaPropEnum::NextDocument - Exception caught 0x%x\n",
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sc ));
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}
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END_CATCH;
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return sc;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::End
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//
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// Synopsis: Ends an enumeration
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//--------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CMetaPropEnum::End()
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{
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_widCurrent = widInvalid;
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return S_OK;
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CMetaPropEnum::AddRef
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//
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// Synopsis: Increments refcount
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//
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// History: 12-Dec-1996 SitaramR Created
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//
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//--------------------------------------------------------------------------
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ULONG STDMETHODCALLTYPE CMetaPropEnum::AddRef()
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{
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return CGenericPropRetriever::AddRef();
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CMetaPropEnum::Release
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//
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// Synopsis: Decrement refcount. Delete if necessary.
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//
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// History: 12-Dec-1996 SitaramR Created
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//
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//--------------------------------------------------------------------------
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ULONG STDMETHODCALLTYPE CMetaPropEnum::Release()
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{
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return CGenericPropRetriever::Release();
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CMetaPropEnum::QueryInterface
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//
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// Synopsis: Rebind to other interface
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//
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// Arguments: [riid] -- IID of new interface
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// [ppvObject] -- New interface * returned here
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//
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// Returns: S_OK if bind succeeded, E_NOINTERFACE if bind failed
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//
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// History: 12-Dec-1996 SitaramR Created
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//
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//--------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CMetaPropEnum::QueryInterface(
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REFIID riid,
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void ** ppvObject)
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{
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if ( IID_ICiCScopeEnumerator == riid )
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*ppvObject = (ICiCScopeEnumerator *)this;
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else if ( IID_ICiCPropRetriever == riid )
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*ppvObject = (ICiCPropRetriever *)this;
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else if ( IID_IUnknown == riid )
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*ppvObject = (IUnknown *)(ICiCScopeEnumerator *) this;
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else
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{
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*ppvObject = 0;
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return E_NOINTERFACE;
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}
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AddRef();
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return S_OK;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CMetaPropEnum::RatioFinished, public
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//
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// Synopsis: Returns query progress estimate
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//
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// Arguments: [denom] -- Denominator returned here
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// [num] -- Numerator returned here
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//----------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CMetaPropEnum::RatioFinished (ULONG *pDenom, ULONG *pNum)
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{
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*pNum = 50;
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*pDenom = 100;
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return S_OK;
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}
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