767 lines
19 KiB
C++
767 lines
19 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Copyright (C) Microsoft Corporation, 1992 - 1997
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//
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// File: vrootenm.cxx
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//
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// Contents: Virtual roots 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 <vrtenum.hxx>
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#include <catalog.hxx>
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#include <smatch.hxx>
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//+-------------------------------------------------------------------------
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//
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// Member: CVRootEnum::CVRootEnum, 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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CVRootEnum::CVRootEnum( 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, // Always return local roots. No fixups.
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FALSE ), // No per-root security check
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_iBmk( 0 )
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{
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//
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// You must be an admin to use this cursor, since per-object
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// security checkin is turned off. This function throws.
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//
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VerifyThreadHasAdminPrivilege();
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_Path.Buffer = (WCHAR*)_lcaseFunnyPath.GetActualPath(); // points to actual path
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_VPath.Buffer = _xwcsVPath.Get();
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//
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// No filename for roots.
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//
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_Name.Buffer = 0;
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_Name.Length = 0;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CVRootEnum::~CVRootEnum, public
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//
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// Synopsis: Clean up context index cursor
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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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CVRootEnum::~CVRootEnum()
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{
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CVRootEnum::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 CVRootEnum::NextObject()
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{
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PurgeCachedInfo();
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WORKID wid;
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unsigned ccVPath = 0;
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unsigned ccPPath = 0;
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_Type = _cat.EnumerateVRoot( _xwcsVPath, // Full virtual root
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ccVPath, // + max length / return length
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_lcaseFunnyPath, // Full physical root
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ccPPath, // + max length / return length
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_iBmk ); // Bookmark
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if ( _Type != PCatalog::EndRoot )
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{
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_VPath.Length = (USHORT)(ccVPath * sizeof(WCHAR));
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_VPath.Buffer = _xwcsVPath.Get(); // buffer might have reallocated
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_Path.Length = (USHORT)((_lcaseFunnyPath.GetActualLength()) * sizeof(WCHAR));
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_Path.Buffer = (WCHAR*)_lcaseFunnyPath.GetActualPath(); // buffer might have reallocated
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wid = _cat.PathToWorkId( _lcaseFunnyPath, TRUE );
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}
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else
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wid = widInvalid;
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return( wid );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CVRootEnum::GetPath, public
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//
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// Returns: A path to file
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//
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// History: 07-Feb-96 KyleP Added header
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//
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//----------------------------------------------------------------------------
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UNICODE_STRING const * CVRootEnum::GetPath()
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{
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return &_Path;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CVRootEnum::GetVirtualPath, public
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//
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// Returns: A virtual path to file, or 0 if none exists.
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//
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// History: 07-Feb-96 KyleP Added header
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//
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//----------------------------------------------------------------------------
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UNICODE_STRING const * CVRootEnum::GetVirtualPath()
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{
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return &_VPath;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CVRootEnum::GetShortName, public
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//
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// Returns: Shortname of physical path
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//
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// History: 07-Feb-96 KyleP Added header
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//
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//----------------------------------------------------------------------------
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inline UNICODE_STRING const * CVRootEnum::GetShortName()
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{
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if ( !_fFindLoaded )
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Refresh( FALSE );
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_ShortName.Length = (USHORT)wcslen( _finddata.cAlternateFileName );
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if ( _ShortName.Length == 0 )
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return &_Name;
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_ShortName.MaximumLength = _ShortName.Length;
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_ShortName.Buffer = &_finddata.cAlternateFileName[0];
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return( &_ShortName );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CVRootEnum::CreateTime, public
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//
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// Returns: Create time of physical path
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//
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// History: 07-Feb-96 KyleP Added header
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//
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//----------------------------------------------------------------------------
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inline LONGLONG CVRootEnum::CreateTime()
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{
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//
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// First, should we try a fast path?
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//
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if ( 0 == (_fFastStatLoaded & fsCreate) )
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{
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//
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// Try property store?
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//
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if ( 0 == (_fFastStatNeverLoad & fsCreate) )
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{
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PROPVARIANT var;
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unsigned cb = sizeof(var);
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if ( FetchValue( pidCreateTime, &var, &cb ) )
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{
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_finddata.ftCreationTime.dwLowDateTime = var.hVal.LowPart;
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_finddata.ftCreationTime.dwHighDateTime = var.hVal.HighPart;
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}
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else
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{
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_fFastStatNeverLoad |= fsCreate;
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Refresh( TRUE );
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}
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}
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else
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{
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Win4Assert( !_fFastFindLoaded );
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Refresh( TRUE );
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}
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}
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LARGE_INTEGER li;
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li.LowPart = _finddata.ftCreationTime.dwLowDateTime;
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li.HighPart = _finddata.ftCreationTime.dwHighDateTime;
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return( litoll(li) );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CVRootEnum::ModifyTime, public
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//
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// Returns: Last write time of physical path
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//
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// History: 07-Feb-96 KyleP Added header
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//
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//----------------------------------------------------------------------------
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inline LONGLONG CVRootEnum::ModifyTime()
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{
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//
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// First, should we try a fast path?
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//
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if ( 0 == (_fFastStatLoaded & fsModify) )
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{
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//
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// Try property store?
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//
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if ( 0 == (_fFastStatNeverLoad & fsModify) )
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{
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PROPVARIANT var;
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unsigned cb = sizeof(var);
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if ( FetchValue( pidWriteTime, &var, &cb ) )
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{
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_finddata.ftLastWriteTime.dwLowDateTime = var.hVal.LowPart;
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_finddata.ftLastWriteTime.dwHighDateTime = var.hVal.HighPart;
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}
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else
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{
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_fFastStatNeverLoad |= fsModify;
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Refresh( TRUE );
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}
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}
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else
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{
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Win4Assert( !_fFastFindLoaded );
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Refresh( TRUE );
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}
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}
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LARGE_INTEGER li;
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li.LowPart = _finddata.ftLastWriteTime.dwLowDateTime;
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li.HighPart = _finddata.ftLastWriteTime.dwHighDateTime;
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return( litoll(li) );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CVRootEnum::AccessTime, public
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//
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// Returns: Last access time of physical path
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//
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// History: 07-Feb-96 KyleP Added header
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//
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//----------------------------------------------------------------------------
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inline LONGLONG CVRootEnum::AccessTime()
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{
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//
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// First, should we try a fast path?
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//
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if ( 0 == (_fFastStatLoaded & fsAccess) )
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{
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//
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// Try property store?
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//
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if ( 0 == (_fFastStatNeverLoad & fsAccess) )
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{
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PROPVARIANT var;
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unsigned cb = sizeof(var);
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if ( FetchValue( pidAccessTime, &var, &cb ) )
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{
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_finddata.ftLastAccessTime.dwLowDateTime = var.hVal.LowPart;
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_finddata.ftLastAccessTime.dwHighDateTime = var.hVal.HighPart;
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}
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else
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{
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_fFastStatNeverLoad |= fsAccess;
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Refresh( TRUE );
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}
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}
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else
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{
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Win4Assert( !_fFastFindLoaded );
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Refresh( TRUE );
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}
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}
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LARGE_INTEGER li;
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li.LowPart = _finddata.ftLastAccessTime.dwLowDateTime;
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li.HighPart = _finddata.ftLastAccessTime.dwHighDateTime;
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return( litoll(li) );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CVRootEnum::AccessTime, public
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//
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// Returns: Zero, which is always size of directory.
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//
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// History: 07-Feb-96 KyleP Added header
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//
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//----------------------------------------------------------------------------
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inline LONGLONG CVRootEnum::ObjectSize()
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{
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return 0;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CVRootEnum::Attributes, public
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//
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// Returns: File attributes for physical root.
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//
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// History: 07-Feb-96 KyleP Added header
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//
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//----------------------------------------------------------------------------
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inline ULONG CVRootEnum::Attributes()
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{
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//
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// First, should we try a fast path?
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//
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if ( 0 == (_fFastStatLoaded & fsAttrib) )
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{
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//
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// Try property store?
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//
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if ( 0 == (_fFastStatNeverLoad & fsAttrib) )
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{
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PROPVARIANT var;
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unsigned cb = sizeof(var);
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if ( FetchValue( pidAttrib, &var, &cb ) )
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{
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_finddata.dwFileAttributes = var.ulVal;
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}
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else
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{
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_fFastStatNeverLoad |= fsAttrib;
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Refresh( TRUE );
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}
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}
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else
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{
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Win4Assert( !_fFastFindLoaded );
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Refresh( TRUE );
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}
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}
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return( _finddata.dwFileAttributes );
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CVRootEnum::GetVRootType, public
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//
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// Returns: Stat info for virtual root
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//
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// History: 11-Apr-96 KyleP Created
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//
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//----------------------------------------------------------------------------
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BOOL CVRootEnum::GetVRootType( ULONG & ulType )
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{
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ulType = _Type;
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return TRUE;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CVRootEnum::Refresh, private
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//
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// Synopsis: Load stat properties for current object
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//
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// Arguments: [fFast] -- If TRUE, make fast call and don't load alternate
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// file name.
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//
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// Returns: TRUE if load successful
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//
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||
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// History: 19-Aug-93 KyleP Created
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||
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// 29-Feb-96 KyleP Added GetFileAttributesEx support
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//
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//--------------------------------------------------------------------------
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BOOL CVRootEnum::Refresh( BOOL fFast )
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{
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if ( CImpersonateRemoteAccess::IsNetPath(_Path.Buffer) )
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{
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|
|
WCHAR const * pwszVPath = _VPath.Buffer;
|
||
|
|
|
||
|
|
_remoteAccess.ImpersonateIf( _Path.Buffer,
|
||
|
|
pwszVPath );
|
||
|
|
}
|
||
|
|
else if ( _remoteAccess.IsImpersonated() )
|
||
|
|
{
|
||
|
|
_remoteAccess.Release();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( fFast )
|
||
|
|
{
|
||
|
|
if ( !GetFileAttributesEx( _lcaseFunnyPath.GetPath(), GetFileExInfoStandard, &_finddata ) )
|
||
|
|
{
|
||
|
|
vqDebugOut(( DEB_ERROR, "Can't retrieve fast findfirst data for %ws. Error = %d\n",
|
||
|
|
_lcaseFunnyPath.GetActualPath(), GetLastError() ));
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
_fFastFindLoaded = TRUE;
|
||
|
|
_fFastStatLoaded = fsCreate | fsModify | fsAccess | fsSize | fsAttrib;
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
HANDLE h = FindFirstFile( _lcaseFunnyPath.GetPath(), &_finddata );
|
||
|
|
|
||
|
|
if ( INVALID_HANDLE_VALUE == h )
|
||
|
|
{
|
||
|
|
vqDebugOut(( DEB_ERROR, "Can't retrieve findfirst data for %ws\n",
|
||
|
|
_lcaseFunnyPath.GetActualPath() ));
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
FindClose( h );
|
||
|
|
_fFindLoaded = TRUE;
|
||
|
|
_fFastFindLoaded = TRUE;
|
||
|
|
_fFastStatLoaded = fsCreate | fsModify | fsAccess | fsSize | fsAttrib;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CVRootEnum::BeginPropertyRetrieval
|
||
|
|
//
|
||
|
|
// Synopsis: Prime wid for property retrieval
|
||
|
|
//
|
||
|
|
// Arguments: [wid] -- Wid to prime
|
||
|
|
//
|
||
|
|
// History: 12-Dec-96 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
SCODE STDMETHODCALLTYPE CVRootEnum::BeginPropertyRetrieval( WORKID wid )
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// Check that we are retrieving the property for the wid on
|
||
|
|
// which we are currently positioned
|
||
|
|
//
|
||
|
|
Win4Assert( wid == _widCurrent );
|
||
|
|
Win4Assert( _widPrimedForPropRetrieval == widInvalid );
|
||
|
|
|
||
|
|
if ( wid == _widCurrent )
|
||
|
|
{
|
||
|
|
_widPrimedForPropRetrieval = _widCurrent;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
return E_FAIL;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CVRootEnum::EndPropertyRetrieval
|
||
|
|
//
|
||
|
|
// Synopsis: Reset wid for property retrieval
|
||
|
|
//
|
||
|
|
// History: 12-Dec-96 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
SCODE STDMETHODCALLTYPE CVRootEnum::EndPropertyRetrieval( )
|
||
|
|
{
|
||
|
|
PurgeCachedInfo();
|
||
|
|
|
||
|
|
SCODE sc = CGenericPropRetriever::EndPropertyRetrieval();
|
||
|
|
|
||
|
|
return sc;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CVRootEnum::IsInScope
|
||
|
|
//
|
||
|
|
// Synopsis: Checks if current wid is in scope
|
||
|
|
//
|
||
|
|
// Arguments: [pfInScope] -- Scope check result returned here
|
||
|
|
//
|
||
|
|
// History: 12-Dec-96 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
SCODE STDMETHODCALLTYPE CVRootEnum::IsInScope( BOOL *pfInScope )
|
||
|
|
{
|
||
|
|
if ( widInvalid == _widPrimedForPropRetrieval )
|
||
|
|
return CI_E_WORKID_NOTVALID;
|
||
|
|
|
||
|
|
*pfInScope = TRUE;
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CVRootEnum::Begin
|
||
|
|
//
|
||
|
|
// Synopsis: Begins an enumeration
|
||
|
|
//
|
||
|
|
// History: 12-Dec-96 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
SCODE STDMETHODCALLTYPE CVRootEnum::Begin()
|
||
|
|
{
|
||
|
|
SCODE sc = S_OK;
|
||
|
|
|
||
|
|
TRY
|
||
|
|
{
|
||
|
|
_iBmk = 0;
|
||
|
|
_fFindLoaded = FALSE;
|
||
|
|
_fFastFindLoaded = FALSE;
|
||
|
|
_fFastStatLoaded = 0;
|
||
|
|
_fFastStatNeverLoad = 0;
|
||
|
|
|
||
|
|
_Path.Length = 0xFFFF;
|
||
|
|
_VPath.Length = 0xFFFF;
|
||
|
|
|
||
|
|
_widCurrent = NextObject();
|
||
|
|
}
|
||
|
|
CATCH( CException, e )
|
||
|
|
{
|
||
|
|
sc = e.GetErrorCode();
|
||
|
|
|
||
|
|
vqDebugOut(( DEB_ERROR,
|
||
|
|
"CVRootEnum::Begin - Exception caught 0x%x\n",
|
||
|
|
sc ));
|
||
|
|
}
|
||
|
|
END_CATCH;
|
||
|
|
|
||
|
|
return sc;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CVRootEnum::CurrentDocument
|
||
|
|
//
|
||
|
|
// Synopsis: Returns current document
|
||
|
|
//
|
||
|
|
// Arguments: [pWorkId] -- Wid of current doc returned here
|
||
|
|
//
|
||
|
|
// History: 12-Dec-96 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
SCODE STDMETHODCALLTYPE CVRootEnum::CurrentDocument( WORKID *pWorkId )
|
||
|
|
{
|
||
|
|
*pWorkId = _widCurrent;
|
||
|
|
if ( _widCurrent == widInvalid )
|
||
|
|
return CI_S_END_OF_ENUMERATION;
|
||
|
|
else
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CVRootEnum::NextDocument
|
||
|
|
//
|
||
|
|
// Synopsis: Returns next document
|
||
|
|
//
|
||
|
|
// Arguments: [pWorkId] -- Wid of next doc returned here
|
||
|
|
//
|
||
|
|
// History: 12-Dec-96 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
SCODE STDMETHODCALLTYPE CVRootEnum::NextDocument( WORKID *pWorkId )
|
||
|
|
{
|
||
|
|
SCODE sc = S_OK;
|
||
|
|
|
||
|
|
TRY
|
||
|
|
{
|
||
|
|
_widCurrent = NextObject();
|
||
|
|
|
||
|
|
sc = CurrentDocument( pWorkId );
|
||
|
|
}
|
||
|
|
CATCH( CException, e )
|
||
|
|
{
|
||
|
|
sc = e.GetErrorCode();
|
||
|
|
|
||
|
|
vqDebugOut(( DEB_ERROR,
|
||
|
|
"CVRootEnum::NextDocument - Exception caught 0x%x\n",
|
||
|
|
sc ));
|
||
|
|
}
|
||
|
|
END_CATCH;
|
||
|
|
|
||
|
|
return sc;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CVRootEnum::End
|
||
|
|
//
|
||
|
|
// Synopsis: Ends an enumeration
|
||
|
|
//
|
||
|
|
// History: 12-Dec-96 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
SCODE STDMETHODCALLTYPE CVRootEnum::End()
|
||
|
|
{
|
||
|
|
_widCurrent = widInvalid;
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Method: CVRootEnum::AddRef
|
||
|
|
//
|
||
|
|
// Synopsis: Increments refcount
|
||
|
|
//
|
||
|
|
// History: 12-Dec-1996 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE CVRootEnum::AddRef()
|
||
|
|
{
|
||
|
|
return CGenericPropRetriever::AddRef();
|
||
|
|
}
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Method: CVRootEnum::Release
|
||
|
|
//
|
||
|
|
// Synopsis: Decrement refcount. Delete if necessary.
|
||
|
|
//
|
||
|
|
// History: 12-Dec-1996 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE CVRootEnum::Release()
|
||
|
|
{
|
||
|
|
return CGenericPropRetriever::Release();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Method: CVRootEnum::QueryInterface
|
||
|
|
//
|
||
|
|
// Synopsis: Rebind to other interface
|
||
|
|
//
|
||
|
|
// Arguments: [riid] -- IID of new interface
|
||
|
|
// [ppvObject] -- New interface * returned here
|
||
|
|
//
|
||
|
|
// Returns: S_OK if bind succeeded, E_NOINTERFACE if bind failed
|
||
|
|
//
|
||
|
|
// History: 12-Dec-1996 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
SCODE STDMETHODCALLTYPE CVRootEnum::QueryInterface(
|
||
|
|
REFIID riid,
|
||
|
|
void ** ppvObject)
|
||
|
|
{
|
||
|
|
if ( IID_ICiCPropRetriever == riid )
|
||
|
|
*ppvObject = (ICiCPropRetriever *)this;
|
||
|
|
else if ( IID_ICiCScopeEnumerator == riid )
|
||
|
|
*ppvObject = (ICiCScopeEnumerator *)this;
|
||
|
|
else if ( IID_IUnknown == riid )
|
||
|
|
*ppvObject = (IUnknown *)(ICiCScopeEnumerator *) this;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppvObject = 0;
|
||
|
|
return E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
|
||
|
|
AddRef();
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CVRootEnum::RatioFinished, public
|
||
|
|
//
|
||
|
|
// Synopsis: Returns query progress estimate
|
||
|
|
//
|
||
|
|
// Arguments: [denom] -- Denominator returned here
|
||
|
|
// [num] -- Numerator returned here
|
||
|
|
//
|
||
|
|
// History: 12-Dec-96 SitaramR Created
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
SCODE STDMETHODCALLTYPE CVRootEnum::RatioFinished (ULONG *pDenom, ULONG *pNum)
|
||
|
|
{
|
||
|
|
*pNum = 50;
|
||
|
|
*pDenom = 100;
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|