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217 lines
6.2 KiB
217 lines
6.2 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1998.
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//
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// File: parsver.cxx
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//
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// Contents: IParserVerify implementation
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//
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// History: 11-06-97 danleg 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 <parsver.hxx>
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#include <cmdcreat.hxx> // CSimpleCommandCreator
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// Constants -----------------------------------------------------------------
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static const GUID clsidCICommandCreator = CLSID_CISimpleCommandCreator;
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//+-------------------------------------------------------------------------
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//
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// Member: CImpIParserVerify::CImpIParserVerify, public
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//
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// Synopsis: Constructor
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//
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// Arguments:
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//
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// History: 11-20-97 danleg Created from Monarch
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//
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//--------------------------------------------------------------------------
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CImpIParserVerify::CImpIParserVerify() : _cRef(1)
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{
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_xISimpleCommandCreator.Set( new CSimpleCommandCreator() );
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CImpIParserVerify::QueryInterface, public
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//
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// Synopsis: Returns a pointer to a specified interface. Callers use
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// QueryInterface to determine which interfaces the called
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// object supports.
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//
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// Returns: S_OK Interface is supported and ppvObject is set
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// E_NOINTERFACE Interface is not supported
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// E_INVALIDARG One or more arguments are invalid
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//
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// History: 11-20-97 danleg Created from Monarch
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CImpIParserVerify::QueryInterface
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(
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REFIID riid, //@parm IN | Interface ID of the interface being queried for.
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LPVOID * ppv //@parm OUT | Pointer to interface that was instantiated
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)
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{
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if( ppv == NULL )
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return E_INVALIDARG;
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if( (riid == IID_IUnknown) ||
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(riid == IID_IParserVerify) )
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*ppv = (LPVOID)this;
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else
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*ppv = NULL;
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// If we're going to return an interface, AddRef it first
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if( *ppv )
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{
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((LPUNKNOWN)*ppv)->AddRef();
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return NOERROR;
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}
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return E_NOINTERFACE;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CImpIParserVerify::AddRef, public
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//
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// Synopsis: Increments a persistence count for the object
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//
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// History: 11-20-97 danleg Created from Monarch
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP_(ULONG) CImpIParserVerify::AddRef (void)
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{
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return InterlockedIncrement( (long*) &_cRef);
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CImpIParserVerify::Release, public
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//
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// Synopsis: Decrements the persistence count for the object and if it is 0,
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// the object destroys itself.
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//
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// History: 11-20-97 danleg Created from Monarch
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP_(ULONG) CImpIParserVerify::Release (void)
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{
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ULONG cRef;
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Win4Assert( _cRef > 0 );
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if( !(cRef = InterlockedDecrement( (long *) &_cRef)) )
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{
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delete this;
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return 0;
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}
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return cRef;
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CImpIParserVerify::VerifyMachine, public
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//
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// Synopsis: Called by the parser to verify that the machine name is valid
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//
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// History: 11-20-97 danleg Created from Monarch
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CImpIParserVerify::VerifyMachine(
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LPCWSTR pcwszMachine
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)
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{
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return _xISimpleCommandCreator->VerifyCatalog(pcwszMachine, NULL);
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CImpIParserVerify::VerifyCatalog, public
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//
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// Synopsis: Called by the parser to verify that the catalog name is valid
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//
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// History: 11-20-97 danleg Created from Monarch
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CImpIParserVerify::VerifyCatalog(
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LPCWSTR pcwszMachine,
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LPCWSTR pcwszCatalog
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)
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{
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return _xISimpleCommandCreator->VerifyCatalog(pcwszMachine, pcwszCatalog);
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CImpIParserVerify::GetDefaultCatalog, public
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//
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// Synopsis: Retrieve the default catalog name
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//
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// History: 11-20-97 danleg Created from Monarch
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CImpIParserVerify::GetDefaultCatalog
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(
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LPWSTR pwszCatalogName,
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ULONG cwcIn,
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ULONG * pcwcOut
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)
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{
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Win4Assert( !_xISimpleCommandCreator.IsNull() );
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return _xISimpleCommandCreator->GetDefaultCatalog( pwszCatalogName,
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cwcIn,
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pcwcOut );
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}
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//+-------------------------------------------------------------------------
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//
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// Member: CImpIParserVerify::GetColMapperCreator, public
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//
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// Synopsis: Retrieve an IColumnMapperCreator interface pointer
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//
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// History: 11-20-97 danleg Created from Monarch
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//
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//--------------------------------------------------------------------------
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void CImpIParserVerify::GetColMapCreator
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(
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IColumnMapperCreator** ppIColMapCreator
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)
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{
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SCODE sc = S_OK;
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if ( ppIColMapCreator )
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{
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*ppIColMapCreator = 0;
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sc = _xISimpleCommandCreator->QueryInterface( IID_IColumnMapperCreator,
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(void **) ppIColMapCreator );
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}
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else
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sc = E_INVALIDARG;
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if ( FAILED(sc) )
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THROW( CException(sc) );
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}
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