Leaked source code of windows server 2003
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217 lines
6.2 KiB

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