Source code of Windows XP (NT5)
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//---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1995
//
// File: cprovcf.cxx
//
// Contents: Windows NT 3.5 Provider Object Class Factory Code
//
// CNDSProviderCF::CreateInstance
//
// History: 01-30-95 krishnag Created.
//
//----------------------------------------------------------------------------
#include "nds.hxx"
#pragma hdrstop
// Class CNDSProvider
CNDSProvider::CNDSProvider()
{
}
HRESULT
CNDSProvider::Create(CNDSProvider FAR * FAR * ppProvider)
{
CNDSProvider FAR * pProvider = NULL;
HRESULT hr = S_OK;
//Create the Provider Object
pProvider = new CNDSProvider();
if (pProvider == NULL) {
RRETURN(ResultFromScode(E_OUTOFMEMORY));
}
if (FAILED(hr)) {
delete pProvider;
RRETURN(hr);
}
*ppProvider = pProvider;
RRETURN(hr);
}
CNDSProvider::~CNDSProvider( )
{
ENLIST_TRACKING(CNDSProvider);
}
STDMETHODIMP
CNDSProvider::QueryInterface(REFIID iid, LPVOID FAR* ppv)
{
if (ppv == NULL) {
RRETURN(E_POINTER);
}
if (IsEqualIID(iid, IID_IUnknown))
{
*ppv = this;
}
else if (IsEqualIID(iid, IID_IParseDisplayName))
{
*ppv = (IParseDisplayName FAR *) this;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
AddRef();
return NOERROR;
}
STDMETHODIMP
CNDSProvider::ParseDisplayName(
IBindCtx* pbc,
WCHAR* szDisplayName,
ULONG* pchEaten,
IMoniker** ppmk
)
{
HRESULT hr;
*ppmk = NULL;
if (pchEaten != NULL){
*pchEaten = 0;
}
hr = ResolvePathName(
pbc,
szDisplayName,
pchEaten,
ppmk
);
RRETURN(hr);
}
HRESULT
CNDSProvider::ResolvePathName(
IBindCtx* pbc,
WCHAR* szDisplayName,
ULONG* pchEaten,
IMoniker** ppmk
)
{
HRESULT hr;
LPUNKNOWN pUnknown = NULL;
CCredentials Credentials;
*pchEaten = 0;
hr = GetObject(
szDisplayName,
Credentials,
(LPVOID *)&pUnknown
);
BAIL_IF_ERROR(hr);
hr = CreatePointerMoniker(pUnknown, ppmk);
BAIL_IF_ERROR(hr);
*pchEaten += wcslen(szDisplayName);
cleanup:
if (pUnknown) {
pUnknown->Release();
}
RRETURN (hr);
}