164 lines
2.9 KiB
C++
164 lines
2.9 KiB
C++
#include "procs.hxx"
|
|
#pragma hdrstop
|
|
#include "oleds.hxx"
|
|
|
|
extern PROUTER_ENTRY g_pRouterHead;
|
|
extern CRITICAL_SECTION g_csRouterHeadCritSect;
|
|
|
|
CEnumVariant::CEnumVariant()
|
|
{
|
|
_cRef = 1;
|
|
|
|
//
|
|
// Make sure the router has been initialized
|
|
//
|
|
EnterCriticalSection(&g_csRouterHeadCritSect);
|
|
if (!g_pRouterHead) {
|
|
g_pRouterHead = InitializeRouter();
|
|
}
|
|
LeaveCriticalSection(&g_csRouterHeadCritSect);
|
|
|
|
_lpCurrentRouterEntry = g_pRouterHead;
|
|
|
|
}
|
|
|
|
CEnumVariant::~CEnumVariant()
|
|
{
|
|
|
|
}
|
|
|
|
|
|
HRESULT
|
|
CEnumVariant::Create(IEnumVARIANT **ppenum)
|
|
{
|
|
HRESULT hr;
|
|
CEnumVariant * pEnum;
|
|
|
|
pEnum = new CEnumVariant();
|
|
|
|
if (!pEnum) {
|
|
RRETURN (E_OUTOFMEMORY);
|
|
}
|
|
|
|
if (pEnum)
|
|
{
|
|
hr = pEnum->QueryInterface(IID_IEnumVARIANT,
|
|
(void **)ppenum);
|
|
|
|
pEnum->Release();
|
|
}
|
|
else
|
|
{
|
|
*ppenum = NULL;
|
|
RRETURN(E_OUTOFMEMORY);
|
|
}
|
|
|
|
RRETURN(hr);
|
|
}
|
|
|
|
STDMETHODIMP
|
|
CEnumVariant::QueryInterface(REFIID iid, void FAR* FAR* ppv)
|
|
{
|
|
*ppv = NULL;
|
|
|
|
if (iid == IID_IUnknown || iid == IID_IEnumVARIANT) {
|
|
|
|
*ppv = this;
|
|
|
|
}
|
|
else {
|
|
|
|
return ResultFromScode(E_NOINTERFACE);
|
|
}
|
|
|
|
AddRef();
|
|
return NOERROR;
|
|
}
|
|
|
|
|
|
STDMETHODIMP_(ULONG)
|
|
CEnumVariant::AddRef(void)
|
|
{
|
|
|
|
return ++_cRef;
|
|
}
|
|
|
|
|
|
STDMETHODIMP_(ULONG)
|
|
CEnumVariant::Release(void)
|
|
{
|
|
|
|
|
|
if(--_cRef == 0){
|
|
|
|
delete this;
|
|
return 0;
|
|
}
|
|
|
|
return _cRef;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
CEnumVariant::Next(ULONG cElements, VARIANT FAR* pvar, ULONG FAR* pcElementFetched)
|
|
{
|
|
DWORD dwFound = 0;
|
|
PROUTER_ENTRY lpRouter = _lpCurrentRouterEntry;
|
|
HRESULT hr;
|
|
IDispatch * lpDispatch;
|
|
|
|
while (lpRouter && (dwFound < cElements)) {
|
|
hr = CoCreateInstance(*lpRouter->pNamespaceClsid,
|
|
NULL,
|
|
CLSCTX_INPROC_SERVER,
|
|
IID_IDispatch,
|
|
(void **)&lpDispatch
|
|
);
|
|
if (FAILED(hr)) {
|
|
lpRouter = lpRouter->pNext;
|
|
continue;
|
|
}
|
|
|
|
VariantInit(&pvar[dwFound]);
|
|
pvar[dwFound].vt = VT_DISPATCH;
|
|
pvar[dwFound].punkVal = lpDispatch;
|
|
dwFound++;
|
|
|
|
lpRouter = lpRouter->pNext;
|
|
}
|
|
_lpCurrentRouterEntry = lpRouter;
|
|
|
|
//
|
|
// Hack for VB -- it passes NULL always
|
|
//
|
|
if (pcElementFetched) {
|
|
*pcElementFetched = dwFound;
|
|
}
|
|
if (dwFound < cElements) {
|
|
RRETURN(S_FALSE);
|
|
}
|
|
RRETURN(S_OK);
|
|
}
|
|
|
|
|
|
STDMETHODIMP
|
|
CEnumVariant::Skip(ULONG cElements)
|
|
{
|
|
|
|
RRETURN(ResultFromScode(E_FAIL));
|
|
|
|
}
|
|
|
|
STDMETHODIMP
|
|
CEnumVariant::Reset()
|
|
{
|
|
RRETURN(ResultFromScode(S_OK));
|
|
}
|
|
|
|
STDMETHODIMP
|
|
CEnumVariant::Clone(IEnumVARIANT FAR* FAR* ppenum)
|
|
{
|
|
RRETURN(ResultFromScode(E_FAIL));
|
|
}
|
|
|
|
|