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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// XMergeFactory.cpp: implementation of the CXMergeFactory class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "XMergeFilter.h"
#include "XMergeFactory.h"
//////////////////////////////////////////////////////////////////////
// IUnknown implementation
//////////////////////////////////////////////////////////////////////
STDMETHODIMP CXMergeFactory::QueryInterface(REFIID riid, void **ppvObject)
{
if(ppvObject == NULL)
return E_INVALIDARG;
if(::IsEqualIID(riid, IID_IUnknown) || ::IsEqualIID(riid, IID_IClassFactory))
{
*ppvObject = static_cast<IClassFactory*>(this);
}
else
{
*ppvObject = NULL;
return E_NOINTERFACE;
}
reinterpret_cast<IUnknown*>(*ppvObject)->AddRef();
return S_OK;
}
STDMETHODIMP_(ULONG) CXMergeFactory::AddRef()
{
return ::InterlockedIncrement(&m_cRef);
}
STDMETHODIMP_(ULONG) CXMergeFactory::Release()
{
if(::InterlockedDecrement(&m_cRef) == 0)
{
delete this;
return 0;
}
return m_cRef;
}
//////////////////////////////////////////////////////////////////////
// IUnknown implementation
//////////////////////////////////////////////////////////////////////
STDMETHODIMP CXMergeFactory::CreateInstance(IUnknown *pUnkOuter, REFIID iid, void **ppvObject)
{
if (ppvObject == NULL)
return E_INVALIDARG;
if (pUnkOuter != NULL) // cannot aggregate
{
*ppvObject = NULL;
return CLASS_E_NOAGGREGATION;
}
if (iid == IID_ICeFileFilter)
{
CXMergeFilter *pFilter = new CXMergeFilter();
if(pFilter == NULL)
{
*ppvObject = NULL;
return E_OUTOFMEMORY;
}
HRESULT hr = pFilter->QueryInterface(iid, ppvObject);
pFilter->Release();
return hr;
}
return E_INVALIDARG;
}
STDMETHODIMP CXMergeFactory::LockServer(BOOL fLock)
{
_Module.LockServer(fLock);
return S_OK;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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