241 lines
10 KiB
C++
241 lines
10 KiB
C++
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//+-------------------------------------------------------------------
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//
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// File: stdcf.cxx
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//
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// Contents: class implementing standard CF for internal OLE classes
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//
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// Classes: CStdClassFactory
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//
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// History: Rickhi 06-24-97 Created
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//
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//+-------------------------------------------------------------------
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#include <ole2int.h>
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#include <stdcf.hxx>
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// CreateInstance functions for each of the internal classes.
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extern HRESULT CGIPTableCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void **ppv);
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extern HRESULT CAccessControlCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void **ppv);
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extern HRESULT CAsyncActManagerCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void **ppv);
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extern HRESULT CComCatCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CComCatCSCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CItemMonikerCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CCompositeMonikerCF_CreateInstance(IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CPackagerMonikerCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CAntiMonikerCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CPointerMonikerCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CErrorObjectCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CRpcHelperCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CObjectContextCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CComCatalogCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CStdEventCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CManualResetEventCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CSynchronizeContainerCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CFreeThreadedMarshalerCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CActivationPropertiesInCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CActivationPropertiesOutCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CInprocActpropsUnmarshallerCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CComActivatorCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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extern HRESULT CAddrControlCF_CreateInstance (IUnknown *pUnkOuter, REFIID riid, void** ppv);
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//+-------------------------------------------------------------------
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// Entry in the global calss objects table. Contains a ptr to a clsid
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// and a ptr to the corresponding CreateInstance function for that
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// clsid.
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//+-------------------------------------------------------------------
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typedef struct tagCFEntry
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{
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const CLSID *pclsid; // ptr to clsid
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LPFNCREATEINSTANCE pfnCI; // ptr to CreateInstance fn
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DWORD dwFlags; // misc flags. see CCF_FLAGS
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} CFEntry;
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typedef enum tagCCF_FLAGS
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{
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CCF_NONE = 0x0,
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CCF_AGGREGATABLE = 0x1, // class is aggregatable
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} CCF_FLAGS;
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//+-------------------------------------------------------------------
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//
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// gInternalClassObjects - table of clsids and the corresponding
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// CreateInstance functions for those clsids. The CI function is
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// passed to the standard implementation of the class factory object.
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//
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//+-------------------------------------------------------------------
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const CFEntry gInternalClassObjects[] =
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{
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{&CLSID_StdEvent, CStdEventCF_CreateInstance, CCF_AGGREGATABLE},
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{&CLSID_ManualResetEvent, CManualResetEventCF_CreateInstance, CCF_AGGREGATABLE},
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{&CLSID_SynchronizeContainer, CSynchronizeContainerCF_CreateInstance, CCF_AGGREGATABLE},
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{&CLSID_StdGlobalInterfaceTable, CGIPTableCF_CreateInstance, CCF_NONE},
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{&CLSID_DCOMAccessControl, CAccessControlCF_CreateInstance, CCF_AGGREGATABLE},
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{&CLSID_ErrorObject, CErrorObjectCF_CreateInstance, CCF_NONE},
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{&CLSID_COMCatalog, CComCatalogCF_CreateInstance, CCF_NONE},
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{&CLSID_ItemMoniker, CItemMonikerCF_CreateInstance, CCF_NONE},
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{&CLSID_CompositeMoniker, CCompositeMonikerCF_CreateInstance, CCF_NONE},
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{&CLSID_PackagerMoniker, CPackagerMonikerCF_CreateInstance, CCF_NONE},
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{&CLSID_AntiMoniker, CAntiMonikerCF_CreateInstance, CCF_NONE},
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{&CLSID_PointerMoniker, CPointerMonikerCF_CreateInstance, CCF_NONE},
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{&CLSID_StdComponentCategoriesMgr, CComCatCF_CreateInstance, CCF_AGGREGATABLE},
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{&CLSID_GblComponentCategoriesMgr, CComCatCSCF_CreateInstance, CCF_AGGREGATABLE},
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{&CLSID_RpcHelper, CRpcHelperCF_CreateInstance, CCF_NONE},
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{&CLSID_ObjectContext, CObjectContextCF_CreateInstance, CCF_NONE},
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{&CLSID_InProcFreeMarshaler, CFreeThreadedMarshalerCF_CreateInstance, CCF_AGGREGATABLE},
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{&CLSID_ActivationPropertiesIn, CActivationPropertiesInCF_CreateInstance, CCF_NONE},
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{&CLSID_ActivationPropertiesOut, CActivationPropertiesOutCF_CreateInstance, CCF_NONE},
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{&CLSID_InprocActpropsUnmarshaller, CInprocActpropsUnmarshallerCF_CreateInstance, CCF_NONE},
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{&CLSID_ComActivator, CComActivatorCF_CreateInstance, CCF_NONE},
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{&CLSID_AddrControl, CAddrControlCF_CreateInstance, CCF_NONE},
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{NULL, NULL}
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};
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//+-------------------------------------------------------------------
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//
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// Function: ComDllGetClassObject
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//
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// Synopsis: Function to return internal class objects.
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//
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// Notes: Uses the gInternalClassObjects table and the
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// CStdClassFactory implementation.
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//
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//+-------------------------------------------------------------------
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INTERNAL ComDllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
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{
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ComDebOut((DEB_ACTIVATE, "ComDllGetClassObject rclsid:%I riid:%I ppv:%x\n",
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&rclsid, &riid, ppv));
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HRESULT hr = CLASS_E_CLASSNOTAVAILABLE;
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int i=0;
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while (gInternalClassObjects[i].pclsid)
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{
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if (InlineIsEqualGUID(*gInternalClassObjects[i].pclsid, rclsid))
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{
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// found a matching CLSID. Create an instance of the std class factory
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// passing in the creatinstance function from the table.
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hr = E_OUTOFMEMORY;
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CStdClassFactory *pCF = new CStdClassFactory(i);
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if (pCF)
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{
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hr = pCF->QueryInterface(riid, ppv);
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pCF->Release();
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}
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break;
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}
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i++;
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}
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ComDebOut((DEB_ACTIVATE, "ComDllGetClassObject hr:%x pv:%x\n", hr, *ppv));
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return hr;
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}
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//+-------------------------------------------------------------------
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//
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// Member: CStdClassFactory::AddRef, public
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//
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// Synopsis: Adds a reference to an interface
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//
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//--------------------------------------------------------------------
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STDMETHODIMP_(ULONG) CStdClassFactory::AddRef(void)
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{
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return InterlockedIncrement((LONG *)&_cRefs);
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}
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//+-------------------------------------------------------------------
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//
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// Member: CStdClassFactory::Release, public
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//
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// Synopsis: Adds a reference to an interface
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//
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//--------------------------------------------------------------------
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STDMETHODIMP_(ULONG) CStdClassFactory::Release(void)
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{
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ULONG cRefs = (ULONG) InterlockedDecrement((LONG *)&_cRefs);
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if (cRefs == 0)
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{
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delete this;
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}
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return cRefs;
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}
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//+-------------------------------------------------------------------
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//
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// Member: CStdClassFactory::QueryInterface, public
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//
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// Synopsis: Returns a pointer to the requested interface.
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CStdClassFactory::QueryInterface(REFIID riid, void **ppv)
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{
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if (IsEqualIID(riid, IID_IClassFactory) ||
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IsEqualIID(riid, IID_IUnknown))
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{
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*ppv = (IClassFactory *) this;
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AddRef();
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return S_OK;
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}
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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//+-------------------------------------------------------------------
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//
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// Member: CStdClassFactory::CreateInstance, public
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//
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// Synopsis: Create an instance of the requested class by calling
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// the creation function member variable.
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//
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// Notes: Does the parameter checking here to avoid having to
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// replicate it in all the creation functions.
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//
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//--------------------------------------------------------------------
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STDMETHODIMP CStdClassFactory::CreateInstance(IUnknown *pUnkOuter,
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REFIID riid,
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void **ppv)
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{
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ComDebOut((DEB_ACTIVATE,
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"CStdClassFactory::CreateInstance _dwIndex:%x pUnkOuter:%x riid:%I ppv:%x\n",
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_dwIndex, pUnkOuter, &riid, ppv));
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// Validate the parameters.
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HRESULT hr = E_INVALIDARG;
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if (ppv != NULL)
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{
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*ppv = NULL;
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// If the caller wants to aggregate, only IID_IUnknown may be requested.
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if (pUnkOuter == NULL || IsEqualGUID(IID_IUnknown, riid))
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{
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// check if aggregation desired and supported.
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hr = CLASS_E_NOAGGREGATION;
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if ( pUnkOuter == NULL ||
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(gInternalClassObjects[_dwIndex].dwFlags & CCF_AGGREGATABLE))
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{
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// Create the object instance
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IUnknown *pUnk=NULL;
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hr = (gInternalClassObjects[_dwIndex].pfnCI)(pUnkOuter, riid, (void **)&pUnk);
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if (SUCCEEDED(hr))
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{
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// get the requested interface
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hr = pUnk->QueryInterface(riid, ppv);
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pUnk->Release();
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}
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}
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}
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}
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ComDebOut((DEB_ACTIVATE, "CStdClassFactory::CreateInstance hr:%x *ppv:%x\n",
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hr, *ppv));
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return hr;
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}
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