106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
//----------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 2000.
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//
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// File: adsxmlcf.cxx
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//
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// Contents: Contains the class factory for creating ADsXML extension.
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//
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//----------------------------------------------------------------------------
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#include "adsxmlcf.hxx"
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#include "adsxml2.h"
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#define DISPID_REGULAR 1
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const GUID LIBID_ADsXML = {0x61340306,0xe79c,0x401d,{0xa3,0x4a,0xcb,0xbc,0x99,0x19,0x90,0x25}};
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const IID IID_IADsXML = {0x91e5c5dc,0x926b,0x46ff,{0x9f,0xdb,0x9f,0xb1,0x12,0xbf,0x10,0xe6}};
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//----------------------------------------------------------------------------
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// Function: CreateInstance
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//
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// Synopsis: Creates the ADsXML extension object.
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//
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// Arguments:
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//
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// pUnkOuter Pointer to aggregating IUnknown. This has to be non-NULL since
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// the extension can't exist by itself.
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// iid Interface requested.
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// ppInterface Returns pointer to interface requested
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//
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// Returns: S_OK on success. Error code otherwise.
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//
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// Modifies: *ppInterface to return a pointer to the interface requested
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//
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//----------------------------------------------------------------------------
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STDMETHODIMP CADsXMLCF::CreateInstance(
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IUnknown * pUnkOuter,
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REFIID iid,
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LPVOID *ppInterface
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)
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{
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HRESULT hr = S_OK;
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CADsXML *pCADsXML = NULL;
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IADs FAR * pADs = NULL;
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CAggregateeDispMgr FAR * pDispMgr = NULL;
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if( (NULL == pUnkOuter) || (NULL == ppInterface) )
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RRETURN(E_INVALIDARG);
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// can only ask for IUnknown
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ADsAssert(IsEqualIID(iid, IID_IUnknown));
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*ppInterface = NULL;
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pCADsXML = new CADsXML();
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if(NULL == pCADsXML) {
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BAIL_ON_FAILURE(hr = E_OUTOFMEMORY);
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}
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pCADsXML->_pUnkOuter = pUnkOuter;
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pDispMgr = new CAggregateeDispMgr;
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if (pDispMgr == NULL) {
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hr = E_OUTOFMEMORY;
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BAIL_ON_FAILURE(hr);
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}
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pCADsXML->_pDispMgr = pDispMgr;
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hr = pDispMgr->LoadTypeInfoEntry(
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LIBID_ADsXML,
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IID_IADsXML,
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(IADsXML *)pCADsXML,
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DISPID_REGULAR
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);
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BAIL_ON_FAILURE(hr);
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hr = pUnkOuter->QueryInterface(
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IID_IADs,
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(void **)&pADs
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);
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BAIL_ON_FAILURE(hr);
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pADs->Release();
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pCADsXML->_pADs = pADs;
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*ppInterface = (INonDelegatingUnknown FAR *) pCADsXML;
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RRETURN(hr);
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error:
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if(pCADsXML)
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delete pCADsXML;
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*ppInterface = NULL;
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RRETURN(hr);
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}
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