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341 lines
9.0 KiB
341 lines
9.0 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997 - 1998.
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//
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// File: isrchcf.cxx
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//
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// Contents: Contains the implementation of ICiControl interface.
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//
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// History: 1-17-97 srikants Created
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//
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//----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <isrchcf.hxx>
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#include <isearch.hxx>
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const GUID clsidISearchCreator = CLSID_ISearchCreator;
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extern long gulcInstances;
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//+---------------------------------------------------------------------------
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//
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// Member: CCiISearchCreator::QueryInterface
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//
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// Synopsis: Returns interfaces to IID_IUknown, IID_ICiControl
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//
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// History: 01-17-97 srikants Created
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//
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//----------------------------------------------------------------------------
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STDMETHODIMP CCiISearchCreator::QueryInterface(
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REFIID riid,
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void **ppvObject)
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{
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Win4Assert( 0 != ppvObject );
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if ( IID_ICiISearchCreator == riid )
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*ppvObject = (void *)((ICiISearchCreator *)this);
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else if ( IID_IUnknown == riid )
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*ppvObject = (void *)((IUnknown *) (ICiISearchCreator *) this);
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else
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{
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*ppvObject = 0;
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return E_NOINTERFACE;
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}
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AddRef();
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return S_OK;
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} //QueryInterface
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//+---------------------------------------------------------------------------
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//
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// Member: CCiISearchCreator::AddRef
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//
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// History: 01-17-97 srikants Created
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//
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//----------------------------------------------------------------------------
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STDMETHODIMP_(ULONG) CCiISearchCreator::AddRef()
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{
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return InterlockedIncrement(&_refCount);
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} //AddRef
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//+---------------------------------------------------------------------------
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//
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// Member: CCiISearchCreator::Release
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//
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// History: 01-17-97 srikants Created
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//
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//----------------------------------------------------------------------------
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STDMETHODIMP_(ULONG) CCiISearchCreator::Release()
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{
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Win4Assert( _refCount > 0 );
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LONG refCount = InterlockedDecrement(&_refCount);
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if ( refCount <= 0 )
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delete this;
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return refCount;
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} //Release
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//+---------------------------------------------------------------------------
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//
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// Member: CCiISearchCreator::CreateISearch
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//
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// Synopsis: Creates an object and returns its ISearch interface.
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//
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// Arguments: [pRst] - [in] The Restriction
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// [pILangRes] - [in] Language resources to use
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// [pIOpenedDoc] - [in] The "opened document"
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// [ppISearch] - [out] If successful, the ISearch interface
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//
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// Returns: S_OK if successful; Error code otherwise.
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//
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// History: 2-26-97 srikants Created
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//
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//----------------------------------------------------------------------------
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STDMETHODIMP CCiISearchCreator::CreateISearch(
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DBCOMMANDTREE * pRst,
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ICiCLangRes * pILangRes,
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ICiCOpenedDoc * pIOpenedDoc,
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ISearchQueryHits ** ppISearch )
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{
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if ( 0 == pRst || 0 == pILangRes || 0 == ppISearch )
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return E_INVALIDARG;
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*ppISearch = 0;
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SCODE sc = S_OK;
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TRY
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{
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CSearch * pSearch = new CSearch( pRst, pILangRes, pIOpenedDoc );
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*ppISearch = pSearch;
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}
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CATCH( CException, e )
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{
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ciDebugOut(( DEB_ERROR, "Failed to create CCiManager. Error (0x%X)\n",
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e.GetErrorCode() ));
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sc = e.GetErrorCode();
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}
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END_CATCH
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return sc;
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}
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//+---------------------------------------------------------------------------
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//
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// Construction and destruction
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//
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//----------------------------------------------------------------------------
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//+-------------------------------------------------------------------------
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//
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// Method: CCiISearchCreatorCF::CCiISearchCreatorCF
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//
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// Synopsis: Storage Filter Object class factory constructor
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//
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// History: 17-Jan-1997 Srikants Created
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//
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//+-------------------------------------------------------------------------
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CCiISearchCreatorCF::CCiISearchCreatorCF()
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: _RefCount( 1 )
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{
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InterlockedIncrement( &gulcInstances );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CCiISearchCreatorCF::~CCiISearchCreatorCF
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//
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// Synopsis: Storage Filter Object class factory destructor
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//
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// History: 6-Jan-1997 Srikants Created
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//
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//--------------------------------------------------------------------------
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CCiISearchCreatorCF::~CCiISearchCreatorCF()
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{
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Win4Assert( _RefCount == 0);
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Win4Assert( gulcInstances != 0 );
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InterlockedDecrement( &gulcInstances );
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}
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//+---------------------------------------------------------------------------
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//
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// IUnknown method implementations
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//
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//----------------------------------------------------------------------------
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//+-------------------------------------------------------------------------
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//
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// Method: CCiISearchCreatorCF::AddRef
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//
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// Synopsis: Increments refcount
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//
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// History: 17-Jan-1997 Srikants Created
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//
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//--------------------------------------------------------------------------
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ULONG STDMETHODCALLTYPE CCiISearchCreatorCF::AddRef()
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{
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return InterlockedIncrement( &_RefCount );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CCiISearchCreatorCF::Release
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//
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// Synopsis: Decrement refcount. Delete if necessary.
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//
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// History: 6-Jan-1997 Srikants Created
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//
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//--------------------------------------------------------------------------
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ULONG STDMETHODCALLTYPE CCiISearchCreatorCF::Release()
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{
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Win4Assert( _RefCount != 0 );
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LONG RefCount = InterlockedDecrement( &_RefCount );
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if ( RefCount <= 0 )
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delete this;
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return (ULONG) RefCount;
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} // Release
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//+-------------------------------------------------------------------------
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//
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// Method: CCiISearchCreatorCF::QueryInterface
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//
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// Synopsis: Rebind to other interface
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//
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// Arguments: [riid] -- IID of new interface
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// [ppvObject] -- New interface * returned here
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//
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// Returns: S_OK if bind succeeded, E_NOINTERFACE if bind failed
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//
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// History: 17-Jan-1997 Srikants Created
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CCiISearchCreatorCF::QueryInterface(
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REFIID riid,
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PVOID* ppvObject )
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{
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Win4Assert( 0 != ppvObject );
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*ppvObject = 0;
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if ( IID_IUnknown == riid )
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*ppvObject = (PVOID) ((IUnknown *) this );
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else if ( IID_IClassFactory == riid)
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*ppvObject = (PVOID) ((IClassFactory *) this );
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else
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return E_NOINTERFACE;
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AddRef( );
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return S_OK;
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CCiISearchCreatorCF::CreateInstance
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//
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// Synopsis: Create new CStorageFilterObject instance
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//
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// Arguments: [pUnkOuter] -- 'Outer' IUnknown; IGNORED
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// [riid] -- Interface to bind
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// [ppvObject] -- Interface returned here
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//
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// History: 17-Jan-1997 Srikants Created
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CCiISearchCreatorCF::CreateInstance(
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IUnknown * pUnkOuter,
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REFIID riid,
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PVOID * ppvObject )
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{
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if ( 0 != pUnkOuter )
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return ResultFromScode( CLASS_E_NOAGGREGATION );
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CCiISearchCreator * pObject = 0;
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SCODE sc = S_OK;
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TRANSLATE_EXCEPTIONS;
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TRY
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{
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//
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// Create the new object
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//
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pObject = new CCiISearchCreator;
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//
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// Obtain the new interface
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//
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sc = pObject->QueryInterface( riid , ppvObject );
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//
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// Regardless of whether the QueryInterface succeeded, we
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// release the object.
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//
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pObject->Release();
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}
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CATCH(CException, e)
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{
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Win4Assert( 0 == pObject );
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switch( e.GetErrorCode() )
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{
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case E_OUTOFMEMORY:
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sc = (E_OUTOFMEMORY);
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break;
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default:
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sc = (E_UNEXPECTED);
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}
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}
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END_CATCH;
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UNTRANSLATE_EXCEPTIONS;
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return sc;
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CCiISearchCreatorCF::LockServer
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//
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// Synopsis: Force class factory to remain loaded
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//
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// Arguments: [fLock] -- TRUE if locking, FALSE if unlocking
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//
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// Returns: S_OK
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//
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// History: 17-Jan-1997 Srikants Created
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//
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//--------------------------------------------------------------------------
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STDMETHODIMP CCiISearchCreatorCF::LockServer( BOOL fLock )
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{
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if (fLock)
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InterlockedIncrement( &gulcInstances );
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else
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InterlockedDecrement( &gulcInstances );
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return S_OK;
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}
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