680 lines
17 KiB
C
680 lines
17 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1999 Microsoft Corporation
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//
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// Module Name:
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// TemplateFuncs.h
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//
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// Description:
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// Template function implementations.
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//
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// Author:
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// Galen Barbee (galenb) 09-Feb-1999
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//
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// Revision History:
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//
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// Notes:
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _TEMPLATEFUNCS_H_
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#define _TEMPLATEFUNCS_H_
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// HrNewIDispatchEnum
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//
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// Description:
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// Create a new Enumerator of IDispatch objects.
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//
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// Template Arguments:
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// TCollection - Type of the STL container argument.
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// TObject - Type of the objects in the container.
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//
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// Arguments:
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// ppunk [OUT] - catches the enumerator.
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// rCollection [IN] - Implementatoin collection to make the
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// enumerator from.
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//
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// Return Value:
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// S_OK if successful, E_POINTER, or other HRESULT error.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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template< class TCollection, class TObject >
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HRESULT HrNewIDispatchEnum(
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OUT IUnknown ** ppunk,
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IN const TCollection & rCollection
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)
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{
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ASSERT( ppunk != NULL );
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HRESULT _hr = E_POINTER;
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if ( ppunk != NULL )
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{
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TObject * _pObject= NULL;
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size_t _cObjects = rCollection.size();
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size_t _iIndex;
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LPDISPATCH _lpDisp;
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TCollection::const_iterator _itFirst = rCollection.begin();
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TCollection::const_iterator _itLast = rCollection.end();
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CComVariant * _pvarVect = NULL;
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*ppunk = NULL;
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_pvarVect = new CComVariant[ _cObjects ];
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if ( _pvarVect != NULL )
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{
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for ( _iIndex = 0; _itFirst != _itLast; _iIndex++, _itFirst++ )
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{
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_lpDisp = NULL;
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_pObject = NULL;
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_pObject = *_itFirst;
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_hr = _pObject->QueryInterface( IID_IDispatch, (void **) &_lpDisp );
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if ( SUCCEEDED( _hr ) )
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{
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//
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// create a variant and add it to the collection
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//
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CComVariant & var = _pvarVect[ _iIndex ];
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var.vt = VT_DISPATCH;
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var.pdispVal = _lpDisp;
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}
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} // for: each node in the list
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CComObject< CComEnum< IEnumVARIANT, &IID_IEnumVARIANT, VARIANT, _Copy< VARIANT > > > * _pEnum;
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_pEnum = new CComObject< CComEnum< IEnumVARIANT, &IID_IEnumVARIANT, VARIANT, _Copy< VARIANT > > >;
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if ( _pEnum != NULL )
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{
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_hr = _pEnum->Init( &_pvarVect[ 0 ], &_pvarVect[ _cObjects ], NULL, AtlFlagCopy );
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if ( SUCCEEDED( _hr ) )
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{
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_hr = _pEnum->QueryInterface( IID_IEnumVARIANT, (void **) ppunk );
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}
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else
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{
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delete _pEnum;
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}
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}
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else
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{
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_hr = E_OUTOFMEMORY;
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}
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ClearIDispatchEnum( &_pvarVect );
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}
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else
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{
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_hr = E_OUTOFMEMORY;
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}
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}
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return _hr;
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} //*** HrNewIDispatchEnum()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// ReleaseAndEmptyCollection
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//
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// Description:
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// Clean out the passed in STL container by releasing it's references
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// on the contained objects.
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//
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// Template Arguments:
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// TCollection - Type of the STL container argument.
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// TObject - Type of the objects in the container.
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//
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// Arguments:
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// rCollection [IN OUT] - STL container instance to clear.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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template< class TCollection, class TObject >
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void ReleaseAndEmptyCollection(
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IN OUT TCollection & rCollection
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)
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{
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if ( !rCollection.empty() )
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{
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TObject * _pObject = NULL;
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TCollection::iterator _itFirst = rCollection.begin();
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TCollection::iterator _itLast = rCollection.end();
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for ( ; _itFirst != _itLast; _itFirst++ )
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{
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_pObject = *_itFirst;
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if ( _pObject != NULL )
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{
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_pObject->Release();
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} // if: we have an object
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} // for: each object in the collection
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rCollection.erase( rCollection.begin(), _itLast );
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} // if: the collection is not empty
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} //*** ReleaseAndEmptyCollection()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// HrNewVariantEnum
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//
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// Description:
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// Create a new Enumerator of VARIANT objects.
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//
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// Template Arguments:
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// TCollection - Type of the STL container argument.
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//
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// Arguments:
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// ppunk [OUT] - catches the enumerator.
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// rCollection [IN] - Implementatoin collection to make the
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// enumerator from.
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//
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// Return Value:
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// S_OK if successful, E_POINTER, or other HRESULT error.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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template< class TCollection >
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STDMETHODIMP HrNewVariantEnum(
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OUT IUnknown ** ppunk,
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IN const TCollection & rCollection
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)
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{
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ASSERT( ppunk != NULL );
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HRESULT _hr = E_POINTER;
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if ( ppunk != NULL )
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{
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TCollection::const_iterator _itFirst = rCollection.begin();
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TCollection::const_iterator _itLast = rCollection.end();
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size_t _iIndex;
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size_t _cVariants = rCollection.size();
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CComVariant * _pvarVect = NULL;
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*ppunk = NULL;
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_pvarVect = new CComVariant[ _cVariants ];
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if ( _pvarVect != NULL )
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{
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for ( _iIndex = 0; _itFirst != _itLast; _iIndex++, _itFirst++ )
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{
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_pvarVect[ _iIndex ] = *_itFirst;
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}
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CComObject< CComEnum< IEnumVARIANT, &IID_IEnumVARIANT, VARIANT, _Copy< VARIANT > > > * _pEnum;
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_pEnum = new CComObject< CComEnum< IEnumVARIANT, &IID_IEnumVARIANT, VARIANT, _Copy< VARIANT > > >;
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if ( _pEnum != NULL )
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{
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_hr = _pEnum->Init( &_pvarVect[ 0 ], &_pvarVect[ _cVariants ], NULL, AtlFlagCopy );
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if ( SUCCEEDED( _hr ) )
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{
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_hr = _pEnum->QueryInterface( IID_IEnumVARIANT, (void **) ppunk );
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}
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else
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{
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delete _pEnum;
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}
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}
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else
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{
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_hr = E_OUTOFMEMORY;
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}
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ClearVariantEnum( &_pvarVect );
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}
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else
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{
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_hr = E_OUTOFMEMORY;
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}
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}
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return _hr;
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} //*** HrNewVariantEnum()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// HrNewCComBSTREnum
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//
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// Description:
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// Create a new Enumerator of CComBSTR objects.
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//
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// Template Arguments:
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// TCollection - Type of the STL container argument.
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//
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// Arguments:
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// ppunk [OUT] - catches the enumerator.
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// rCollection [IN] - Implementatoin collection to make the
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// enumerator from.
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//
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// Return Value:
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// S_OK if successful, E_POINTER, or other HRESULT error.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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template< class TCollection >
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STDMETHODIMP HrNewCComBSTREnum(
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OUT IUnknown ** ppunk,
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IN const TCollection & rCollection
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)
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{
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ASSERT( ppunk != NULL );
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HRESULT _hr = E_POINTER;
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if ( ppunk != NULL )
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{
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TCollection::const_iterator _itFirst = rCollection.begin();
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TCollection::const_iterator _itLast = rCollection.end();
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size_t _iIndex;
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size_t _cVariants = rCollection.size();
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CComVariant * _pvarVect = NULL;
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*ppunk = NULL;
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_pvarVect = new CComVariant[ _cVariants ];
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if ( _pvarVect != NULL )
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{
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for ( _iIndex = 0; _itFirst != _itLast; _iIndex++, _itFirst++ )
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{
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_pvarVect[ _iIndex ].bstrVal = (*_itFirst)->Copy();;
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_pvarVect[ _iIndex ].vt = VT_BSTR;
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} // for:
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CComObject< CComEnum< IEnumVARIANT, &IID_IEnumVARIANT, VARIANT, _Copy< VARIANT > > > * _pEnum;
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_pEnum = new CComObject< CComEnum< IEnumVARIANT, &IID_IEnumVARIANT, VARIANT, _Copy< VARIANT > > >;
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if ( _pEnum != NULL )
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{
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_hr = _pEnum->Init( &_pvarVect[ 0 ], &_pvarVect[ _cVariants ], NULL, AtlFlagCopy );
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if ( SUCCEEDED( _hr ) )
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{
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_hr = _pEnum->QueryInterface( IID_IEnumVARIANT, (void **) ppunk );
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}
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else
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{
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delete _pEnum;
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}
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}
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else
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{
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_hr = E_OUTOFMEMORY;
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}
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ClearVariantEnum( &_pvarVect );
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}
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else
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{
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_hr = E_OUTOFMEMORY;
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}
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}
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return _hr;
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} //*** HrNewCComBSTREnum()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// HrCreateResourceCollection
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//
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// Description:
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// Create a resource collection.
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//
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// Template Arguments:
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// TCollection - Type of the collection implementation argument.
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// TInterface - Type of the collection Interface argument.
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// THandle - Type of the tHandle argument.
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//
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// Arguments:
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// ppCollection [OUT] - Catches the new collection implementation.
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// tHandle [IN] - Passed to the objects Create method.
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// ppInterface [OUT] - Catches the new collection interface.
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// iid [IN] - IID of the interface to QI for.
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// pClusRefObject [IN] - Wraps the cluster handle.
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//
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// Return Value:
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// S_OK if successful, E_POINTER, or other HRESULT error.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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template< class TCollection, class TInterface, class THandle >
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HRESULT HrCreateResourceCollection(
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OUT CComObject< TCollection > ** ppCollection,
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IN THandle tHandle,
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OUT TInterface ** ppInterface,
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IN IID iid,
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IN ISClusRefObject * pClusRefObject
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)
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{
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ASSERT( ppCollection != NULL );
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ASSERT( tHandle != NULL );
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// ASSERT( ppInterface != NULL );
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ASSERT( pClusRefObject != NULL );
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HRESULT _hr = E_POINTER;
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if ( ( ppCollection != NULL ) && ( ppInterface != NULL ) && ( pClusRefObject != NULL ) && ( tHandle != NULL ) )
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{
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*ppInterface = NULL;
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_hr = S_OK;
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if ( *ppCollection == NULL )
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{
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CComObject< TCollection > * pCollection = NULL;
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_hr = CComObject< TCollection >::CreateInstance( &pCollection );
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if ( SUCCEEDED( _hr ) )
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{
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CSmartPtr< ISClusRefObject > ptrRefObject( pClusRefObject );
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CSmartPtr< CComObject< TCollection > > ptrCollection( pCollection );
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_hr = ptrCollection->Create( ptrRefObject, tHandle );
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if ( SUCCEEDED( _hr ) )
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{
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_hr = ptrCollection->Refresh();
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if ( SUCCEEDED( _hr ) )
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{
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*ppCollection = ptrCollection;
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ptrCollection->AddRef();
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} // if: Refresh OK
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} // if: Create OK
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} // if: CreateInstance OK
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} // if: do we need to create a new collection?
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|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
_hr = (*ppCollection)->QueryInterface( iid, (void **) ppInterface );
|
||
|
|
} // if: we have, or successfully made a collection
|
||
|
|
} // if: all args OK
|
||
|
|
|
||
|
|
return _hr;
|
||
|
|
|
||
|
|
} //*** HrCreateResourceCollection()
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// HrCreateResourceCollection
|
||
|
|
//
|
||
|
|
// Description:
|
||
|
|
// Create a resource collection.
|
||
|
|
//
|
||
|
|
// Template Arguments:
|
||
|
|
// TCollection - Type of the collection implementation argument.
|
||
|
|
// TInterface - Type of the collection Interface argument.
|
||
|
|
// THandle - Type of the tHandle argument.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// ppInterface [OUT] - Catches the new collection interface.
|
||
|
|
// tHandle [IN] - Passed to the objects Create method.
|
||
|
|
// iid [IN] - IID of the interface to QI for.
|
||
|
|
// pClusRefObject [IN] - Wraps the cluster handle.
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
// S_OK if successful, E_POINTER, or other HRESULT error.
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
template< class TCollection, class TInterface, class THandle >
|
||
|
|
HRESULT HrCreateResourceCollection(
|
||
|
|
OUT TInterface ** ppInterface,
|
||
|
|
IN THandle tHandle,
|
||
|
|
IN IID iid,
|
||
|
|
IN ISClusRefObject * pClusRefObject
|
||
|
|
)
|
||
|
|
{
|
||
|
|
ASSERT( ppInterface != NULL );
|
||
|
|
ASSERT( tHandle != NULL );
|
||
|
|
ASSERT( pClusRefObject != NULL );
|
||
|
|
|
||
|
|
HRESULT _hr = E_POINTER;
|
||
|
|
|
||
|
|
if ( ( ppInterface != NULL ) && ( pClusRefObject != NULL ) && ( tHandle != NULL ) )
|
||
|
|
{
|
||
|
|
*ppInterface = NULL;
|
||
|
|
_hr = S_OK;
|
||
|
|
|
||
|
|
CComObject< TCollection > * pCollection = NULL;
|
||
|
|
|
||
|
|
_hr = CComObject< TCollection >::CreateInstance( &pCollection );
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
CSmartPtr< ISClusRefObject > ptrRefObject( pClusRefObject );
|
||
|
|
CSmartPtr< CComObject< TCollection > > ptrCollection( pCollection );
|
||
|
|
|
||
|
|
_hr = ptrCollection->Create( ptrRefObject, tHandle );
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
_hr = ptrCollection->Refresh();
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
_hr = pCollection->QueryInterface( iid, (void **) ppInterface );
|
||
|
|
} // if: Refresh OK
|
||
|
|
} // if: Create OK
|
||
|
|
} // if: CreateInstance OK
|
||
|
|
} // if: all args OK
|
||
|
|
|
||
|
|
return _hr;
|
||
|
|
|
||
|
|
} //*** HrCreateResourceCollection()
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// HrCreateResourceCollection
|
||
|
|
//
|
||
|
|
// Description:
|
||
|
|
// Create a resource collection.
|
||
|
|
//
|
||
|
|
// Template Arguments:
|
||
|
|
// TCollection - Type of the collection implementation to make.
|
||
|
|
// TInterface - Type of the collection Interface argument.
|
||
|
|
// THandle - Type of the tHandle argument.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// ppInterface [OUT] - Catches the new collection interface.
|
||
|
|
// iid [IN] - IID of the interface to QI for.
|
||
|
|
// pClusRefObject [IN] - Wraps the cluster handle.
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
// S_OK if successful, E_POINTER, or other HRESULT error.
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
template< class TCollection, class TInterface, class THandle >
|
||
|
|
HRESULT HrCreateResourceCollection(
|
||
|
|
OUT TInterface ** ppInterface,
|
||
|
|
IN IID iid,
|
||
|
|
IN ISClusRefObject * pClusRefObject
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//ASSERT( ppInterface != NULL );
|
||
|
|
ASSERT( pClusRefObject != NULL );
|
||
|
|
|
||
|
|
HRESULT _hr = E_POINTER;
|
||
|
|
|
||
|
|
if ( ( ppInterface != NULL ) && ( pClusRefObject != NULL ) )
|
||
|
|
{
|
||
|
|
*ppInterface = NULL;
|
||
|
|
_hr = S_OK;
|
||
|
|
|
||
|
|
CComObject< TCollection > * pCollection = NULL;
|
||
|
|
|
||
|
|
_hr = CComObject< TCollection >::CreateInstance( &pCollection );
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
CSmartPtr< ISClusRefObject > ptrRefObject( pClusRefObject );
|
||
|
|
CSmartPtr< CComObject< TCollection > > ptrCollection( pCollection );
|
||
|
|
|
||
|
|
_hr = ptrCollection->Create( ptrRefObject );
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
_hr = ptrCollection->Refresh();
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
_hr = pCollection->QueryInterface( iid, (void **) ppInterface );
|
||
|
|
} // if: Refresh OK
|
||
|
|
} // if: Create OK
|
||
|
|
} // if: CreateInstance OK
|
||
|
|
} // if: all args OK
|
||
|
|
|
||
|
|
return _hr;
|
||
|
|
|
||
|
|
} //*** HrCreateResourceCollection()
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// HrCreateResourceCollection
|
||
|
|
//
|
||
|
|
// Description:
|
||
|
|
// Create a resource collection.
|
||
|
|
//
|
||
|
|
// Template Arguments:
|
||
|
|
// TCollection - Type of the collection implementation argument.
|
||
|
|
// TInterface - Type of the collection Interface argument.
|
||
|
|
// THandle - Not used. Simply here because the Alpha compiler is broken.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// ppCollection [OUT] - Catches the new collection implementation.
|
||
|
|
// ppInterface [OUT] - Catches the new collection interface.
|
||
|
|
// iid [IN] - IID of the interface to QI for.
|
||
|
|
// pClusRefObject [IN] - Wraps the cluster handle.
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
// S_OK if successful, E_POINTER, or other HRESULT error.
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
template< class TCollection, class TInterface, class THandle >
|
||
|
|
HRESULT HrCreateResourceCollection(
|
||
|
|
OUT CComObject< TCollection > ** ppCollection,
|
||
|
|
OUT TInterface ** ppInterface,
|
||
|
|
IN IID iid,
|
||
|
|
IN ISClusRefObject * pClusRefObject
|
||
|
|
)
|
||
|
|
{
|
||
|
|
ASSERT( ppCollection != NULL );
|
||
|
|
//ASSERT( ppInterface != NULL );
|
||
|
|
ASSERT( pClusRefObject != NULL );
|
||
|
|
|
||
|
|
HRESULT _hr = E_POINTER;
|
||
|
|
|
||
|
|
if ( ( ppCollection != NULL ) && ( ppInterface != NULL ) && ( pClusRefObject != NULL ) )
|
||
|
|
{
|
||
|
|
*ppInterface = NULL;
|
||
|
|
_hr = S_OK;
|
||
|
|
|
||
|
|
if ( *ppCollection == NULL )
|
||
|
|
{
|
||
|
|
CComObject< TCollection > * pCollection = NULL;
|
||
|
|
|
||
|
|
_hr = CComObject< TCollection >::CreateInstance( &pCollection );
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
CSmartPtr< ISClusRefObject > ptrRefObject( pClusRefObject );
|
||
|
|
CSmartPtr< CComObject< TCollection > > ptrCollection( pCollection );
|
||
|
|
|
||
|
|
_hr = ptrCollection->Create( ptrRefObject );
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
_hr = ptrCollection->Refresh();
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
*ppCollection = ptrCollection;
|
||
|
|
ptrCollection->AddRef();
|
||
|
|
} // if: Refresh OK
|
||
|
|
} // if: Create OK
|
||
|
|
} // if: CreateInstance OK
|
||
|
|
} // if: do we need to create a new collection?
|
||
|
|
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
_hr = (*ppCollection)->QueryInterface( iid, (void **) ppInterface );
|
||
|
|
} // if: we have, or successfully made a collection
|
||
|
|
} // if: all args OK
|
||
|
|
|
||
|
|
return _hr;
|
||
|
|
|
||
|
|
} //*** HrCreateResourceCollection()
|
||
|
|
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
//++
|
||
|
|
//
|
||
|
|
// HrCreateResourceCollection
|
||
|
|
//
|
||
|
|
// Description:
|
||
|
|
// Create a resource collection.
|
||
|
|
//
|
||
|
|
// Template Arguments:
|
||
|
|
// TCollection - Type of the collection implementation to make.
|
||
|
|
// TInterface - Type of the collection Interface argument.
|
||
|
|
// THandle - Type of the tHandle argument.
|
||
|
|
//
|
||
|
|
// Arguments:
|
||
|
|
// tHandle [IN] - Passed to the collection' create method.
|
||
|
|
// ppInterface [OUT] - Catches the new collection interface.
|
||
|
|
// iid [IN] - IID of the interface to QI for.
|
||
|
|
//
|
||
|
|
// Return Value:
|
||
|
|
// S_OK if successful, E_POINTER, or other HRESULT error.
|
||
|
|
//
|
||
|
|
//--
|
||
|
|
/////////////////////////////////////////////////////////////////////////////
|
||
|
|
template< class TCollection, class TInterface, class THandle >
|
||
|
|
HRESULT HrCreateResourceCollection(
|
||
|
|
IN THandle tHandle,
|
||
|
|
OUT TInterface ** ppInterface,
|
||
|
|
IN IID iid
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//ASSERT( ppInterface != NULL );
|
||
|
|
|
||
|
|
HRESULT _hr = E_POINTER;
|
||
|
|
|
||
|
|
if ( ppInterface != NULL )
|
||
|
|
{
|
||
|
|
*ppInterface = NULL;
|
||
|
|
_hr = S_OK;
|
||
|
|
|
||
|
|
CComObject< TCollection > * pCollection = NULL;
|
||
|
|
|
||
|
|
_hr = CComObject< TCollection >::CreateInstance( &pCollection );
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
CSmartPtr< CComObject< TCollection > > ptrCollection( pCollection );
|
||
|
|
|
||
|
|
_hr = ptrCollection->Create( tHandle );
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
_hr = ptrCollection->Refresh();
|
||
|
|
if ( SUCCEEDED( _hr ) )
|
||
|
|
{
|
||
|
|
_hr = pCollection->QueryInterface( iid, (void **) ppInterface );
|
||
|
|
} // if: Refresh OK
|
||
|
|
} // if: Create OK
|
||
|
|
} // if: CreateInstance OK
|
||
|
|
} // if: all args OK
|
||
|
|
|
||
|
|
return _hr;
|
||
|
|
|
||
|
|
} //*** HrCreateResourceCollection()
|
||
|
|
|
||
|
|
#endif // _TEMPLATEFUNCS_H_
|
||
|
|
|