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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_comphelper.hxx"
#include <comphelper/querydeep.hxx>
#include <typelib/typedescription.h>
//__________________________________________________________________________________________________
sal_Bool comphelper::isDerivedFrom(
const ::com::sun::star::uno::Type & rBaseType,
const ::com::sun::star::uno::Type & rType )
{
using namespace ::com::sun::star::uno;
TypeClass eClass = rBaseType.getTypeClass();
if (eClass != TypeClass_INTERFACE)
return sal_False;
// supported TypeClass - do the types match ?
if (eClass != rType.getTypeClass())
return sal_False;
sal_Bool bRet;
// shortcut for simple case
if (rBaseType == ::getCppuType(static_cast<const Reference< XInterface > *>(0)))
{
bRet = sal_True;
}
else
{
// now ask in cppu (aka typelib)
::typelib_TypeDescription *pBaseTD = 0, *pTD = 0;
rBaseType. getDescription(&pBaseTD);
rType. getDescription(&pTD);
// interfaces are assignable to a base
bRet = ::typelib_typedescription_isAssignableFrom(pBaseTD, pTD);
::typelib_typedescription_release(pBaseTD);
::typelib_typedescription_release(pTD);
}
return bRet;
}
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