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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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.
*
************************************************************************/
#ifndef _XMLOFF_FORMS_IFACECOMPARE_HXX_
#define _XMLOFF_FORMS_IFACECOMPARE_HXX_
#include <comphelper/stl_types.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/drawing/XDrawPage.hpp>
//.........................................................................
namespace xmloff
{
//.........................................................................
//=====================================================================
//= OInterfaceCompare
//=====================================================================
/** is stl-compliant structure for comparing Reference< <iface> > instances
*/
template < class IAFCE >
struct OInterfaceCompare
:public ::std::binary_function < ::com::sun::star::uno::Reference< IAFCE >
, ::com::sun::star::uno::Reference< IAFCE >
, bool
>
{
bool operator() (const ::com::sun::star::uno::Reference< IAFCE >& lhs, const ::com::sun::star::uno::Reference< IAFCE >& rhs) const
{
return lhs.get() < rhs.get();
// this does not make any sense if you see the semantics of the pointer returned by get:
// It's a pointer to a point in memory where an interface implementation lies.
// But for our purpose (provide a reliable less-operator which can be used with the STL), this is
// sufficient ....
}
};
typedef OInterfaceCompare< ::com::sun::star::beans::XPropertySet > OPropertySetCompare;
typedef OInterfaceCompare< ::com::sun::star::drawing::XDrawPage > ODrawPageCompare;
//.........................................................................
} // namespace xmloff
//.........................................................................
#endif // _XMLOFF_FORMS_IFACECOMPARE_HXX_
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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