1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #ifndef _XMLOFF_FORMS_IFACECOMPARE_HXX_ 29 #define _XMLOFF_FORMS_IFACECOMPARE_HXX_ 30 31 #include <comphelper/stl_types.hxx> 32 #include <com/sun/star/beans/XPropertySet.hpp> 33 #include <com/sun/star/drawing/XDrawPage.hpp> 34 35 //......................................................................... 36 namespace xmloff 37 { 38 //......................................................................... 39 40 //===================================================================== 41 //= OInterfaceCompare 42 //===================================================================== 43 /** is stl-compliant structure for comparing Reference< <iface> > instances 44 */ 45 template < class IAFCE > 46 struct OInterfaceCompare 47 :public ::std::binary_function < ::com::sun::star::uno::Reference< IAFCE > 48 , ::com::sun::star::uno::Reference< IAFCE > 49 , bool 50 > 51 { 52 bool operator() (const ::com::sun::star::uno::Reference< IAFCE >& lhs, const ::com::sun::star::uno::Reference< IAFCE >& rhs) const 53 { 54 return lhs.get() < rhs.get(); 55 // this does not make any sense if you see the semantics of the pointer returned by get: 56 // It's a pointer to a point in memory where an interface implementation lies. 57 // But for our purpose (provide a reliable less-operator which can be used with the STL), this is 58 // sufficient .... 59 } 60 }; 61 62 typedef OInterfaceCompare< ::com::sun::star::beans::XPropertySet > OPropertySetCompare; 63 typedef OInterfaceCompare< ::com::sun::star::drawing::XDrawPage > ODrawPageCompare; 64 65 //......................................................................... 66 } // namespace xmloff 67 //......................................................................... 68 69 #endif // _XMLOFF_FORMS_IFACECOMPARE_HXX_ 70 71