1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _XMLOFF_FORMS_IFACECOMPARE_HXX_ 25 #define _XMLOFF_FORMS_IFACECOMPARE_HXX_ 26 27 #include <comphelper/stl_types.hxx> 28 #include <com/sun/star/beans/XPropertySet.hpp> 29 #include <com/sun/star/drawing/XDrawPage.hpp> 30 31 //......................................................................... 32 namespace xmloff 33 { 34 //......................................................................... 35 36 //===================================================================== 37 //= OInterfaceCompare 38 //===================================================================== 39 /** is stl-compliant structure for comparing Reference< <iface> > instances 40 */ 41 template < class IAFCE > 42 struct OInterfaceCompare 43 :public ::std::binary_function < ::com::sun::star::uno::Reference< IAFCE > 44 , ::com::sun::star::uno::Reference< IAFCE > 45 , bool 46 > 47 { operator ()xmloff::OInterfaceCompare48 bool operator() (const ::com::sun::star::uno::Reference< IAFCE >& lhs, const ::com::sun::star::uno::Reference< IAFCE >& rhs) const 49 { 50 return lhs.get() < rhs.get(); 51 // this does not make any sense if you see the semantics of the pointer returned by get: 52 // It's a pointer to a point in memory where an interface implementation lies. 53 // But for our purpose (provide a reliable less-operator which can be used with the STL), this is 54 // sufficient .... 55 } 56 }; 57 58 typedef OInterfaceCompare< ::com::sun::star::beans::XPropertySet > OPropertySetCompare; 59 typedef OInterfaceCompare< ::com::sun::star::drawing::XDrawPage > ODrawPageCompare; 60 61 //......................................................................... 62 } // namespace xmloff 63 //......................................................................... 64 65 #endif // _XMLOFF_FORMS_IFACECOMPARE_HXX_ 66 67