85 lines
3.5 KiB
C++
85 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef __COMPHELPER_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER__
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#define __COMPHELPER_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER__
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#include "sal/config.h"
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#include "xmloff/dllapi.h"
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#include "sal/types.h"
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#include <map>
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#include <rtl/ustring.hxx>
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#include <com/sun/star/uno/XInterface.hpp>
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namespace comphelper
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{
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typedef ::std::map< OUString, ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > IdMap_t;
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class XMLOFF_DLLPUBLIC UnoInterfaceToUniqueIdentifierMapper
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{
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public:
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UnoInterfaceToUniqueIdentifierMapper();
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/** returns a unique identifier for the given uno object. IF a uno object is
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registered more than once, the returned identifier is always the same.
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*/
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const OUString& registerReference( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface );
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/** registers the given uno object with the given identifier.
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@returns
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false, if the given identifier already exists and is not associated with the given interface
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*/
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bool registerReference( const OUString& rIdentifier, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface );
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/** always registers the given uno object with the given identifier.
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In contrast to registerReference(), this here overwrites any
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earlier registration of the same identifier
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*/
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void registerReferenceAlways( const rtl::OUString& rIdentifier, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface );
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/** @returns
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the identifier for the given uno object. If this uno object is not already
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registered, an empty string is returned
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*/
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const OUString& getIdentifier( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ) const;
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/** @returns
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the uno object that is registered with the given identifier. If no uno object
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is registered with the given identifier, an empty reference is returned.
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*/
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const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& getReference( const OUString& rIdentifier ) const;
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private:
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bool findReference( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface, IdMap_t::const_iterator& rIter ) const;
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bool findIdentifier( const OUString& rIdentifier, IdMap_t::const_iterator& rIter ) const;
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void insertReference( const OUString& rIdentifier, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface );
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IdMap_t maEntries;
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sal_Int32 mnNextId;
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};
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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