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