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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 INCLUDED_XMLOFF_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER_HXX
#define INCLUDED_XMLOFF_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER_HXX
#include <sal/config.h>
#include <xmloff/dllapi.h>
#include <sal/types.h>
#include <map>
#include <rtl/ustring.hxx>
#include <com/sun/star/uno/XInterface.hpp>
namespace comphelper
{
typedef ::std::map< OUString, css::uno::Reference< css::uno::XInterface > > IdMap_t;
class XMLOFF_DLLPUBLIC UnoInterfaceToUniqueIdentifierMapper
{
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 OUString& registerReference( const css::uno::Reference< css::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 OUString& rIdentifier, const css::uno::Reference< css::uno::XInterface >& rInterface );
/** always registers the given uno object with the given identifier.
In contrast to registerReference(), this here overwrites any
earlier registration of the same identifier
*/
void registerReferenceAlways( const OUString& rIdentifier, const css::uno::Reference< css::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 OUString& getIdentifier( const css::uno::Reference< css::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 css::uno::Reference< css::uno::XInterface >& getReference( const OUString& rIdentifier ) const;
private:
bool findReference( const css::uno::Reference< css::uno::XInterface >& rInterface, IdMap_t::const_iterator& rIter ) const;
bool findIdentifier( const OUString& rIdentifier, IdMap_t::const_iterator& rIter ) const;
void insertReference( const OUString& rIdentifier, const css::uno::Reference< css::uno::XInterface >& rInterface );
IdMap_t maEntries;
sal_uInt32 mnNextId;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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