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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef __COMPHELPER_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER__
21 : #define __COMPHELPER_UNOINTERFACETOUNIQUEIDENTIFIERMAPPER__
22 :
23 : #include "sal/config.h"
24 : #include "xmloff/dllapi.h"
25 : #include "sal/types.h"
26 :
27 : #include <map>
28 : #include <rtl/ustring.hxx>
29 : #include <com/sun/star/uno/XInterface.hpp>
30 :
31 : namespace comphelper
32 : {
33 :
34 : typedef ::std::map< rtl::OUString, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > IdMap_t;
35 :
36 952 : class XMLOFF_DLLPUBLIC UnoInterfaceToUniqueIdentifierMapper
37 : {
38 : public:
39 : UnoInterfaceToUniqueIdentifierMapper();
40 :
41 : /** returns a unique identifier for the given uno object. IF a uno object is
42 : registered more than once, the returned identifier is always the same.
43 : */
44 : const rtl::OUString& registerReference( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface );
45 :
46 : /** registers the given uno object with the given identifier.
47 :
48 : @returns
49 : false, if the given identifier already exists and is not associated with the given interface
50 : */
51 : bool registerReference( const rtl::OUString& rIdentifier, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface );
52 :
53 : /** @returns
54 : the identifier for the given uno object. If this uno object is not already
55 : registered, an empty string is returned
56 : */
57 : const rtl::OUString& getIdentifier( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface ) const;
58 :
59 : /** @returns
60 : the uno object that is registered with the given identifier. If no uno object
61 : is registered with the given identifier, an empty reference is returned.
62 : */
63 : const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& getReference( const rtl::OUString& rIdentifier ) const;
64 :
65 : private:
66 : bool findReference( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& rInterface, IdMap_t::const_iterator& rIter ) const;
67 : bool findIdentifier( const rtl::OUString& rIdentifier, IdMap_t::const_iterator& rIter ) const;
68 :
69 : IdMap_t maEntries;
70 : sal_Int32 mnNextId;
71 : };
72 :
73 : }
74 :
75 : #endif
76 :
77 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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