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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_SERVICEHELPER_HXX_
21 : : #define _COMPHELPER_SERVICEHELPER_HXX_
22 : :
23 : : #include <rtl/uuid.h>
24 : : #include <rtl/instance.hxx>
25 : : #include <com/sun/star/uno/Sequence.hxx>
26 : :
27 : 2564 : class UnoTunnelIdInit
28 : : {
29 : : private:
30 : : ::com::sun::star::uno::Sequence< sal_Int8 > m_aSeq;
31 : : public:
32 : 2564 : UnoTunnelIdInit() : m_aSeq(16)
33 : : {
34 [ + - ][ + - ]: 2564 : rtl_createUuid( (sal_uInt8*)m_aSeq.getArray(), 0, sal_True );
35 : 2564 : }
36 : 2825276 : const ::com::sun::star::uno::Sequence< sal_Int8 >& getSeq() const { return m_aSeq; }
37 : : };
38 : :
39 : : /** the UNO3_GETIMPLEMENTATION_* macros implement a static helper function
40 : : that gives access to your implementation for a given interface reference,
41 : : if possible.
42 : :
43 : : Example:
44 : : MyClass* pClass = MyClass::getImplementation( xRef );
45 : :
46 : : Usage:
47 : : Put a UNO3_GETIMPLEMENTATION_DECL( classname ) inside your class
48 : : definitian and UNO3_GETIMPLEMENTATION_IMPL( classname ) inside
49 : : your cxx file. Your class must inherit ::com::sun::star::uno::XUnoTunnel
50 : : and export it with queryInterface. Implementation of XUnoTunnel is
51 : : done by this macro.
52 : : */
53 : : #define UNO3_GETIMPLEMENTATION_DECL( classname ) \
54 : : static const ::com::sun::star::uno::Sequence< sal_Int8 > & getUnoTunnelId() throw(); \
55 : : static classname* getImplementation( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xInt ); \
56 : : virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& aIdentifier ) throw(::com::sun::star::uno::RuntimeException);
57 : :
58 : : #define UNO3_GETIMPLEMENTATION_BASE_IMPL( classname ) \
59 : : namespace \
60 : : { \
61 : : class the##classname##UnoTunnelId : public rtl::Static< UnoTunnelIdInit, the##classname##UnoTunnelId> {}; \
62 : : } \
63 : : const ::com::sun::star::uno::Sequence< sal_Int8 > & classname::getUnoTunnelId() throw() \
64 : : { \
65 : : return the##classname##UnoTunnelId::get().getSeq(); \
66 : : } \
67 : : \
68 : : classname* classname::getImplementation( const uno::Reference< uno::XInterface >& xInt ) \
69 : : { \
70 : : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XUnoTunnel > xUT( xInt, ::com::sun::star::uno::UNO_QUERY ); \
71 : : if( xUT.is() ) \
72 : : return reinterpret_cast<classname*>(sal::static_int_cast<sal_IntPtr>(xUT->getSomething( classname::getUnoTunnelId() ))); \
73 : : else \
74 : : return NULL; \
75 : : }
76 : :
77 : : #define UNO3_GETIMPLEMENTATION_IMPL( classname )\
78 : : UNO3_GETIMPLEMENTATION_BASE_IMPL(classname)\
79 : : sal_Int64 SAL_CALL classname::getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw(::com::sun::star::uno::RuntimeException) \
80 : : { \
81 : : if( rId.getLength() == 16 && 0 == rtl_compareMemory( getUnoTunnelId().getConstArray(), \
82 : : rId.getConstArray(), 16 ) ) \
83 : : { \
84 : : return sal::static_int_cast<sal_Int64>(reinterpret_cast<sal_IntPtr>(this)); \
85 : : } \
86 : : return 0; \
87 : : }
88 : :
89 : : #define UNO3_GETIMPLEMENTATION2_IMPL( classname, baseclass )\
90 : : UNO3_GETIMPLEMENTATION_BASE_IMPL(classname)\
91 : : sal_Int64 SAL_CALL classname::getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& rId ) throw(::com::sun::star::uno::RuntimeException) \
92 : : { \
93 : : if( rId.getLength() == 16 && 0 == rtl_compareMemory( getUnoTunnelId().getConstArray(), \
94 : : rId.getConstArray(), 16 ) ) \
95 : : { \
96 : : return sal::static_int_cast<sal_Int64>(reinterpret_cast<sal_IntPtr>(this)); \
97 : : } \
98 : : else \
99 : : { \
100 : : return baseclass::getSomething( rId ); \
101 : : } \
102 : : }
103 : :
104 : :
105 : : #endif // _COMPHELPER_SERVICEHELPER_HXX_
106 : :
107 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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