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| -rw-r--r-- | include/com/sun/star/uno/Reference.hxx | 481 |
1 files changed, 481 insertions, 0 deletions
diff --git a/include/com/sun/star/uno/Reference.hxx b/include/com/sun/star/uno/Reference.hxx new file mode 100644 index 000000000..7632c5504 --- /dev/null +++ b/include/com/sun/star/uno/Reference.hxx @@ -0,0 +1,481 @@ +/* -*- 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 . + */ + +/* + * This file is part of LibreOffice published API. + */ +#ifndef INCLUDED_COM_SUN_STAR_UNO_REFERENCE_HXX +#define INCLUDED_COM_SUN_STAR_UNO_REFERENCE_HXX + +#include "sal/config.h" + +#include <cstddef> +#include <ostream> + +#include "com/sun/star/uno/Reference.h" +#include "com/sun/star/uno/RuntimeException.hpp" +#include "com/sun/star/uno/XInterface.hpp" +#include "com/sun/star/uno/Any.hxx" +#include "cppu/cppudllapi.h" + +extern "C" CPPU_DLLPUBLIC rtl_uString * SAL_CALL cppu_unsatisfied_iquery_msg( + typelib_TypeDescriptionReference * pType ) + SAL_THROW_EXTERN_C(); +extern "C" CPPU_DLLPUBLIC rtl_uString * SAL_CALL cppu_unsatisfied_iset_msg( + typelib_TypeDescriptionReference * pType ) + SAL_THROW_EXTERN_C(); + +namespace com +{ +namespace sun +{ +namespace star +{ +namespace uno +{ + + +inline XInterface * BaseReference::iquery( + XInterface * pInterface, const Type & rType ) +{ + if (pInterface) + { + Any aRet( pInterface->queryInterface( rType ) ); + if (typelib_TypeClass_INTERFACE == aRet.pType->eTypeClass) + { + XInterface * pRet = static_cast< XInterface * >( aRet.pReserved ); + aRet.pReserved = NULL; + return pRet; + } + } + return NULL; +} + +template< class interface_type > +inline XInterface * Reference< interface_type >::iquery( + XInterface * pInterface ) +{ + return BaseReference::iquery(pInterface, interface_type::static_type()); +} + +inline XInterface * BaseReference::iquery_throw( + XInterface * pInterface, const Type & rType ) +{ + XInterface * pQueried = iquery( pInterface, rType ); + if (pQueried) + return pQueried; + throw RuntimeException( + ::rtl::OUString( cppu_unsatisfied_iquery_msg( rType.getTypeLibType() ), SAL_NO_ACQUIRE ), + Reference< XInterface >( pInterface ) ); +} + +template< class interface_type > +inline XInterface * Reference< interface_type >::iquery_throw( + XInterface * pInterface ) +{ + return BaseReference::iquery_throw( + pInterface, interface_type::static_type()); +} + +template< class interface_type > +inline interface_type * Reference< interface_type >::iset_throw( + interface_type * pInterface ) +{ + if (pInterface) + { + castToXInterface(pInterface)->acquire(); + return pInterface; + } + throw RuntimeException( + ::rtl::OUString( cppu_unsatisfied_iset_msg( interface_type::static_type().getTypeLibType() ), SAL_NO_ACQUIRE ), + NULL ); +} + +template< class interface_type > +inline Reference< interface_type >::~Reference() COVERITY_NOEXCEPT_FALSE +{ + if (_pInterface) + _pInterface->release(); +} + +template< class interface_type > +inline Reference< interface_type >::Reference() +{ + _pInterface = NULL; +} + +template< class interface_type > +inline Reference< interface_type >::Reference( const Reference< interface_type > & rRef ) +{ + _pInterface = rRef._pInterface; + if (_pInterface) + _pInterface->acquire(); +} + +#if defined LIBO_INTERNAL_ONLY +template< class interface_type > +inline Reference< interface_type >::Reference( Reference< interface_type > && rRef ) noexcept +{ + _pInterface = rRef._pInterface; + rRef._pInterface = nullptr; +} + +template< class interface_type > template< class derived_type > +inline Reference< interface_type >::Reference( + const Reference< derived_type > & rRef, + std::enable_if_t< + std::is_base_of_v<interface_type, derived_type> + && !std::is_same_v<interface_type, XInterface>, void *>) +{ + interface_type * p = rRef.get(); + _pInterface = castToXInterface(p); + if (_pInterface) + _pInterface->acquire(); +} +#endif + +template< class interface_type > +inline Reference< interface_type >::Reference( interface_type * pInterface ) +{ + _pInterface = castToXInterface(pInterface); + if (_pInterface) + _pInterface->acquire(); +} + +template< class interface_type > +inline Reference< interface_type >::Reference( interface_type * pInterface, __sal_NoAcquire ) +{ + _pInterface = castToXInterface(pInterface); +} + +template< class interface_type > +inline Reference< interface_type >::Reference( interface_type * pInterface, UnoReference_NoAcquire ) +{ + _pInterface = castToXInterface(pInterface); +} + +template< class interface_type > +inline Reference< interface_type >::Reference( const BaseReference & rRef, UnoReference_Query ) +{ + _pInterface = iquery( rRef.get() ); +} + +template< class interface_type > +inline Reference< interface_type >::Reference( XInterface * pInterface, UnoReference_Query ) +{ + _pInterface = iquery( pInterface ); +} + +template< class interface_type > +inline Reference< interface_type >::Reference( const Any & rAny, UnoReference_Query ) +{ + _pInterface = (typelib_TypeClass_INTERFACE == rAny.pType->eTypeClass + ? iquery( static_cast< XInterface * >( rAny.pReserved ) ) : NULL); +} + +template< class interface_type > +inline Reference< interface_type >::Reference( const BaseReference & rRef, UnoReference_QueryThrow ) +{ + _pInterface = iquery_throw( rRef.get() ); +} + +template< class interface_type > +inline Reference< interface_type >::Reference( XInterface * pInterface, UnoReference_QueryThrow ) +{ + _pInterface = iquery_throw( pInterface ); +} + +template< class interface_type > +inline Reference< interface_type >::Reference( const Any & rAny, UnoReference_QueryThrow ) +{ + _pInterface = iquery_throw( typelib_TypeClass_INTERFACE == rAny.pType->eTypeClass + ? static_cast< XInterface * >( rAny.pReserved ) : NULL ); +} + +template< class interface_type > +inline Reference< interface_type >::Reference( const Reference< interface_type > & rRef, UnoReference_SetThrow ) +{ + _pInterface = castToXInterface( iset_throw( rRef.get() ) ); +} + +template< class interface_type > +inline Reference< interface_type >::Reference( interface_type * pInterface, UnoReference_SetThrow ) +{ + _pInterface = castToXInterface( iset_throw( pInterface ) ); +} + + +template< class interface_type > +inline void Reference< interface_type >::clear() +{ + if (_pInterface) + { + XInterface * const pOld = _pInterface; + _pInterface = NULL; + pOld->release(); + } +} + +template< class interface_type > +inline bool Reference< interface_type >::set( + interface_type * pInterface ) +{ + if (pInterface) + castToXInterface(pInterface)->acquire(); + XInterface * const pOld = _pInterface; + _pInterface = castToXInterface(pInterface); + if (pOld) + pOld->release(); + return (NULL != pInterface); +} + +template< class interface_type > +inline bool Reference< interface_type >::set( + interface_type * pInterface, __sal_NoAcquire ) +{ + XInterface * const pOld = _pInterface; + _pInterface = castToXInterface(pInterface); + if (pOld) + pOld->release(); + return (NULL != pInterface); +} + +template< class interface_type > +inline bool Reference< interface_type >::set( + interface_type * pInterface, UnoReference_NoAcquire ) +{ + return set( pInterface, SAL_NO_ACQUIRE ); +} + + +template< class interface_type > +inline bool Reference< interface_type >::set( + const Reference< interface_type > & rRef ) +{ + return set( castFromXInterface( rRef._pInterface ) ); +} + +template< class interface_type > +inline bool Reference< interface_type >::set( + XInterface * pInterface, UnoReference_Query ) +{ + return set( castFromXInterface(iquery( pInterface )), SAL_NO_ACQUIRE ); +} + +template< class interface_type > +inline bool Reference< interface_type >::set( + const BaseReference & rRef, UnoReference_Query ) +{ + return set( castFromXInterface(iquery( rRef.get() )), SAL_NO_ACQUIRE ); +} + + +template< class interface_type > +inline bool Reference< interface_type >::set( + Any const & rAny, UnoReference_Query ) +{ + return set( + castFromXInterface( + iquery( + rAny.pType->eTypeClass == typelib_TypeClass_INTERFACE + ? static_cast< XInterface * >( rAny.pReserved ) : NULL )), + SAL_NO_ACQUIRE ); +} + + +template< class interface_type > +inline void Reference< interface_type >::set( + XInterface * pInterface, UnoReference_QueryThrow ) +{ + set( castFromXInterface(iquery_throw( pInterface )), SAL_NO_ACQUIRE ); +} + +template< class interface_type > +inline void Reference< interface_type >::set( + const BaseReference & rRef, UnoReference_QueryThrow ) +{ + set( castFromXInterface(iquery_throw( rRef.get() )), SAL_NO_ACQUIRE ); +} + + +template< class interface_type > +inline void Reference< interface_type >::set( + Any const & rAny, UnoReference_QueryThrow ) +{ + set( castFromXInterface( + iquery_throw( + rAny.pType->eTypeClass == typelib_TypeClass_INTERFACE + ? static_cast< XInterface * >( rAny.pReserved ) : NULL )), + SAL_NO_ACQUIRE ); +} + +template< class interface_type > +inline void Reference< interface_type >::set( + interface_type * pInterface, UnoReference_SetThrow ) +{ + set( iset_throw( pInterface ), SAL_NO_ACQUIRE ); +} + +template< class interface_type > +inline void Reference< interface_type >::set( + const Reference< interface_type > & rRef, UnoReference_SetThrow ) +{ + set( rRef.get(), UNO_SET_THROW ); +} + + +template< class interface_type > +inline Reference< interface_type > & Reference< interface_type >::operator = ( + interface_type * pInterface ) +{ + set( pInterface ); + return *this; +} + +template< class interface_type > +inline Reference< interface_type > & Reference< interface_type >::operator = ( + const Reference< interface_type > & rRef ) +{ + set( castFromXInterface( rRef._pInterface ) ); + return *this; +} + +#if defined LIBO_INTERNAL_ONLY +template< class interface_type > +inline Reference< interface_type > & Reference< interface_type >::operator = ( + Reference< interface_type > && rRef ) noexcept +{ + if (_pInterface) + _pInterface->release(); + _pInterface = rRef._pInterface; + rRef._pInterface = nullptr; + return *this; +} +#endif + +template< class interface_type > +inline Reference< interface_type > Reference< interface_type >::query( + const BaseReference & rRef ) +{ + return Reference< interface_type >( + castFromXInterface(iquery( rRef.get() )), SAL_NO_ACQUIRE ); +} + +template< class interface_type > +inline Reference< interface_type > Reference< interface_type >::query( + XInterface * pInterface ) +{ + return Reference< interface_type >( + castFromXInterface(iquery( pInterface )), SAL_NO_ACQUIRE ); +} + + +inline bool BaseReference::operator == ( XInterface * pInterface ) const +{ + if (_pInterface == pInterface) + return true; + try + { + // only the query to XInterface must return the same pointer if they belong to same objects + Reference< XInterface > x1( _pInterface, UNO_QUERY ); + Reference< XInterface > x2( pInterface, UNO_QUERY ); + return (x1._pInterface == x2._pInterface); + } + catch (RuntimeException &) + { + return false; + } +} + + +inline bool BaseReference::operator < ( + const BaseReference & rRef ) const +{ + if (_pInterface == rRef._pInterface) + return false; + try + { + // only the query to XInterface must return the same pointer: + Reference< XInterface > x1( _pInterface, UNO_QUERY ); + Reference< XInterface > x2( rRef, UNO_QUERY ); + return (x1._pInterface < x2._pInterface); + } + catch (RuntimeException &) + { + return false; + } +} + + +inline bool BaseReference::operator != ( XInterface * pInterface ) const +{ + return (! operator == ( pInterface )); +} + +inline bool BaseReference::operator == ( const BaseReference & rRef ) const +{ + return operator == ( rRef._pInterface ); +} + +inline bool BaseReference::operator != ( const BaseReference & rRef ) const +{ + return (! operator == ( rRef._pInterface )); +} + +#if defined LIBO_INTERNAL_ONLY +/** + Support for BaseReference in std::ostream (and thus in CPPUNIT_ASSERT or + SAL_INFO macros, for example). + + @since LibreOffice 5.4 +*/ +template<typename charT, typename traits> std::basic_ostream<charT, traits> & +operator <<( + std::basic_ostream<charT, traits> & stream, BaseReference const & ref) +{ return stream << ref.get(); } +#endif + +} +} +} +} + +#if defined LIBO_INTERNAL_ONLY +namespace std +{ + +/** + Make css::uno::Reference hashable by default for use in STL containers. + + @since LibreOffice 6.3 +*/ +template<typename T> +struct hash<::css::uno::Reference<T>> +{ + std::size_t operator()(::css::uno::Reference<T> const & s) const + { return size_t(s.get()); } +}; + +} + +#endif + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |