office-gobmx/include/com/sun/star/uno/Reference.hxx
Noel be92ed5799 loplugin:referencecasting in reportdesign
Also, I needed to add
    castToXInterface()
to the upcasting Reference::Reference constructor,
to resolve ambiguity in casting to XInterface.

Change-Id: Ica60190bc842444c37de56407b586aa267f08372
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/110890
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2021-02-16 07:52:57 +01:00

481 lines
13 KiB
C++

/* -*- 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: */