xref: /AOO41X/main/cppu/inc/com/sun/star/uno/Reference.hxx (revision 47148b3bc50811ceb41802e4cc50a5db21535900)

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 * 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
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#ifndef _COM_SUN_STAR_UNO_REFERENCE_HXX_
#define _COM_SUN_STAR_UNO_REFERENCE_HXX_

#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/uno/RuntimeException.hpp>
#ifndef _COM_SUN_STAR_UNO_XINTERFACE_HDL_
#include <com/sun/star/uno/XInterface.hdl>
#endif
#include <com/sun/star/uno/genfunc.hxx>

namespace com
{
namespace sun
{
namespace star
{
namespace uno
{

//__________________________________________________________________________________________________
inline XInterface * BaseReference::iquery(
	XInterface * pInterface, const Type & rType )
    SAL_THROW( (RuntimeException) )
{
	if (pInterface)
	{
		Any aRet( pInterface->queryInterface( rType ) );
		if (typelib_TypeClass_INTERFACE == aRet.pType->eTypeClass)
		{
			XInterface * pRet = static_cast< XInterface * >( aRet.pReserved );
			aRet.pReserved = 0;
			return pRet;
		}
	}
	return 0;
}
//__________________________________________________________________________________________________
template< class interface_type >
inline XInterface * Reference< interface_type >::iquery(
	XInterface * pInterface ) SAL_THROW( (RuntimeException) )
{
    return BaseReference::iquery(pInterface, interface_type::static_type());
}
#ifndef EXCEPTIONS_OFF
extern "C" rtl_uString * SAL_CALL cppu_unsatisfied_iquery_msg(
    typelib_TypeDescriptionReference * pType )
    SAL_THROW_EXTERN_C();
extern "C" rtl_uString * SAL_CALL cppu_unsatisfied_iset_msg(
    typelib_TypeDescriptionReference * pType )
    SAL_THROW_EXTERN_C();
//__________________________________________________________________________________________________
inline XInterface * BaseReference::iquery_throw(
	XInterface * pInterface, const Type & rType )
    SAL_THROW( (RuntimeException) )
{
    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 ) SAL_THROW( (RuntimeException) )
{
    return BaseReference::iquery_throw(
        pInterface, interface_type::static_type());
}
//__________________________________________________________________________________________________
template< class interface_type >
inline interface_type * Reference< interface_type >::iset_throw(
	interface_type * pInterface ) SAL_THROW( (RuntimeException) )
{
    if (pInterface)
    {
        pInterface->acquire();
        return pInterface;
    }
    throw RuntimeException(
        ::rtl::OUString( cppu_unsatisfied_iset_msg( interface_type::static_type().getTypeLibType() ), SAL_NO_ACQUIRE ),
        NULL );
}
#endif

//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::~Reference() SAL_THROW( () )
{
	if (_pInterface)
		_pInterface->release();
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference() SAL_THROW( () )
{
	_pInterface = 0;
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( const Reference< interface_type > & rRef ) SAL_THROW( () )
{
	_pInterface = rRef._pInterface;
	if (_pInterface)
		_pInterface->acquire();
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( interface_type * pInterface ) SAL_THROW( () )
{
	_pInterface = castToXInterface(pInterface);
	if (_pInterface)
		_pInterface->acquire();
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( interface_type * pInterface, __sal_NoAcquire ) SAL_THROW( () )
{
	_pInterface = castToXInterface(pInterface);
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( interface_type * pInterface, UnoReference_NoAcquire ) SAL_THROW( () )
{
	_pInterface = castToXInterface(pInterface);
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( const BaseReference & rRef, UnoReference_Query ) SAL_THROW( (RuntimeException) )
{
	_pInterface = iquery( rRef.get() );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( XInterface * pInterface, UnoReference_Query ) SAL_THROW( (RuntimeException) )
{
	_pInterface = iquery( pInterface );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( const Any & rAny, UnoReference_Query ) SAL_THROW( (RuntimeException) )
{
    _pInterface = (typelib_TypeClass_INTERFACE == rAny.pType->eTypeClass
                   ? iquery( static_cast< XInterface * >( rAny.pReserved ) ) : 0);
}
#ifndef EXCEPTIONS_OFF
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( const BaseReference & rRef, UnoReference_QueryThrow ) SAL_THROW( (RuntimeException) )
{
	_pInterface = NULL;
	_pInterface = iquery_throw( rRef.get() );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( XInterface * pInterface, UnoReference_QueryThrow ) SAL_THROW( (RuntimeException) )
{
	_pInterface = NULL;
	_pInterface = iquery_throw( pInterface );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( const Any & rAny, UnoReference_QueryThrow ) SAL_THROW( (RuntimeException) )
{
    _pInterface = NULL;
    _pInterface = iquery_throw( typelib_TypeClass_INTERFACE == rAny.pType->eTypeClass
                                ? static_cast< XInterface * >( rAny.pReserved ) : 0 );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( const Reference< interface_type > & rRef, UnoReference_SetThrow ) SAL_THROW( (RuntimeException) )
{
    _pInterface = NULL;
    _pInterface = iset_throw( rRef.get() );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type >::Reference( interface_type * pInterface, UnoReference_SetThrow ) SAL_THROW( (RuntimeException) )
{
    _pInterface = NULL;
    _pInterface = iset_throw( pInterface );
}
#endif

//__________________________________________________________________________________________________
template< class interface_type >
inline void Reference< interface_type >::clear() SAL_THROW( () )
{
	if (_pInterface)
	{
        XInterface * const pOld = _pInterface;
		_pInterface = 0;
		pOld->release();
	}
}
//__________________________________________________________________________________________________
template< class interface_type >
inline sal_Bool Reference< interface_type >::set(
	interface_type * pInterface ) SAL_THROW( () )
{
	if (pInterface)
		castToXInterface(pInterface)->acquire();
    XInterface * const pOld = _pInterface;
	_pInterface = castToXInterface(pInterface);
	if (pOld)
		pOld->release();
	return (0 != pInterface);
}
//__________________________________________________________________________________________________
template< class interface_type >
inline sal_Bool Reference< interface_type >::set(
	interface_type * pInterface, __sal_NoAcquire ) SAL_THROW( () )
{
    XInterface * const pOld = _pInterface;
	_pInterface = castToXInterface(pInterface);
	if (pOld)
		pOld->release();
	return (0 != pInterface);
}
//__________________________________________________________________________________________________
template< class interface_type >
inline sal_Bool Reference< interface_type >::set(
	interface_type * pInterface, UnoReference_NoAcquire ) SAL_THROW( () )
{
	return set( pInterface, SAL_NO_ACQUIRE );
}

//__________________________________________________________________________________________________
template< class interface_type >
inline sal_Bool Reference< interface_type >::set(
	const Reference< interface_type > & rRef ) SAL_THROW( () )
{
	return set( castFromXInterface( rRef._pInterface ) );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline sal_Bool Reference< interface_type >::set(
	XInterface * pInterface, UnoReference_Query ) SAL_THROW( (RuntimeException) )
{
	return set( castFromXInterface(iquery( pInterface )), SAL_NO_ACQUIRE );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline sal_Bool Reference< interface_type >::set(
	const BaseReference & rRef, UnoReference_Query ) SAL_THROW( (RuntimeException) )
{
	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 ) : 0 )),
        SAL_NO_ACQUIRE );
}

#ifndef EXCEPTIONS_OFF
//__________________________________________________________________________________________________
template< class interface_type >
inline void Reference< interface_type >::set(
	XInterface * pInterface, UnoReference_QueryThrow ) SAL_THROW( (RuntimeException) )
{
	set( castFromXInterface(iquery_throw( pInterface )), SAL_NO_ACQUIRE );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline void Reference< interface_type >::set(
	const BaseReference & rRef, UnoReference_QueryThrow ) SAL_THROW( (RuntimeException) )
{
	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 ) : 0 )),
         SAL_NO_ACQUIRE );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline void Reference< interface_type >::set(
	interface_type * pInterface, UnoReference_SetThrow ) SAL_THROW( (RuntimeException) )
{
    set( iset_throw( pInterface ), SAL_NO_ACQUIRE );
}
//__________________________________________________________________________________________________
template< class interface_type >
inline void Reference< interface_type >::set(
	const Reference< interface_type > & rRef, UnoReference_SetThrow ) SAL_THROW( (RuntimeException) )
{
    set( rRef.get(), UNO_SET_THROW );
}

#endif

//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type > & Reference< interface_type >::operator = (
	interface_type * pInterface ) SAL_THROW( () )
{
	set( pInterface );
	return *this;
}
//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type > & Reference< interface_type >::operator = (
	const Reference< interface_type > & rRef ) SAL_THROW( () )
{
	set( castFromXInterface( rRef._pInterface ) );
	return *this;
}

//__________________________________________________________________________________________________
template< class interface_type >
inline Reference< interface_type > Reference< interface_type >::query(
	const BaseReference & rRef ) SAL_THROW( (RuntimeException) )
{
	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 ) SAL_THROW( (RuntimeException) )
{
	return Reference< interface_type >(
        castFromXInterface(iquery( pInterface )), SAL_NO_ACQUIRE );
}

//##################################################################################################

//__________________________________________________________________________________________________
inline sal_Bool BaseReference::operator == ( XInterface * pInterface ) const SAL_THROW( () )
{
	if (_pInterface == pInterface)
		return sal_True;
#ifndef EXCEPTIONS_OFF
    try
    {
#endif
        // 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);
#ifndef EXCEPTIONS_OFF
    }
    catch (RuntimeException &)
    {
        return sal_False;
    }
#endif
}

//______________________________________________________________________________
inline sal_Bool BaseReference::operator < (
    const BaseReference & rRef ) const SAL_THROW( () )
{
    if (_pInterface == rRef._pInterface)
        return sal_False;
#if ! defined EXCEPTIONS_OFF
    try
    {
#endif
        // 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);
#if ! defined EXCEPTIONS_OFF
    }
    catch (RuntimeException &)
    {
        return sal_False;
    }
#endif
}

//__________________________________________________________________________________________________
inline sal_Bool BaseReference::operator != ( XInterface * pInterface ) const SAL_THROW( () )
{
	return (! operator == ( pInterface ));
}
//__________________________________________________________________________________________________
inline sal_Bool BaseReference::operator == ( const BaseReference & rRef ) const SAL_THROW( () )
{
	return operator == ( rRef._pInterface );
}
//__________________________________________________________________________________________________
inline sal_Bool BaseReference::operator != ( const BaseReference & rRef ) const SAL_THROW( () )
{
	return (! operator == ( rRef._pInterface ));
}

}
}
}
}

#endif