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/* -*- 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 .
*/
#ifndef _RTTI_HXX
#define _RTTI_HXX
#include <string.h>
#include <tools/solar.h>
typedef void* (*TypeId)();
#define TYPEINFO() \
static void* CreateType(); \
static TypeId StaticType(); \
static sal_Bool IsOf( TypeId aSameOrSuperType ); \
virtual TypeId Type() const; \
virtual sal_Bool IsA( TypeId aSameOrSuperType ) const
#define TYPEINFO_VISIBILITY(visibility) \
visibility static void* CreateType(); \
visibility static TypeId StaticType(); \
visibility static sal_Bool IsOf( TypeId aSameOrSuperType ); \
visibility virtual TypeId Type() const; \
visibility virtual sal_Bool IsA( TypeId aSameOrSuperType ) const
#define TYPEINIT_FACTORY(sType, Factory ) \
void* sType::CreateType() { return Factory; } \
TypeId sType::StaticType() { return &CreateType; } \
TypeId sType::Type() const { return &CreateType; } \
sal_Bool sType::IsOf( TypeId aSameOrSuperType ) \
{ \
if ( aSameOrSuperType == StaticType() ) \
return sal_True
#define STATICTYPE(sType) (sType::StaticType())
#define SUPERTYPE(sSuper) \
if ( sSuper::IsOf(aSameOrSuperType ) ) \
return sal_True
#define TYPEINIT_END(sType) \
return sal_False; \
} \
sal_Bool sType::IsA( TypeId aSameOrSuperType ) const \
{ return IsOf( aSameOrSuperType ); }
#define TYPEINIT0_FACTORY(sType, Factory) \
TYPEINIT_FACTORY(sType, Factory); \
TYPEINIT_END(sType)
#define TYPEINIT0_AUTOFACTORY(sType) TYPEINIT0_FACTORY(sType, new sType)
#define TYPEINIT0(sType) TYPEINIT0_FACTORY(sType, 0)
#define TYPEINIT1_FACTORY(sType, sSuper, Factory) \
TYPEINIT_FACTORY(sType, Factory); \
SUPERTYPE(sSuper); \
TYPEINIT_END(sType)
#define TYPEINIT1_AUTOFACTORY(sType, sSuper) \
TYPEINIT1_FACTORY(sType, sSuper, new sType)
#define TYPEINIT1(sType, sSuper) \
TYPEINIT1_FACTORY(sType, sSuper, 0)
#define TYPEINIT2_FACTORY(sType, sSuper1, sSuper2, Factory) \
TYPEINIT_FACTORY(sType, Factory); \
SUPERTYPE(sSuper1); \
SUPERTYPE(sSuper2); \
TYPEINIT_END(sType)
#define TYPEINIT2_AUTOFACTORY(sType, sSuper1, sSuper2) \
TYPEINIT2_FACTORY(sType, sSuper1, sSuper2, new sType)
#define TYPEINIT2(sType, sSuper1, sSuper2) \
TYPEINIT2_FACTORY(sType, sSuper1, sSuper2, 0)
#define TYPEINIT3_FACTORY(sType, sSuper1, sSuper2, sSuper3, Factory) \
TYPEINIT_FACTORY(sType, Factory); \
SUPERTYPE(sSuper1); \
SUPERTYPE(sSuper2); \
SUPERTYPE(sSuper3); \
TYPEINIT_END(sType)
#define TYPEINIT3(sType, sSuper1, sSuper2, sSuper3) \
TYPEINIT3_FACTORY(sType, sSuper1, sSuper2, sSuper3, 0)
#define TYPE(sType) (sType::StaticType())
#define ISA(sType) IsA(sType::StaticType())
#define ISOF(sType) IsOf(sType::StaticType())
#define CREATE(TypeId) (TypeId())
/** Exemplary application macros for pointers
(can be extended for use with references)
PTR_CAST: Safe pointer casting to a derived class.
Returns NULL pointer on cast error
T: Target type to cast into
p: Pointer to be cast into T
*/
#define PTR_CAST( T, pObj ) \
( pObj && (pObj)->IsA( TYPE(T) ) ? (T*)(pObj) : 0 )
/** Check whether object pObj has a Base Class T
(or if pObj is an instance of T) */
#define HAS_BASE( T, pObj ) \
( pObj && (pObj)->IsA( TYPE(T) ) )
/** Check whether a pointer is targetting and object of type T. */
#define IS_TYPE(T,pObj) \
( pObj && (pObj)->Type() == TYPE(T) )
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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