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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#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 BOOL IsOf( TypeId aSameOrSuperType ); \
virtual TypeId Type() const; \
virtual BOOL IsA( TypeId aSameOrSuperType ) const
#define TYPEINFO_VISIBILITY(visibility) \
visibility static void* CreateType(); \
visibility static TypeId StaticType(); \
visibility static BOOL IsOf( TypeId aSameOrSuperType ); \
visibility virtual TypeId Type() const; \
visibility virtual 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; } \
BOOL sType::IsOf( TypeId aSameOrSuperType ) \
{ \
if ( aSameOrSuperType == StaticType() ) \
return TRUE
#define STATICTYPE(sType) (sType::StaticType())
//-------------------------------------------------------------------------
#define TYPEINIT_AUTOFACTORY(sType) TYPEINIT_FACTORY(sType, new sType)
#define TYPEINIT(sType) TYPEINIT_FACTORY(sType, 0)
#define SUPERTYPE(sSuper) \
if ( sSuper::IsOf(aSameOrSuperType ) ) \
return TRUE
#define TYPEINIT_END(sType) \
return FALSE; \
} \
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_AUTOFACTORY(sType, sSuper1, sSuper2, sSuper3) \
TYPEINIT3_FACTORY(sType, sSuper1, sSuper2, sSuper3, new 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())
//-------------------------------------------------------------------------
// On-Demand-faehige persistent-TypeId Version
#define TYPEINFO_ID(id) \
static TypeId StaticType() { return (TypeId) ( id | 0xF000000L ); } \
static BOOL IsOf( TypeId aSameOrSuperType ); \
virtual TypeId Type() const; \
virtual BOOL IsA( TypeId aSameOrSuperType ) const
#define TYPEINIT_ID(sType) \
TypeId sType::Type() const { return StaticType(); } \
BOOL sType::IsOf( TypeId aSameOrSuperType ) \
{ \
if ( aSameOrSuperType == StaticType() ) \
return TRUE
#define TYPEINIT0_ID(sType) \
TYPEINIT_ID(sType); \
TYPEINIT_END(sType)
#define TYPEINIT1_ID(sType, sSuper) \
TYPEINIT_ID(sType); \
SUPERTYPE(sSuper); \
TYPEINIT_END(sType)
#define TYPEINIT2_ID(sType, sSuper1, sSuper2) \
TYPEINIT_ID(sType); \
SUPERTYPE(sSuper1); \
SUPERTYPE(sSuper2); \
TYPEINIT_END(sType)
//-------------------------------------------------------------------------
// Die (exemplarischen) Makros fuer die Anwendung ( hier fuer
// Pointer, kann aber nach dem gleichen Strickmuster fuer
// Referenzen erweitert werden.
// PTR_CAST: sicheres Casten eines Pointers auf einen Pointer
// einer abgeleiteten Klasse. Liefert im Fehlerfall einen
// Nullpointer (wahrscheinlich die haeufigste Anwendung)
//
// T: Typ, auf den gecastet werden soll
// p: Pointer, der gecastet werden soll
#define PTR_CAST( T, pObj ) \
( pObj && (pObj)->IsA( TYPE(T) ) ? (T*)(pObj) : 0 )
// Abfrage, ob ein Objekt eine bestimmte Klasse als
// Basisklasse hat (oder genau von dieser Klasse ist)
#define HAS_BASE( T, pObj ) \
( pObj && (pObj)->IsA( TYPE(T) ) )
// Abfrage, ob ein Pointer auf ein Objekt eines bestimmten
// Typs zeigt
#define IS_TYPE(T,pObj) \
( pObj && (pObj)->Type() == TYPE(T) )
#endif // _RTTI_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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