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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: object.hxx,v $
* $Revision: 1.6 $
*
* 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 _VOS_OBJECT_HXX_
#define _VOS_OBJECT_HXX_
# include <vos/types.hxx>
# include <vos/macros.hxx>
namespace vos
{
// ***************************************
// Object super class
struct OClassInfo;
struct OCreateParam;
/** OObject
common base class for all framework classes. Used for memory-management
and runtime type-info.
*/
class OObject
{
public:
///
OObject();
///
OObject(const OCreateParam& rParam);
// Disable the copy constructor and assignment by default so you will get
// compiler errors instead of unexpected behaviour if you pass objects
// by value or assign objects.
private:
OObject(const OObject& objectSrc); // no implementation
void SAL_CALL operator=(const OObject& objectSrc); // no implementation
public:
virtual ~OObject();
public:
/** Define private new and delete operator because of compiler bug,
when allocating and deleteing a exported class
*/
void* SAL_CALL operator new(size_t size);
void* SAL_CALL operator new(size_t size, void* p);
void SAL_CALL operator delete(void* p);
// Attributes
public:
///
virtual const OClassInfo& SAL_CALL getClassInfo() const;
///
sal_Bool SAL_CALL isKindOf(const OClassInfo& rClass) const;
// Implementation
public:
static const OClassInfo& SAL_CALL classInfo();
public:
static OClassInfo __ClassInfo__;
};
/**
Basic class information
*/
struct OCreateParam
{
sal_uInt32 m_Size;
void* m_pParam;
///
OCreateParam(void *pParam)
{
m_Size = sizeof(OCreateParam);
m_pParam = pParam;
}
};
/**
*/
struct OClassInfo
{
///
const sal_Char *m_pClassName;
///
sal_Int32 m_nObjectSize;
/// schema number of the loaded class
sal_uInt32 m_wSchema;
///
OObject* (SAL_CALL * m_pfnCreateObject)(const OCreateParam&); // NULL => abstract class
/// linked list of registered classes
const OClassInfo* m_pBaseClass;
/// linked list of registered classes
const OClassInfo* m_pNextClass;
///
OObject* SAL_CALL createObject(const OCreateParam& rParam) const;
///
sal_Bool SAL_CALL isDerivedFrom(const OClassInfo& rBaseClass) const;
///
static const OClassInfo* SAL_CALL getClassInfo(const sal_Char* pClassName);
///
OClassInfo(const sal_Char *pClassName, sal_Int32 ObjectSize,
const OClassInfo* pBaseClass = NULL, sal_uInt32 Schema = (sal_uInt32)-1,
OObject* (SAL_CALL * fnCreateObject)(const OCreateParam&) = NULL);
};
// *****************************************************************
// Helper macros for declaring OClassInfo data
#define VOS_STRINGIZE(name) #name
#define VOS_CLASSNAME(class_name, domain_name) VOS_STRINGIZE(domain_name.class_name)
#define VOS_CLASSINFO(class_name) (class_name::classInfo())
// generate static object constructor for class registration
struct VOS_CLASSINIT
{ VOS_CLASSINIT(VOS_NAMESPACE(OClassInfo, vos)* pNewClass); };
#define VOS_CLASSDATA(class_spec, class_name, base_class_name, wSchema, constructor) \
VOS_NAMESPACE(OClassInfo, vos) class_name::__ClassInfo__(class_spec, \
sizeof(class_name), &VOS_CLASSINFO(base_class_name), wSchema, constructor); \
const VOS_NAMESPACE(VOS_CLASSINIT, vos) class_name::__ClassInit__(&class_name::__ClassInfo__); \
const VOS_NAMESPACE(OClassInfo, vos)& SAL_CALL class_name::getClassInfo() const \
{ return (VOS_CLASSINFO(class_name)); } \
const VOS_NAMESPACE(OClassInfo, vos)& SAL_CALL class_name::classInfo() \
{ return (__ClassInfo__); }
#define VOS_DECLARE_CLASSINFO(class_name) \
public: \
static const VOS_NAMESPACE(VOS_CLASSINIT, vos) __ClassInit__; \
static VOS_NAMESPACE(OClassInfo, vos) __ClassInfo__; \
public: \
virtual const VOS_NAMESPACE(OClassInfo, vos)& SAL_CALL getClassInfo() const; \
static const VOS_NAMESPACE(OClassInfo, vos)& SAL_CALL classInfo()
#define VOS_IMPLEMENT_CLASSINFO(class_spec, class_name, base_class_name, wSchema) \
VOS_CLASSDATA(class_spec, class_name, base_class_name, wSchema, NULL)
#define VOS_DECLARE_CLASSTYPE(class_name) \
VOS_DECLARE_CLASSINFO(class_name); \
public: \
static VOS_NAMESPACE(OObject, vos)* SAL_CALL createObject(const VOS_NAMESPACE(OCreateParam, vos)& rParam);
#define VOS_IMPLEMENT_CLASSTYPE(class_spec, class_name, base_class_name, wSchema) \
VOS_CLASSDATA(class_spec, class_name, base_class_name, wSchema, class_name::createObject) \
VOS_NAMESPACE(OObject, vos)* class_name::createObject(const VOS_NAMESPACE(OCreateParam, vos)& rParam) \
{ return new class_name(rParam); }
}
#endif // _VOS_OBJECT_HXX_
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