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137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
// Copyright (c) 1998-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Standard_DefineHandle_HeaderFile
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#define _Standard_DefineHandle_HeaderFile
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#include <Standard_Macro.hxx>
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class Standard_Transient;
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class Standard_Persistent;
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class Handle_Standard_Type;
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// COMMON
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//
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#define IMPLEMENT_DOWNCAST(C1,BC) \
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Handle(C1) Handle(C1)::DownCast(const Handle(BC)& AnObject) \
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{ \
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Handle(C1) _anOtherObject; \
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\
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if (!AnObject.IsNull()) { \
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if (AnObject->IsKind(STANDARD_TYPE(C1))) { \
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_anOtherObject = Handle(C1)((Handle(C1)&)AnObject); \
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} \
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} \
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\
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return _anOtherObject ; \
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}
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#define DEFINE_STANDARD_HANDLECLASS(C1,C2,BC) \
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class C1; \
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Standard_EXPORT const Handle(Standard_Type)& STANDARD_TYPE(C1); \
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\
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class Handle(C1) : public Handle(C2) { \
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public: \
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typedef C1 element_type;\
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\
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Handle(C1)():Handle(C2)() {} \
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\
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Handle(C1)(const Handle(C1)& aHandle) : Handle(C2)(aHandle) {} \
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\
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Handle(C1)(const C1* anItem) : Handle(C2)((C2 *)anItem) {} \
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\
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Handle(C1)& operator=(const Handle(C1)& aHandle) \
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{ \
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Assign(aHandle.Access()); \
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return *this; \
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} \
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\
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Handle(C1)& operator=(const C1* anItem) \
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{ \
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Assign((BC *)anItem); \
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return *this; \
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} \
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\
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C1& operator*() const \
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{ \
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return *(C1 *)ControlAccess(); \
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} \
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\
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C1* operator->() const \
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{ \
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return (C1 *)ControlAccess(); \
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} \
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\
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Standard_EXPORT static Handle(C1) DownCast(const Handle(BC)& AnObject); \
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};
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// TRANSIENT
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//
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#define DEFINE_STANDARD_HANDLE(C1,C2) DEFINE_STANDARD_HANDLECLASS(C1,C2,Standard_Transient)
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#define IMPLEMENT_STANDARD_HANDLE(C1,C2) IMPLEMENT_DOWNCAST(C1,Standard_Transient)
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// PERSISTENT
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//
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#define DEFINE_STANDARD_PHANDLE(C1,C2) DEFINE_STANDARD_HANDLECLASS(C1,C2,Standard_Persistent)
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#define IMPLEMENT_STANDARD_PHANDLE(C1,C2) IMPLEMENT_DOWNCAST(C1,Standard_Persistent)
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// TYPE MANAGEMENT
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//
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#define DEFINE_STANDARD_RTTI(C1) \
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Standard_EXPORT virtual const Handle(Standard_Type)& DynamicType() const;
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#define IMPLEMENT_STANDARD_RTTI(C1) \
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const Handle(Standard_Type)& C1::DynamicType() const \
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{ \
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return STANDARD_TYPE(C1); \
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}
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#define IMPLEMENT_STANDARD_TYPE(C1) \
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static Handle(Standard_Type) aType##C1 = STANDARD_TYPE(C1); \
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\
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const Handle(Standard_Type)& STANDARD_TYPE(C1) \
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{
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#define IMPLEMENT_STANDARD_SUPERTYPE(Cn) /* Left to ensure source compatibility with Open CASCADE 6.3 and earlier */
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#define IMPLEMENT_STANDARD_SUPERTYPE_ARRAY() \
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static Handle(Standard_Transient) _Ancestors[]= {
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#define IMPLEMENT_STANDARD_SUPERTYPE_ARRAY_ENTRY(Cn) \
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STANDARD_TYPE(Cn),
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#define IMPLEMENT_STANDARD_SUPERTYPE_ARRAY_END() \
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NULL \
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};
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#define IMPLEMENT_STANDARD_TYPE_END(C1) \
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static Handle(Standard_Type) _aType = new Standard_Type(#C1,sizeof(C1),1, \
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(Standard_Address)_Ancestors, \
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(Standard_Address)NULL); \
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return _aType; \
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}
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#define IMPLEMENT_STANDARD_RTTIEXT(C1,C2) \
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IMPLEMENT_STANDARD_RTTI(C1) \
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IMPLEMENT_STANDARD_TYPE(C1) \
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IMPLEMENT_STANDARD_SUPERTYPE(C2) \
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IMPLEMENT_STANDARD_SUPERTYPE_ARRAY() \
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IMPLEMENT_STANDARD_SUPERTYPE_ARRAY_ENTRY(C2) \
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IMPLEMENT_STANDARD_SUPERTYPE_ARRAY_END() \
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IMPLEMENT_STANDARD_TYPE_END(C1)
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#endif
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