mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-06-20 11:54:07 +03:00
973c2be1e1
The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
95 lines
3.3 KiB
C++
95 lines
3.3 KiB
C++
// Copyright (c) 1998-1999 Matra Datavision
|
|
// Copyright (c) 1999-2014 OPEN CASCADE SAS
|
|
//
|
|
// This file is part of Open CASCADE Technology software library.
|
|
//
|
|
// This library is free software; you can redistribute it and / or modify it
|
|
// under the terms of the GNU Lesser General Public version 2.1 as published
|
|
// by the Free Software Foundation, with special exception defined in the file
|
|
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
|
|
// distribution for complete text of the license and disclaimer of any warranty.
|
|
//
|
|
// Alternatively, this file may be used under the terms of Open CASCADE
|
|
// commercial license or contractual agreement.
|
|
|
|
#ifndef _Standard_Transient_proto_HeaderFile
|
|
#define _Standard_Transient_proto_HeaderFile
|
|
|
|
#ifndef _Standard_DefineAlloc_HeaderFile
|
|
#include <Standard_DefineAlloc.hxx>
|
|
#endif
|
|
#ifndef _Standard_Macro_HeaderFile
|
|
#include <Standard_Macro.hxx>
|
|
#endif
|
|
#ifndef _Standard_HeaderFile
|
|
#include <Standard.hxx>
|
|
#endif
|
|
|
|
class Handle_Standard_Transient;
|
|
class Standard_Type;
|
|
class Handle_Standard_Type;
|
|
|
|
//! Abstract class which forms the root of the entire
|
|
//! Transient class hierarchy.
|
|
|
|
class Standard_Transient
|
|
{
|
|
//---- uses the friend Standard_Transient class
|
|
friend class Handle(Standard_Transient);
|
|
|
|
public:
|
|
|
|
DEFINE_STANDARD_ALLOC
|
|
|
|
//! Empty constructor
|
|
Standard_Transient() : count(0) {}
|
|
|
|
//! Copy constructor -- does nothing
|
|
Standard_Transient(const Standard_Transient&) : count(0) {}
|
|
|
|
//! Assignment operator, needed to avoid copying reference counter
|
|
Standard_Transient& operator= (const Standard_Transient&) { return *this; }
|
|
|
|
//! Destructor must be virtual
|
|
Standard_EXPORT virtual ~Standard_Transient();
|
|
|
|
//! Memory deallocator for transient classes
|
|
Standard_EXPORT virtual void Delete() const;
|
|
|
|
Standard_EXPORT virtual void ShallowDump(Standard_OStream& ) const;
|
|
|
|
//! Returns a type information object about this object.
|
|
Standard_EXPORT virtual const Handle_Standard_Type& DynamicType() const;
|
|
|
|
//! Returns a true value if this is an instance of Type.
|
|
Standard_EXPORT Standard_Boolean IsInstance(const Handle_Standard_Type& theType) const;
|
|
|
|
//! Returns a true value if this is an instance of TypeName.
|
|
Standard_EXPORT Standard_Boolean IsInstance(const Standard_CString theTypeName) const;
|
|
|
|
//! Returns true if this is an instance of Type or an
|
|
//! instance of any class that inherits from Type.
|
|
//! Note that multiple inheritance is not supported by OCCT RTTI mechanism.
|
|
Standard_EXPORT Standard_Boolean IsKind(const Handle_Standard_Type& theType) const;
|
|
|
|
//! Returns true if this is an instance of TypeName or an
|
|
//! instance of any class that inherits from TypeName.
|
|
//! Note that multiple inheritance is not supported by OCCT RTTI mechanism.
|
|
Standard_EXPORT Standard_Boolean IsKind(const Standard_CString theTypeName) const;
|
|
|
|
//! Returns a Handle which references this object.
|
|
//! Must never be called to objects created in stack.
|
|
Standard_EXPORT virtual Handle_Standard_Transient This() const;
|
|
|
|
//! Get the reference counter of this object.
|
|
Standard_EXPORT Standard_Integer GetRefCount() const { return count; }
|
|
|
|
private:
|
|
|
|
volatile Standard_Integer count;
|
|
};
|
|
|
|
Standard_EXPORT const Handle(Standard_Type)& STANDARD_TYPE(Standard_Transient);
|
|
|
|
#endif
|