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0024023: Revamp the OCCT Handle -- handle

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Macro defining Handle class is replaced by template class implementing the same concept (defined in Standard_Handle.hxx and Standard_Transient.hxx), opencascade::handle<>.

Header file Standard_DefineHandle.hxx becomes deprecated: the only useful macro DEFINE_STANDARD_RTTI is defined now in Standard_Type.hxx. Standard_DefineHandle.hxx is kept for compatibility, it defines macros previously used for definition of Handles and RTTI as empty. Macro DEFINE_STANDARD_HANDLE(C1,C2) is also kept for compatibility; now it expands to typedef "Handle_C1" to corresponding handle class.

Definitions of macro Handle() and STANDARD_TYPE() moved from Standard_Macro.hxx to Standard_Handle.hxx (new file) and Standard_Type.hxx, respectively.

New template class NCollection_Shared added, allowing to define sub-class manipulated by handle, for any non-transient class.

Adaptations for compiling with GCC 4.7
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abv
2015-07-01 11:00:57 +03:00
parent e35db4162b
commit e7195ab476
23 changed files with 524 additions and 754 deletions
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38
src/Standard/Standard_Persistent.hxx Normal file
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// 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 License 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_Persistent_HeaderFile
#define _Standard_Persistent_HeaderFile
#include <Standard_Type.hxx>
//! Root of "persistent" classes, a legacy support of
//! object oriented databases, now outdated.
class Standard_Persistent : public Standard_Transient
{
public:
DEFINE_STANDARD_ALLOC
Standard_Persistent() : _typenum(0), _refnum(0) {}
DEFINE_STANDARD_RTTI(Standard_Persistent,Standard_Transient)
private:
Standard_Integer _typenum;
Standard_Integer _refnum;
friend class Storage_Schema;
};
#endif // _Standard_Persistent_HeaderFile