90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
/***************************************************************************
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* Copyright (c) 2020 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef PY_SMARTPTRPY_H
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#define PY_SMARTPTRPY_H
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#include <FCGlobal.h>
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// forward declarations
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using PyObject = struct _object;
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namespace Py {
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class Object;
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/**
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* \brief This is a stripped-down version of Py::Object.
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* The purpose of this class is to avoid to include any other header file
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* and therefore the PyObject is forward declared and the implementation
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* is separated from the class declaration.
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*
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* \author Werner Mayer
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*/
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class BaseExport SmartPtr
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{
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private:
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PyObject *p;
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protected:
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void set(PyObject *pyob, bool owned = false);
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void release();
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public:
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SmartPtr();
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// Constructor acquires new ownership of pointer unless explicitly told not to.
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explicit SmartPtr(PyObject *pyob, bool owned = false);
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// Copy constructor acquires new ownership of pointer
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SmartPtr(const SmartPtr &ob);
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// Assignment acquires new ownership of pointer
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SmartPtr &operator=( const SmartPtr &rhs );
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SmartPtr &operator=( const Object &rhs );
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SmartPtr &operator=(PyObject *rhsp);
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// Destructor
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virtual ~SmartPtr();
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// Loaning the pointer to others, retain ownership
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PyObject *operator*() const;
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// Would like to call this pointer() but messes up STL in SeqBase<T>
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PyObject *ptr() const;
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//
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// Queries
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//
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bool is(PyObject *pother) const;
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bool is(const SmartPtr &other) const;
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bool isNull() const;
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};
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BaseExport PyObject* new_reference_to(const SmartPtr&);
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}
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#endif // PY_SMARTPTRPY_H
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