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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of PySide2.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef BINDINGMANAGER_H
#define BINDINGMANAGER_H
#include "sbkpython.h"
#include <set>
#include "shibokenmacros.h"
struct SbkObject;
struct SbkObjectType;
namespace Shiboken
{
typedef void (*ObjectVisitor)(SbkObject*, void*);
class LIBSHIBOKEN_API BindingManager
{
public:
static BindingManager& instance();
bool hasWrapper(const void *cptr);
void registerWrapper(SbkObject* pyObj, void* cptr);
void releaseWrapper(SbkObject* wrapper);
SbkObject* retrieveWrapper(const void* cptr);
PyObject* getOverride(const void* cptr, const char* methodName);
void addClassInheritance(SbkObjectType* parent, SbkObjectType* child);
/**
* \deprecated Use \fn resolveType(void**, SbkObjectType*), this version is broken when used with multiple inheritance
* because the \p cptr pointer of the discovered type may be different of the given \p cptr in case
* of multiple inheritance
*/
SBK_DEPRECATED(SbkObjectType* resolveType(void* cptr, SbkObjectType* type));
/**
* Try to find the correct type of *cptr knowing that it's at least of type \p type.
* In case of multiple inheritance this function may change the contents of cptr.
* \param cptr a pointer to a pointer to the instance of type \p type
* \param type type of *cptr
* \warning This function is slow, use it only as last resort.
*/
SbkObjectType* resolveType(void** cptr, SbkObjectType* type);
std::set<PyObject*> getAllPyObjects();
/**
* Calls the function \p visitor for each object registered on binding manager.
* \note As various C++ pointers can point to the same PyObject due to multiple inheritance
* a PyObject can be called more than one time for each PyObject.
* \param visitor function called for each object.
* \param data user data passed as second argument to the visitor function.
*/
void visitAllPyObjects(ObjectVisitor visitor, void* data);
private:
~BindingManager();
// disable copy
BindingManager();
BindingManager(const BindingManager&);
BindingManager& operator=(const BindingManager&);
struct BindingManagerPrivate;
BindingManagerPrivate* m_d;
};
} // namespace Shiboken
#endif // BINDINGMANAGER_H
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