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Diffstat (limited to 'sources/shiboken6/libshiboken/bindingmanager.h')
-rw-r--r-- | sources/shiboken6/libshiboken/bindingmanager.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/sources/shiboken6/libshiboken/bindingmanager.h b/sources/shiboken6/libshiboken/bindingmanager.h new file mode 100644 index 000000000..5b2246685 --- /dev/null +++ b/sources/shiboken6/libshiboken/bindingmanager.h @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt for Python. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 +{ + +struct DestructorEntry; + +typedef void (*ObjectVisitor)(SbkObject *, void *); + +class LIBSHIBOKEN_API BindingManager +{ +public: + BindingManager(const BindingManager &) = delete; + BindingManager(BindingManager &&) = delete; + BindingManager &operator=(const BindingManager &) = delete; + BindingManager &operator=(BindingManager &&) = delete; + + static BindingManager &instance(); + + bool hasWrapper(const void *cptr); + + void registerWrapper(SbkObject *pyObj, void *cptr); + void releaseWrapper(SbkObject *wrapper); + + void runDeletionInMainThread(); + void addToDeletionInMainThread(const DestructorEntry &); + + SbkObject *retrieveWrapper(const void *cptr); + PyObject *getOverride(const void *cptr, PyObject *nameCache[], const char *methodName); + + void addClassInheritance(SbkObjectType *parent, SbkObjectType *child); + /** + * 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(); + BindingManager(); + + struct BindingManagerPrivate; + BindingManagerPrivate *m_d; +}; + +} // namespace Shiboken + +#endif // BINDINGMANAGER_H + |