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Diffstat (limited to 'libshiboken/basewrapper.h')
-rw-r--r-- | libshiboken/basewrapper.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/libshiboken/basewrapper.h b/libshiboken/basewrapper.h new file mode 100644 index 000000000..201851cc6 --- /dev/null +++ b/libshiboken/basewrapper.h @@ -0,0 +1,92 @@ +/* + * This file is part of the Shiboken Python Binding Generator project. + * + * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). + * + * Contact: PySide team <contact@pyside.org> + * + * This program 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. Please + * review the following information to ensure the GNU Lesser General + * Public License version 2.1 requirements will be met: + * http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. + * + * As a special exception to the GNU Lesser General Public License + * version 2.1, the object code form of a "work that uses the Library" + * may incorporate material from a header file that is part of the + * Library. You may distribute such object code under terms of your + * choice, provided that the incorporated material (i) does not exceed + * more than 5% of the total size of the Library; and (ii) is limited to + * numerical parameters, data structure layouts, accessors, macros, + * inline functions and templates. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef BASEWRAPPER_H +#define BASEWRAPPER_H + +#include <Python.h> + +namespace Shiboken +{ + +extern "C" +{ + +struct PyBaseWrapper +{ + PyObject_HEAD + PyTypeObject* baseWrapperType; + void* cptr; + uint hasOwnership : 1; + uint validCppObject : 1; +}; + +} // extern "C" + +#define PyBaseWrapper_Check(op) PyObject_TypeCheck(op, &PyBaseWrapper_Type) +#define PyBaseWrapper_CheckExact(op) ((op)->ob_type == &PyBaseWrapper_Type) + +#define PyBaseWrapper_cptr(pyobj) (((Shiboken::PyBaseWrapper*)pyobj)->cptr) +#define PyBaseWrapper_setCptr(pyobj,c) (((Shiboken::PyBaseWrapper*)pyobj)->cptr = c) +#define PyBaseWrapper_hasOwnership(pyobj) (((Shiboken::PyBaseWrapper*)pyobj)->hasOwnership) +#define PyBaseWrapper_setOwnership(pyobj,o) (((Shiboken::PyBaseWrapper*)pyobj)->hasOwnership = o) +#define PyBaseWrapper_validCppObject(pyobj) (((Shiboken::PyBaseWrapper*)pyobj)->validCppObject) +#define PyBaseWrapper_setValidCppObject(pyobj,v) (((Shiboken::PyBaseWrapper*)pyobj)->validCppObject = v) + +PyAPI_FUNC(PyObject*) +PyBaseWrapper_New(PyTypeObject *instanceType, PyTypeObject *baseWrapperType, + void *cptr, uint hasOwnership = 1); + +inline bool +cppObjectIsValid(PyBaseWrapper* self) +{ + if (self->validCppObject) + return true; + PyErr_SetString(PyExc_RuntimeError, "internal C++ object already deleted."); + return false; +} + +template <typename T> +PyAPI_FUNC(void) +PyBaseWrapper_Dealloc(PyObject* self) +{ + if (PyBaseWrapper_hasOwnership(self)) { + delete ((T*)PyBaseWrapper_cptr(self)); + } + Py_TYPE(((PyBaseWrapper*)self))->tp_free((PyObject*)self); +} + +} // namespace Shiboken + +#endif // BASEWRAPPER_H |