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/*=========================================================================
Program: Visualization Toolkit
Module: PyVTKNamespace.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*-----------------------------------------------------------------------
The PyVTKNamespace was created in Nov 2014 by David Gobbi.
This is a PyModule subclass for wrapping C++ namespaces.
-----------------------------------------------------------------------*/
#include "PyVTKNamespace.h"
#include "vtkPythonUtil.h"
// Silence warning like
// "dereferencing type-punned pointer will break strict-aliasing rules"
// it happens because this kind of expression: (long *)&ptr
#if defined(__GNUC__)
#pragma GCC diagnostic ignored "-Wstrict-aliasing"
#endif
//--------------------------------------------------------------------
static const char *PyVTKNamespace_Doc =
"A python module that wraps a C++ namespace.\n";
//--------------------------------------------------------------------
static void PyVTKNamespace_Delete(PyObject *op)
{
// remove from the map so that there is no dangling reference
vtkPythonUtil::RemoveNamespaceFromMap(op);
// call the superclass destructor
PyVTKNamespace_Type.tp_base->tp_dealloc(op);
}
//--------------------------------------------------------------------
PyTypeObject PyVTKNamespace_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
"vtkCommonCorePython.namespace", // tp_name
0, // tp_basicsize
0, // tp_itemsize
PyVTKNamespace_Delete, // tp_dealloc
0, // tp_print
0, // tp_getattr
0, // tp_setattr
0, // tp_compare
0, // tp_repr
0, // tp_as_number
0, // tp_as_sequence
0, // tp_as_mapping
0, // tp_hash
0, // tp_call
0, // tp_string
0, // tp_getattro
0, // tp_setattro
0, // tp_as_buffer
Py_TPFLAGS_DEFAULT, // tp_flags
PyVTKNamespace_Doc, // tp_doc
0, // tp_traverse
0, // tp_clear
0, // tp_richcompare
0, // tp_weaklistoffset
0, // tp_iter
0, // tp_iternext
0, // tp_methods
0, // tp_members
0, // tp_getset
&PyModule_Type, // tp_base
0, // tp_dict
0, // tp_descr_get
0, // tp_descr_set
0, // tp_dictoffset
0, // tp_init
0, // tp_alloc
0, // tp_new
0, // tp_free
0, // tp_is_gc
0, // tp_bases
0, // tp_mro
0, // tp_cache
0, // tp_subclasses
0, // tp_weaklist
VTK_WRAP_PYTHON_SUPPRESS_UNINITIALIZED
};
//--------------------------------------------------------------------
PyObject *PyVTKNamespace_New(const char *name)
{
// first check to see if this namespace exists
PyObject *self = vtkPythonUtil::FindNamespace(name);
if (self)
{
Py_INCREF(self);
}
else
{
// make sure python has readied the type object
PyType_Ready(&PyVTKNamespace_Type);
// call the allocator provided by python for this type
self = PyVTKNamespace_Type.tp_alloc(&PyVTKNamespace_Type, 0);
// call the superclass init function
PyObject *args = PyTuple_New(1);
PyTuple_SET_ITEM(args, 0, PyString_FromString(name));
PyVTKNamespace_Type.tp_base->tp_init(self, args, 0);
Py_DECREF(args);
// remember the object for later reference
vtkPythonUtil::AddNamespaceToMap(self);
}
return self;
}
//--------------------------------------------------------------------
PyObject *PyVTKNamespace_GetDict(PyObject *self)
{
return PyModule_GetDict(self);
}
//--------------------------------------------------------------------
const char *PyVTKNamespace_GetName(PyObject *self)
{
return PyModule_GetName(self);
}
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