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/**
* $Id: PyObjectPlus.cpp,v 1.10 2006/01/30 20:33:58 erwin Exp $
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifndef NO_EXP_PYTHON_EMBEDDING
/*------------------------------
* PyObjectPlus cpp
*
* C++ library routines for Crawl 3.2
*
* Derived from work by
* David Redish
* graduate student
* Computer Science Department
* Carnegie Mellon University (CMU)
* Center for the Neural Basis of Cognition (CNBC)
* http://www.python.org/doc/PyCPP.html
*
------------------------------*/
#include <MT_assert.h>
#include "stdlib.h"
#include "PyObjectPlus.h"
#include "STR_String.h"
/*------------------------------
* PyObjectPlus Type -- Every class, even the abstract one should have a Type
------------------------------*/
PyTypeObject PyObjectPlus::Type = {
PyObject_HEAD_INIT(&PyType_Type)
0, /*ob_size*/
"PyObjectPlus", /*tp_name*/
sizeof(PyObjectPlus), /*tp_basicsize*/
0, /*tp_itemsize*/
/* methods */
PyDestructor, /*tp_dealloc*/
0, /*tp_print*/
__getattr, /*tp_getattr*/
__setattr, /*tp_setattr*/
0, /*tp_compare*/
__repr, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash*/
0, /*tp_call */
};
PyObjectPlus::~PyObjectPlus()
{
if (ob_refcnt)
{
_Py_ForgetReference(this);
}
// assert(ob_refcnt==0);
}
PyObjectPlus::PyObjectPlus(PyTypeObject *T) // constructor
{
MT_assert(T != NULL);
this->ob_type = T;
_Py_NewReference(this);
};
/*------------------------------
* PyObjectPlus Methods -- Every class, even the abstract one should have a Methods
------------------------------*/
PyMethodDef PyObjectPlus::Methods[] = {
{"isA", (PyCFunction) sPy_isA, Py_NEWARGS},
{NULL, NULL} /* Sentinel */
};
/*------------------------------
* PyObjectPlus Parents -- Every class, even the abstract one should have parents
------------------------------*/
PyParentObject PyObjectPlus::Parents[] = {&PyObjectPlus::Type, NULL};
/*------------------------------
* PyObjectPlus attributes -- attributes
------------------------------*/
PyObject *PyObjectPlus::_getattr(const STR_String& attr)
{
if (attr == "__doc__" && GetType()->tp_doc)
return PyString_FromString(GetType()->tp_doc);
//if (streq(attr, "type"))
// return Py_BuildValue("s", (*(GetParents()))->tp_name);
return Py_FindMethod(Methods, this, const_cast<char *>(attr.ReadPtr()));
}
int PyObjectPlus::_delattr(const STR_String& attr)
{
return 1;
}
int PyObjectPlus::_setattr(const STR_String& attr, PyObject *value)
{
//return PyObject::_setattr(attr,value);
//cerr << "Unknown attribute" << endl;
return 1;
}
/*------------------------------
* PyObjectPlus repr -- representations
------------------------------*/
PyObject *PyObjectPlus::_repr(void)
{
Py_Error(PyExc_SystemError, "Representation not overridden by object.");
}
/*------------------------------
* PyObjectPlus isA -- the isA functions
------------------------------*/
bool PyObjectPlus::isA(PyTypeObject *T) // if called with a Type, use "typename"
{
return isA(T->tp_name);
}
bool PyObjectPlus::isA(const char *mytypename) // check typename of each parent
{
int i;
PyParentObject P;
PyParentObject *Ps = GetParents();
for (P = Ps[i=0]; P != NULL; P = Ps[i++])
{
if (STR_String(P->tp_name) == STR_String(mytypename) )
return true;
}
return false;
}
PyObject *PyObjectPlus::Py_isA(PyObject *args) // Python wrapper for isA
{
char *mytypename;
Py_Try(PyArg_ParseTuple(args, "s", &mytypename));
if(isA(mytypename))
{Py_INCREF(Py_True); return Py_True;}
else
{Py_INCREF(Py_False); return Py_False;};
}
#endif //NO_EXP_PYTHON_EMBEDDING
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