Logo Search packages:      
Sourcecode: blender version File versions

PyObjectPlus.cpp

/**
 * $Id: PyObjectPlus.cpp,v 1.7 2004/11/22 10:19:18 kester 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 <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(PyTypeObject *T)                       // constructor
{
      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


Generated by  Doxygen 1.6.0   Back to index