pyListHelper.h

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// -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//
// $Id: pyListHelper.h,v 1.1.2.2 2007/03/28 15:43:38 amoll Exp $
//
//
#ifndef BALL_PYTHON_PYLIST_HELPER
#define BALL_PYTHON_PYLIST_HELPER

#include <BALL/DATATYPE/regularData3D.h>

namespace BALL
{

typedef std::list<RegularData3D*> RegularData3DList;

// Convert the list.
#define BALL_CONVERT_LIST_FROM(TYPE)\
  PyObject *pl;\
  \
  if ((pl = PyList_New(0)) == NULL) return NULL;\
  \
  for (TYPE##List::const_iterator it = sipCpp->begin(); it != sipCpp->end(); ++it)\
  {\
    PyObject *inst = BALL_CONVERT_FROM_INSTANCE(*it, TYPE, 0);\
    \
    if (inst == NULL || PyList_Append(pl,inst) < 0)\
    {\
      Py_DECREF(pl);\
      return NULL;\
    }\
  }\
  \
  return pl;
 

// Convert a Python list of TYPE instances to a TYPEList object on the heap.
#define BALL_CONVERT_LIST_TO(TYPE)\
  if (sipIsErr == NULL) return PyList_Check(sipPy);\
  \
  TYPE##List* alist = new TYPE##List;\
  \
  for (int i = 0; i < PyList_GET_SIZE(sipPy); ++i)\
  {\
    TYPE* a = reinterpret_cast<TYPE*>(BALL_FORCE_CONVERT_TO_TYPE(PyList_GET_ITEM(sipPy,i), TYPE));\
    \
    if (*sipIsErr)\
    {\
      delete alist;\
      return 0;\
    }\
    \
    alist->push_back(a);\
  }\
  \
  *sipCppPtr = alist;\
  \
  return 1;

}

#endif