pyarea.h

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/* --------------------------------------------------------------------
Copyright (C) 2009 Swedish Meteorological and Hydrological Institute, SMHI,
 
This file is part of RAVE.
 
RAVE is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
 
RAVE 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 RAVE.  If not, see <http://www.gnu.org/licenses/>.
------------------------------------------------------------------------*/
#ifndef PYAREA_H
#define PYAREA_H
#include "area.h"

typedef struct {
  PyObject_HEAD /*Always has to be on top*/
  Area_t* area; 
} PyArea;
 
#define PyArea_Type_NUM 0                   
 
#define PyArea_GetNative_NUM 1              
#define PyArea_GetNative_RETURN Area_t*     
#define PyArea_GetNative_PROTO (PyArea*)    
 
#define PyArea_New_NUM 2                    
#define PyArea_New_RETURN PyArea*           
#define PyArea_New_PROTO (Area_t*)          
 
#define PyArea_API_pointers 3               
 
#define PyArea_CAPSULE_NAME "_area._C_API"
 
#ifdef PYAREA_MODULE
extern PyTypeObject PyArea_Type;

#define PyArea_Check(op) ((op)->ob_type == &PyArea_Type)

static PyArea_GetNative_RETURN PyArea_GetNative PyArea_GetNative_PROTO;

static PyArea_New_RETURN PyArea_New PyArea_New_PROTO;
 
#else
static void **PyArea_API;

#define PyArea_GetNative \
  (*(PyArea_GetNative_RETURN (*)PyArea_GetNative_PROTO) PyArea_API[PyArea_GetNative_NUM])

#define PyArea_New \
  (*(PyArea_New_RETURN (*)PyArea_New_PROTO) PyArea_API[PyArea_New_NUM])

#define PyArea_Check(op) \
   (Py_TYPE(op) == &PyArea_Type)
 
#define PyArea_Type (*(PyTypeObject*)PyArea_API[PyArea_Type_NUM])

#define import_pyarea() \
    PyArea_API = (void **)PyCapsule_Import(PyArea_CAPSULE_NAME, 1);
 
#endif
 
#endif /* PYAREA_H */