/*
* This file is part of the Shiboken Python Bindings Generator project.
*
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
*
* Contact: PySide team <contact@pyside.org>
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef PYTHON25COMPAT_H
#define PYTHON25COMPAT_H
#include <Python.h>
#include <cstring>

/*
 *The #defines below were taken from Cython-generated code to allow shiboken to be used with python2.5.
 * Maybe not all of these defines are useful to us, time will tell which ones are really needed or not.
 */

#if PY_VERSION_HEX < 0x02060000
#define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
#define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
#define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
#define PyVarObject_HEAD_INIT(type, size) \
        PyObject_HEAD_INIT(type) size,
#define PyType_Modified(t)

typedef struct {
    void *buf;
    PyObject *obj;
    Py_ssize_t len;
    Py_ssize_t itemsize;
    int readonly;
    int ndim;
    char *format;
    Py_ssize_t *shape;
    Py_ssize_t *strides;
    Py_ssize_t *suboffsets;
    void *internal;
} Py_buffer;

#define PyBUF_SIMPLE 0
#define PyBUF_WRITABLE 0x0001
#define PyBUF_LOCK 0x0002
#define PyBUF_FORMAT 0x0004
#define PyBUF_ND 0x0008
#define PyBUF_STRIDES (0x0010 | PyBUF_ND)
#define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
#define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
#define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
#define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)

#define PyBytes_Check PyString_Check
#define PyBytes_FromString PyString_FromString
#define PyBytes_FromFormat PyString_FromFormat
#define PyBytes_FromStringAndSize PyString_FromStringAndSize
#define PyBytes_GET_SIZE PyString_GET_SIZE
#define PyBytes_AS_STRING PyString_AS_STRING
#define PyBytes_AsString PyString_AsString
#define PyBytes_Concat PyString_Concat
#define PyBytes_Size PyString_Size

inline PyObject* PyUnicode_FromString(const char* s)
{
    std::size_t len = std::strlen(s);
    return PyUnicode_DecodeUTF8(s, len, 0);
}

#define PyLong_FromSize_t _PyLong_FromSize_t
#define PyLong_AsSsize_t _PyLong_AsSsize_t

#endif

#endif
