/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt for Python.
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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****************************************************************************/

#ifndef PYTHON25COMPAT_H
#define PYTHON25COMPAT_H
#include "sbkpython.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
