#ifndef INCLUDE_pygit2_utils_h

#define INCLUDE_pygit2_utils_h

#define PY_SSIZE_T_CLEAN

#include <Python.h>

#include <git2.h>

#include "types.h"

#ifdef __GNUC__

# define PYGIT2_FN_UNUSED __attribute__((unused))

# define PYGIT2_FN_UNUSED

#if defined(PYPY_VERSION)

#define Py_FileSystemDefaultEncodeErrors "surrogateescape"

#define to_encoding(x) PyUnicode_DecodeASCII(x, strlen(x), "strict")

#define CHECK_REFERENCE(self)\

if (self->reference == NULL) {\

PyErr_SetString(GitError, "deleted reference");\

return NULL;\

}

#define CHECK_REFERENCE_INT(self)\

if (self->reference == NULL) {\

PyErr_SetString(GitError, "deleted reference");\

return -1;\

}

#define to_unicode(x, encoding, errors) to_unicode_n(x, strlen(x), encoding, errors)

PyObject *to_unicode_safe(const char *value, const char *encoding);

Py_LOCAL_INLINE(PyObject*)

to_unicode_n(const char *value, size_t len, const char *encoding,

const char *errors)

{

if (encoding == NULL) {

encoding = "utf-8"; // Default to UTF-8

/* If the encoding is not explicit, it may not be UTF-8, so it is not

if (errors == NULL) {

errors = "replace";

}

}

return PyUnicode_Decode(value, len, encoding, errors);

}

#define value_or_default(x, _default) ((x) == NULL ? (_default) : (x))

const char* pgit_borrow(PyObject *value);

const char* pgit_borrow_encoding(PyObject *value, const char *encoding, const char *errors, PyObject **tvalue);

char* pgit_borrow_fsdefault(PyObject *value, PyObject **tvalue);

char* pgit_strdup(PyObject *value);

git_otype py_object_to_otype(PyObject *py_type);

PyObject *pygit2_enum(PyObject *enum_type, int value);

#define METHOD(type, name, args)\

{#name, (PyCFunction) type ## _ ## name, args, type ## _ ## name ## __doc__}

#define GETTER(type, attr)\

{ #attr,\

(getter) type ## _ ## attr ## __get__,\

NULL,\

type ## _ ## attr ## __doc__,\

NULL}

#define GETSET(type, attr)\

{ #attr,\

(getter) type ## _ ## attr ## __get__,\

(setter) type ## _ ## attr ## __set__,\

type ## _ ## attr ## __doc__,\

NULL}

#define MEMBER(type, attr, attr_type, docstr)\

{#attr, attr_type, offsetof(type, attr), 0, PyDoc_STR(docstr)}

#define RMEMBER(type, attr, attr_type, docstr)\

{#attr, attr_type, offsetof(type, attr), READONLY, PyDoc_STR(docstr)}

#define INIT_TYPE(type, base, new) \

type.tp_base = base; \

type.tp_new = new; \

if (PyType_Ready(&type) < 0) return NULL;

#define ADD_TYPE(module, type) \

Py_INCREF(& type ## Type);\

if (PyModule_AddObject(module, #type, (PyObject*) & type ## Type) == -1)\

return NULL;

#define ADD_EXC(m, name, base)\

name = PyErr_NewException("_pygit2." #name, base, NULL);\

if (name == NULL) goto fail;\

Py_INCREF(name);\

if (PyModule_AddObject(m, #name, name)) {\

Py_DECREF(name);\

goto fail;\

}

#define ADD_CONSTANT_INT(m, name) \

if (PyModule_AddIntConstant(m, #name, name) == -1) return NULL;

#define ADD_CONSTANT_STR(m, name) \

if (PyModule_AddStringConstant(m, #name, name) == -1) return NULL;