124 lines
4.0 KiB
C
124 lines
4.0 KiB
C
/*
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* Copyright 2010-2013 The pygit2 contributors
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2,
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* as published by the Free Software Foundation.
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*
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* In addition to the permissions in the GNU General Public License,
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* the authors give you unlimited permission to link the compiled
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* version of this file into combinations with other programs,
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* and to distribute those combinations without any restriction
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* coming from the use of this file. (The General Public License
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* restrictions do apply in other respects; for example, they cover
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* modification of the file, and distribution when not linked into
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* a combined executable.)
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDE_pygit2_utils_h
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#define INCLUDE_pygit2_utils_h
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#define PY_SSIZE_T_CLEAN
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#include <Python.h>
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#include <git2.h>
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#include <pygit2/types.h>
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/* Python 3 support */
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#if PY_MAJOR_VERSION >= 3
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#define PyInt_AsLong PyLong_AsLong
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#define PyInt_Check PyLong_Check
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#define PyInt_FromLong PyLong_FromLong
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#define PyString_AS_STRING PyBytes_AS_STRING
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#define PyString_AsString PyBytes_AsString
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#define PyString_AsStringAndSize PyBytes_AsStringAndSize
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#define PyString_Check PyBytes_Check
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#define PyString_FromString PyBytes_FromString
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#define PyString_FromStringAndSize PyBytes_FromStringAndSize
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#define PyString_Size PyBytes_Size
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#endif
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#if PY_MAJOR_VERSION == 2
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#define to_path(x) to_bytes(x)
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#define to_encoding(x) to_bytes(x)
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#define PyLong_FromSize_t PyInt_FromSize_t
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#else
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#define to_path(x) to_unicode(x, Py_FileSystemDefaultEncoding, "strict")
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#define to_encoding(x) PyUnicode_DecodeASCII(x, strlen(x), "strict")
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#endif
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#define CHECK_REFERENCE(self)\
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if (self->reference == NULL) {\
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PyErr_SetString(GitError, "deleted reference");\
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return NULL;\
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}
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#define CHECK_REFERENCE_INT(self)\
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if (self->reference == NULL) {\
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PyErr_SetString(GitError, "deleted reference");\
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return -1;\
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}
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/* Utilities */
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Py_LOCAL_INLINE(PyObject*)
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to_unicode(const char *value, const char *encoding, const char *errors)
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{
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if (encoding == NULL) {
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/* If the encoding is not explicit, it may not be UTF-8, so it
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* is not safe to decode it strictly. This is rare in the
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* wild, but does occur in old commits to git itself
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* (e.g. c31820c2). */
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encoding = "utf-8";
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errors = "replace";
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}
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return PyUnicode_Decode(value, strlen(value), encoding, errors);
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}
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Py_LOCAL_INLINE(PyObject*)
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to_bytes(const char * value)
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{
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return PyString_FromString(value);
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}
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char * py_str_to_c_str(PyObject *value, const char *encoding);
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#define py_path_to_c_str(py_path) \
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py_str_to_c_str(py_path, Py_FileSystemDefaultEncoding)
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#define INSTANCIATE_CLASS(type, arglist) \
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PyObject_CallObject(PyType_GenericNew(&type, NULL, NULL), arglist);
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/* Helpers to make shorter PyMethodDef and PyGetSetDef blocks */
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#define METHOD(type, name, args)\
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{#name, (PyCFunction) type ## _ ## name, args, type ## _ ## name ## __doc__}
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#define GETTER(type, attr)\
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{ #attr,\
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(getter) type ## _ ## attr ## __get__,\
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NULL,\
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type ## _ ## attr ## __doc__,\
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NULL}
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#define GETSET(type, attr)\
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{ #attr,\
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(getter) type ## _ ## attr ## __get__,\
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(setter) type ## _ ## attr ## __set__,\
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type ## _ ## attr ## __doc__,\
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NULL}
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#define MEMBER(type, attr, attr_type, docstr)\
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{#attr, attr_type, offsetof(type, attr), 0, PyDoc_STR(docstr)}
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#endif
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