578 lines
18 KiB
C
578 lines
18 KiB
C
/*
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* Copyright 2010-2012 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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#define PY_SSIZE_T_CLEAN
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#include <Python.h>
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#include <pygit2/error.h>
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#include <pygit2/types.h>
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#include <pygit2/utils.h>
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#include <pygit2/oid.h>
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#include <pygit2/index.h>
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extern PyTypeObject IndexType;
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extern PyTypeObject TreeType;
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extern PyTypeObject DiffType;
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extern PyTypeObject IndexIterType;
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extern PyTypeObject IndexEntryType;
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int
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Index_init(Index *self, PyObject *args, PyObject *kwds)
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{
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char *path;
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int err;
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if (kwds) {
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PyErr_SetString(PyExc_TypeError,
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"Index takes no keyword arguments");
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return -1;
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}
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if (!PyArg_ParseTuple(args, "s", &path))
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return -1;
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err = git_index_open(&self->index, path);
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if (err < 0) {
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Error_set_str(err, path);
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return -1;
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}
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return 0;
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}
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void
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Index_dealloc(Index* self)
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{
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PyObject_GC_UnTrack(self);
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Py_XDECREF(self->repo);
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git_index_free(self->index);
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PyObject_GC_Del(self);
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}
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int
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Index_traverse(Index *self, visitproc visit, void *arg)
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{
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Py_VISIT(self->repo);
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return 0;
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}
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PyObject *
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Index_add(Index *self, PyObject *args)
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{
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int err;
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const char *path;
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if (!PyArg_ParseTuple(args, "s", &path))
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return NULL;
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err = git_index_add_from_workdir(self->index, path);
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if (err < 0)
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return Error_set_str(err, path);
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Py_RETURN_NONE;
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}
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PyObject *
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Index_clear(Index *self)
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{
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git_index_clear(self->index);
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Py_RETURN_NONE;
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}
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PyObject *
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Index_diff_tree(Index *self, PyObject *args)
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{
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git_diff_options opts = {0};
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git_diff_list *diff;
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int err;
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Diff *py_diff;
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PyObject *py_obj = NULL;
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if (!PyArg_ParseTuple(args, "|O", &py_obj))
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return NULL;
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if (py_obj == NULL) {
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err = git_diff_workdir_to_index(
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&diff,
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self->repo->repo,
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self->index,
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&opts);
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} else if (PyObject_TypeCheck(py_obj, &TreeType)) {
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err = git_diff_index_to_tree(
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&diff,
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self->repo->repo,
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((Tree *)py_obj)->tree,
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self->index,
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&opts);
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} else {
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PyErr_SetObject(PyExc_TypeError, py_obj);
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return NULL;
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}
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if (err < 0)
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return Error_set(err);
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py_diff = PyObject_New(Diff, &DiffType);
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if (py_diff) {
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Py_INCREF(py_diff);
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Py_INCREF(self->repo);
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py_diff->repo = self->repo;
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py_diff->diff = diff;
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}
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return (PyObject*)py_diff;
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}
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PyObject *
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Index_find(Index *self, PyObject *py_path)
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{
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char *path;
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long idx;
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path = PyString_AsString(py_path);
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if (!path)
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return NULL;
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idx = (long)git_index_find(self->index, path);
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if (idx < 0)
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return Error_set_str(idx, path);
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return PyInt_FromLong(idx);
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}
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PyObject *
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Index_read(Index *self)
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{
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int err;
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err = git_index_read(self->index);
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if (err < GIT_OK)
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return Error_set(err);
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Py_RETURN_NONE;
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}
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PyObject *
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Index_write(Index *self)
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{
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int err;
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err = git_index_write(self->index);
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if (err < GIT_OK)
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return Error_set(err);
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Py_RETURN_NONE;
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}
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/* This is an internal function, used by Index_getitem and Index_setitem */
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int
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Index_get_position(Index *self, PyObject *value)
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{
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char *path;
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int idx;
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/* Case 1: integer */
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if (PyInt_Check(value)) {
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idx = (int)PyInt_AsLong(value);
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if (idx == -1 && PyErr_Occurred())
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return -1;
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if (idx < 0) {
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PyErr_SetObject(PyExc_ValueError, value);
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return -1;
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}
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return idx;
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}
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/* Case 2: byte or text string */
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path = py_path_to_c_str(value);
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if (!path)
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return -1;
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idx = git_index_find(self->index, path);
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if (idx < 0) {
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Error_set_str(idx, path);
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free(path);
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return -1;
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}
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return idx;
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}
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int
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Index_contains(Index *self, PyObject *value)
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{
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char *path;
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int idx;
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path = py_path_to_c_str(value);
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if (!path)
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return -1;
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idx = git_index_find(self->index, path);
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if (idx == GIT_ENOTFOUND)
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return 0;
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if (idx < 0) {
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Error_set_str(idx, path);
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free(path);
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return -1;
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}
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return 1;
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}
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PyObject *
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Index_iter(Index *self)
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{
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IndexIter *iter;
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iter = PyObject_New(IndexIter, &IndexIterType);
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if (iter) {
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Py_INCREF(self);
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iter->owner = self;
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iter->i = 0;
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}
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return (PyObject*)iter;
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}
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Py_ssize_t
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Index_len(Index *self)
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{
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return (Py_ssize_t)git_index_entrycount(self->index);
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}
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PyObject *
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wrap_index_entry(git_index_entry *entry, Index *index)
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{
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IndexEntry *py_entry;
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py_entry = PyObject_New(IndexEntry, &IndexEntryType);
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if (py_entry)
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py_entry->entry = entry;
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return (PyObject*)py_entry;
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}
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PyObject *
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Index_getitem(Index *self, PyObject *value)
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{
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int idx;
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git_index_entry *index_entry;
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idx = Index_get_position(self, value);
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if (idx == -1)
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return NULL;
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index_entry = git_index_get_byindex(self->index, idx);
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if (!index_entry) {
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PyErr_SetObject(PyExc_KeyError, value);
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return NULL;
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}
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return wrap_index_entry(index_entry, self);
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}
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PyObject *
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Index_remove(Index *self, PyObject *args)
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{
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int err;
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const char *path;
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if (!PyArg_ParseTuple(args, "s", &path))
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return NULL;
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err = git_index_remove(self->index, path, 0);
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if (err < 0) {
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Error_set(err);
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return NULL;
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}
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Py_RETURN_NONE;
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}
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int
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Index_setitem(Index *self, PyObject *key, PyObject *value)
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{
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if (value != NULL) {
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PyErr_SetString(PyExc_NotImplementedError,
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"set item on index not yet implemented");
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return -1;
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}
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if(Index_remove(self, Py_BuildValue("(N)", key)) == NULL)
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return -1;
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return 0;
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}
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PyObject *
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Index_read_tree(Index *self, PyObject *value)
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{
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git_oid oid;
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git_tree *tree;
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int err, len;
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len = py_str_to_git_oid(value, &oid);
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if (len < 0)
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return NULL;
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err = git_tree_lookup_prefix(&tree, self->repo->repo, &oid,
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(unsigned int)len);
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if (err < 0)
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return Error_set(err);
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err = git_index_read_tree(self->index, tree);
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if (err < 0)
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return Error_set(err);
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Py_RETURN_NONE;
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}
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PyObject *
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Index_write_tree(Index *self)
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{
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git_oid oid;
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int err;
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err = git_index_write_tree(&oid, self->index);
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if (err < 0)
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return Error_set(err);
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return git_oid_to_python(oid.id);
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}
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PyMethodDef Index_methods[] = {
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{"add", (PyCFunction)Index_add, METH_VARARGS,
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"Add or update an index entry from a file in disk."},
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{"remove", (PyCFunction)Index_remove, METH_VARARGS,
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"Removes an entry from index."},
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{"clear", (PyCFunction)Index_clear, METH_NOARGS,
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"Clear the contents (all the entries) of an index object."},
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{"diff", (PyCFunction)Index_diff_tree, METH_VARARGS,
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"Diff index to tree."},
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{"_find", (PyCFunction)Index_find, METH_O,
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"Find the first index of any entries which point to given path in the"
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" Git index."},
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{"read", (PyCFunction)Index_read, METH_NOARGS,
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"Update the contents of an existing index object in memory by reading"
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" from the hard disk."},
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{"write", (PyCFunction)Index_write, METH_NOARGS,
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"Write an existing index object from memory back to disk using an"
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" atomic file lock."},
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{"read_tree", (PyCFunction)Index_read_tree, METH_O,
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"Update the index file from the given tree object."},
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{"write_tree", (PyCFunction)Index_write_tree, METH_NOARGS,
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"Create a tree object from the index file, return its oid."},
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{NULL}
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};
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PySequenceMethods Index_as_sequence = {
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0, /* sq_length */
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0, /* sq_concat */
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0, /* sq_repeat */
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0, /* sq_item */
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0, /* sq_slice */
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0, /* sq_ass_item */
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0, /* sq_ass_slice */
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(objobjproc)Index_contains, /* sq_contains */
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};
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PyMappingMethods Index_as_mapping = {
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(lenfunc)Index_len, /* mp_length */
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(binaryfunc)Index_getitem, /* mp_subscript */
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(objobjargproc)Index_setitem, /* mp_ass_subscript */
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};
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PyTypeObject IndexType = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"_pygit2.Index", /* tp_name */
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sizeof(Index), /* tp_basicsize */
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0, /* tp_itemsize */
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(destructor)Index_dealloc, /* tp_dealloc */
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0, /* tp_print */
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0, /* tp_getattr */
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0, /* tp_setattr */
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0, /* tp_compare */
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0, /* tp_repr */
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0, /* tp_as_number */
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&Index_as_sequence, /* tp_as_sequence */
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&Index_as_mapping, /* tp_as_mapping */
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0, /* tp_hash */
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0, /* tp_call */
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0, /* tp_str */
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0, /* tp_getattro */
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0, /* tp_setattro */
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0, /* tp_as_buffer */
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Py_TPFLAGS_DEFAULT |
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Py_TPFLAGS_BASETYPE |
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Py_TPFLAGS_HAVE_GC, /* tp_flags */
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"Index file", /* tp_doc */
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(traverseproc)Index_traverse, /* tp_traverse */
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0, /* tp_clear */
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0, /* tp_richcompare */
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0, /* tp_weaklistoffset */
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(getiterfunc)Index_iter, /* tp_iter */
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0, /* tp_iternext */
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Index_methods, /* tp_methods */
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0, /* tp_members */
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0, /* tp_getset */
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0, /* tp_base */
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0, /* tp_dict */
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0, /* tp_descr_get */
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0, /* tp_descr_set */
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0, /* tp_dictoffset */
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(initproc)Index_init, /* tp_init */
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0, /* tp_alloc */
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0, /* tp_new */
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};
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void
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IndexIter_dealloc(IndexIter *self)
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{
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Py_CLEAR(self->owner);
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PyObject_Del(self);
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}
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PyObject *
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IndexIter_iternext(IndexIter *self)
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{
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git_index_entry *index_entry;
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index_entry = git_index_get_byindex(self->owner->index, self->i);
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if (!index_entry)
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return NULL;
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self->i += 1;
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return wrap_index_entry(index_entry, self->owner);
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}
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PyTypeObject IndexIterType = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"_pygit2.IndexIter", /* tp_name */
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sizeof(IndexIter), /* tp_basicsize */
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0, /* tp_itemsize */
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(destructor)IndexIter_dealloc , /* tp_dealloc */
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0, /* tp_print */
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0, /* tp_getattr */
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0, /* tp_setattr */
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0, /* tp_compare */
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0, /* tp_repr */
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0, /* tp_as_number */
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0, /* tp_as_sequence */
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0, /* tp_as_mapping */
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0, /* tp_hash */
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0, /* tp_call */
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0, /* tp_str */
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PyObject_GenericGetAttr, /* tp_getattro */
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0, /* tp_setattro */
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0, /* tp_as_buffer */
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Py_TPFLAGS_DEFAULT |
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Py_TPFLAGS_BASETYPE, /* tp_flags */
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0, /* tp_doc */
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0, /* tp_traverse */
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0, /* tp_clear */
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0, /* tp_richcompare */
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0, /* tp_weaklistoffset */
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PyObject_SelfIter, /* tp_iter */
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(iternextfunc)IndexIter_iternext, /* tp_iternext */
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};
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void
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IndexEntry_dealloc(IndexEntry *self)
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{
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PyObject_Del(self);
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}
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PyObject *
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IndexEntry_get_mode(IndexEntry *self)
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{
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return PyInt_FromLong(self->entry->mode);
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}
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PyObject *
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IndexEntry_get_path(IndexEntry *self)
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{
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return to_path(self->entry->path);
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}
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PyObject *
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IndexEntry_get_oid(IndexEntry *self)
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{
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return git_oid_to_python(self->entry->oid.id);
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}
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PyObject *
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IndexEntry_get_hex(IndexEntry *self)
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{
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return git_oid_to_py_str(&self->entry->oid);
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}
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PyGetSetDef IndexEntry_getseters[] = {
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{"mode", (getter)IndexEntry_get_mode, NULL, "mode", NULL},
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{"path", (getter)IndexEntry_get_path, NULL, "path", NULL},
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{"oid", (getter)IndexEntry_get_oid, NULL, "object id", NULL},
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{"hex", (getter)IndexEntry_get_hex, NULL, "hex oid", NULL},
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{NULL},
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};
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PyTypeObject IndexEntryType = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"_pygit2.IndexEntry", /* tp_name */
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sizeof(IndexEntry), /* tp_basicsize */
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0, /* tp_itemsize */
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(destructor)IndexEntry_dealloc, /* tp_dealloc */
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0, /* tp_print */
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0, /* tp_getattr */
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0, /* tp_setattr */
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0, /* tp_compare */
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0, /* tp_repr */
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0, /* tp_as_number */
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0, /* tp_as_sequence */
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0, /* tp_as_mapping */
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0, /* tp_hash */
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0, /* tp_call */
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0, /* tp_str */
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0, /* tp_getattro */
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0, /* tp_setattro */
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0, /* tp_as_buffer */
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Py_TPFLAGS_DEFAULT, /* tp_flags */
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"Index entry", /* tp_doc */
|
|
0, /* tp_traverse */
|
|
0, /* tp_clear */
|
|
0, /* tp_richcompare */
|
|
0, /* tp_weaklistoffset */
|
|
0, /* tp_iter */
|
|
0, /* tp_iternext */
|
|
0, /* tp_methods */
|
|
0, /* tp_members */
|
|
IndexEntry_getseters, /* tp_getset */
|
|
0, /* tp_base */
|
|
0, /* tp_dict */
|
|
0, /* tp_descr_get */
|
|
0, /* tp_descr_set */
|
|
0, /* tp_dictoffset */
|
|
0, /* tp_init */
|
|
0, /* tp_alloc */
|
|
0, /* tp_new */
|
|
};
|