mirror of
https://github.com/python/cpython
synced 2024-09-04 15:56:13 +00:00
380 lines
10 KiB
C
Generated
380 lines
10 KiB
C
Generated
/*[clinic input]
|
|
preserve
|
|
[clinic start generated code]*/
|
|
|
|
PyDoc_STRVAR(Struct___init____doc__,
|
|
"Struct(format)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Create a compiled struct object.\n"
|
|
"\n"
|
|
"Return a new Struct object which writes and reads binary data according to\n"
|
|
"the format string.\n"
|
|
"\n"
|
|
"See help(struct) for more on format strings.");
|
|
|
|
static int
|
|
Struct___init___impl(PyStructObject *self, PyObject *format);
|
|
|
|
static int
|
|
Struct___init__(PyObject *self, PyObject *args, PyObject *kwargs)
|
|
{
|
|
int return_value = -1;
|
|
static const char * const _keywords[] = {"format", NULL};
|
|
static _PyArg_Parser _parser = {NULL, _keywords, "Struct", 0};
|
|
PyObject *argsbuf[1];
|
|
PyObject * const *fastargs;
|
|
Py_ssize_t nargs = PyTuple_GET_SIZE(args);
|
|
PyObject *format;
|
|
|
|
fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 1, 1, 0, argsbuf);
|
|
if (!fastargs) {
|
|
goto exit;
|
|
}
|
|
format = fastargs[0];
|
|
return_value = Struct___init___impl((PyStructObject *)self, format);
|
|
|
|
exit:
|
|
return return_value;
|
|
}
|
|
|
|
PyDoc_STRVAR(Struct_unpack__doc__,
|
|
"unpack($self, buffer, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Return a tuple containing unpacked values.\n"
|
|
"\n"
|
|
"Unpack according to the format string Struct.format. The buffer\'s size\n"
|
|
"in bytes must be Struct.size.\n"
|
|
"\n"
|
|
"See help(struct) for more on format strings.");
|
|
|
|
#define STRUCT_UNPACK_METHODDEF \
|
|
{"unpack", (PyCFunction)Struct_unpack, METH_O, Struct_unpack__doc__},
|
|
|
|
static PyObject *
|
|
Struct_unpack_impl(PyStructObject *self, Py_buffer *buffer);
|
|
|
|
static PyObject *
|
|
Struct_unpack(PyStructObject *self, PyObject *arg)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
Py_buffer buffer = {NULL, NULL};
|
|
|
|
if (PyObject_GetBuffer(arg, &buffer, PyBUF_SIMPLE) != 0) {
|
|
goto exit;
|
|
}
|
|
if (!PyBuffer_IsContiguous(&buffer, 'C')) {
|
|
_PyArg_BadArgument("unpack", "argument", "contiguous buffer", arg);
|
|
goto exit;
|
|
}
|
|
return_value = Struct_unpack_impl(self, &buffer);
|
|
|
|
exit:
|
|
/* Cleanup for buffer */
|
|
if (buffer.obj) {
|
|
PyBuffer_Release(&buffer);
|
|
}
|
|
|
|
return return_value;
|
|
}
|
|
|
|
PyDoc_STRVAR(Struct_unpack_from__doc__,
|
|
"unpack_from($self, /, buffer, offset=0)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Return a tuple containing unpacked values.\n"
|
|
"\n"
|
|
"Values are unpacked according to the format string Struct.format.\n"
|
|
"\n"
|
|
"The buffer\'s size in bytes, starting at position offset, must be\n"
|
|
"at least Struct.size.\n"
|
|
"\n"
|
|
"See help(struct) for more on format strings.");
|
|
|
|
#define STRUCT_UNPACK_FROM_METHODDEF \
|
|
{"unpack_from", (PyCFunction)(void(*)(void))Struct_unpack_from, METH_FASTCALL|METH_KEYWORDS, Struct_unpack_from__doc__},
|
|
|
|
static PyObject *
|
|
Struct_unpack_from_impl(PyStructObject *self, Py_buffer *buffer,
|
|
Py_ssize_t offset);
|
|
|
|
static PyObject *
|
|
Struct_unpack_from(PyStructObject *self, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
static const char * const _keywords[] = {"buffer", "offset", NULL};
|
|
static _PyArg_Parser _parser = {NULL, _keywords, "unpack_from", 0};
|
|
PyObject *argsbuf[2];
|
|
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 1;
|
|
Py_buffer buffer = {NULL, NULL};
|
|
Py_ssize_t offset = 0;
|
|
|
|
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 1, 2, 0, argsbuf);
|
|
if (!args) {
|
|
goto exit;
|
|
}
|
|
if (PyObject_GetBuffer(args[0], &buffer, PyBUF_SIMPLE) != 0) {
|
|
goto exit;
|
|
}
|
|
if (!PyBuffer_IsContiguous(&buffer, 'C')) {
|
|
_PyArg_BadArgument("unpack_from", "argument 'buffer'", "contiguous buffer", args[0]);
|
|
goto exit;
|
|
}
|
|
if (!noptargs) {
|
|
goto skip_optional_pos;
|
|
}
|
|
{
|
|
Py_ssize_t ival = -1;
|
|
PyObject *iobj = _PyNumber_Index(args[1]);
|
|
if (iobj != NULL) {
|
|
ival = PyLong_AsSsize_t(iobj);
|
|
Py_DECREF(iobj);
|
|
}
|
|
if (ival == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
offset = ival;
|
|
}
|
|
skip_optional_pos:
|
|
return_value = Struct_unpack_from_impl(self, &buffer, offset);
|
|
|
|
exit:
|
|
/* Cleanup for buffer */
|
|
if (buffer.obj) {
|
|
PyBuffer_Release(&buffer);
|
|
}
|
|
|
|
return return_value;
|
|
}
|
|
|
|
PyDoc_STRVAR(Struct_iter_unpack__doc__,
|
|
"iter_unpack($self, buffer, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Return an iterator yielding tuples.\n"
|
|
"\n"
|
|
"Tuples are unpacked from the given bytes source, like a repeated\n"
|
|
"invocation of unpack_from().\n"
|
|
"\n"
|
|
"Requires that the bytes length be a multiple of the struct size.");
|
|
|
|
#define STRUCT_ITER_UNPACK_METHODDEF \
|
|
{"iter_unpack", (PyCFunction)Struct_iter_unpack, METH_O, Struct_iter_unpack__doc__},
|
|
|
|
PyDoc_STRVAR(_clearcache__doc__,
|
|
"_clearcache($module, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Clear the internal cache.");
|
|
|
|
#define _CLEARCACHE_METHODDEF \
|
|
{"_clearcache", (PyCFunction)_clearcache, METH_NOARGS, _clearcache__doc__},
|
|
|
|
static PyObject *
|
|
_clearcache_impl(PyObject *module);
|
|
|
|
static PyObject *
|
|
_clearcache(PyObject *module, PyObject *Py_UNUSED(ignored))
|
|
{
|
|
return _clearcache_impl(module);
|
|
}
|
|
|
|
PyDoc_STRVAR(calcsize__doc__,
|
|
"calcsize($module, format, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Return size in bytes of the struct described by the format string.");
|
|
|
|
#define CALCSIZE_METHODDEF \
|
|
{"calcsize", (PyCFunction)calcsize, METH_O, calcsize__doc__},
|
|
|
|
static Py_ssize_t
|
|
calcsize_impl(PyObject *module, PyStructObject *s_object);
|
|
|
|
static PyObject *
|
|
calcsize(PyObject *module, PyObject *arg)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
PyStructObject *s_object = NULL;
|
|
Py_ssize_t _return_value;
|
|
|
|
if (!cache_struct_converter(module, arg, &s_object)) {
|
|
goto exit;
|
|
}
|
|
_return_value = calcsize_impl(module, s_object);
|
|
if ((_return_value == -1) && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
return_value = PyLong_FromSsize_t(_return_value);
|
|
|
|
exit:
|
|
/* Cleanup for s_object */
|
|
Py_XDECREF(s_object);
|
|
|
|
return return_value;
|
|
}
|
|
|
|
PyDoc_STRVAR(unpack__doc__,
|
|
"unpack($module, format, buffer, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Return a tuple containing values unpacked according to the format string.\n"
|
|
"\n"
|
|
"The buffer\'s size in bytes must be calcsize(format).\n"
|
|
"\n"
|
|
"See help(struct) for more on format strings.");
|
|
|
|
#define UNPACK_METHODDEF \
|
|
{"unpack", (PyCFunction)(void(*)(void))unpack, METH_FASTCALL, unpack__doc__},
|
|
|
|
static PyObject *
|
|
unpack_impl(PyObject *module, PyStructObject *s_object, Py_buffer *buffer);
|
|
|
|
static PyObject *
|
|
unpack(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
PyStructObject *s_object = NULL;
|
|
Py_buffer buffer = {NULL, NULL};
|
|
|
|
if (!_PyArg_CheckPositional("unpack", nargs, 2, 2)) {
|
|
goto exit;
|
|
}
|
|
if (!cache_struct_converter(module, args[0], &s_object)) {
|
|
goto exit;
|
|
}
|
|
if (PyObject_GetBuffer(args[1], &buffer, PyBUF_SIMPLE) != 0) {
|
|
goto exit;
|
|
}
|
|
if (!PyBuffer_IsContiguous(&buffer, 'C')) {
|
|
_PyArg_BadArgument("unpack", "argument 2", "contiguous buffer", args[1]);
|
|
goto exit;
|
|
}
|
|
return_value = unpack_impl(module, s_object, &buffer);
|
|
|
|
exit:
|
|
/* Cleanup for s_object */
|
|
Py_XDECREF(s_object);
|
|
/* Cleanup for buffer */
|
|
if (buffer.obj) {
|
|
PyBuffer_Release(&buffer);
|
|
}
|
|
|
|
return return_value;
|
|
}
|
|
|
|
PyDoc_STRVAR(unpack_from__doc__,
|
|
"unpack_from($module, format, /, buffer, offset=0)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Return a tuple containing values unpacked according to the format string.\n"
|
|
"\n"
|
|
"The buffer\'s size, minus offset, must be at least calcsize(format).\n"
|
|
"\n"
|
|
"See help(struct) for more on format strings.");
|
|
|
|
#define UNPACK_FROM_METHODDEF \
|
|
{"unpack_from", (PyCFunction)(void(*)(void))unpack_from, METH_FASTCALL|METH_KEYWORDS, unpack_from__doc__},
|
|
|
|
static PyObject *
|
|
unpack_from_impl(PyObject *module, PyStructObject *s_object,
|
|
Py_buffer *buffer, Py_ssize_t offset);
|
|
|
|
static PyObject *
|
|
unpack_from(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
static const char * const _keywords[] = {"", "buffer", "offset", NULL};
|
|
static _PyArg_Parser _parser = {NULL, _keywords, "unpack_from", 0};
|
|
PyObject *argsbuf[3];
|
|
Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 2;
|
|
PyStructObject *s_object = NULL;
|
|
Py_buffer buffer = {NULL, NULL};
|
|
Py_ssize_t offset = 0;
|
|
|
|
args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 2, 3, 0, argsbuf);
|
|
if (!args) {
|
|
goto exit;
|
|
}
|
|
if (!cache_struct_converter(module, args[0], &s_object)) {
|
|
goto exit;
|
|
}
|
|
if (PyObject_GetBuffer(args[1], &buffer, PyBUF_SIMPLE) != 0) {
|
|
goto exit;
|
|
}
|
|
if (!PyBuffer_IsContiguous(&buffer, 'C')) {
|
|
_PyArg_BadArgument("unpack_from", "argument 'buffer'", "contiguous buffer", args[1]);
|
|
goto exit;
|
|
}
|
|
if (!noptargs) {
|
|
goto skip_optional_pos;
|
|
}
|
|
{
|
|
Py_ssize_t ival = -1;
|
|
PyObject *iobj = _PyNumber_Index(args[2]);
|
|
if (iobj != NULL) {
|
|
ival = PyLong_AsSsize_t(iobj);
|
|
Py_DECREF(iobj);
|
|
}
|
|
if (ival == -1 && PyErr_Occurred()) {
|
|
goto exit;
|
|
}
|
|
offset = ival;
|
|
}
|
|
skip_optional_pos:
|
|
return_value = unpack_from_impl(module, s_object, &buffer, offset);
|
|
|
|
exit:
|
|
/* Cleanup for s_object */
|
|
Py_XDECREF(s_object);
|
|
/* Cleanup for buffer */
|
|
if (buffer.obj) {
|
|
PyBuffer_Release(&buffer);
|
|
}
|
|
|
|
return return_value;
|
|
}
|
|
|
|
PyDoc_STRVAR(iter_unpack__doc__,
|
|
"iter_unpack($module, format, buffer, /)\n"
|
|
"--\n"
|
|
"\n"
|
|
"Return an iterator yielding tuples unpacked from the given bytes.\n"
|
|
"\n"
|
|
"The bytes are unpacked according to the format string, like\n"
|
|
"a repeated invocation of unpack_from().\n"
|
|
"\n"
|
|
"Requires that the bytes length be a multiple of the format struct size.");
|
|
|
|
#define ITER_UNPACK_METHODDEF \
|
|
{"iter_unpack", (PyCFunction)(void(*)(void))iter_unpack, METH_FASTCALL, iter_unpack__doc__},
|
|
|
|
static PyObject *
|
|
iter_unpack_impl(PyObject *module, PyStructObject *s_object,
|
|
PyObject *buffer);
|
|
|
|
static PyObject *
|
|
iter_unpack(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
|
|
{
|
|
PyObject *return_value = NULL;
|
|
PyStructObject *s_object = NULL;
|
|
PyObject *buffer;
|
|
|
|
if (!_PyArg_CheckPositional("iter_unpack", nargs, 2, 2)) {
|
|
goto exit;
|
|
}
|
|
if (!cache_struct_converter(module, args[0], &s_object)) {
|
|
goto exit;
|
|
}
|
|
buffer = args[1];
|
|
return_value = iter_unpack_impl(module, s_object, buffer);
|
|
|
|
exit:
|
|
/* Cleanup for s_object */
|
|
Py_XDECREF(s_object);
|
|
|
|
return return_value;
|
|
}
|
|
/*[clinic end generated code: output=a3d3cd900091cb1c input=a9049054013a1b77]*/
|