std-python/python3.8.10/Objects/stringlib/partition.h · chenxun/python

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python

std-python

python3.8.10

Objects

stringlib

partition.h

partition.h 3.03 KB

/* stringlib: partition implementation */

#ifndef STRINGLIB_FASTSEARCH_H
#error must include "stringlib/fastsearch.h" before including this module
#endif

Py_LOCAL_INLINE(PyObject*)
STRINGLIB(partition)(PyObject* str_obj,
 const STRINGLIB_CHAR* str, Py_ssize_t str_len,
 PyObject* sep_obj,
 const STRINGLIB_CHAR* sep, Py_ssize_t sep_len)
{
 PyObject* out;
 Py_ssize_t pos;

if (sep_len == 0) {
 PyErr_SetString(PyExc_ValueError, "empty separator");
 return NULL;
 }

out = PyTuple_New(3);
 if (!out)
 return NULL;

pos = FASTSEARCH(str, str_len, sep, sep_len, -1, FAST_SEARCH);

if (pos < 0) {
#if STRINGLIB_MUTABLE
 PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(str, str_len));
 PyTuple_SET_ITEM(out, 1, STRINGLIB_NEW(NULL, 0));
 PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(NULL, 0));

if (PyErr_Occurred()) {
 Py_DECREF(out);
 return NULL;
 }
#else
 Py_INCREF(str_obj);
 PyTuple_SET_ITEM(out, 0, (PyObject*) str_obj);
 Py_INCREF(STRINGLIB_EMPTY);
 PyTuple_SET_ITEM(out, 1, (PyObject*) STRINGLIB_EMPTY);
 Py_INCREF(STRINGLIB_EMPTY);
 PyTuple_SET_ITEM(out, 2, (PyObject*) STRINGLIB_EMPTY);
#endif
 return out;
 }

PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(str, pos));
 Py_INCREF(sep_obj);
 PyTuple_SET_ITEM(out, 1, sep_obj);
 pos += sep_len;
 PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(str + pos, str_len - pos));

if (PyErr_Occurred()) {
 Py_DECREF(out);
 return NULL;
 }

return out;
}

Py_LOCAL_INLINE(PyObject*)
STRINGLIB(rpartition)(PyObject* str_obj,
 const STRINGLIB_CHAR* str, Py_ssize_t str_len,
 PyObject* sep_obj,
 const STRINGLIB_CHAR* sep, Py_ssize_t sep_len)
{
 PyObject* out;
 Py_ssize_t pos;

if (sep_len == 0) {
 PyErr_SetString(PyExc_ValueError, "empty separator");
 return NULL;
 }

out = PyTuple_New(3);
 if (!out)
 return NULL;

pos = FASTSEARCH(str, str_len, sep, sep_len, -1, FAST_RSEARCH);

if (pos < 0) {
#if STRINGLIB_MUTABLE
 PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(NULL, 0));
 PyTuple_SET_ITEM(out, 1, STRINGLIB_NEW(NULL, 0));
 PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(str, str_len));

if (PyErr_Occurred()) {
 Py_DECREF(out);
 return NULL;
 }
#else
 Py_INCREF(STRINGLIB_EMPTY);
 PyTuple_SET_ITEM(out, 0, (PyObject*) STRINGLIB_EMPTY);
 Py_INCREF(STRINGLIB_EMPTY);
 PyTuple_SET_ITEM(out, 1, (PyObject*) STRINGLIB_EMPTY);
 Py_INCREF(str_obj);
 PyTuple_SET_ITEM(out, 2, (PyObject*) str_obj);
#endif
 return out;
 }

PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(str, pos));
 Py_INCREF(sep_obj);
 PyTuple_SET_ITEM(out, 1, sep_obj);
 pos += sep_len;
 PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(str + pos, str_len - pos));

if (PyErr_Occurred()) {
 Py_DECREF(out);
 return NULL;
 }

return out;
}

一键复制编辑原始数据按行查看历史

bayanxing 提交于 2021年10月22日 16:55 +08:00 . python3.8 for openharmony l2

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/* stringlib: partition implementation */

#ifndef STRINGLIB_FASTSEARCH_H
#error must include "stringlib/fastsearch.h" before including this module
#endif

Py_LOCAL_INLINE(PyObject*)
STRINGLIB(partition)(PyObject* str_obj,
 const STRINGLIB_CHAR* str, Py_ssize_t str_len,
 PyObject* sep_obj,
 const STRINGLIB_CHAR* sep, Py_ssize_t sep_len)
{
 PyObject* out;
 Py_ssize_t pos;

 if (sep_len == 0) {
 PyErr_SetString(PyExc_ValueError, "empty separator");
 return NULL;
 }

 out = PyTuple_New(3);
 if (!out)
 return NULL;

 pos = FASTSEARCH(str, str_len, sep, sep_len, -1, FAST_SEARCH);

 if (pos < 0) {
#if STRINGLIB_MUTABLE
 PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(str, str_len));
 PyTuple_SET_ITEM(out, 1, STRINGLIB_NEW(NULL, 0));
 PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(NULL, 0));

 if (PyErr_Occurred()) {
 Py_DECREF(out);
 return NULL;
 }
#else
 Py_INCREF(str_obj);
 PyTuple_SET_ITEM(out, 0, (PyObject*) str_obj);
 Py_INCREF(STRINGLIB_EMPTY);
 PyTuple_SET_ITEM(out, 1, (PyObject*) STRINGLIB_EMPTY);
 Py_INCREF(STRINGLIB_EMPTY);
 PyTuple_SET_ITEM(out, 2, (PyObject*) STRINGLIB_EMPTY);
#endif
 return out;
 }

 PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(str, pos));
 Py_INCREF(sep_obj);
 PyTuple_SET_ITEM(out, 1, sep_obj);
 pos += sep_len;
 PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(str + pos, str_len - pos));

 if (PyErr_Occurred()) {
 Py_DECREF(out);
 return NULL;
 }

 return out;
}

Py_LOCAL_INLINE(PyObject*)
STRINGLIB(rpartition)(PyObject* str_obj,
 const STRINGLIB_CHAR* str, Py_ssize_t str_len,
 PyObject* sep_obj,
 const STRINGLIB_CHAR* sep, Py_ssize_t sep_len)
{
 PyObject* out;
 Py_ssize_t pos;

 if (sep_len == 0) {
 PyErr_SetString(PyExc_ValueError, "empty separator");
 return NULL;
 }

 out = PyTuple_New(3);
 if (!out)
 return NULL;

 pos = FASTSEARCH(str, str_len, sep, sep_len, -1, FAST_RSEARCH);

 if (pos < 0) {
#if STRINGLIB_MUTABLE
 PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(NULL, 0));
 PyTuple_SET_ITEM(out, 1, STRINGLIB_NEW(NULL, 0));
 PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(str, str_len));

 if (PyErr_Occurred()) {
 Py_DECREF(out);
 return NULL;
 }
#else
 Py_INCREF(STRINGLIB_EMPTY);
 PyTuple_SET_ITEM(out, 0, (PyObject*) STRINGLIB_EMPTY);
 Py_INCREF(STRINGLIB_EMPTY);
 PyTuple_SET_ITEM(out, 1, (PyObject*) STRINGLIB_EMPTY);
 Py_INCREF(str_obj);
 PyTuple_SET_ITEM(out, 2, (PyObject*) str_obj);
#endif
 return out;
 }

 PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(str, pos));
 Py_INCREF(sep_obj);
 PyTuple_SET_ITEM(out, 1, sep_obj);
 pos += sep_len;
 PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(str + pos, str_len - pos));

 if (PyErr_Occurred()) {
 Py_DECREF(out);
 return NULL;
 }

 return out;
}