mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-07-30 06:34:15 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

needforspeed: added rpartition implementation

Browse source
This commit is contained in:
Fredrik Lundh 2006-05-26 18:15:38 +00:00
parent be9f219e40
commit b3167cbcd7
5 changed files with 166 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

7
Objects/stringlib/fastsearch.h
View file

@ -95,3 +95,10 @@ fastsearch(const STRINGLIB_CHAR* s, Py_ssize_t n,
}
#endif
/*
Local variables:
c-basic-offset: 4
indent-tabs-mode: nil
End:
*/

62
Objects/stringlib/partition.h
View file

@ -5,7 +5,7 @@
Py_LOCAL(PyObject*)
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* sep_obj, const STRINGLIB_CHAR* sep, Py_ssize_t sep_len)
{
PyObject* out;
Py_ssize_t pos;
@ -45,4 +45,64 @@ partition(PyObject* str_obj, const STRINGLIB_CHAR* str, Py_ssize_t str_len,
return out;
}
Py_LOCAL(PyObject*)
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;
/* XXX - create reversefastsearch helper! */
if (sep_len == 0)
pos = str_len;
else {
Py_ssize_t j;
pos = -1;
for (j = str_len - sep_len; j >= 0; --j)
if (STRINGLIB_CMP(str+j, sep, sep_len) == 0) {
pos = j;
break;
}
}
if (pos < 0) {
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);
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;
}
#endif
/*
Local variables:
c-basic-offset: 4
indent-tabs-mode: nil
End:
*/