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needforspeed: added rpartition implementation

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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
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36
Objects/stringobject.c
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@ -768,7 +768,10 @@ PyString_AsStringAndSize(register PyObject *obj,
/* stringlib components */
#define STRINGLIB_CHAR char
#define STRINGLIB_NEW PyString_FromStringAndSize
#define STRINGLIB_CMP memcmp
#define STRINGLIB_EMPTY nullstring
#include "stringlib/fastsearch.h"
@ -1530,6 +1533,37 @@ string_partition(PyStringObject *self, PyObject *sep_obj)
);
}
PyDoc_STRVAR(rpartition__doc__,
"S.rpartition(sep) -> (head, sep, tail)\n\
\n\
Searches for the separator sep in S, starting at the end of S, and returns\n\
the part before it, the separator itself, and the part after it. If the\n\
separator is not found, returns S and two empty strings.");
static PyObject *
string_rpartition(PyStringObject *self, PyObject *sep_obj)
{
const char *sep;
Py_ssize_t sep_len;
if (PyString_Check(sep_obj)) {
sep = PyString_AS_STRING(sep_obj);
sep_len = PyString_GET_SIZE(sep_obj);
}
#ifdef Py_USING_UNICODE
else if (PyUnicode_Check(sep_obj))
return PyUnicode_Partition((PyObject *) self, sep_obj);
#endif
else if (PyObject_AsCharBuffer(sep_obj, &sep, &sep_len))
return NULL;
return rpartition(
(PyObject*) self,
PyString_AS_STRING(self), PyString_GET_SIZE(self),
sep_obj, sep, sep_len
);
}
Py_LOCAL(PyObject *)
rsplit_whitespace(const char *s, Py_ssize_t len, Py_ssize_t maxsplit)
{
@ -3810,6 +3844,8 @@ string_methods[] = {
{"rfind", (PyCFunction)string_rfind, METH_VARARGS, rfind__doc__},
{"rindex", (PyCFunction)string_rindex, METH_VARARGS, rindex__doc__},
{"rstrip", (PyCFunction)string_rstrip, METH_VARARGS, rstrip__doc__},
{"rpartition", (PyCFunction)string_rpartition, METH_O,
rpartition__doc__},
{"startswith", (PyCFunction)string_startswith, METH_VARARGS,
startswith__doc__},
{"strip", (PyCFunction)string_strip, METH_VARARGS, strip__doc__},