Staging
v0.8.1
v0.8.1
https://github.com/python/cpython
Tip revision: 1da43e5e916949c8e849e656d9d05fa4b9d6836c authored by Benjamin Peterson on 26 June 2009, 13:21:52 UTC
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
Tip revision: 1da43e5
partition.h
/* stringlib: partition implementation */
#ifndef STRINGLIB_PARTITION_H
#define STRINGLIB_PARTITION_H
#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, FAST_SEARCH);
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;
}
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, j;
if (sep_len == 0) {
PyErr_SetString(PyExc_ValueError, "empty separator");
return NULL;
}
out = PyTuple_New(3);
if (!out)
return NULL;
/* XXX - create reversefastsearch helper! */
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(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);
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:
*/