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Batuhan Osman TASKAYA
cpython
Commits
b3167cbc
Kaydet (Commit)
b3167cbc
authored
May 26, 2006
tarafından
Fredrik Lundh
Dosyalara gözat
Seçenekler
Dosyalara Gözat
İndir
Eposta Yamaları
Sade Fark
needforspeed: added rpartition implementation
üst
be9f219e
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Showing
5 changed files
with
165 additions
and
1 deletion
+165
-1
unicodeobject.h
Include/unicodeobject.h
+12
-1
fastsearch.h
Objects/stringlib/fastsearch.h
+7
-0
partition.h
Objects/stringlib/partition.h
+60
-0
stringobject.c
Objects/stringobject.c
+36
-0
unicodeobject.c
Objects/unicodeobject.c
+50
-0
No files found.
Include/unicodeobject.h
Dosyayı görüntüle @
b3167cbc
...
...
@@ -185,11 +185,12 @@ typedef PY_UNICODE_TYPE Py_UNICODE;
# define PyUnicode_GetSize PyUnicodeUCS2_GetSize
# define PyUnicode_Join PyUnicodeUCS2_Join
# define PyUnicode_Partition PyUnicodeUCS2_Partition
# define PyUnicode_RPartition PyUnicodeUCS2_RPartition
# define PyUnicode_RSplit PyUnicodeUCS2_RSplit
# define PyUnicode_Replace PyUnicodeUCS2_Replace
# define PyUnicode_Resize PyUnicodeUCS2_Resize
# define PyUnicode_SetDefaultEncoding PyUnicodeUCS2_SetDefaultEncoding
# define PyUnicode_Split PyUnicodeUCS2_Split
# define PyUnicode_RSplit PyUnicodeUCS2_RSplit
# define PyUnicode_Splitlines PyUnicodeUCS2_Splitlines
# define PyUnicode_Tailmatch PyUnicodeUCS2_Tailmatch
# define PyUnicode_Translate PyUnicodeUCS2_Translate
...
...
@@ -261,6 +262,8 @@ typedef PY_UNICODE_TYPE Py_UNICODE;
# define PyUnicode_GetSize PyUnicodeUCS4_GetSize
# define PyUnicode_Join PyUnicodeUCS4_Join
# define PyUnicode_Partition PyUnicodeUCS4_Partition
# define PyUnicode_RPartition PyUnicodeUCS4_RPartition
# define PyUnicode_RSplit PyUnicodeUCS4_RSplit
# define PyUnicode_Replace PyUnicodeUCS4_Replace
# define PyUnicode_Resize PyUnicodeUCS4_Resize
# define PyUnicode_SetDefaultEncoding PyUnicodeUCS4_SetDefaultEncoding
...
...
@@ -1027,6 +1030,14 @@ PyAPI_FUNC(PyObject*) PyUnicode_Partition(
PyObject
*
sep
/* String separator */
);
/* Partition a string using a given separator, searching from the end of the
string. */
PyAPI_FUNC
(
PyObject
*
)
PyUnicode_RPartition
(
PyObject
*
s
,
/* String to partition */
PyObject
*
sep
/* String separator */
);
/* Split a string giving a list of Unicode strings.
If sep is NULL, splitting will be done at all whitespace
...
...
Objects/stringlib/fastsearch.h
Dosyayı görüntüle @
b3167cbc
...
...
@@ -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:
*/
Objects/stringlib/partition.h
Dosyayı görüntüle @
b3167cbc
...
...
@@ -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:
*/
Objects/stringobject.c
Dosyayı görüntüle @
b3167cbc
...
...
@@ -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__
},
...
...
Objects/unicodeobject.c
Dosyayı görüntüle @
b3167cbc
...
...
@@ -3858,6 +3858,14 @@ int PyUnicode_EncodeDecimal(Py_UNICODE *s,
#define STRINGLIB_NEW PyUnicode_FromUnicode
Py_LOCAL
(
int
)
STRINGLIB_CMP
(
const
Py_UNICODE
*
str
,
const
Py_UNICODE
*
other
,
Py_ssize_t
len
)
{
if
(
str
[
0
]
==
other
[
0
])
return
0
;
return
memcmp
((
void
*
)
str
,
(
void
*
)
other
,
len
*
sizeof
(
Py_UNICODE
));
}
#define STRINGLIB_EMPTY unicode_empty
#include "stringlib/fastsearch.h"
...
...
@@ -6225,6 +6233,34 @@ PyUnicode_Partition(PyObject *str_in, PyObject *sep_in)
return
out
;
}
PyObject
*
PyUnicode_RPartition
(
PyObject
*
str_in
,
PyObject
*
sep_in
)
{
PyObject
*
str_obj
;
PyObject
*
sep_obj
;
PyObject
*
out
;
str_obj
=
PyUnicode_FromObject
(
str_in
);
if
(
!
str_obj
)
return
NULL
;
sep_obj
=
PyUnicode_FromObject
(
sep_in
);
if
(
!
sep_obj
)
{
Py_DECREF
(
str_obj
);
return
NULL
;
}
out
=
rpartition
(
str_obj
,
PyUnicode_AS_UNICODE
(
str_obj
),
PyUnicode_GET_SIZE
(
str_obj
),
sep_obj
,
PyUnicode_AS_UNICODE
(
sep_obj
),
PyUnicode_GET_SIZE
(
sep_obj
)
);
Py_DECREF
(
sep_obj
);
Py_DECREF
(
str_obj
);
return
out
;
}
PyDoc_STRVAR
(
partition__doc__
,
"S.partition(sep) -> (head, sep, tail)
\n
\
\n
\
...
...
@@ -6238,6 +6274,19 @@ unicode_partition(PyUnicodeObject *self, PyObject *separator)
return
PyUnicode_Partition
((
PyObject
*
)
self
,
separator
);
}
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
*
unicode_rpartition
(
PyUnicodeObject
*
self
,
PyObject
*
separator
)
{
return
PyUnicode_RPartition
((
PyObject
*
)
self
,
separator
);
}
PyObject
*
PyUnicode_RSplit
(
PyObject
*
s
,
PyObject
*
sep
,
Py_ssize_t
maxsplit
)
...
...
@@ -6502,6 +6551,7 @@ static PyMethodDef unicode_methods[] = {
{
"rindex"
,
(
PyCFunction
)
unicode_rindex
,
METH_VARARGS
,
rindex__doc__
},
{
"rjust"
,
(
PyCFunction
)
unicode_rjust
,
METH_VARARGS
,
rjust__doc__
},
{
"rstrip"
,
(
PyCFunction
)
unicode_rstrip
,
METH_VARARGS
,
rstrip__doc__
},
{
"rpartition"
,
(
PyCFunction
)
unicode_rpartition
,
METH_O
,
rpartition__doc__
},
{
"splitlines"
,
(
PyCFunction
)
unicode_splitlines
,
METH_VARARGS
,
splitlines__doc__
},
{
"strip"
,
(
PyCFunction
)
unicode_strip
,
METH_VARARGS
,
strip__doc__
},
{
"swapcase"
,
(
PyCFunction
)
unicode_swapcase
,
METH_NOARGS
,
swapcase__doc__
},
...
...
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