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Added new .isalpha() and .isalnum() methods which provide interfaces 

to the new alphabetic lookup APIs in unicodectype.c.
This commit is contained in:
Marc-André Lemburg 2000-07-05 09:49:44 +00:00
parent f3938f55c7
commit a7acf425f6
1 changed files with 66 additions and 0 deletions
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66
Objects/unicodeobject.c
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@ -3588,6 +3588,70 @@ unicode_isspace(PyUnicodeObject *self, PyObject *args)
return PyInt_FromLong(1);
}
static char isalpha__doc__[] =
"S.isalpha() -> int\n\
\n\
Return 1 if all characters in S are alphabetic\n\
and there is at least one character in S, 0 otherwise.";
static PyObject*
unicode_isalpha(PyUnicodeObject *self, PyObject *args)
{
register const Py_UNICODE *p = PyUnicode_AS_UNICODE(self);
register const Py_UNICODE *e;
if (!PyArg_NoArgs(args))
return NULL;
/* Shortcut for single character strings */
if (PyUnicode_GET_SIZE(self) == 1 &&
Py_UNICODE_ISALPHA(*p))
return PyInt_FromLong(1);
/* Special case for empty strings */
if (PyString_GET_SIZE(self) == 0)
return PyInt_FromLong(0);
e = p + PyUnicode_GET_SIZE(self);
for (; p < e; p++) {
if (!Py_UNICODE_ISALPHA(*p))
return PyInt_FromLong(0);
}
return PyInt_FromLong(1);
}
static char isalnum__doc__[] =
"S.isalnum() -> int\n\
\n\
Return 1 if all characters in S are alphanumeric\n\
and there is at least one character in S, 0 otherwise.";
static PyObject*
unicode_isalnum(PyUnicodeObject *self, PyObject *args)
{
register const Py_UNICODE *p = PyUnicode_AS_UNICODE(self);
register const Py_UNICODE *e;
if (!PyArg_NoArgs(args))
return NULL;
/* Shortcut for single character strings */
if (PyUnicode_GET_SIZE(self) == 1 &&
Py_UNICODE_ISALNUM(*p))
return PyInt_FromLong(1);
/* Special case for empty strings */
if (PyString_GET_SIZE(self) == 0)
return PyInt_FromLong(0);
e = p + PyUnicode_GET_SIZE(self);
for (; p < e; p++) {
if (!Py_UNICODE_ISALNUM(*p))
return PyInt_FromLong(0);
}
return PyInt_FromLong(1);
}
static char isdecimal__doc__[] =
"S.isdecimal() -> int\n\
\n\
@ -4253,6 +4317,8 @@ static PyMethodDef unicode_methods[] = {
{"isdecimal", (PyCFunction) unicode_isdecimal, 0, isdecimal__doc__},
{"isdigit", (PyCFunction) unicode_isdigit, 0, isdigit__doc__},
{"isnumeric", (PyCFunction) unicode_isnumeric, 0, isnumeric__doc__},
{"isalpha", (PyCFunction) unicode_isalpha, 0, isalpha__doc__},
{"isalnum", (PyCFunction) unicode_isalnum, 0, isalnum__doc__},
#if 0
{"zfill", (PyCFunction) unicode_zfill, 1, zfill__doc__},
{"capwords", (PyCFunction) unicode_capwords, 0, capwords__doc__},