diff options
| -rw-r--r-- | Objects/unicodeobject.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c index 59824c65f9..78ab5eaf90 100644 --- a/Objects/unicodeobject.c +++ b/Objects/unicodeobject.c @@ -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__}, |