mirror of https://github.com/python/cpython
Module unicodedata -- Provides access to the Unicode 3.0 data base.
Written by Marc-Andre Lemburg.
This commit is contained in:
Guido van Rossum
parent
e2d67f98d1
commit
2a70a3a8fc
|
|
@ -0,0 +1,269 @@
|
|||
/* ------------------------------------------------------------------------
|
||||
|
||||
unicodedata -- Provides access to the Unicode 3.0 data base.
|
||||
|
||||
Data was extracted from the Unicode 3.0 UnicodeData.txt file.
|
||||
|
||||
Written by Marc-Andre Lemburg (mal@lemburg.com).
|
||||
|
||||
(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
|
||||
|
||||
------------------------------------------------------------------------ */
|
||||
|
||||
#include "Python.h"
|
||||
#include "unicodedatabase.h"
|
||||
|
||||
/* --- Module API --------------------------------------------------------- */
|
||||
|
||||
static PyObject *
|
||||
unicodedata_decimal(PyObject *self,
|
||||
PyObject *args)
|
||||
{
|
||||
PyUnicodeObject *v;
|
||||
PyObject *defobj = NULL;
|
||||
long rc;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "O!|O:decimal",
|
||||
&PyUnicode_Type, &v, &defobj))
|
||||
goto onError;
|
||||
if (PyUnicode_GET_SIZE(v) != 1) {
|
||||
PyErr_SetString(PyExc_TypeError,
|
||||
"need a single Unicode character as parameter");
|
||||
goto onError;
|
||||
}
|
||||
rc = Py_UNICODE_TODECIMAL(*PyUnicode_AS_UNICODE(v));
|
||||
if (rc < 0) {
|
||||
if (defobj == NULL) {
|
||||
PyErr_SetString(PyExc_ValueError,
|
||||
"not a decimal");
|
||||
goto onError;
|
||||
}
|
||||
else {
|
||||
Py_INCREF(defobj);
|
||||
return defobj;
|
||||
}
|
||||
}
|
||||
return PyInt_FromLong(rc);
|
||||
|
||||
onError:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
unicodedata_digit(PyObject *self,
|
||||
PyObject *args)
|
||||
{
|
||||
PyUnicodeObject *v;
|
||||
PyObject *defobj = NULL;
|
||||
long rc;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "O!|O:digit",
|
||||
&PyUnicode_Type, &v, &defobj))
|
||||
goto onError;
|
||||
if (PyUnicode_GET_SIZE(v) != 1) {
|
||||
PyErr_SetString(PyExc_TypeError,
|
||||
"need a single Unicode character as parameter");
|
||||
goto onError;
|
||||
}
|
||||
rc = Py_UNICODE_TODIGIT(*PyUnicode_AS_UNICODE(v));
|
||||
if (rc < 0) {
|
||||
if (defobj == NULL) {
|
||||
PyErr_SetString(PyExc_ValueError,
|
||||
"not a digit");
|
||||
goto onError;
|
||||
}
|
||||
else {
|
||||
Py_INCREF(defobj);
|
||||
return defobj;
|
||||
}
|
||||
}
|
||||
return PyInt_FromLong(rc);
|
||||
|
||||
onError:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
unicodedata_numeric(PyObject *self,
|
||||
PyObject *args)
|
||||
{
|
||||
PyUnicodeObject *v;
|
||||
PyObject *defobj = NULL;
|
||||
double rc;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "O!|O:numeric",
|
||||
&PyUnicode_Type, &v, &defobj))
|
||||
goto onError;
|
||||
if (PyUnicode_GET_SIZE(v) != 1) {
|
||||
PyErr_SetString(PyExc_TypeError,
|
||||
"need a single Unicode character as parameter");
|
||||
goto onError;
|
||||
}
|
||||
rc = Py_UNICODE_TONUMERIC(*PyUnicode_AS_UNICODE(v));
|
||||
if (rc < 0) {
|
||||
if (defobj == NULL) {
|
||||
PyErr_SetString(PyExc_ValueError,
|
||||
"not a numeric character");
|
||||
goto onError;
|
||||
}
|
||||
else {
|
||||
Py_INCREF(defobj);
|
||||
return defobj;
|
||||
}
|
||||
}
|
||||
return PyFloat_FromDouble(rc);
|
||||
|
||||
onError:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
unicodedata_category(PyObject *self,
|
||||
PyObject *args)
|
||||
{
|
||||
PyUnicodeObject *v;
|
||||
int index;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "O!:category",
|
||||
&PyUnicode_Type, &v))
|
||||
goto onError;
|
||||
if (PyUnicode_GET_SIZE(v) != 1) {
|
||||
PyErr_SetString(PyExc_TypeError,
|
||||
"need a single Unicode character as parameter");
|
||||
goto onError;
|
||||
}
|
||||
index = (int)_PyUnicode_Database[(int)*PyUnicode_AS_UNICODE(v)].category;
|
||||
if (index < 0 ||
|
||||
index > sizeof(_PyUnicode_CategoryNames) /
|
||||
sizeof(_PyUnicode_CategoryNames[0])) {
|
||||
PyErr_Format(PyExc_SystemError,
|
||||
"category index out of range: %i",
|
||||
index);
|
||||
goto onError;
|
||||
}
|
||||
return PyString_FromString(_PyUnicode_CategoryNames[index]);
|
||||
|
||||
onError:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
unicodedata_bidirectional(PyObject *self,
|
||||
PyObject *args)
|
||||
{
|
||||
PyUnicodeObject *v;
|
||||
int index;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "O!:bidirectional",
|
||||
&PyUnicode_Type, &v))
|
||||
goto onError;
|
||||
if (PyUnicode_GET_SIZE(v) != 1) {
|
||||
PyErr_SetString(PyExc_TypeError,
|
||||
"need a single Unicode character as parameter");
|
||||
goto onError;
|
||||
}
|
||||
index = (int)_PyUnicode_Database[
|
||||
(int)*PyUnicode_AS_UNICODE(v)].bidirectional;
|
||||
if (index < 0 ||
|
||||
index > sizeof(_PyUnicode_CategoryNames) /
|
||||
sizeof(_PyUnicode_CategoryNames[0])) {
|
||||
PyErr_Format(PyExc_SystemError,
|
||||
"bidirectional index out of range: %i",
|
||||
index);
|
||||
goto onError;
|
||||
}
|
||||
return PyString_FromString(_PyUnicode_BidirectionalNames[index]);
|
||||
|
||||
onError:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
unicodedata_combining(PyObject *self,
|
||||
PyObject *args)
|
||||
{
|
||||
PyUnicodeObject *v;
|
||||
int value;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "O!:combining",
|
||||
&PyUnicode_Type, &v))
|
||||
goto onError;
|
||||
if (PyUnicode_GET_SIZE(v) != 1) {
|
||||
PyErr_SetString(PyExc_TypeError,
|
||||
"need a single Unicode character as parameter");
|
||||
goto onError;
|
||||
}
|
||||
value = (int)_PyUnicode_Database[
|
||||
(int)*PyUnicode_AS_UNICODE(v)].combining;
|
||||
return PyInt_FromLong(value);
|
||||
|
||||
onError:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
unicodedata_mirrored(PyObject *self,
|
||||
PyObject *args)
|
||||
{
|
||||
PyUnicodeObject *v;
|
||||
int value;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "O!:mirrored",
|
||||
&PyUnicode_Type, &v))
|
||||
goto onError;
|
||||
if (PyUnicode_GET_SIZE(v) != 1) {
|
||||
PyErr_SetString(PyExc_TypeError,
|
||||
"need a single Unicode character as parameter");
|
||||
goto onError;
|
||||
}
|
||||
value = (int)_PyUnicode_Database[(int)*PyUnicode_AS_UNICODE(v)].mirrored;
|
||||
return PyInt_FromLong(value);
|
||||
|
||||
onError:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
unicodedata_decomposition(PyObject *self,
|
||||
PyObject *args)
|
||||
{
|
||||
PyUnicodeObject *v;
|
||||
const char *value;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "O!:decomposition",
|
||||
&PyUnicode_Type, &v))
|
||||
goto onError;
|
||||
if (PyUnicode_GET_SIZE(v) != 1) {
|
||||
PyErr_SetString(PyExc_TypeError,
|
||||
"need a single Unicode character as parameter");
|
||||
goto onError;
|
||||
}
|
||||
value = _PyUnicode_Database[(int)*PyUnicode_AS_UNICODE(v)].decomposition;
|
||||
if (value == NULL)
|
||||
return PyString_FromString("");
|
||||
else
|
||||
return PyString_FromString(value);
|
||||
|
||||
onError:
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* XXX Add doc strings. */
|
||||
|
||||
static PyMethodDef unicodedata_functions[] = {
|
||||
{"decimal", unicodedata_decimal, 1},
|
||||
{"digit", unicodedata_digit, 1},
|
||||
{"numeric", unicodedata_numeric, 1},
|
||||
{"category", unicodedata_category, 1},
|
||||
{"bidirectional", unicodedata_bidirectional, 1},
|
||||
{"combining", unicodedata_combining, 1},
|
||||
{"mirrored", unicodedata_mirrored, 1},
|
||||
{"decomposition", unicodedata_decomposition, 1},
|
||||
{NULL, NULL} /* sentinel */
|
||||
};
|
||||
|
||||
DL_EXPORT(void)
|
||||
initunicodedata()
|
||||
{
|
||||
Py_InitModule("unicodedata", unicodedata_functions);
|
||||
}
|
||||
Loading…
Reference in New Issue