static PyObject *
typecast_call(PyObject *obj, PyObject *args, PyObject *kwargs)
{
PyObject *string, *cursor;
if (!PyArg_ParseTuple(args, "OO", &string, &cursor)) {
return NULL;
}
return typecast_cast(obj,
PyString_AsString(string), PyString_Size(string),
cursor);
}
static PyObject *
typecast_call(PyObject *obj, PyObject *args, PyObject *kwargs)
{
const char *string;
Py_ssize_t length;
PyObject *cursor;
if (!PyArg_ParseTuple(args, "z#O", &string, &length, &cursor)) {
return NULL;
}
// If the string is not a string but a None value we're being called
// from a Python-defined caster.
if (!string) {
Py_RETURN_NONE;
}
return typecast_cast(obj, string, length, cursor);
}
RAISES_NEG static int
typecast_array_scan(const char *str, Py_ssize_t strlength,
PyObject *curs, PyObject *base, PyObject *array)
{
int state, quotes = 0;
Py_ssize_t length = 0, pos = 0;
char *token;
PyObject *stack[MAX_DIMENSIONS];
size_t stack_index = 0;
while (1) {
token = NULL;
state = typecast_array_tokenize(str, strlength,
&pos, &token, &length, "es);
Dprintf("typecast_array_scan: state = %d,"
" length = " FORMAT_CODE_PY_SSIZE_T ", token = '%s'",
state, length, token);
if (state == ASCAN_TOKEN || state == ASCAN_QUOTED) {
PyObject *obj;
if (!quotes && length == 4
&& (token[0] == 'n' || token[0] == 'N')
&& (token[1] == 'u' || token[1] == 'U')
&& (token[2] == 'l' || token[2] == 'L')
&& (token[3] == 'l' || token[3] == 'L'))
{
obj = typecast_cast(base, NULL, 0, curs);
} else {
obj = typecast_cast(base, token, length, curs);
}
/* before anything else we free the memory */
if (state == ASCAN_QUOTED) PyMem_Free(token);
if (obj == NULL) return -1;
PyList_Append(array, obj);
Py_DECREF(obj);
}
else if (state == ASCAN_BEGIN) {
PyObject *sub = PyList_New(0);
if (sub == NULL) return -1;
PyList_Append(array, sub);
Py_DECREF(sub);
if (stack_index == MAX_DIMENSIONS) {
PyErr_SetString(DataError, "excessive array dimensions");
return -1;
}
stack[stack_index++] = array;
array = sub;
}
else if (state == ASCAN_ERROR) {
return -1;
}
else if (state == ASCAN_END) {
if (stack_index == 0) {
PyErr_SetString(DataError, "unbalanced braces in array");
return -1;
}
array = stack[--stack_index];
}
else if (state == ASCAN_EOF)
break;
}
return 0;
}
