static int
PyUnits_init(
PyUnits* self,
PyObject* args,
PyObject* kwds) {
int status = -1;
char* have;
char* want;
char* ctrl_str = NULL;
int ctrl = 0;
const char* keywords[] = {"have", "want", "translate_units", NULL};
struct wcserr* err = NULL;
if (!PyArg_ParseTupleAndKeywords(args, kwds, "ss|s:UnitConverter.__init__",
(char **)keywords, &have, &want,
&ctrl_str)) {
goto exit;
}
if (ctrl_str != NULL) {
if (parse_unsafe_unit_conversion_spec(ctrl_str, &ctrl)) {
goto exit;
}
}
/* Copy the strings since we can't have wcslib monkeying with the
data in a Python string */
strncpy(self->have, have, 80);
strncpy(self->want, want, 80);
status = wcsutrne(ctrl, self->have, &err);
if (status != -1 && status != 0) {
goto exit;
}
status = wcsutrne(ctrl, self->want, &err);
if (status != -1 && status != 0) {
goto exit;
}
status = wcsunitse(self->have, self->want,
&self->scale, &self->offset, &self->power, &err);
exit:
if (PyErr_Occurred()) {
return -1;
} else if (status == 0) {
return 0;
} else {
wcserr_units_to_python_exc(err);
free(err);
return -1;
}
}
int unitfix(int ctrl, struct wcsprm *wcs)
{
int i, k, status = FIXERR_NO_CHANGE;
char orig_unit[80], msg[WCSERR_MSG_LENGTH];
const char *function = "unitfix";
struct wcserr **err;
if (wcs == 0x0) return FIXERR_NULL_POINTER;
err = &(wcs->err);
strcpy(msg, "Changed units: ");
for (i = 0; i < wcs->naxis; i++) {
strncpy(orig_unit, wcs->cunit[i], 80);
if (wcsutrne(ctrl, wcs->cunit[i], &(wcs->err)) == 0) {
k = strlen(msg);
sprintf(msg+k, "'%s' -> '%s', ", orig_unit, wcs->cunit[i]);
status = FIXERR_UNITS_ALIAS;
}
}
if (status == FIXERR_UNITS_ALIAS) {
k = strlen(msg) - 2;
msg[k] = '\0';
wcserr_set(WCSERR_SET(FIXERR_UNITS_ALIAS), msg);
status = FIXERR_SUCCESS;
}
return status;
}
int unitfix(int ctrl, struct wcsprm *wcs)
{
int i, status = FIXERR_NO_CHANGE;
if (wcs == 0x0) return FIXERR_NULL_POINTER;
for (i = 0; i < wcs->naxis; i++) {
if (wcsutrne(ctrl, wcs->cunit[i], &(wcs->err)) == 0) {
status = FIXERR_SUCCESS;
}
}
return status;
}
int unitfix(int ctrl, struct wcsprm *wcs)
{
int i, k, result, status = FIXERR_NO_CHANGE;
char orig_unit[80], msg[WCSERR_MSG_LENGTH], msgtmp[WCSERR_MSG_LENGTH];
const char *function = "unitfix";
struct wcserr **err;
if (wcs == 0x0) return FIXERR_NULL_POINTER;
err = &(wcs->err);
strncpy(msg, "Changed units: ", WCSERR_MSG_LENGTH);
for (i = 0; i < wcs->naxis; i++) {
strncpy(orig_unit, wcs->cunit[i], 80);
result = wcsutrne(ctrl, wcs->cunit[i], &(wcs->err));
if (result == 0 || result == 12) {
k = strlen(msg);
if (k < WCSERR_MSG_LENGTH-1) {
wcsutil_null_fill(80, orig_unit);
sprintf(msgtmp, "'%s' -> '%s', ", orig_unit, wcs->cunit[i]);
strncpy(msg+k, msgtmp, WCSERR_MSG_LENGTH-1-k);
status = FIXERR_UNITS_ALIAS;
}
}
}
if (status == FIXERR_UNITS_ALIAS) {
/* Chop off the trailing ", ". */
k = strlen(msg) - 2;
msg[k] = '\0';
wcserr_set(WCSERR_SET(FIXERR_UNITS_ALIAS), msg);
status = 0;
}
return status;
}
int wcsutrn(int ctrl, char unitstr[])
{
return wcsutrne(ctrl, unitstr, 0x0);
}