Method JSArrayProxy_index

src/JSArrayProxy.cc:986–1042

}

PyObject *JSArrayProxyMethodDefinitions::JSArrayProxy_index(JSArrayProxy *self, PyObject *const *args, Py_ssize_t nargs) {
  PyObject *value;
  Py_ssize_t start = 0;
  Py_ssize_t stop = PY_SSIZE_T_MAX;

  if (!_PyArg_CheckPositional("index", nargs, 1, 3)) {
    return NULL;
  }
  value = args[0];
  if (nargs < 2) {
    goto skip_optional;
  }
  if (!_PyEval_SliceIndexNotNone(args[1], &start)) {
    return NULL;
  }
  if (nargs < 3) {
    goto skip_optional;
  }
  if (!_PyEval_SliceIndexNotNone(args[2], &stop)) {
    return NULL;
  }

skip_optional:
  Py_ssize_t selfSize = JSArrayProxy_length(self);

  if (start < 0) {
    start += selfSize;
    if (start < 0) {
      start = 0;
    }
  }
  if (stop < 0) {
    stop += selfSize;
    if (stop < 0) {
      stop = 0;
    }
  }

  JS::RootedValue elementVal(GLOBAL_CX);
  for (Py_ssize_t index = start; index < stop && index < selfSize; index++) {
    JS_GetElement(GLOBAL_CX, *(self->jsArray), index, &elementVal);
    PyObject *obj = pyTypeFactory(GLOBAL_CX, elementVal);
    Py_INCREF(obj);
    int cmp = PyObject_RichCompareBool(obj, value, Py_EQ);
    Py_DECREF(obj);
    Py_DECREF(obj);
    if (cmp > 0) {
      return PyLong_FromSsize_t(index);
    }
    else if (cmp < 0) {
      return NULL;
    }
  }

  PyErr_Format(PyExc_ValueError, "%R is not in list", value);
  return NULL;
}