Function Str_like_utf8_count

python/stringzilla.c:4462–4490

    "  1";

static PyObject *Str_like_utf8_count(PyObject *self, PyObject *const *args, Py_ssize_t positional_args_count,
                                     PyObject *args_names_tuple) {
    // Check minimum arguments
    int is_member = self != NULL && PyObject_TypeCheck(self, &StrType);
    Py_ssize_t min_args = !is_member;
    Py_ssize_t max_args = !is_member;
    if (positional_args_count < min_args || positional_args_count > max_args) {
        PyErr_Format(PyExc_TypeError, "utf8_count() takes exactly %zd argument(s)", min_args);
        return NULL;
    }

    // No keyword arguments expected
    if (args_names_tuple && PyTuple_GET_SIZE(args_names_tuple) > 0) {
        PyErr_SetString(PyExc_TypeError, "utf8_count() takes no keyword arguments");
        return NULL;
    }

    PyObject *text_obj = is_member ? self : args[0];
    sz_string_view_t text;

    // Validate and convert `text`
    if (!sz_py_export_string_like(text_obj, &text.start, &text.length)) {
        wrap_current_exception("The text argument must be string-like");
        return NULL;
    }

    sz_size_t count = sz_utf8_count(text.start, text.length);
    return PyLong_FromSize_t(count);
}

static char const doc_utf8_splitlines_iter[] = //
    "Create an iterator for splitting a string by Unicode newline characters.\n"