# ***********************************************************************
# Copyright (C) 2018-2022 Blue Brain Project
#
# This file is part of NMODL distributed under the terms of the GNU
# Lesser General Public License. See top-level LICENSE file for details.
# ***********************************************************************

import re


def camel_case_to_underscore(name):
    """convert string from 'AaaBbbbCccDdd' -> 'Aaa_Bbbb_Ccc_Ddd'"""
    s1 = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
    typename = re.sub('([a-z0-9])([A-Z])', r'\1_\2', s1)
    return typename


def to_snake_case(name):
    """convert string from 'AaaBbbbCccDdd' -> 'aaa_bbbb_ccc_ddd'"""
    return camel_case_to_underscore(name).lower()