# -*- coding: utf-8 -*-

from vsg.token import port_clause as token
from vsg.vhdlFile import utils
from vsg.vhdlFile.classify import port_list


def detect(iToken, lObjects):
    """
    port_clause ::=
        port ( port_list ) ;
    """

    if utils.are_next_consecutive_tokens(["port", "("], iToken, lObjects):
        return classify(iToken, lObjects)
    return iToken


def classify(iToken, lObjects):
    iCurrent = utils.assign_next_token_required("port", token.port_keyword, iToken, lObjects)
    iCurrent = utils.assign_next_token_required("(", token.open_parenthesis, iCurrent, lObjects)

    iCurrent = port_list.classify(iCurrent, lObjects)

    iCurrent = utils.assign_next_token_required(")", token.close_parenthesis, iCurrent, lObjects)
    iCurrent = utils.assign_next_token_required(";", token.semicolon, iCurrent, lObjects)

    return iCurrent
