'Requires:
line -- line to parse
Returns:
nothing
Logic:
Try to add the string of the tab bar to dictionary entry tabs-bar.
If the dictionary entry doesn\'t exist, create one.'

def __tab_bar_func(self, line):

    try:
        self.__styles_dict['par'][self.__styles_num]['tabs'] += ('%s:' % 'bar')
        self.__styles_dict['par'][self.__styles_num]['tabs'] += ('%s;' % line[20:(-1)])
    except KeyError:
        self.__enter_dict_entry('tabs', '')
        self.__styles_dict['par'][self.__styles_num]['tabs'] += ('%s:' % 'bar')
        self.__styles_dict['par'][self.__styles_num]['tabs'] += ('%s;' % line[20:(-1)])
    self.__tab_type = 'left'
