# Copyright 2021 The casbin Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from casbin import util


class FunctionMap:
    fm = None

    def __init__(self):
        self.fm = dict()

    def add_function(self, name, func):
        self.fm[name] = func

    @staticmethod
    def load_function_map():
        fm = FunctionMap()
        fm.add_function("keyMatch", util.key_match_func)
        fm.add_function("keyMatch2", util.key_match2_func)
        fm.add_function("keyMatch3", util.key_match3_func)
        fm.add_function("keyMatch4", util.key_match4_func)
        fm.add_function("regexMatch", util.regex_match_func)
        fm.add_function("ipMatch", util.ip_match_func)
        fm.add_function("globMatch", util.glob_match_func)

        return fm

    def get_functions(self):
        return self.fm