# Source code for nacl.encoding

    # Copyright 2013 Donald Stufft and individual contributors
    #
    # 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 __future__ import absolute_import, division, print_function

    import base64
    import binascii

    class RawEncoder(object):

        @staticmethod
        def encode(data):
            return data

        @staticmethod
        def decode(data):
            return data

    class HexEncoder(object):

        @staticmethod
        def encode(data):
            return binascii.hexlify(data)

        @staticmethod
        def decode(data):
            return binascii.unhexlify(data)

    class Base16Encoder(object):

        @staticmethod
        def encode(data):
            return base64.b16encode(data)

        @staticmethod
        def decode(data):
            return base64.b16decode(data)

    class Base32Encoder(object):

        @staticmethod
        def encode(data):
            return base64.b32encode(data)

        @staticmethod
        def decode(data):
            return base64.b32decode(data)

    class Base64Encoder(object):

        @staticmethod
        def encode(data):
            return base64.b64encode(data)

        @staticmethod
        def decode(data):
            return base64.b64decode(data)

    class URLSafeBase64Encoder(object):

        @staticmethod
        def encode(data):
            return base64.urlsafe_b64encode(data)

        @staticmethod
        def decode(data):
            return base64.urlsafe_b64decode(data)

    class Encodable(object):

        def encode(self, encoder=RawEncoder):
            return encoder.encode(bytes(self))