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path: root/extras/packetforge/ProtocolHeaderAttribute.py
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# Copyright (c) 2022 Intel and/or its affiliates.
# 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.

import ExpressionConverter


class ProtocolHeaderAttribute:
    def __init__(self, Size, Value, Attribute):
        self.Size = Size
        self.Value = Value
        self.Attribute = Attribute

    def UpdateValue(self, expression):
        ret, expression = ExpressionConverter.Verify(self.Attribute.Format, expression)
        if not ret:
            return False

        self.Value = expression
        return True