1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
# 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 ProtocolHeaderField:
def __init__(self, Size, Value, Mask, Field):
self.Size = Size
self.Value = Value
self.Mask = Mask
self.Field = Field
def UpdateValue(self, expression, auto):
if self.Field.IsReadonly and not auto:
return False
if expression != None:
ret, _ = ExpressionConverter.Verify(self.Field.Format, expression)
if not ret:
return False
self.Value = expression
return True
def UpdateMask(self, expression):
if expression != None:
ret, _ = ExpressionConverter.Verify(self.Field.Format, expression)
if not ret:
return False
self.Mask = expression
return True
def UpdateSize(self):
if self.Size:
return
self.Size = self.Field.Size
|
