Coverage for d7a/alp/operands/offset.py: 100%
19 statements
« prev ^ index » next coverage.py v7.5.0, created at 2024-05-24 08:03 +0200
« prev ^ index » next coverage.py v7.5.0, created at 2024-05-24 08:03 +0200
1#
2# Copyright (c) 2015-2021 University of Antwerp, Aloxy NV.
3#
4# This file is part of pyd7a.
5# See https://github.com/Sub-IoT/pyd7a for further info.
6#
7# Licensed under the Apache License, Version 2.0 (the "License");
8# you may not use this file except in compliance with the License.
9# You may obtain a copy of the License at
10#
11# http://www.apache.org/licenses/LICENSE-2.0
12#
13# Unless required by applicable law or agreed to in writing, software
14# distributed under the License is distributed on an "AS IS" BASIS,
15# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16# See the License for the specific language governing permissions and
17# limitations under the License.
18#
19import struct
21from d7a.alp.operands.length import Length
22from d7a.support.schema import Validatable, Types
25class Offset(Validatable):
27 SCHEMA = [
28 {
29 "id" : Types.BYTE(),
30 "offset": Types.OBJECT(Length)
31 }
32 ]
34 def __init__(self, id=0, offset=Length()):
35 self.id = id
36 self.offset = offset
37 super(Offset, self).__init__()
39 @staticmethod
40 def parse(s):
41 id = s.read("uint:8")
42 offset = Length.parse(s)
43 return Offset(id=id, offset=offset)
45 def __iter__(self):
46 yield self.id
47 for byte in self.offset: yield byte
49 def __str__(self):
50 return "file-id={}, offset={}".format(self.id, self.offset)