Created
November 1, 2019 15:27
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from unittest import TestCase | |
from tlv_debugging import TlvDebugging | |
class TestHeaderObj(TestCase): | |
def test_read(self): | |
tlv = TlvDebugging.from_bytes(bytearray([0x69, 0x01, 0x01, 0x5F, 0x00])) | |
assert tlv.file_hdr0[0].tag == 105 | |
assert tlv.file_hdr0[0].length == 1 | |
assert tlv.file_hdr0[0].body == False | |
assert tlv.file_hdr0[1].tag == 95 | |
assert tlv.file_hdr0[1].length == 0 |
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meta: | |
id: tlv_debugging | |
file-extension: hex | |
endian: le | |
encoding: ascii | |
seq: | |
- id: file_hdr0 | |
type: header_obj | |
repeat: until | |
repeat-until: _.length == 0 | |
types: | |
header_obj: | |
seq: | |
- id: tag | |
type: u1 | |
- id: multi_byte_len_flag | |
type: b1 | |
- id: length | |
type: b7 | |
- id: body | |
size: length | |
type: | |
switch-on: tag | |
cases: | |
95: tb | |
105: b1 | |
types: | |
tb: | |
seq: | |
- id: no_value | |
size: 0 | |
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# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild | |
from pkg_resources import parse_version | |
from kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO | |
if parse_version(ks_version) < parse_version('0.7'): | |
raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) | |
class TlvDebugging(KaitaiStruct): | |
def __init__(self, _io, _parent=None, _root=None): | |
self._io = _io | |
self._parent = _parent | |
self._root = _root if _root else self | |
self._read() | |
def _read(self): | |
self.file_hdr0 = [] | |
i = 0 | |
while True: | |
_ = self._root.HeaderObj(self._io, self, self._root) | |
self.file_hdr0.append(_) | |
if _.length == 0: | |
break | |
i += 1 | |
class HeaderObj(KaitaiStruct): | |
def __init__(self, _io, _parent=None, _root=None): | |
self._io = _io | |
self._parent = _parent | |
self._root = _root if _root else self | |
self._read() | |
def _read(self): | |
self.tag = self._io.read_u1() | |
self.multi_byte_len_flag = self._io.read_bits_int(1) != 0 | |
self.length = self._io.read_bits_int(7) | |
self._io.align_to_byte() | |
_on = self.tag | |
if _on == 95: | |
self._raw_body = self._io.read_bytes(self.length) | |
io = KaitaiStream(BytesIO(self._raw_body)) | |
self.body = self._root.HeaderObj.Tb(io, self, self._root) | |
elif _on == 105: | |
self.body = self._io.read_bits_int(1) != 0 | |
else: | |
self.body = self._io.read_bytes(self.length) | |
class Tb(KaitaiStruct): | |
def __init__(self, _io, _parent=None, _root=None): | |
self._io = _io | |
self._parent = _parent | |
self._root = _root if _root else self | |
self._read() | |
def _read(self): | |
self.no_value = self._io.read_bytes(0) | |
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