diff options
| author | Xusheng <xusheng@vector35.com> | 2021-07-01 12:34:30 +0800 |
|---|---|---|
| committer | Xusheng Li <xushengli@protonmail.com> | 2021-07-05 10:11:47 +0800 |
| commit | 13ff200ba134b8704f37eca99c42b70dab0d17dc (patch) | |
| tree | 876b3db3c53f704b31152aeaede1f2edc9d27b24 /python/examples/kaitai/lzh.py | |
| parent | 4039a800349dcd587833d3e27d9137e4649818f4 (diff) | |
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/lzh.py')
| -rw-r--r-- | python/examples/kaitai/lzh.py | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/python/examples/kaitai/lzh.py b/python/examples/kaitai/lzh.py deleted file mode 100644 index 3853a19d..00000000 --- a/python/examples/kaitai/lzh.py +++ /dev/null @@ -1,160 +0,0 @@ -# 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 -import collections - - -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 Lzh(KaitaiStruct): - """LHA (LHarc, LZH) is a file format used by a popular freeware - eponymous archiver, created in 1988 by Haruyasu Yoshizaki. Over the - years, many ports and implementations were developed, sporting many - extensions to original 1988 LZH. - - File format is pretty simple and essentially consists of a stream of - records. - """ - SEQ_FIELDS = ["entries"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['entries']['start'] = self._io.pos() - self.entries = [] - i = 0 - while not self._io.is_eof(): - if not 'arr' in self._debug['entries']: - self._debug['entries']['arr'] = [] - self._debug['entries']['arr'].append({'start': self._io.pos()}) - _t_entries = self._root.Record(self._io, self, self._root) - _t_entries._read() - self.entries.append(_t_entries) - self._debug['entries']['arr'][len(self.entries) - 1]['end'] = self._io.pos() - i += 1 - - self._debug['entries']['end'] = self._io.pos() - - class Record(KaitaiStruct): - SEQ_FIELDS = ["header_len", "file_record"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['header_len']['start'] = self._io.pos() - self.header_len = self._io.read_u1() - self._debug['header_len']['end'] = self._io.pos() - if self.header_len > 0: - self._debug['file_record']['start'] = self._io.pos() - self.file_record = self._root.FileRecord(self._io, self, self._root) - self.file_record._read() - self._debug['file_record']['end'] = self._io.pos() - - - - class FileRecord(KaitaiStruct): - SEQ_FIELDS = ["header", "file_uncompr_crc16", "body"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['header']['start'] = self._io.pos() - self._raw_header = self._io.read_bytes((self._parent.header_len - 1)) - io = KaitaiStream(BytesIO(self._raw_header)) - self.header = self._root.Header(io, self, self._root) - self.header._read() - self._debug['header']['end'] = self._io.pos() - if self.header.header1.lha_level == 0: - self._debug['file_uncompr_crc16']['start'] = self._io.pos() - self.file_uncompr_crc16 = self._io.read_u2le() - self._debug['file_uncompr_crc16']['end'] = self._io.pos() - - self._debug['body']['start'] = self._io.pos() - self.body = self._io.read_bytes(self.header.header1.file_size_compr) - self._debug['body']['end'] = self._io.pos() - - - class Header(KaitaiStruct): - SEQ_FIELDS = ["header1", "filename_len", "filename", "file_uncompr_crc16", "os", "ext_header_size"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['header1']['start'] = self._io.pos() - self.header1 = self._root.Header1(self._io, self, self._root) - self.header1._read() - self._debug['header1']['end'] = self._io.pos() - if self.header1.lha_level == 0: - self._debug['filename_len']['start'] = self._io.pos() - self.filename_len = self._io.read_u1() - self._debug['filename_len']['end'] = self._io.pos() - - if self.header1.lha_level == 0: - self._debug['filename']['start'] = self._io.pos() - self.filename = (self._io.read_bytes(self.filename_len)).decode(u"ASCII") - self._debug['filename']['end'] = self._io.pos() - - if self.header1.lha_level == 2: - self._debug['file_uncompr_crc16']['start'] = self._io.pos() - self.file_uncompr_crc16 = self._io.read_u2le() - self._debug['file_uncompr_crc16']['end'] = self._io.pos() - - if self.header1.lha_level == 2: - self._debug['os']['start'] = self._io.pos() - self.os = self._io.read_u1() - self._debug['os']['end'] = self._io.pos() - - if self.header1.lha_level == 2: - self._debug['ext_header_size']['start'] = self._io.pos() - self.ext_header_size = self._io.read_u2le() - self._debug['ext_header_size']['end'] = self._io.pos() - - - - class Header1(KaitaiStruct): - SEQ_FIELDS = ["header_checksum", "method_id", "file_size_compr", "file_size_uncompr", "file_timestamp", "attr", "lha_level"] - def __init__(self, _io, _parent=None, _root=None): - self._io = _io - self._parent = _parent - self._root = _root if _root else self - self._debug = collections.defaultdict(dict) - - def _read(self): - self._debug['header_checksum']['start'] = self._io.pos() - self.header_checksum = self._io.read_u1() - self._debug['header_checksum']['end'] = self._io.pos() - self._debug['method_id']['start'] = self._io.pos() - self.method_id = (self._io.read_bytes(5)).decode(u"ASCII") - self._debug['method_id']['end'] = self._io.pos() - self._debug['file_size_compr']['start'] = self._io.pos() - self.file_size_compr = self._io.read_u4le() - self._debug['file_size_compr']['end'] = self._io.pos() - self._debug['file_size_uncompr']['start'] = self._io.pos() - self.file_size_uncompr = self._io.read_u4le() - self._debug['file_size_uncompr']['end'] = self._io.pos() - self._debug['file_timestamp']['start'] = self._io.pos() - self.file_timestamp = self._io.read_u4le() - self._debug['file_timestamp']['end'] = self._io.pos() - self._debug['attr']['start'] = self._io.pos() - self.attr = self._io.read_u1() - self._debug['attr']['end'] = self._io.pos() - self._debug['lha_level']['start'] = self._io.pos() - self.lha_level = self._io.read_u1() - self._debug['lha_level']['end'] = self._io.pos() - - - |
