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/apple_single_double.py | |
| parent | 4039a800349dcd587833d3e27d9137e4649818f4 (diff) | |
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/apple_single_double.py')
| -rw-r--r-- | python/examples/kaitai/apple_single_double.py | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/python/examples/kaitai/apple_single_double.py b/python/examples/kaitai/apple_single_double.py deleted file mode 100644 index b2c05d8f..00000000 --- a/python/examples/kaitai/apple_single_double.py +++ /dev/null @@ -1,179 +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 -from enum import Enum -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 AppleSingleDouble(KaitaiStruct): - """AppleSingle and AppleDouble files are used by certain Mac - applications (e.g. Finder) to store Mac-specific file attributes on - filesystems that do not support that. - - Syntactically, both formats are the same, the only difference is how - they are being used: - - * AppleSingle means that only one file will be created on external - filesystem that will hold both the data (AKA "data fork" in Apple - terminology), and the attributes (AKA "resource fork"). - * AppleDouble means that two files will be created: a normal file - that keeps the data ("data fork") is kept separately from an - auxiliary file that contains attributes ("resource fork"), which - is kept with the same name, but starting with an extra dot and - underscore `._` to keep it hidden. - - In modern practice (Mac OS X), Finder only uses AppleDouble to keep - compatibility with other OSes, as virtually nobody outside of Mac - understands how to access data in AppleSingle container. - - .. seealso:: - Source - http://kaiser-edv.de/documents/AppleSingle_AppleDouble.pdf - """ - - class FileType(Enum): - apple_single = 333312 - apple_double = 333319 - SEQ_FIELDS = ["magic", "version", "reserved", "num_entries", "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['magic']['start'] = self._io.pos() - self.magic = KaitaiStream.resolve_enum(self._root.FileType, self._io.read_u4be()) - self._debug['magic']['end'] = self._io.pos() - self._debug['version']['start'] = self._io.pos() - self.version = self._io.read_u4be() - self._debug['version']['end'] = self._io.pos() - self._debug['reserved']['start'] = self._io.pos() - self.reserved = self._io.read_bytes(16) - self._debug['reserved']['end'] = self._io.pos() - self._debug['num_entries']['start'] = self._io.pos() - self.num_entries = self._io.read_u2be() - self._debug['num_entries']['end'] = self._io.pos() - self._debug['entries']['start'] = self._io.pos() - self.entries = [None] * (self.num_entries) - for i in range(self.num_entries): - if not 'arr' in self._debug['entries']: - self._debug['entries']['arr'] = [] - self._debug['entries']['arr'].append({'start': self._io.pos()}) - _t_entries = self._root.Entry(self._io, self, self._root) - _t_entries._read() - self.entries[i] = _t_entries - self._debug['entries']['arr'][i]['end'] = self._io.pos() - - self._debug['entries']['end'] = self._io.pos() - - class Entry(KaitaiStruct): - - class Types(Enum): - data_fork = 1 - resource_fork = 2 - real_name = 3 - comment = 4 - icon_bw = 5 - icon_color = 6 - file_dates_info = 8 - finder_info = 9 - macintosh_file_info = 10 - prodos_file_info = 11 - msdos_file_info = 12 - afp_short_name = 13 - afp_file_info = 14 - afp_directory_id = 15 - SEQ_FIELDS = ["type", "ofs_body", "len_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['type']['start'] = self._io.pos() - self.type = KaitaiStream.resolve_enum(self._root.Entry.Types, self._io.read_u4be()) - self._debug['type']['end'] = self._io.pos() - self._debug['ofs_body']['start'] = self._io.pos() - self.ofs_body = self._io.read_u4be() - self._debug['ofs_body']['end'] = self._io.pos() - self._debug['len_body']['start'] = self._io.pos() - self.len_body = self._io.read_u4be() - self._debug['len_body']['end'] = self._io.pos() - - @property - def body(self): - if hasattr(self, '_m_body'): - return self._m_body if hasattr(self, '_m_body') else None - - _pos = self._io.pos() - self._io.seek(self.ofs_body) - self._debug['_m_body']['start'] = self._io.pos() - _on = self.type - if _on == self._root.Entry.Types.finder_info: - self._raw__m_body = self._io.read_bytes(self.len_body) - io = KaitaiStream(BytesIO(self._raw__m_body)) - self._m_body = self._root.FinderInfo(io, self, self._root) - self._m_body._read() - else: - self._m_body = self._io.read_bytes(self.len_body) - self._debug['_m_body']['end'] = self._io.pos() - self._io.seek(_pos) - return self._m_body if hasattr(self, '_m_body') else None - - - class FinderInfo(KaitaiStruct): - """Information specific to Finder. - - .. seealso:: - older Inside Macintosh, Volume II page 84 or Volume IV page 104. - """ - SEQ_FIELDS = ["file_type", "file_creator", "flags", "location", "folder_id"] - 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['file_type']['start'] = self._io.pos() - self.file_type = self._io.read_bytes(4) - self._debug['file_type']['end'] = self._io.pos() - self._debug['file_creator']['start'] = self._io.pos() - self.file_creator = self._io.read_bytes(4) - self._debug['file_creator']['end'] = self._io.pos() - self._debug['flags']['start'] = self._io.pos() - self.flags = self._io.read_u2be() - self._debug['flags']['end'] = self._io.pos() - self._debug['location']['start'] = self._io.pos() - self.location = self._root.Point(self._io, self, self._root) - self.location._read() - self._debug['location']['end'] = self._io.pos() - self._debug['folder_id']['start'] = self._io.pos() - self.folder_id = self._io.read_u2be() - self._debug['folder_id']['end'] = self._io.pos() - - - class Point(KaitaiStruct): - """Specifies 2D coordinate in QuickDraw grid.""" - SEQ_FIELDS = ["x", "y"] - 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['x']['start'] = self._io.pos() - self.x = self._io.read_u2be() - self._debug['x']['end'] = self._io.pos() - self._debug['y']['start'] = self._io.pos() - self.y = self._io.read_u2be() - self._debug['y']['end'] = self._io.pos() - - - |
