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authorXusheng <xusheng@vector35.com>2021-07-01 12:34:30 +0800
committerXusheng Li <xushengli@protonmail.com>2021-07-05 10:11:47 +0800
commit13ff200ba134b8704f37eca99c42b70dab0d17dc (patch)
tree876b3db3c53f704b31152aeaede1f2edc9d27b24 /python/examples/kaitai/tr_dos_image.py
parent4039a800349dcd587833d3e27d9137e4649818f4 (diff)
Remove snippet and kaitai plugin. Note their individual links.
Diffstat (limited to 'python/examples/kaitai/tr_dos_image.py')
-rw-r--r--python/examples/kaitai/tr_dos_image.py317
1 files changed, 0 insertions, 317 deletions
diff --git a/python/examples/kaitai/tr_dos_image.py b/python/examples/kaitai/tr_dos_image.py
deleted file mode 100644
index 70298f7a..00000000
--- a/python/examples/kaitai/tr_dos_image.py
+++ /dev/null
@@ -1,317 +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 TrDosImage(KaitaiStruct):
- """.trd file is a raw dump of TR-DOS (ZX-Spectrum) floppy. .trd files are
- headerless and contain consequent "logical tracks", each logical track
- consists of 16 256-byte sectors.
-
- Logical tracks are defined the same way as used by TR-DOS: for single-side
- floppies it's just a physical track number, for two-side floppies sides are
- interleaved, i.e. logical_track_num = (physical_track_num << 1) | side
-
- So, this format definition is more for TR-DOS filesystem than for .trd files,
- which are formatless.
-
- Strings (file names, disk label, disk password) are padded with spaces and use
- ZX Spectrum character set, including UDGs, block drawing chars and Basic
- tokens. ASCII range is mostly standard ASCII, with few characters (^, `, DEL)
- replaced with (up arrow, pound, copyright symbol).
-
- .trd file can be smaller than actual floppy disk, if last logical tracks are
- empty (contain no file data) they can be omitted.
- """
-
- class DiskType(Enum):
- type_80_tracks_double_side = 22
- type_40_tracks_double_side = 23
- type_80_tracks_single_side = 24
- type_40_tracks_single_side = 25
- SEQ_FIELDS = ["files"]
- 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['files']['start'] = self._io.pos()
- self.files = []
- i = 0
- while True:
- if not 'arr' in self._debug['files']:
- self._debug['files']['arr'] = []
- self._debug['files']['arr'].append({'start': self._io.pos()})
- _t_files = self._root.File(self._io, self, self._root)
- _t_files._read()
- _ = _t_files
- self.files.append(_)
- self._debug['files']['arr'][len(self.files) - 1]['end'] = self._io.pos()
- if _.is_terminator:
- break
- i += 1
- self._debug['files']['end'] = self._io.pos()
-
- class VolumeInfo(KaitaiStruct):
- SEQ_FIELDS = ["catalog_end", "unused", "first_free_sector_sector", "first_free_sector_track", "disk_type", "num_files", "num_free_sectors", "tr_dos_id", "unused_2", "password", "unused_3", "num_deleted_files", "label", "unused_4"]
- 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['catalog_end']['start'] = self._io.pos()
- self.catalog_end = self._io.ensure_fixed_contents(b"\x00")
- self._debug['catalog_end']['end'] = self._io.pos()
- self._debug['unused']['start'] = self._io.pos()
- self.unused = self._io.read_bytes(224)
- self._debug['unused']['end'] = self._io.pos()
- self._debug['first_free_sector_sector']['start'] = self._io.pos()
- self.first_free_sector_sector = self._io.read_u1()
- self._debug['first_free_sector_sector']['end'] = self._io.pos()
- self._debug['first_free_sector_track']['start'] = self._io.pos()
- self.first_free_sector_track = self._io.read_u1()
- self._debug['first_free_sector_track']['end'] = self._io.pos()
- self._debug['disk_type']['start'] = self._io.pos()
- self.disk_type = KaitaiStream.resolve_enum(self._root.DiskType, self._io.read_u1())
- self._debug['disk_type']['end'] = self._io.pos()
- self._debug['num_files']['start'] = self._io.pos()
- self.num_files = self._io.read_u1()
- self._debug['num_files']['end'] = self._io.pos()
- self._debug['num_free_sectors']['start'] = self._io.pos()
- self.num_free_sectors = self._io.read_u2le()
- self._debug['num_free_sectors']['end'] = self._io.pos()
- self._debug['tr_dos_id']['start'] = self._io.pos()
- self.tr_dos_id = self._io.ensure_fixed_contents(b"\x10")
- self._debug['tr_dos_id']['end'] = self._io.pos()
- self._debug['unused_2']['start'] = self._io.pos()
- self.unused_2 = self._io.read_bytes(2)
- self._debug['unused_2']['end'] = self._io.pos()
- self._debug['password']['start'] = self._io.pos()
- self.password = self._io.read_bytes(9)
- self._debug['password']['end'] = self._io.pos()
- self._debug['unused_3']['start'] = self._io.pos()
- self.unused_3 = self._io.read_bytes(1)
- self._debug['unused_3']['end'] = self._io.pos()
- self._debug['num_deleted_files']['start'] = self._io.pos()
- self.num_deleted_files = self._io.read_u1()
- self._debug['num_deleted_files']['end'] = self._io.pos()
- self._debug['label']['start'] = self._io.pos()
- self.label = self._io.read_bytes(8)
- self._debug['label']['end'] = self._io.pos()
- self._debug['unused_4']['start'] = self._io.pos()
- self.unused_4 = self._io.read_bytes(3)
- self._debug['unused_4']['end'] = self._io.pos()
-
- @property
- def num_tracks(self):
- if hasattr(self, '_m_num_tracks'):
- return self._m_num_tracks if hasattr(self, '_m_num_tracks') else None
-
- self._m_num_tracks = (40 if (self.disk_type.value & 1) != 0 else 80)
- return self._m_num_tracks if hasattr(self, '_m_num_tracks') else None
-
- @property
- def num_sides(self):
- if hasattr(self, '_m_num_sides'):
- return self._m_num_sides if hasattr(self, '_m_num_sides') else None
-
- self._m_num_sides = (1 if (self.disk_type.value & 8) != 0 else 2)
- return self._m_num_sides if hasattr(self, '_m_num_sides') else None
-
-
- class PositionAndLengthCode(KaitaiStruct):
- SEQ_FIELDS = ["start_address", "length"]
- 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['start_address']['start'] = self._io.pos()
- self.start_address = self._io.read_u2le()
- self._debug['start_address']['end'] = self._io.pos()
- self._debug['length']['start'] = self._io.pos()
- self.length = self._io.read_u2le()
- self._debug['length']['end'] = self._io.pos()
-
-
- class Filename(KaitaiStruct):
- SEQ_FIELDS = ["name"]
- 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['name']['start'] = self._io.pos()
- self.name = self._io.read_bytes(8)
- self._debug['name']['end'] = self._io.pos()
-
- @property
- def first_byte(self):
- if hasattr(self, '_m_first_byte'):
- return self._m_first_byte if hasattr(self, '_m_first_byte') else None
-
- _pos = self._io.pos()
- self._io.seek(0)
- self._debug['_m_first_byte']['start'] = self._io.pos()
- self._m_first_byte = self._io.read_u1()
- self._debug['_m_first_byte']['end'] = self._io.pos()
- self._io.seek(_pos)
- return self._m_first_byte if hasattr(self, '_m_first_byte') else None
-
-
- class PositionAndLengthPrint(KaitaiStruct):
- SEQ_FIELDS = ["extent_no", "reserved", "length"]
- 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['extent_no']['start'] = self._io.pos()
- self.extent_no = self._io.read_u1()
- self._debug['extent_no']['end'] = self._io.pos()
- self._debug['reserved']['start'] = self._io.pos()
- self.reserved = self._io.read_u1()
- self._debug['reserved']['end'] = self._io.pos()
- self._debug['length']['start'] = self._io.pos()
- self.length = self._io.read_u2le()
- self._debug['length']['end'] = self._io.pos()
-
-
- class PositionAndLengthGeneric(KaitaiStruct):
- SEQ_FIELDS = ["reserved", "length"]
- 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['reserved']['start'] = self._io.pos()
- self.reserved = self._io.read_u2le()
- self._debug['reserved']['end'] = self._io.pos()
- self._debug['length']['start'] = self._io.pos()
- self.length = self._io.read_u2le()
- self._debug['length']['end'] = self._io.pos()
-
-
- class PositionAndLengthBasic(KaitaiStruct):
- SEQ_FIELDS = ["program_and_data_length", "program_length"]
- 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['program_and_data_length']['start'] = self._io.pos()
- self.program_and_data_length = self._io.read_u2le()
- self._debug['program_and_data_length']['end'] = self._io.pos()
- self._debug['program_length']['start'] = self._io.pos()
- self.program_length = self._io.read_u2le()
- self._debug['program_length']['end'] = self._io.pos()
-
-
- class File(KaitaiStruct):
- SEQ_FIELDS = ["name", "extension", "position_and_length", "length_sectors", "starting_sector", "starting_track"]
- 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['name']['start'] = self._io.pos()
- self._raw_name = self._io.read_bytes(8)
- io = KaitaiStream(BytesIO(self._raw_name))
- self.name = self._root.Filename(io, self, self._root)
- self.name._read()
- self._debug['name']['end'] = self._io.pos()
- self._debug['extension']['start'] = self._io.pos()
- self.extension = self._io.read_u1()
- self._debug['extension']['end'] = self._io.pos()
- self._debug['position_and_length']['start'] = self._io.pos()
- _on = self.extension
- if _on == 66:
- self.position_and_length = self._root.PositionAndLengthBasic(self._io, self, self._root)
- self.position_and_length._read()
- elif _on == 67:
- self.position_and_length = self._root.PositionAndLengthCode(self._io, self, self._root)
- self.position_and_length._read()
- elif _on == 35:
- self.position_and_length = self._root.PositionAndLengthPrint(self._io, self, self._root)
- self.position_and_length._read()
- else:
- self.position_and_length = self._root.PositionAndLengthGeneric(self._io, self, self._root)
- self.position_and_length._read()
- self._debug['position_and_length']['end'] = self._io.pos()
- self._debug['length_sectors']['start'] = self._io.pos()
- self.length_sectors = self._io.read_u1()
- self._debug['length_sectors']['end'] = self._io.pos()
- self._debug['starting_sector']['start'] = self._io.pos()
- self.starting_sector = self._io.read_u1()
- self._debug['starting_sector']['end'] = self._io.pos()
- self._debug['starting_track']['start'] = self._io.pos()
- self.starting_track = self._io.read_u1()
- self._debug['starting_track']['end'] = self._io.pos()
-
- @property
- def is_deleted(self):
- if hasattr(self, '_m_is_deleted'):
- return self._m_is_deleted if hasattr(self, '_m_is_deleted') else None
-
- self._m_is_deleted = self.name.first_byte == 1
- return self._m_is_deleted if hasattr(self, '_m_is_deleted') else None
-
- @property
- def is_terminator(self):
- if hasattr(self, '_m_is_terminator'):
- return self._m_is_terminator if hasattr(self, '_m_is_terminator') else None
-
- self._m_is_terminator = self.name.first_byte == 0
- return self._m_is_terminator if hasattr(self, '_m_is_terminator') else None
-
- @property
- def contents(self):
- if hasattr(self, '_m_contents'):
- return self._m_contents if hasattr(self, '_m_contents') else None
-
- _pos = self._io.pos()
- self._io.seek((((self.starting_track * 256) * 16) + (self.starting_sector * 256)))
- self._debug['_m_contents']['start'] = self._io.pos()
- self._m_contents = self._io.read_bytes((self.length_sectors * 256))
- self._debug['_m_contents']['end'] = self._io.pos()
- self._io.seek(_pos)
- return self._m_contents if hasattr(self, '_m_contents') else None
-
-
- @property
- def volume_info(self):
- if hasattr(self, '_m_volume_info'):
- return self._m_volume_info if hasattr(self, '_m_volume_info') else None
-
- _pos = self._io.pos()
- self._io.seek(2048)
- self._debug['_m_volume_info']['start'] = self._io.pos()
- self._m_volume_info = self._root.VolumeInfo(self._io, self, self._root)
- self._m_volume_info._read()
- self._debug['_m_volume_info']['end'] = self._io.pos()
- self._io.seek(_pos)
- return self._m_volume_info if hasattr(self, '_m_volume_info') else None
-
-