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SickRage/lib/hachoir_parser/common/msdos.py

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"""
MS-DOS structures.
Documentation:
- File attributes:
http://www.cs.colorado.edu/~main/cs1300/include/ddk/winddk.h
"""
from lib.hachoir_core.field import StaticFieldSet
from lib.hachoir_core.field import Bit, NullBits
_FIELDS = (
(Bit, "read_only"),
(Bit, "hidden"),
(Bit, "system"),
(NullBits, "reserved[]", 1),
(Bit, "directory"),
(Bit, "archive"),
(Bit, "device"),
(Bit, "normal"),
(Bit, "temporary"),
(Bit, "sparse_file"),
(Bit, "reparse_file"),
(Bit, "compressed"),
(Bit, "offline"),
(Bit, "dont_index_content"),
(Bit, "encrypted"),
)
class MSDOSFileAttr16(StaticFieldSet):
"""
MSDOS 16-bit file attributes
"""
format = _FIELDS + ((NullBits, "reserved[]", 1),)
_text_keys = (
# Sort attributes by importance
"directory", "read_only", "compressed",
"hidden", "system",
"normal", "device",
"temporary", "archive")
def createValue(self):
mode = []
for name in self._text_keys:
if self[name].value:
if 4 <= len(mode):
mode.append("...")
break
else:
mode.append(name)
if mode:
return ", ".join(mode)
else:
return "(none)"
class MSDOSFileAttr32(MSDOSFileAttr16):
"""
MSDOS 32-bit file attributes
"""
format = _FIELDS + ((NullBits, "reserved[]", 17),)