def __init__(self, stream, offset=None):
"""
Initializes a Fib object.
:parameters:
stream
A stream that contains the FIB.
offset
The byte offset in the stream of the start of the FIB.
"""
extractor = Extractor(datatypes.FibHeader)
if offset is not None:
stream.seek(offset, SEEK_SET)
else:
offset = stream.tell()
# end if
self.header = extractor.extract(stream.read(32))
offset += 32
# Get the size of the shorts array
size = uint16_le.extract(stream.read(2))[0] * 2
offset += 2
# Get the shorts array
self.shorts = extract_fib_array(datatypes.FibShorts, size, stream,
offset)
offset += size
# Get the size of the longs array
size = uint16_le.extract(stream.read(2))[0] * 4
offset += 2
# Get the longs array
self.longs = extract_fib_array(datatypes.FibLongs, size, stream,
offset)
offset += size
# Get the size of the fc_lcb array
size = uint16_le.extract(stream.read(2))[0] * 8
offset += 2
# Figure out which data structure we need...
if size <= 744: # Size of FibFcLcb97
record = datatypes.FibFcLcb97
elif size <= 864: # Size of FibFcLcb2000
record = datatypes.FibFcLcb2000
elif size <= 1088: # Size of FibFcLcb2002
record = datatypes.FibFcLcb2002
elif size <= 1312: # Size of FibFcLcb2003
record = datatypes.FibFcLcb2003
else:
record = datatypes.FibFcLcb2007
# end if
# Get the fc_lcb array
self.fc_lcb = extract_fib_array(record, size, stream, offset)
def __init__(self, stream, offset=None):
"""
Initializes an SttbLong object.
:parameters:
stream
A stream that contains the Sttb.
offset
The byte offset of the start of the Sttb.
"""
if offset is None:
offset = stream.tell()
# end if
super(SttbLong, self).__init__(stream, offset)
extended = self.extended
if extended:
offset += 2
# end if
stream.seek(offset, SEEK_SET)
count = uint32_le.extract(stream.read(4))[0]
extra_size = uint16_le.extract(stream.read(2))[0]
data = list()
extra_data = list()
for index in range(count):
if extended:
char_count = uint16_le.extract(stream.read(2))[0] * 2
else:
char_count = uint8.extract(stream.read(1))[0]
# end if
data.append(stream.read(char_count))
if extra_size:
extra_data.append(stream.read(extra_size))
# end if
# end for
self.extra_size = extra_size
self.data = data
self.extra_data = extra_data
def __init__(self, stream, offset=None):
"""
Initializes an SttbLong object.
:parameters:
stream
A stream that contains the Sttb.
offset
The byte offset of the start of the Sttb.
"""
if offset is None:
offset = stream.tell()
# end if
super(SttbLong, self).__init__(stream, offset)
extended = self.extended
if extended:
offset += 2
# end if
stream.seek(offset, SEEK_SET)
count = uint32_le.extract(stream.read(4))[0]
extra_size = uint16_le.extract(stream.read(2))[0]
data = list()
extra_data = list()
for index in range(count):
if extended:
char_count = uint16_le.extract(stream.read(2))[0] * 2
else:
char_count = uint8.extract(stream.read(1))[0]
# end if
data.append(stream.read(char_count))
if extra_size:
extra_data.append(stream.read(extra_size))
# end if
# end for
self.extra_size = extra_size
self.data = data
self.extra_data = extra_data
def __init__(self, stream, offset=None):
"""
Initializes a Fib object.
:parameters:
stream
A stream that contains the FIB.
offset
The byte offset in the stream of the start of the FIB.
"""
extractor = Extractor(datatypes.FibHeader)
if offset is not None:
stream.seek(offset, SEEK_SET)
else:
offset = stream.tell()
# end if
self.header = extractor.extract(stream.read(32))
offset += 32
# Get the size of the shorts array
size = uint16_le.extract(stream.read(2))[0] * 2
offset += 2
# Get the shorts array
self.shorts = extract_fib_array(
datatypes.FibShorts, size, stream, offset
)
offset += size
# Get the size of the longs array
size = uint16_le.extract(stream.read(2))[0] * 4
offset += 2
# Get the longs array
self.longs = extract_fib_array(
datatypes.FibLongs, size, stream, offset
)
offset += size
# Get the size of the fc_lcb array
size = uint16_le.extract(stream.read(2))[0] * 8
offset += 2
# Figure out which data structure we need...
if size <= 744: # Size of FibFcLcb97
record = datatypes.FibFcLcb97
elif size <= 864: # Size of FibFcLcb2000
record = datatypes.FibFcLcb2000
elif size <= 1088: # Size of FibFcLcb2002
record = datatypes.FibFcLcb2002
elif size <= 1312: # Size of FibFcLcb2003
record = datatypes.FibFcLcb2003
else:
record = datatypes.FibFcLcb2007
# end if
# Get the fc_lcb array
self.fc_lcb = extract_fib_array(record, size, stream, offset)
