def from_bitstream(cls, bitstream):
instance = cls.__new__(cls)
Struct.__init__(instance)
instance.TEMP_FIELDS = {}
statements = {}
for statement in instance.create_fields():
statement = IStructStatement(statement)
statement._pre_read(instance)
statements[statement] = statement
instance.reading = True
for statement in instance.create_fields():
statement = IStructStatement(statements.get(statement, statement))
statement._struct_read(instance, bitstream)
del instance.TEMP_FIELDS
instance.reading = False
return instance
def as_bitstream(self):
bitstream = BitStream()
bitstream.byte_aligned = getattr(self.create_fields, "byte_aligned",
False)
self.TEMP_FIELDS = {}
statements = {}
for statement in self.create_fields():
statement = IStructStatement(statement)
statement._pre_write(self)
statements[statement] = statement
self.writing = True
for statement in self.create_fields():
statement = IStructStatement(statements.get(statement, statement))
statement._struct_write(self, bitstream)
del self.TEMP_FIELDS
self.writing = False
bitstream.seek(0)
return bitstream
def from_bitstream(cls, bitstream):
instance = cls.__new__(cls)
Struct.__init__(instance)
instance.TEMP_FIELDS = {}
statements = {}
for statement in instance.create_fields():
statement = IStructStatement(statement)
statement._pre_read(instance)
statements[statement] = statement
instance.reading = True
for statement in instance.create_fields():
statement = IStructStatement(statements.get(statement, statement))
statement._struct_read(instance, bitstream)
del instance.TEMP_FIELDS
instance.reading = False
return instance
def as_bitstream(self):
bitstream = BitStream()
bitstream.byte_aligned = getattr(self.create_fields, "byte_aligned", False)
self.TEMP_FIELDS = {}
statements = {}
for statement in self.create_fields():
statement = IStructStatement(statement)
statement._pre_write(self)
statements[statement] = statement
self.writing = True
for statement in self.create_fields():
statement = IStructStatement(statements.get(statement, statement))
statement._struct_write(self, bitstream)
del self.TEMP_FIELDS
self.writing = False
bitstream.seek(0)
return bitstream