def seekBit(self,
address,
name="padding[]",
description=None,
relative=True,
null=False):
"""
Create a field to seek to specified address,
or None if it's not needed.
May raise an (ParserError) exception if address is invalid.
"""
if relative:
nbits = address - self._current_size
else:
nbits = address - (self.absolute_address + self._current_size)
if nbits < 0:
raise ParserError("Seek error, unable to go back!")
if 0 < nbits:
if null:
return createNullField(self, nbits, name, description)
else:
return createPaddingField(self, nbits, name, description)
else:
return None
def seekBit(self, address, name="padding[]",
description=None, relative=True, null=False):
"""
Create a field to seek to specified address,
or None if it's not needed.
May raise an (ParserError) exception if address is invalid.
"""
if relative:
nbits = address - self._current_size
else:
nbits = address - (self.absolute_address + self._current_size)
if nbits < 0:
raise ParserError("Seek error, unable to go back!")
if 0 < nbits:
if null:
return createNullField(self, nbits, name, description)
else:
return createPaddingField(self, nbits, name, description)
else:
return None