Method: Rex::Struct2::Generic#from_s

Defined in:
lib/rex/struct2/generic.rb

#from_s(bytes) ⇒ Object 



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# File 'lib/rex/struct2/generic.rb', line 51

def from_s(bytes)
  value = bytes.unpack(@packspec)[0]
  # return nil on unpack error
  return if !value
  len = slength()
  # error on any restraint issues
  return if restraint && restraint.max && len > restraint.max
  return if restraint && restraint.min && len < restraint.min
  # else set our value and return length used for this element

  if (value & check_mask) != 0
    value = -((~value & mask) + 1)
  end

  self.value = value
  return(len)
end