Class: Bytepack::FixedSize

Inherits:
Basic show all
Defined in:
lib/bytepack/basic/fixed_size.rb

Direct Known Subclasses

Decimal, Float, IntegerType

Class Method Summary collapse

Methods inherited from Basic

bytesToInt, intToBytes, preprocess

Methods inherited from Struct

classifyDataType, config, packingDataType, single_type_array?, testpacking

Class Method Details

.pack(val) ⇒ Object 



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# File 'lib/bytepack/basic/fixed_size.rb', line 5

def pack(val)
  val ||= self::NULL_INDICATOR
  [val].pack(self::DIRECTIVE)
end

.unpack(bytes, offset = 0) ⇒ Object 



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# File 'lib/bytepack/basic/fixed_size.rb', line 10

def unpack(bytes, offset = 0)
  offset, format = *preprocess(bytes, offset, self::DIRECTIVE, self::LENGTH)
  unpacked = bytes.unpack1(format)
  if unpacked == self::NULL_INDICATOR
    [nil, offset]
  else
    [unpacked, offset]
  end
end