Class: LibSL::LLU64

Inherits:

LLNumber

• Object
• LLNumber
• LibSL::LLU64

Defined in:

lib/types.rb

Instance Attribute Summary

Attributes inherited from LLNumber

#value

Class Method Summary

• .decode(data) ⇒ Object

Instance Method Summary

• #encode ⇒ Object

Methods inherited from LLNumber

endianness, #initialize

Constructor Details

This class inherits a constructor from LibSL::LLNumber

Class Method Details

.decode(data) ⇒ Object

# File 'lib/types.rb', line 186

def self.decode(data)
	u64, data = LLNumber.decode(data, 'Q1a*', LLU64)
	if self.endianness == :big
		# Convert to little endian
		u64.value = u64.value >> 56 |
			(u64.value & 0xff000000000000) >> 40 |
			(u64.value & 0xff0000000000) >> 24 |
			(u64.value & 0xff00000000) >> 8 |
			(u64.value & 0xff000000) << 8 |
			(u64.value & 0xff0000) << 24 |
			(u64.value & 0xff00) << 40 |
			(u64.value & 0xff) << 56
	end
	return u64, data
end

Instance Method Details

#encode ⇒ Object

Raises:

• (ArgumentError)

# File 'lib/types.rb', line 202

def encode()
	raise ArgumentError, "Value out of range: #{@value}" if @value < 0 or @value > 0xffffffffffffffff
	ms = @value >> 32
	ls = @value - (ms << 32)
	[ls, ms].pack('V2')
end