Method: VariableByteCode.decode_index

Defined in:
lib/ls4/lib/vbcode.rb,
lib/ls4/lib/vbcode.rb

.decode_index(raw, from = 0) ⇒ Object 



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# File 'lib/ls4/lib/vbcode.rb', line 96

def self.decode_index(raw, from=0)
	i = from
	value = 0
	while raw.length > i
		v = raw[i].unpack('C')[0]
		if v & 0b10000000 != 0
			v &= 0b01111111
			v <<= ((i-from)*7)
			value |= v
		else
			v <<= ((i-from)*7)
			value |= v
			return value, i+1
		end
		i += 1
	end
	return value, i
end