Method: BinData::IO::Write#writebits

Defined in:
lib/bindata/io.rb

#writebits(val, nbits, endian) ⇒ Object

Writes nbits bits from val to the stream. endian specifies whether the bits are to be stored in :big or :little endian format.



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# File 'lib/bindata/io.rb', line 234

def writebits(val, nbits, endian)
  if @wendian != endian
    # don't mix bits of differing endian
    flushbits
    @wendian = endian
  end

  clamped_val = val & mask(nbits)

  if endian == :big
    write_big_endian_bits(clamped_val, nbits)
  else
    write_little_endian_bits(clamped_val, nbits)
  end
end