Method: SSHData::Encoding#decode_options

Defined in:
lib/ssh_data/encoding.rb

#decode_options(raw, offset = 0) ⇒ Object

Read a series of key/value pairs out of the provided raw data.

raw - A binary String. offset - The offset into raw at which to read (default 0).

Returns an Array including the Hash of decoded keys/values and the Integer number of bytes read.



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# File 'lib/ssh_data/encoding.rb', line 615

def decode_options(raw, offset=0)
  opts_raw, str_read = decode_string(raw, offset)

  opts_read = 0
  opts = {}

  while opts_raw.bytesize > opts_read
    key, read = decode_string(opts_raw, opts_read)
    opts_read += read

    value_raw, read = decode_string(opts_raw, opts_read)
    opts_read += read

    if value_raw.bytesize > 0
      opts[key], read = decode_string(value_raw)
      if read != value_raw.bytesize
        raise DecodeError, "bad options data"
      end
    else
      opts[key] = true
    end
  end

  if opts_read != opts_raw.bytesize
    raise DecodeError, "bad options"
  end

  [opts, str_read]
end