Module: Rack::Process::NetString

Defined in:
lib/rack/process/net_string.rb

Overview

cr.yp.to/proto/netstrings.txt

Class Method Summary collapse

Class Method Details

.decode(str) ⇒ Object 



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# File 'lib/rack/process/net_string.rb', line 33

def decode str
  io = StringIO.new str
  io.rewind
  read io
end

.encode(str) ⇒ Object 



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# File 'lib/rack/process/net_string.rb', line 27

def encode str
  io = StringIO.new
  write io, str
  io.string
end

.read(io) ⇒ Object 



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# File 'lib/rack/process/net_string.rb', line 9

def read io
  length = ns_length io.readline ":"
  buffer = io.read length

  if io.eof?
    return
  elsif io.getc != ?,
    raise Error, "Invalid netstring length, expected to be #{length}"
  end

  buffer
end

.write(io, str) ⇒ Object 



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# File 'lib/rack/process/net_string.rb', line 22

def write io, str
  io << "#{str.bytesize}:" << str << ","
  io.flush
end