class Faraday::CompositeReadIO

github.com/nicksieger/multipart-post/blob/master/lib/composite_io.rb<br>multipart-post gem.
Similar to, but not compatible with CompositeReadIO provided by the

def advance_io 

def advance_io
  @index += 1
end

def close

Returns:
  • (void) - 
def close
  @ios.each(&:close)
end

def current_io 

def current_io
  @ios[@index]
end

def ensure_open_and_readable 

def ensure_open_and_readable
  # Rubinius compatibility
end

def initialize(*parts) 

def initialize(*parts)
  @parts = parts.flatten
  @ios = @parts.map(&:to_io)
  @index = 0
end

def length

Returns:
  • (Integer) - sum of the lengths of all the parts 
def length
  @parts.inject(0) { |sum, part| sum + part.length }
end

def read(length = nil, outbuf = nil)

Parameters:
  • outbuf (String, nil) --
  • length (Integer, nil) -- 
def read(length = nil, outbuf = nil)
  got_result = false
  outbuf = outbuf ? (+outbuf).replace('') : +''
  while (io = current_io)
    if (result = io.read(length))
      got_result ||= !result.nil?
      result.force_encoding('BINARY') if result.respond_to?(:force_encoding)
      outbuf << result
      length -= result.length if length
      break if length&.zero?
    end
    advance_io
  end
  !got_result && length ? nil : outbuf
end

def rewind

Returns:
  • (void) - 
def rewind
  @ios.each(&:rewind)
  @index = 0
end