Class: Faraday::CompositeReadIO

Inherits:
Object
  • Object
show all
Defined in:
lib/faraday/upload_io.rb

Overview

Similar but not compatible with ::CompositeReadIO provided by multipart-post.

Instance Method Summary collapse

Constructor Details

#initialize(*parts) ⇒ CompositeReadIO

Returns a new instance of CompositeReadIO



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# File 'lib/faraday/upload_io.rb', line 13

def initialize(*parts)
  @parts = parts.flatten
  @ios = @parts.map { |part| part.to_io }
  @index = 0
end

Instance Method Details

#closeObject



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# File 'lib/faraday/upload_io.rb', line 46

def close
  @ios.each { |io| io.close }
end

#ensure_open_and_readableObject



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# File 'lib/faraday/upload_io.rb', line 50

def ensure_open_and_readable
  # Rubinius compatibility
end

#lengthObject



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# File 'lib/faraday/upload_io.rb', line 19

def length
  @parts.inject(0) { |sum, part| sum + part.length }
end

#read(length = nil, outbuf = nil) ⇒ Object

Read from IOs in order until `length` bytes have been received.



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# File 'lib/faraday/upload_io.rb', line 29

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 == 0
    end
    advance_io
  end
  (!got_result && length) ? nil : outbuf
end

#rewindObject



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# File 'lib/faraday/upload_io.rb', line 23

def rewind
  @ios.each { |io| io.rewind }
  @index = 0
end