Class: Zapp::InputStream

Inherits:
Object
  • Object
show all
Defined in:
lib/zapp/input_stream.rb

Overview

Represents an input stream with the HTTP data passed to rack.input Read the Input Stream part of the Rack Specification here github.com/rack/rack/blob/master/SPEC.rdoc#label-The+Input+Stream

Instance Method Summary collapse

Constructor Details

#initialize(string:) ⇒ InputStream

Returns a new instance of InputStream.



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# File 'lib/zapp/input_stream.rb', line 7

def initialize(string:)
  @string = string
  @next_index_to_read = 0
end

Instance Method Details

#each(&block) ⇒ Object 



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# File 'lib/zapp/input_stream.rb', line 27

def each(&block)
  [read].each(&block)
end

#gets ⇒ Object 



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# File 'lib/zapp/input_stream.rb', line 31

def gets
  return unless @next_index_to_read < @string.length

  read
end

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



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# File 'lib/zapp/input_stream.rb', line 12

def read(length = nil, buffer = nil)
  returning = if length.nil?
                raw_read
              else
                string = raw_read(end_index: @next_index_to_read + length)
                string == "" ? nil : string
              end

  if buffer.nil?
    returning
  else
    buffer << returning
  end
end

#rewind ⇒ Object 



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# File 'lib/zapp/input_stream.rb', line 37

def rewind
  @next_index_to_read = 0
end