Class: Protocol::HTTP::Body::Buffered

Inherits:
Readable
  • Object
show all
Defined in:
lib/protocol/http/body/buffered.rb

Overview

A body which buffers all it’s contents.

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Readable

#close, #each, #join

Constructor Details

#initialize(chunks = [], length = nil) ⇒ Buffered

Returns a new instance of Buffered.



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# File 'lib/protocol/http/body/buffered.rb', line 56

def initialize(chunks = [], length = nil)
	@chunks = chunks
	@length = length
	
	@index = 0
	@digest = nil
end

Class Method Details

.for(body) ⇒ Object 



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# File 'lib/protocol/http/body/buffered.rb', line 46

def self.for(body)
	chunks = []
	
	body.each do |chunk|
		chunks << chunk
	end
	
	self.new(chunks)
end

.wrap(body) ⇒ Readable?

Wraps an array into a buffered body.

Returns:

  • (Readable, nil) —

    the wrapped body or nil if nil was given.



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# File 'lib/protocol/http/body/buffered.rb', line 34

def self.wrap(body)
	if body.is_a?(Readable)
		return body
	elsif body.is_a?(Array)
		return self.new(body)
	elsif body.is_a?(String)
		return self.new([body])
	elsif body
		return self.for(body)
	end
end

Instance Method Details

#digest ⇒ Object 



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# File 'lib/protocol/http/body/buffered.rb', line 64

def digest
	@digest ||= compute_digest
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protocol/http/body/buffered.rb', line 76

def empty?
	@index >= @chunks.length
end

#finish ⇒ Object 



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# File 'lib/protocol/http/body/buffered.rb', line 68

def finish
	self
end

#inspect ⇒ Object 



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# File 'lib/protocol/http/body/buffered.rb', line 97

def inspect
	"\#<#{self.class} #{@chunks.size} chunks, #{self.length} bytes>"
end

#length ⇒ Object 



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# File 'lib/protocol/http/body/buffered.rb', line 72

def length
	@length ||= @chunks.inject(0) {|sum, chunk| sum + chunk.bytesize}
end

#read ⇒ Object 



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# File 'lib/protocol/http/body/buffered.rb', line 80

def read
	if chunk = @chunks[@index]
		@index += 1
		
		return chunk.dup
	end
end

#rewind ⇒ Object 



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# File 'lib/protocol/http/body/buffered.rb', line 93

def rewind
	@index = 0
end

#write(chunk) ⇒ Object 



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# File 'lib/protocol/http/body/buffered.rb', line 88

def write(chunk)
	@digest = nil
	@chunks << chunk
end