Class: Zip::Bzip2::Decompress

Inherits:
Object
  • Object
show all
Defined in:
lib/zip/bzip2/decompress.rb

Overview

:nodoc:

Constant Summary collapse

OUTPUT_BUFFER_SIZE = 
4096

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Decompress 



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# File 'lib/zip/bzip2/decompress.rb', line 10

def initialize(options = {})
  small = options[:small]

  @libbz2 = Libbz2.new.tap do |libbz2|
    libbz2.decompress_init!(small: small)
  end

  @finished = false
end

Instance Method Details

#decompress(data) ⇒ Object 



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# File 'lib/zip/bzip2/decompress.rb', line 20

def decompress(data)
  result = +''

  with_input_buffer(data) do |input_buffer|
    @libbz2.input_buffer = input_buffer

    with_output_buffer(OUTPUT_BUFFER_SIZE) do |output_buffer|
      while @libbz2.input?
        @libbz2.output_buffer = output_buffer

        @finished = @libbz2.decompress!
        result += @libbz2.output
        next unless @finished

        @libbz2.decompress_end!
        break
      end
    end
  end

  result
end

#finished? ⇒ Boolean 



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# File 'lib/zip/bzip2/decompress.rb', line 43

def finished?
  @finished
end