Class: ZMachine::HttpDecoders::GZip

Inherits:
Base
  • Object
show all
Defined in:
lib/z-http/decoders.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#<<, #finalize!, #initialize

Constructor Details

This class inherits a constructor from ZMachine::HttpDecoders::Base

Class Method Details

.encoding_names ⇒ Object 



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# File 'lib/z-http/decoders.rb', line 219

def self.encoding_names
  %w(gzip compressed)
end

Instance Method Details

#decompress(compressed) ⇒ Object 



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# File 'lib/z-http/decoders.rb', line 223

def decompress(compressed)
  compressed.force_encoding('BINARY')
  @header ||= GZipHeader.new
  if !@header.finished?
    compressed = @header.extract_stream(compressed)
  end

  @zstream ||= Zlib::Inflate.new(-Zlib::MAX_WBITS)
  @zstream.inflate(compressed)
rescue Zlib::Error
  raise DecoderError
end

#finalize ⇒ Object 



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# File 'lib/z-http/decoders.rb', line 236

def finalize
  if @zstream
    if !@zstream.finished?
      r = @zstream.finish
    end
    @zstream.close
    r
  else
    nil
  end
rescue Zlib::Error
  raise DecoderError
end