Contents

module Zip
  class Deflater < Compressor #:nodoc:all

    def initialize(output_stream, level = ::Zlib::DEFAULT_COMPRESSION)
      super()
      @output_stream = output_stream
      @zlib_deflater = ::Zlib::Deflate.new(level, -::Zlib::MAX_WBITS)
      @size          = 0
      @crc           = ::Zlib.crc32
    end

    def << (data)
      val   = data.to_s
      @crc  = Zlib::crc32(val, @crc)
      @size += val.bytesize
      @output_stream << @zlib_deflater.deflate(data)
    end

    def finish
      @output_stream << @zlib_deflater.finish until @zlib_deflater.finished?
    end

    attr_reader :size, :crc
  end
end

# Copyright (C) 2002, 2003 Thomas Sondergaard
# rubyzip is free software; you can redistribute it and/or
# modify it under the terms of the ruby license.

Version data entries

4 entries across 4 versions & 2 rubygems

Version	Path
rubyzip-1.1.0	lib/zip/deflater.rb
rubyzip-1.0.0	lib/zip/deflater.rb
rubyzip-1.0.0.beta1	lib/zip/deflater.rb
superp-rubyzip-0.1.0	lib/zip/deflater.rb