Sha256: 105e7197bf183a8aa3aff7eb007f1d8d6670b5bc2f4aded42ea1db9ad35f99c0
Contents?: true
Size: 967 Bytes
Versions: 72
Compression:
Stored size: 967 Bytes
Contents
module Zip
class Deflater < Compressor #:nodoc:all
def initialize(output_stream, level = Zip.default_compression, encrypter = NullEncrypter.new)
super()
@output_stream = output_stream
@zlib_deflater = ::Zlib::Deflate.new(level, -::Zlib::MAX_WBITS)
@size = 0
@crc = ::Zlib.crc32
@encrypter = encrypter
@buffer_stream = ::StringIO.new('')
end
def << (data)
val = data.to_s
@crc = Zlib::crc32(val, @crc)
@size += val.bytesize
@buffer_stream << @zlib_deflater.deflate(data)
end
def finish
@output_stream << @encrypter.encrypt(@buffer_stream.string)
@output_stream << @encrypter.encrypt(@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
72 entries across 69 versions & 20 rubygems