Sha256: 32a6881bb90eb0264af8a887fbceb3ca1243fa7d24c461f74da798afd37519c0
Contents?: true
Size: 967 Bytes
Versions: 114
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
end
def <<(data)
val = data.to_s
@crc = Zlib.crc32(val, @crc)
@size += val.bytesize
buffer = @zlib_deflater.deflate(data)
if buffer.empty?
@output_stream
else
@output_stream << @encrypter.encrypt(buffer)
end
end
def finish
@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
114 entries across 89 versions & 11 rubygems