lib/zip/ioextras.rb
module Zip
module IOExtras #:nodoc:
CHUNK_SIZE = 131072
RANGE_ALL = 0..-1
class << self
def copy_stream(ostream, istream)
ostream.write(istream.read(CHUNK_SIZE, '')) until istream.eof?
end
def copy_stream_n(ostream, istream, nbytes)
toread = nbytes
while toread > 0 && !istream.eof?
tr = toread > CHUNK_SIZE ? CHUNK_SIZE : toread
ostream.write(istream.read(tr, ''))
toread -= tr
end
end
end
# Implements kind_of? in order to pretend to be an IO object
module FakeIO
def kind_of?(object)
object == IO || super
end
end
end # IOExtras namespace module
end
require 'zip/ioextras/abstract_input_stream'
require 'zip/ioextras/abstract_output_stream'
# Copyright (C) 2002-2004 Thomas Sondergaard
# rubyzip is free software; you can redistribute it and/or
# modify it under the terms of the ruby license.