Sha256: 3775a8b5e0db21a234eb9d2c2ae226ef19de8eb9af0a23aeb09612ecc4719243
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Size: 1.23 KB
Versions: 15
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Stored size: 1.23 KB
Contents
# frozen_string_literal: true
# Stashes a block given by the Rack webserver when calling each() on a body, and calls
# that block every time it is written to using :<< (shovel). Poses as an IO for rubyzip.
class ZipTricks::BlockWrite
# The block is the block given to each() of the Rack body, or other block you want
# to receive the string chunks written by the zip compressor.
def initialize(&block)
@block = block
end
# Make sure those methods raise outright
%i[seek pos= to_s].each do |m|
define_method(m) do |*_args|
raise "#{m} not supported - this IO adapter is non-rewindable"
end
end
# Every time this object gets written to, call the Rack body each() block
# with the bytes given instead.
def <<(buf)
# Zero-size output has a special meaning when using chunked encoding
return if buf.nil? || buf.bytesize.zero?
# Ensure we ALWAYS write in binary encoding.
encoded =
if buf.encoding != Encoding::BINARY
# If we got a frozen string we can't force_encoding on it
begin
buf.force_encoding(Encoding::BINARY)
rescue
buf.dup.force_encoding(Encoding::BINARY)
end
else
buf
end
@block.call(encoded)
self
end
end
Version data entries
15 entries across 15 versions & 1 rubygems