class Gem::Package::TarWriter::BoundedStream
IO
wrapper that allows writing a limited amount of data
Attributes
limit
[R]
Maximum number of bytes that can be written
written
[R]
Number of bytes written
Public Class Methods
new
(io, limit)
Wraps io
and allows up to limit
bytes to be written
# File lib/rubygems/package/tar_writer.rb, line 33 def initialize(io, limit) @io = io @limit = limit @written = 0 end
Public Instance Methods
write
(data)
Writes data
onto the IO
, raising a FileOverflow
exception if the number of bytes will be more than limit
# File lib/rubygems/package/tar_writer.rb, line 43 def write(data) if data.bytesize + @written > @limit raise FileOverflow, "You tried to feed more data than fits in the file." end @io.write data @written += data.bytesize data.bytesize end