each()
public
Iterates over files in the tarball yielding each entry
# File lib/rubygems/package/tar_reader.rb, line 54
def each
return enum_for __method__ unless block_given?
until @io.eof? do
header = Gem::Package::TarHeader.from @io
return if header.empty?
entry = Gem::Package::TarReader::Entry.new header, @io
size = entry.header.size
yield entry
skip = (512 - (size % 512)) % 512
pending = size - entry.bytes_read
begin
# avoid reading...
@io.seek pending, IO::SEEK_CUR
pending = 0
rescue Errno::EINVAL, NameError
while pending > 0 do
bytes_read = @io.read([pending, 4096].min).size
raise UnexpectedEOF if @io.eof?
pending -= bytes_read
end
end
@io.read skip # discard trailing zeros
# make sure nobody can use #read, #getc or #rewind anymore
entry.close
end
end