class Gem::Package::TarWriter::BoundedStream

允许写入有限数量数据的 IO 包装器

属性

limit [R]

可写入的最大字节数

written [R]

已写入的字节数

Public Class Methods

new (io, limit)

Source

# File lib/rubygems/package/tar_writer.rb, line 33
def initialize(io, limit)
  @io = io
  @limit = limit
  @written = 0
end

包装 io，允许写入最多 limit 字节

Public Instance Methods

write (data)

Source

# 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

将 data 写入 IO，如果写入的字节数将超过 limit，则会引发 FileOverflow 异常