class Gem::Package::DigestIO
属性
收集封装写入的摘要。
{
'SHA1' => #<OpenSSL::Digest: [...]>,
'SHA512' => #<OpenSSL::Digest: [...]>,
}
Public Class Methods
Source
# File lib/rubygems/package/digest_io.rb, line 46 def initialize(io, digests) @io = io @digests = digests end
Source
# File lib/rubygems/package/digest_io.rb, line 34 def self.wrap(io, digests) digest_io = new io, digests yield digest_io digests end
封装 io,并更新 digests Hash 中每个摘要算法的内容。返回摘要哈希。示例
io = StringIO.new digests = { 'SHA1' => OpenSSL::Digest.new('SHA1'), 'SHA512' => OpenSSL::Digest.new('SHA512'), } Gem::Package::DigestIO.wrap io, digests do |digest_io| digest_io.write "hello" end digests['SHA1'].hexdigest #=> "aaf4c61d[...]" digests['SHA512'].hexdigest #=> "9b71d224[...]"
Public Instance Methods
Source
# File lib/rubygems/package/digest_io.rb, line 54 def write(data) result = @io.write data @digests.each do |_, digest| digest << data end result end
将 data 写入底层 IO 并更新摘要