diff options
Diffstat (limited to 'ruby_1_9_3/ext/digest/lib/digest.rb')
-rw-r--r-- | ruby_1_9_3/ext/digest/lib/digest.rb | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/ruby_1_9_3/ext/digest/lib/digest.rb b/ruby_1_9_3/ext/digest/lib/digest.rb deleted file mode 100644 index 4a98af2eae..0000000000 --- a/ruby_1_9_3/ext/digest/lib/digest.rb +++ /dev/null @@ -1,88 +0,0 @@ -require 'digest.so' - -module Digest - def self.const_missing(name) # :nodoc: - case name - when :SHA256, :SHA384, :SHA512 - lib = 'digest/sha2.so' - else - lib = File.join('digest', name.to_s.downcase) - end - - begin - require lib - rescue LoadError - raise LoadError, "library not found for class Digest::#{name} -- #{lib}", caller(1) - end - unless Digest.const_defined?(name) - raise NameError, "uninitialized constant Digest::#{name}", caller(1) - end - Digest.const_get(name) - end - - class ::Digest::Class - # creates a digest object and reads a given file, _name_. - # - # p Digest::SHA256.file("X11R6.8.2-src.tar.bz2").hexdigest - # # => "f02e3c85572dc9ad7cb77c2a638e3be24cc1b5bea9fdbb0b0299c9668475c534" - def self.file(name) - new.file(name) - end - - # Returns the base64 encoded hash value of a given _string_. The - # return value is properly padded with '=' and contains no line - # feeds. - def self.base64digest(str, *args) - [digest(str, *args)].pack('m0') - end - end - - module Instance - # updates the digest with the contents of a given file _name_ and - # returns self. - def file(name) - File.open(name, "rb") {|f| - buf = "" - while f.read(16384, buf) - update buf - end - } - self - end - - # If none is given, returns the resulting hash value of the digest - # in a base64 encoded form, keeping the digest's state. - # - # If a +string+ is given, returns the hash value for the given - # +string+ in a base64 encoded form, resetting the digest to the - # initial state before and after the process. - # - # In either case, the return value is properly padded with '=' and - # contains no line feeds. - def base64digest(str = nil) - [str ? digest(str) : digest].pack('m0') - end - - # Returns the resulting hash value and resets the digest to the - # initial state. - def base64digest! - [digest!].pack('m0') - end - end -end - -# call-seq: -# Digest(name) -> digest_subclass -# -# Returns a Digest subclass by +name+. -# -# require 'digest' -# -# Digest("MD5") -# # => Digest::MD5 -# -# Digest("Foo") -# # => LoadError: library not found for class Digest::Foo -- digest/foo -def Digest(name) - Digest.const_get(name) -end |