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authorknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2006-10-25 08:54:05 +0000
committerknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2006-10-25 08:54:05 +0000
commit817afbd987d35e4d65f599270f3b42777698556f (patch)
tree05c2adf01a163a7014589d6479cf1e4a1ac9198f /ext/digest/lib/digest.rb
parent0bdf887afc78fb049295d78a9018701da094b8c3 (diff)
* ext/digest, test/digest/test_digest.rb: Merge from trunk:
- Introduce versioning in Digest::Base API, and prefix C constants with RUBY_ and C type names with rb_ to avoid name clash in writing extensions. - Introduce Digest::Class and Digest::Instance for ease of implementing subclasses and add-ons. - Digest::Instance module requires and assumes that any instance be resettable and clonable. An instance method #new() is added so digest instances work just like digest classes. - The constructor does no longer take an initial string to feed; digest() and hexdigest() now do, instead. This allows digest classes to take their own hashing parameters. - Make some changes to digest() and hexdigest() class methods, which now take extra arguments, which are passed through to the constructor in an internal call. - Add #digest_length/size/length() and #block_length(), - Add the Digest::SHA2 class to wrap up SHA2 variants: SHA256, SHA384 and SHA512, hoping this module would make a decent example of a digest subclass written in Ruby. - Rip BubbleBabble support out of the base class and have a separate module named digest/bubblebabble. - Remove RD documents in favor of newly written and embedded RDoc documentation. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@11223 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/digest/lib/digest.rb')
-rw-r--r--ext/digest/lib/digest.rb41
1 files changed, 30 insertions, 11 deletions
diff --git a/ext/digest/lib/digest.rb b/ext/digest/lib/digest.rb
index c277a0eea5..578c6f53d4 100644
--- a/ext/digest/lib/digest.rb
+++ b/ext/digest/lib/digest.rb
@@ -1,27 +1,46 @@
require 'digest.so'
module Digest
- autoload "MD5", "digest/md5"
- autoload "RMD160", "digest/rmd160"
- autoload "SHA1", "digest/sha1"
- autoload "SHA256", "digest/sha2"
- autoload "SHA384", "digest/sha2"
- autoload "SHA512", "digest/sha2"
+ autoload "SHA256", "digest/sha2.so"
+ autoload "SHA384", "digest/sha2.so"
+ autoload "SHA512", "digest/sha2.so"
- class Base
- # creates a digest object and read given file, _name_.
+ def self.const_missing(name)
+ begin
+ require File.join('digest', name.to_s.downcase)
+
+ return Digest.const_get(name) if Digest.const_defined?(name)
+ rescue LoadError => e
+ end
+
+ raise NameError, "Digest class not found: Digest::#{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)
- digest = self.new
+ new.file(name)
+ 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)
- digest.update buf
+ update buf
end
}
- digest
+ self
end
end
end
+
+def Digest(name)
+ Digest.const_get(name)
+end