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-rw-r--r--ChangeLog8
-rw-r--r--ext/digest/lib/digest.rb18
2 files changed, 23 insertions, 3 deletions
diff --git a/ChangeLog b/ChangeLog
index 0bcc8b53df..bb7961d247 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+Fri Oct 13 21:00:01 2006 Akinori MUSHA <knu@iDaemons.org>
+
+ * ext/digest/lib/digest.rb (Digest): Try to auto-load non-standard
+ digest modules when a specified digest class is missing.
+
+ * ext/digest/lib/digest.rb: Define Digest(name) for ease of
+ dynamically selecting a hashing algorithm.
+
Fri Oct 13 20:53:37 2006 Akinori MUSHA <knu@iDaemons.org>
* ext/digest/digest.c (Init_digest): Digest::Base.new() does no
diff --git a/ext/digest/lib/digest.rb b/ext/digest/lib/digest.rb
index c277a0eea5..dc91e9444e 100644
--- a/ext/digest/lib/digest.rb
+++ b/ext/digest/lib/digest.rb
@@ -1,13 +1,21 @@
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"
+ def self.const_missing(name)
+ begin
+ require File.join('digest', name.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 Base
# creates a digest object and read given file, _name_.
#
@@ -25,3 +33,7 @@ module Digest
end
end
end
+
+def Digest(name)
+ Digest.const_get(name)
+end