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authorknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2006-10-13 12:02:32 +0000
committerknu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2006-10-13 12:02:32 +0000
commit3a4ce48c7502afbfd9303b31ada124e892a249fb (patch)
tree606795abab1fb20a372e43aa6b48e3d09815d743 /ext/digest/lib
parentf678390e1f7e2e8556b160202a482baa64d67f9d (diff)
* 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. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11155 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/digest/lib')
-rw-r--r--ext/digest/lib/digest.rb18
1 files changed, 15 insertions, 3 deletions
diff --git a/ext/digest/lib/digest.rb b/ext/digest/lib/digest.rb
index c277a0e..dc91e94 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