Change Inflector#constantize to use eval instead of const_get

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3049 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 5 insertions, 3 deletions

diff --git a/activesupport/lib/active_support/inflector.rb b/activesupport/lib/active_support/inflector.rb
index 7009628cb3..2e69b74c54 100644
--- a/activesupport/lib/active_support/inflector.rb
+++ b/activesupport/lib/active_support/inflector.rb
@@ -142,9 +142,11 @@ module Inflector
   end
 
   def constantize(camel_cased_word)
-    camel_cased_word.split("::").inject(Object) do |final_type, part| 
-      final_type = final_type.const_get(part)
-    end
+    raise NameError, "#{camel_cased_word.inspect} is not a valid constant name!" unless
+      camel_cased_word.split("::").all? { |part| /^[A-Z]\w*$/ =~ part }
+    
+    camel_cased_word = "::#{camel_cased_word}" unless camel_cased_word[0, 2] == '::'
+    Object.module_eval(camel_cased_word, __FILE__, __LINE__)
   end
 
   def ordinalize(number)