diff options
Diffstat (limited to 'activesupport/lib/active_support/inflector/methods.rb')
| -rw-r--r-- | activesupport/lib/active_support/inflector/methods.rb | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb index 48296841aa..2acc6ddee5 100644 --- a/activesupport/lib/active_support/inflector/methods.rb +++ b/activesupport/lib/active_support/inflector/methods.rb @@ -198,12 +198,29 @@ module ActiveSupport # # NameError is raised when the name is not in CamelCase or the constant is # unknown. - def constantize(camel_cased_word) #:nodoc: + def constantize(camel_cased_word) names = camel_cased_word.split('::') names.shift if names.empty? || names.first.empty? names.inject(Object) do |constant, name| - constant.const_get(name, false) + if constant == Object + constant.const_get(name) + else + candidate = constant.const_get(name) + next candidate if constant.const_defined?(name, false) + next candidate unless Object.const_defined?(name) + + # Go down the ancestors to check it it's owned + # directly before we reach Object or the end of ancestors. + constant = constant.ancestors.inject do |const, ancestor| + break const if ancestor == Object + break ancestor if ancestor.const_defined?(name, false) + const + end + + # owner is in Object, so raise + constant.const_get(name, false) + end end end |