diff options
Diffstat (limited to 'activesupport/lib/active_support/inflector/methods.rb')
| -rw-r--r-- | activesupport/lib/active_support/inflector/methods.rb | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb index 39648727fd..9ca5a388f8 100644 --- a/activesupport/lib/active_support/inflector/methods.rb +++ b/activesupport/lib/active_support/inflector/methods.rb @@ -1,6 +1,5 @@ # encoding: utf-8 -require 'active_support/inflector/inflections' require 'active_support/inflections' module ActiveSupport @@ -219,7 +218,12 @@ module ActiveSupport # unknown. def constantize(camel_cased_word) names = camel_cased_word.split('::') - names.shift if names.empty? || names.first.empty? + + # Trigger a builtin NameError exception including the ill-formed constant in the message. + Object.const_get(camel_cased_word) if names.empty? + + # Remove the first blank element in case of '::ClassName' notation. + names.shift if names.size > 1 && names.first.empty? names.inject(Object) do |constant, name| if constant == Object @@ -314,9 +318,14 @@ module ActiveSupport private # Mount a regular expression that will match part by part of the constant. - # For instance, Foo::Bar::Baz will generate Foo(::Bar(::Baz)?)? + # + # const_regexp("Foo::Bar::Baz") # => /Foo(::Bar(::Baz)?)?/ + # const_regexp("::") # => /::/ def const_regexp(camel_cased_word) #:nodoc: parts = camel_cased_word.split("::") + + return Regexp.escape(camel_cased_word) if parts.blank? + last = parts.pop parts.reverse.inject(last) do |acc, part| |