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-rw-r--r--activesupport/lib/active_support/inflector/methods.rb13
1 files changed, 7 insertions, 6 deletions
diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index 51720d0192..0e3c8517d1 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -91,7 +91,7 @@ module ActiveSupport
def underscore(camel_cased_word)
return camel_cased_word unless camel_cased_word =~ /[A-Z-]|::/
word = camel_cased_word.to_s.gsub('::', '/')
- word.gsub!(/(?:([A-Za-z\d])|^)(#{inflections.acronym_regex})(?=\b|[^a-z])/) { "#{$1}#{$1 && '_'}#{$2.downcase}" }
+ word.gsub!(/(?:(?<=([A-Za-z\d]))|\b)(#{inflections.acronym_regex})(?=\b|[^a-z])/) { "#{$1 && '_'}#{$2.downcase}" }
word.gsub!(/([A-Z\d]+)([A-Z][a-z])/,'\1_\2')
word.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
word.tr!("-", "_")
@@ -303,8 +303,8 @@ module ActiveSupport
def safe_constantize(camel_cased_word)
constantize(camel_cased_word)
rescue NameError => e
- raise unless e.message =~ /(uninitialized constant|wrong constant name) #{const_regexp(camel_cased_word)}$/ ||
- e.name.to_s == camel_cased_word.to_s
+ raise if e.name && !(camel_cased_word.to_s.split("::").include?(e.name.to_s) ||
+ e.name.to_s == camel_cased_word.to_s)
rescue ArgumentError => e
raise unless e.message =~ /not missing constant #{const_regexp(camel_cased_word)}\!$/
end
@@ -348,10 +348,11 @@ module ActiveSupport
private
- # Mount a regular expression that will match part by part of the constant.
+ # Mounts a regular expression, returned as a string to ease interpolation,
+ # that will match part by part the given constant.
#
- # const_regexp("Foo::Bar::Baz") # => /Foo(::Bar(::Baz)?)?/
- # const_regexp("::") # => /::/
+ # const_regexp("Foo::Bar::Baz") # => "Foo(::Bar(::Baz)?)?"
+ # const_regexp("::") # => "::"
def const_regexp(camel_cased_word) #:nodoc:
parts = camel_cased_word.split("::")