Module: Pipe::Ext::Inflection
- Defined in:
- lib/pipe/ext/inflection.rb
Class Method Summary collapse
-
.constantize(camel_cased_word) ⇒ Object
ripped from ActiveSupport#Inflections github.com/rails/rails/blob/861b70e92f4a1fc0e465ffcf2ee62680519c8f6f/activesupport/lib/active_support/inflector/methods.rb#L249.
Class Method Details
.constantize(camel_cased_word) ⇒ Object
ripped from ActiveSupport#Inflections github.com/rails/rails/blob/861b70e92f4a1fc0e465ffcf2ee62680519c8f6f/activesupport/lib/active_support/inflector/methods.rb#L249
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# File 'lib/pipe/ext/inflection.rb', line 6 def self.constantize(camel_cased_word) names = camel_cased_word.split('::') # Trigger a built-in 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 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 if it is owned directly. The check # stops when we reach Object or the end of ancestors tree. 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 |