Module: ActiveSupportString

Included in:
String
Defined in:
lib/inquisitio/active_support.rb

Overview

This is taken from ActiveSupport

Instance Method Summary collapse

Instance Method Details

#constantize ⇒ Object 



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# File 'lib/inquisitio/active_support.rb', line 3

def constantize
  names = self.split('::')
  names.shift if names.empty? || 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 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