module Omniorder::Utils

Public Class Methods

camelize(str) click to toggle source
# File lib/omniorder/utils.rb, line 30
def self.camelize(str)
  str.to_s.split('_').map { |w| w.capitalize }.join
end
constantize(camel_cased_word) click to toggle source

Extracted from activesupport/lib/active_support/inflector/methods.rb

# File lib/omniorder/utils.rb, line 4
def self.constantize(camel_cased_word)
  names = camel_cased_word.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