# used from ActiveSupport
# Copyright (c) 2005-2009 David Heinemeier Hansson

class String
  
  def underscore
    self.gsub(/::/, '/').
      gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
      gsub(/([a-z\d])([A-Z])/,'\1_\2').
      tr("-", "_").
      downcase
  end
  
  def camelize
    self.gsub(/\/(.?)/) { "::#{$1.upcase}" }.gsub(/(?:^|_)(.)/) { $1.upcase }
  end
  
  def humanize
    self.gsub(/_id$/, "").gsub(/_/, " ").capitalize
  end
end