inflectors.rb

require 'iconv'

module ActiveSupport
  module Inflector
    extend self
  
    def slugize(words, slug = '-')
      sluged = Iconv.iconv('ascii//TRANSLIT//IGNORE', 'utf-8', words).to_s
      sluged.gsub!(/&/, 'and')
      sluged.gsub!(/[^\w_\-#{Regexp.escape(slug)}]+/i, slug)
      sluged.gsub!(/#{slug}{2,}/i, slug)
      sluged.gsub!(/^#{slug}|#{slug}$/i, '')
      url_encode(sluged.downcase)
    end
  
    def url_encode(word)
      URI.escape(word, /[^\w_+-]/i)
    end
  
  end
end

module ActiveSupport::CoreExtensions::String::Inflections
  def slugize(slug = '-')
    ActiveSupport::Inflector.slugize(self, slug)
  end
  
  def url_encode
    ActiveSupport::Inflector.url_encode(self)
  end
end