gistfile1.rb

# -*- coding: utf-8 -*-
require 'cgi'
require 'rexml/document'
require 'open-uri'

class Suggest
  attr_reader :response

  def initialize
    @query_base = "http://www.google.co.jp/complete/search?output=toolbar&hl=ja&q=%s"
    self
  end

  def request word
    @response = open(sprintf(@query_base, CGI::escape(word))).read
    self
  end

  def words
    doc = REXML::Document.new @response
    suggested_words = []
    doc.get_elements('//toplevel/CompleteSuggestion').each do |e|
      suggested_words << e.elements['suggestion'].attributes['data']
    end
    suggested_words
  end

end