browser.rb

require 'net/http'
require 'nokogiri'
require 'uri'

require_relative 'util'

class Browser
  def run!
    get_url

  end

  def get_url
    URI.parse(gets.chomp)
  end


    # Run the browser
    # Display a prompt for a user
    # Parse their input
    # Display useful results by instantiating
    #   a new Page and calling methods on it.
    
    # Questions:
    #  1. How can a user quit the browser gracefully?
    #  2. How can a user ask for help, i.e., how do they know what commands are available to them?
  end
end

Browser.new.run!

util.rb

class Page
  def initialize(url)
    @url = url
    @page = fetch!
    @page_as_object= nokogiri_parser
  end
  
  def fetch!
    Net::HTTP.get(URI.parse(@url))
  end

  def nokogiri_parser
    Nokogiri::HTML(@page)
  end
  
  def title
    @page_as_object.search('head title').text
  end
  
  def links
    @page_as_object.search('a').map{|link| link['href'].match(/https?:.+/)}.compact.map{|link| link[0]}

    # Research alert!
    # How do you use Nokogiri to extract all the link URLs on a page?
    #
    # These should only be URLs that look like
    #   <a href="http://somesite.com/page.html">Click here!</a>
    # This would pull out "http://somesite.com/page.html"
  end
end