add script for "Rubyソースコード完全解説 (Ruby Hacking Guide)"

misc/ruby_hacking_guide.rb

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+%w(uri json nokogiri curb cgi).each {|g| require g }
+
+root = 'http://i.loveruby.net/ja/rhg/book/'
+book = {
+  :title         => 'Rubyソースコード完全解説',
+  :authors       => [ 'Minero Aoki' ],
+  :cover_image   => 'http://direct.ips.co.jp/directsys/Images/Goods/1/1721B.gif',
+  :content_xpath => '//body',
+  :chapters      => []
+}
+
+def curl(url)
+  c = Curl::Easy.new(url.to_s)
+  c.follow_location = true
+  c.perform
+  c.body_str
+end
+
+doc = Nokogiri::HTML(curl(root))
+doc.xpath('//ul/li/a').each do |a|
+  chapter_url = URI(root) + a[:href]
+  chapter = {
+    :uri   => chapter_url,
+    :title => a.text,
+  }
+  book[:chapters] << chapter
+end
+
+puts JSON.pretty_generate(book)