added basic structure, it know how to find the type of sth

Gemfile

@@ -0,0 +1,4 @@
+source "http://rubygems.org"
+
+gem "rest-client", "~> 1.6.7"
+gem "nokogiri", "~> 1.5.5"

Rakefile

@@ -4,7 +4,6 @@ def command?(command)
   system("type #{command} > /dev/null 2>&1")
 end
 
-
 #
 # Gems
 #
@@ -19,6 +18,16 @@ task :push => [:gem] do
   sh "gem push #{file}"
 end
 
+desc "Install gem."
+task :install => [:gem] do
+  sh "gem install hn2json-#{HN2JSON::VERSION}.gem"
+end
+
+desc "Build the gem, install it and open irb."
+task :irb => [:install] do
+  sh "irb -r hn2json"
+end
+
 desc "tag version"
 task :tag do
   sh "git tag v#{HN2JSON::VERSION}"
@@ -28,5 +37,5 @@ end
 
 desc "tag version and push gem to server"
 task :release => [:push, :tag] do 
-  puts "And away she goes!"
+  puts "And away it goes!"
 end

hn2json.gemspec

@@ -0,0 +1,27 @@
+require File.dirname(__FILE__) + '/lib/hn2json/version'
+
+Gem::Specification.new do |s|
+  s.name              = "hn2json"
+  s.version           = HN2JSON::VERSION
+  s.date              = Time.now.strftime('%Y-%m-%d')
+  s.summary           = "A Ruby interface to HackerNews"
+  s.homepage          = "http://github.com/jcla1/HN2JSON"
+  s.email             = "whitegolem@gmail.com"
+  s.authors           = [ "Joseph Adams" ]
+  s.has_rdoc          = false
+
+  s.files             = %w( README.md Rakefile LICENSE )
+  s.files            += Dir.glob("lib/**/*")
+
+  s.add_dependency    "rest-client",  "~> 1.6.7"
+  s.add_dependency    "nokogiri",  "~> 1.5.5"
+
+  #s.files            += Dir.glob("bin/**/*")
+  #s.executables       = %w( hn2json )
+
+  s.description       = <<desc
+    HN2JSON is a developer frendly interface to HackerNews.
+    It provides the functionality to retrieve any HN content
+    page in stringified JSON or a Ruby object.
+desc
+end

lib/hn2json.rb

@@ -0,0 +1,13 @@
+require 'rest-client'
+require 'nokogiri'
+
+module HN2JSON
+  autoload :Request,    'hn2json/request'
+
+  autoload :Parser,     'hn2json/parser'
+
+  autoload :Entity,      'hn2json/entity'
+
+
+  autoload :VERSION,    'hn2json/version'
+end

lib/hn2json/entity.rb

@@ -0,0 +1,37 @@
+module HN2JSON
+
+  class Entity
+
+    attr_accessor :type, :id, :parent, :url, :title, :comments, :votes
+    attr_accessor :full_text, :posted_by, :date_posted, :voting_on
+
+    def initialize id
+      @id = id
+
+      @type = nil
+      @parent = nil
+      @url = nil
+      @title = nil
+      @full_text = nil
+      @posted_by = nil
+      @date_posted = nil
+      @voting_on = nil
+      @comments = nil
+      @votes = nil
+
+      get_page
+      determine_type
+    end
+
+    def get_page
+      @html = Request.new(id)
+      @parser = Parser.new @html
+    end
+
+    def determine_type
+      @type = @parser.determine_type
+    end
+
+  end
+
+end

lib/hn2json/parser.rb

@@ -0,0 +1,34 @@
+module HN2JSON
+
+  # Public: Parse HTML to produce HackerNews entities
+
+  class Parser
+    def initialize response
+      @doc = Nokogiri::HTML::DocumentFragment.parse response.html
+    end
+
+
+    def determine_type
+      title = @doc.css('.title a')
+
+      if title.length < 1
+        return :comment
+      else
+        forms = @doc.css('td form')
+        if forms.length === 1
+          return :poll
+        else
+          forms = @doc.css('td')[10].css('form')
+          if forms.length === 1
+            return :post
+          else
+            return :discussion
+          end
+        end
+      end
+
+    end
+
+  end
+
+end

lib/hn2json/request.rb

@@ -0,0 +1,21 @@
+module HN2JSON
+
+  class Request
+    attr_accessor :html
+
+    def initialize id
+      @base_url = "http://news.ycombinator.com/item?id="
+      @complete_url = @base_url + id.to_s
+
+      request_page
+    end
+
+    private
+
+    def request_page
+      @html = RestClient.get @complete_url
+    end
+
+  end
+
+end