Untitled

require 'rubygems'

$LOAD_PATH.unshift File.dirname(__FILE__) + '/lib'

require 'sinatra'
require 'erubis'

require 'sinatra/static_assets'

set :erubis, :pattern => '\{% %\}', :trim => true

require 'rdiscount'

set :markdown, :layout => false

helpers do
  # Capture a block of content to be rendered later:
  #
  # {% content_for :head do %}
  #   <script type="text/javascript" src="/js/deadline.js"></script>
  # {% end %}
  def content_for(key, &block)
    content_blocks[key.to_sym] << block
  end

  def content_for?(key)
    content_blocks.has_key?(key.to_sym)
  end

  def content_blocks
    @content_blocks ||= Hash.new {|h,k| h[k] = [] }
  end

  # Render the captured block:
  #
  # <head>{%= output_content_for :head %}</head>
  #
  # This passes <tt>1</tt> and <tt>2</tt> to the block
  # registered for <tt>:head</tt>.
  def output_content_for(key)
    content_blocks[key.to_sym].map do |content|
      content.call
    end.join
  end

  # Use the captured block:
  #
  # <head>
  #   <title><%= content_for?(:title) ? output_content_for(:title) : "Untitled" %></title>
  # </head>
  def title(page_title, show_title = true)
    content_for(:title) { page_title.to_s }
    @show_title = show_title
  end

  def show_title?
    @show_title
  end

  # Use in the head:
  #
  # <head>{%= output_content_for(:head) %}</head>
  def stylesheets(*args)
    content_for(:head) { stylesheet_link_tag(*args) }
  end

  def javascripts(*args)
    content_for(:head) { javascript_script_tag(*args) }
  end
end

get '/about' do
   "I'm running version " + Sinatra::VERSION
end

get '/' do
  erubis markdown(:index)
end

__END__

@@layout
<meta charset="utf-8" />
<title>{%= content_for?(:title) ? output_content_for(:title) : "Untitled" %}</title>
{%= output_content_for(:head) -%}
<body>
{% if content_for?(:title) && show_title? %}
<h1>{%= output_content_for(:title) %}</h1>
{% end %}
{%= yield %}

@@ index
{% javascripts "/js/application.js" %}
{% stylesheets "/css/application.css" %}
{% title "Hello Markdown!" %}
Sinatra & Tilt are awesome!