Basic Stasis/Kramdown powered blog

controller.rb

require 'kramdown'
require 'nokogiri'

ABBREVIATIONS = <<abbrev

*[DSL]:  Domain-specific language
*[REPL]: Read-eval-print loop
*[DDL]:  Data definition language
*[PORO]: Plain Old Ruby Object
abbrev

module Base

  def self.github2kramdown content
    content.gsub! /^```(.+)/, "{::comment}\nbrush: \\1\n{:/comment}\n~~~"
    content.gsub! /^```$/, '~~~'
  end

  def self.parse content
    github2kramdown content
    content = Kramdown::Document.new(content).to_html
    document = Nokogiri::HTML(content)
    content = document.root()
    content.css('h1').remove
    [document, content]
  end

  def self.wrap document, content
    wrapper = Nokogiri::XML::Node.new('div', document)
    content.each { |c| c.parent = wrapper }
    wrapper
  end

  def self.pre content
    content.xpath('//comment()').each do |node|
      pre = node.next.next
      pre['class'] = node.content.strip
      pre.children = pre.children.inner_html
      node.remove
    end
  end

  def self.md path
    content = File.read File.expand_path(path, File.dirname(__FILE__))
    content += ABBREVIATIONS
    document, content = parse content
    pre content
    content.css('body').children.to_html
  end

end

before /.*\.md/ do |action|
  instead Base.md(action.params[:path])
end

ignore /Gemfile/

Gemfile

source 'http://rubygems.org/'

gem 'coffee-script'
gem 'compass'
gem 'guard'
gem 'guard-shell'
gem 'haml'
gem 'rb-inotify'
gem 'kramdown'
gem 'nokogiri'
gem 'sass'
gem 'slop'
gem 'stasis', git: 'git@github.com:budu/stasis.git'