GitHub Flavored Markdown parser

github-flavored-markdown.rb

#!/usr/local/bin/ruby

# To parse GitHub Flavored Markdown
#
# Setup
#   $ sudo easy_install pygments
#   $ sudo gem install pygments.rb
#   $ sudo gem install redcarpet
require 'redcarpet'
require 'pathname'
require 'pygments.rb'

class HTMLwithPygments < Redcarpet::Render::XHTML
  def doc_header()
    ghf_css_path = File.join File.dirname(File.dirname Pathname.new(__FILE__).realpath),
    'ghf_marked.css'
    # puts Pygments.styles()
    # monokai
    # manni
    # perldoc
    # borland
    # colorful
    # default
    # murphy
    # vs
    # trac
    # tango
    # fruity
    # autumn
    # bw
    # emacs
    # vim
    # pastie
    # friendly
    # native
    # '<style>' + Pygments.css('.highlight',:style => 'vs') + '</style>'
    if UNSTYLED
      '<div class="md"><article>'
    else
      '<style>' + File.read(ghf_css_path) + '</style><div class="md"><article>'
    end
  end
  def doc_footer
    '</article></div>'
  end
  def block_code(code, language)
    Pygments.highlight(code, :lexer => language, :options => {:encoding => 'utf-8'})
  end
end


def fromMarkdown(text)
  # options = [:fenced_code => true, :generate_toc => true, :hard_wrap => true, :no_intraemphasis => true, :strikethrough => true ,:gh_blockcode => true, :autolink => true, :xhtml => true, :tables => true]
  markdown = Redcarpet::Markdown.new(Redcarpet::Render::SmartyHTML,
    :fenced_code_blocks => true,
    :no_intra_emphasis => true,
    :autolink => true,
    :strikethrough => true,
    :lax_html_blocks => true,
    :superscript => true,
    :hard_wrap => true,
    :tables => true,
    :xhtml => true)
  markdown.render(text)
end

path   = ENV['MARKED_PATH'] # for Marked.app http://itunes.apple.com/jp/app/marked/id448925439?mt=12
path ||= ARGV[0]
puts fromMarkdown(File.read(path))