jinroh/gist:1919161

## gistfile1.rb
#!/usr/bin/env ruby

require 'rubygems'
require 'redcarpet'
require 'albino'

class SyntaxRenderer < Redcarpet::Render::HTML
  def initialize(options)
    super options
    @style  = options[:style]
    @otoc   = options[:toc]
    @toc    = ""
    @rlevel = nil
  end

  def doc_header
    <<-HTML.gsub /^\s+/, ""
    <!DOCTYPE HTML>
    <html lang="en-US">
    <head>
    <meta charset="UTF-8">
    --TITLE
    <link rel="stylesheet" href="#{@style}">
    </head>
    <body>
    <header>
    --TOC
    </header>
    HTML
  end

  def doc_footer
    <<-HTML.gsub /^\s+/, ""
    </body>
    </html>
    HTML
  end

  def header(text, level)
    header = ""
    if (@rlevel == nil)
      @title  = text
      @rlevel = level
      header << "<section id=\"title\">\n"
      header << "<h1>#{text}</h1>\n"
    else
      if (@rlevel - level >= 0)
        header << "</section>\n" * (@rlevel - level + 1)
        @toc << "</li>\n" + "</ul>\n</li>\n" * (@rlevel - level) unless @toc.empty?
      else
        @toc << "<ul>\n" + "<li>\n<ul>\n" * (level - @rlevel - 1)
      end

      id = text.downcase.gsub(/\ /, '-')
      header << "<section id=\"#{id}\">\n"
      header << "<h#{level}>#{text}</h#{level}>\n"

      @toc << "<li>\n"
      @toc << "<a href=\"\##{id}\">#{text}</a>"

      @rlevel  = level
    end
    header
  end

  def block_code(code, language)
    if language && !language.empty?
      Albino.colorize(code, language)
    else
      "<pre><code>#{code}</code></pre>"
    end
  end

  def preprocess(full_document)
    @text = full_document
  end

  def postprocess(full_document)
    full_document.gsub(/--TITLE/, self.title)
                 .gsub(/--TOC/, self.toc)
  end

  def toc
    @otoc ? "<nav id=\"toc\"><ul>\n#{@toc}\n</ul></nav>" : ""
  end

  def title
    "<title>#{@title}</title>"
  end
end

def markdown(text)
  renderer = SyntaxRenderer.new(
    :style         => "style.css",
    :toc           => true,
    :hard_wrap     => true,
    :xhtml         => true
  )
  markdown = Redcarpet::Markdown.new(renderer,
    :fenced_code_blocks  => true,
    :no_intra_emphasis   => true,
    :tables              => true,
    :autolink            => true,
    :strikethrough       => true,
    :space_after_headers => true
  )
  markdown.render(text);
end

puts markdown(ARGF.read)
	#!/usr/bin/env ruby

	require 'rubygems'
	require 'redcarpet'
	require 'albino'

	class SyntaxRenderer < Redcarpet::Render::HTML
	def initialize(options)
	super options
	@style = options[:style]
	@otoc = options[:toc]
	@toc = ""
	@rlevel = nil
	end

	def doc_header
	<<-HTML.gsub /^\s+/, ""
	<!DOCTYPE HTML>
	<html lang="en-US">
	<head>
	<meta charset="UTF-8">
	--TITLE
	<link rel="stylesheet" href="#{@style}">
	</head>
	<body>
	<header>
	--TOC
	</header>
	HTML
	end

	def doc_footer
	<<-HTML.gsub /^\s+/, ""
	</body>
	</html>
	HTML
	end

	def header(text, level)
	header = ""
	if (@rlevel == nil)
	@title = text
	@rlevel = level
	header << "<section id=\"title\">\n"
	header << "<h1>#{text}</h1>\n"
	else
	if (@rlevel - level >= 0)
	header << "</section>\n" * (@rlevel - level + 1)
	@toc << "</li>\n" + "</ul>\n</li>\n" * (@rlevel - level) unless @toc.empty?
	else
	@toc << "<ul>\n" + "<li>\n<ul>\n" * (level - @rlevel - 1)
	end

	id = text.downcase.gsub(/\ /, '-')
	header << "<section id=\"#{id}\">\n"
	header << "<h#{level}>#{text}</h#{level}>\n"

	@toc << "<li>\n"
	@toc << "<a href=\"\##{id}\">#{text}</a>"

	@rlevel = level
	end
	header
	end

	def block_code(code, language)
	if language && !language.empty?
	Albino.colorize(code, language)
	else
	"<pre><code>#{code}</code></pre>"
	end
	end

	def preprocess(full_document)
	@text = full_document
	end

	def postprocess(full_document)
	full_document.gsub(/--TITLE/, self.title)
	.gsub(/--TOC/, self.toc)
	end

	def toc
	@otoc ? "<nav id=\"toc\"><ul>\n#{@toc}\n</ul></nav>" : ""
	end

	def title
	"<title>#{@title}</title>"
	end
	end

	def markdown(text)
	renderer = SyntaxRenderer.new(
	:style => "style.css",
	:toc => true,
	:hard_wrap => true,
	:xhtml => true
	)
	markdown = Redcarpet::Markdown.new(renderer,
	:fenced_code_blocks => true,
	:no_intra_emphasis => true,
	:tables => true,
	:autolink => true,
	:strikethrough => true,
	:space_after_headers => true
	)
	markdown.render(text);
	end

	puts markdown(ARGF.read)