Schlagwort: Redcarpet

Downloads in verschiedenen Formaten:

source code
mp4
m4v
webm
ogv

Resourcen:

• Rolling out the Redcarpet
• Redcarpet
• Redcarpet RDoc
• Pygments
• Rack Pygmentize

bash

[bash]
sudo easy_install pygments
[/bash]

Gemfile

[ruby]
gem ‚redcarpet‘
gem ‚albino‘
gem ’nokogiri‘
[/ruby]

application_helper.rb

[ruby]
def markdown(text)
options = [:hard_wrap, :filter_html, :autolink, :no_intraemphasis, :fenced_code, :gh_blockcode]
syntax_highlighter(Redcarpet.new(text, *options).to_html).html_safe
end

def syntax_highlighter(html)
doc = Nokogiri::HTML(html)
doc.search("//pre[@lang]").each do |pre|
pre.replace Albino.colorize(pre.text.rstrip, pre[:lang])
end
doc.to_s
end
[/ruby]

articles/show.html.erb

[html]
<%= markdown(@article.content) %>
[/html]