Editing ray

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class CodeFormatter def initialize(text) @text = text end def to_html text = @text.clone codes = [] text.gsub!(/^``` ?(.*?)\r?\n(.+?)\r?\n```\r?$/m) do |match| code = { :id => "CODE#{codes.size}ENDCODE", :name => ($1.empty? ? nil : $1), :content => $2 } codes << code "\n\n#{code[:id]}\n\n" end html = Redcarpet.new(text, :filter_html, :hard_wrap, :autolink, :no_intraemphasis).to_html codes.each do |code| html.sub!("<p>#{code[:id]}</p>") do <<-EOS <div class="code_block"> <div class="code_header"> #{CGI.escapeHTML(code[:name].to_s)} #{clippy(code[:content])} </div> #{CodeRay.scan(code[:content], language(code[:name])).div(:css => :class)} </div> EOS end end html end def language(path) case path when /\.yml$/ then "yaml" when /\.js$/ then "java_script" when /\.scss$/ then "css" when /\.erb$/, /\.html$/ then "rhtml" when /\.rb$/, /\.rake$/, /\.gemspec/, /file$/, /console$/ then "ruby" when /\./ then path[/\.([^.]+?)$/, 1] else path end end def clippy(text) id = "clippy_#{rand(10000000)}" <<-EOS <div id="#{id}" class="clippy"> <span style="display:none" class="clippy_code">#{CGI.escapeHTML(text)}</span> <span class="clippy_label"></span> <object type="application/x-shockwave-flash" data="/flash/clippy.swf" width="14" height="14" id="#{id}_flash"> <param name="movie" value="/flash/clippy.swf" /> <param name="allowScriptAccess" value="always" /> <param name="quality" value="high" /> <param name="scale" value="noscale" /> <param name="FlashVars" value="target=#{CGI.escape('#' + id)}" /> <param name="bgcolor" value="#E0E0E0" /> </object> </div> EOS end end

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Highlight as C C++ CSS Clojure Delphi ERb Groovy (beta) HAML HTML JSON Java JavaScript PHP Plain text Python Ruby SQL XML YAML diff code