Contents

module Jekyll
  class Engine
    include Filters
    attr_reader   :site, :page, :content
    attr_accessor :layout, :content

    def initialize(payload)
      @site      = OpenStruct.new(payload['site'])
      @page      = OpenStruct.new(payload['page'])
      @paginator = OpenStruct.new(payload['paginator']) if payload['paginator']
    end

    def erb
      ERB.new(@layout || @content)
    end

    def render
      erb.result(binding)
    end

    def include_file(file)
      file = file.strip

      if file !~ /^[a-zA-Z0-9_\/\.-]+$/ || file =~ /\.\// || file =~ /\/\./
        return "Include file '#{file}' contains invalid characters or sequences"
      end
      Dir.chdir(File.join(@site.source, '_includes')) do
        choices = Dir['**/*'].reject { |x| File.symlink?(x) }
        if choices.include?(file)
          source = File.read(file)
          ERB.new(source).result(binding)
        else
          "Included file '#{@file}' not found in _includes directory"
        end
      end
    end

    def highlight(text, lang = :ruby)
      if @site.pygments
        render_pygments(text, lang)
      else
        render_codehighlighter(text, lang)
      end
    end

    def render_pygments(text, lang)
      output = add_code_tags(Albino.new(text, lang).to_s, lang)
      case @page.content_type
        when "markdown" then "\n" + output + "\n"
        when "textile" then "<notextile>" + output + "</notextile>"
        else output
      end
    end

    def render_codehighlighter(text, lang)
    #The div is required because RDiscount blows ass
      <<-HTML
<div>
<pre>
<code class='#{lang}'>#{h(text).strip}</code>
</pre>
</div>
      HTML
    end

    def add_code_tags(code, lang)
      # Add nested <code> tags to code blocks
      code = code.sub(/<pre>/,'<pre><code class="' + lang.to_s + '">')
      code = code.sub(/<\/pre>/,"</code></pre>")
    end

  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
blackwinter-jekyll-0.5.7	lib/jekyll/engine.rb