class Asciidoctor::HTML5::DocumentTemplate

def template 

def template
  @template ||= @eruby.new <<-EOS
#encoding:UTF-8%><!DOCTYPE html>
tml<% unless attr? :nolang %> lang="<%= attr :lang, 'en' %>"<% end %>>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=<%= attr :encoding %>">
  <meta name="generator" content="Asciidoctor <%= attr 'asciidoctor-version' %>">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <% if attr? :description %>
  <meta name="description" content="<%= attr :description %>">
  <% end %>
  <% if attr? :keywords %>
  <meta name="keywords" content="<%= attr :keywords %>">
  <% end %>
  <title><%= doctitle %></title>
  <% if DEFAULT_STYLESHEET_KEYS.include?(attr 'stylesheet') %>
  <% if @safe >= SafeMode::SECURE || (attr? 'linkcss') %>
  <link rel="stylesheet" href="<%= normalize_web_path(DEFAULT_STYLESHEET_NAME, (attr :stylesdir, '')) %>">
  <% else %>
  <style>
= read_asset DEFAULT_STYLESHEET_PATH %>
  </style>
  <% end %>
  <% elsif attr? :stylesheet %>
  <% if attr? 'linkcss' %>
  <link rel="stylesheet" href="<%= normalize_web_path((attr :stylesheet), attr(:stylesdir, '')) %>">
  <% else %>
  <style>
= read_asset normalize_system_path(attr(:stylesheet), attr(:stylesdir, '')), true %>
  </style>
  <% end %>
  <% end %>
  <% case attr 'source-highlighter' %><%
  when 'coderay' %>
  <% if (attr 'coderay-css', 'class') == 'class' %>
  <style>
= template.class.default_coderay_stylesheet %>
  </style>
  <% end %><%
  when 'highlightjs' %>
  <link rel="stylesheet" href="<%= (attr :highlightjsdir, 'http://cdnjs.cloudflare.com/ajax/libs/highlight.js/7.3') %>/styles/<%= (attr 'highlightjs-theme', 'default') %>.min.css">
  <script src="<%= (attr :highlightjsdir, 'http://cdnjs.cloudflare.com/ajax/libs/highlight.js/7.3') %>/highlight.min.js"></script>
  <script>hljs.initHighlightingOnLoad()</script>
  <% end %>
= docinfo %>
</head>
<body#{id} class="<%= doctype %>"<% if attr? 'max-width' %> style="max-width: <%= attr 'max-width' %>;"<% end %>>
  <% unless noheader %>
  <div id="header">
    <% if has_header? %>
    <% unless notitle %>
    <h1><%= @header.title %></h1>
    <% end %>
    <% if attr? :author %><span id="author"><%= attr :author %></span><br>
    <% if attr? :email %><span id="email"><%= sub_macros(attr :email) %></span><br><% end %><% end %>
    <% if attr? :revnumber %><span id="revnumber">version <%= attr :revnumber %><%= attr?(:revdate) ? ',' : '' %></span><% end %>
    <% if attr? :revdate %><span id="revdate"><%= attr :revdate %></span><% end %>
    <% if attr? :revremark %><br><span id="revremark"><%= attr :revremark %></span><% end %>
    <% end %>
    <% if (attr? :toc) && (attr? 'toc-placement', 'auto') %>
    <div id="toc" class="<%= attr 'toc-class', 'toc' %>">
      <div id="toctitle"><%= attr 'toc-title' %></div>
= template.class.outline(self, (attr :toclevels, 2).to_i) %>
    </div>
    <% end %>
  </div>
  <% end %>
  <div id="content">
= content %>
  </div>
  <% unless !footnotes? || attr?(:nofootnotes) %><div id="footnotes">
    <hr>
    <% footnotes.each do |fn| %>
    <div class="footnote" id="_footnote_<%= fn.index %>">
      <a href="#_footnoteref_<%= fn.index %>"><%= fn.index %></a>. <%= fn.text %>
    </div>
    <% end %>
  </div>
  <% end %>
  <div id="footer">
    <div id="footer-text">
      <% if attr? :revnumber %>Version <%= attr :revnumber %><br><% end %>
      Last updated <%= attr :docdatetime %>
    </div>
  </div>
</body>
html>
  EOS
end