Pastable version of Template Method

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            <span style="margin:0;padding:4px 6px;font-size:12px;float:right;">From lib/sinatra.rb</span>
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            <pre class="sunburst"><span style="color:#E28964;">def</span> <span style="color:#89BDFF;">use_in_file_templates!</span>
  <span style="color:#E28964;">require</span> <span style="color:#65B042;"><span style="color:#65B042;">'</span>stringio<span style="color:#65B042;">'</span></span>
  templates <span style="color:#E28964;">=</span> <span style="color:#9B859D;">Hash</span>.<span style="color:#89BDFF;">new</span>
  templates <span style="color:#E28964;">=</span> <span style="color:#3E87E3;">IO</span>.<span style="color:#89BDFF;">read</span>(caller.<span style="color:#89BDFF;">first</span>.<span style="color:#89BDFF;">split</span>(<span style="color:#65B042;"><span style="color:#65B042;">'</span>:<span style="color:#65B042;">'</span></span>).<span style="color:#89BDFF;">first</span>).<span style="color:#89BDFF;">split</span>(<span style="color:#65B042;"><span style="color:#65B042;">'</span>__FILE__<span style="color:#65B042;">'</span></span>).<span style="color:#89BDFF;">last</span>
  data <span style="color:#E28964;">=</span> <span style="color:#9B859D;">StringIO</span>.<span style="color:#89BDFF;">new</span>(templates)
  current_template <span style="color:#E28964;">=</span> <span style="color:#3387CC;">nil</span>
  data.<span style="color:#89BDFF;">each</span> <span style="color:#E28964;">do </span>|<span style="color:#3E87E3;">line</span>|
    <span style="color:#E28964;">if</span> line <span style="color:#E28964;">=~</span> <span style="color:#E9C062;"><span style="color:#E9C062;">/</span></span><span style="color:#E9C062;">^@@<span style="color:#CF7D34;">\s</span>?<span style="color:#E9C062;"><span style="color:#E9C062;">(</span>.*<span style="color:#E9C062;">)</span></span></span><span style="color:#E9C062;"><span style="color:#E9C062;">/</span></span>
      current_template <span style="color:#E28964;">=</span> <span style="color:#3E87E3;"><span style="color:#3E87E3;">$</span>1</span>.<span style="color:#89BDFF;">to_sym</span>
      <span style="color:#9B859D;">Sinatra</span>.<span style="color:#89BDFF;">application</span>.<span style="color:#89BDFF;">templates</span>[current_template] <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">'</span><span style="color:#65B042;">'</span></span>
    <span style="color:#E28964;">elsif</span> current_template
      <span style="color:#9B859D;">Sinatra</span>.<span style="color:#89BDFF;">application</span>.<span style="color:#89BDFF;">templates</span>[current_template] <span style="color:#E28964;">&lt;&lt;</span> line
    <span style="color:#E28964;">end</span>
  <span style="color:#E28964;">end</span>
<span style="color:#E28964;">end</span>
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