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<pre><span class="ruby-comment cmt"># File lib/rack/static.rb, line 83</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">app</span>, <span class="ruby-identifier">options</span>={})
<span class="ruby-ivar">@app</span> = <span class="ruby-identifier">app</span>
<span class="ruby-ivar">@urls</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:urls</span>] <span class="ruby-operator">||</span> [<span class="ruby-value str">"/favicon.ico"</span>]
<span class="ruby-ivar">@index</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:index</span>]
<span class="ruby-identifier">root</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:root</span>] <span class="ruby-operator">||</span> <span class="ruby-constant">Dir</span>.<span class="ruby-identifier">pwd</span>
<span class="ruby-comment cmt"># HTTP Headers</span>
<span class="ruby-ivar">@header_rules</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:header_rules</span>] <span class="ruby-operator">||</span> []
<span class="ruby-comment cmt"># Allow for legacy :cache_control option while prioritizing global header_rules setting</span>
<span class="ruby-ivar">@header_rules</span>.<span class="ruby-identifier">insert</span>(<span class="ruby-value">0</span>, [<span class="ruby-identifier">:all</span>, {<span class="ruby-value str">'Cache-Control'</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:cache_control</span>]}]) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:cache_control</span>]
<span class="ruby-ivar">@file_server</span> = <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">File</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">root</span>)
<span class="ruby-keyword kw">end</span></pre>
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