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<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>try_require (Rack::Handler)</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <link rel="stylesheet" href="../../.././rdoc-style.css" type="text/css" media="screen" /> </head> <body class="standalone-code"> <pre><span class="ruby-comment cmt"># File lib/rack/handler.rb, line 74</span> <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">try_require</span>(<span class="ruby-identifier">prefix</span>, <span class="ruby-identifier">const_name</span>) <span class="ruby-identifier">file</span> = <span class="ruby-identifier">const_name</span>.<span class="ruby-identifier">gsub</span>(<span class="ruby-regexp re">/^[A-Z]+/</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">pre</span><span class="ruby-operator">|</span> <span class="ruby-identifier">pre</span>.<span class="ruby-identifier">downcase</span> }. <span class="ruby-identifier">gsub</span>(<span class="ruby-regexp re">/[A-Z]+[^A-Z]/</span>, <span class="ruby-value str">'_\&'</span>).<span class="ruby-identifier">downcase</span> <span class="ruby-identifier">require</span>(<span class="ruby-operator">::</span><span class="ruby-constant">File</span>.<span class="ruby-identifier">join</span>(<span class="ruby-identifier">prefix</span>, <span class="ruby-identifier">file</span>)) <span class="ruby-keyword kw">nil</span> <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">LoadError</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">error</span> <span class="ruby-identifier">error</span> <span class="ruby-keyword kw">end</span></pre> </body> </html>
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