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<title>module Rack::Reloader::Stat - rack-2.2.8 Documentation</title>
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<h3>Methods</h3>
<ul class="link-list" role="directory">
<li ><a href="#method-i-figure_path">#figure_path</a>
<li ><a href="#method-i-rotation">#rotation</a>
<li ><a href="#method-i-safe_stat">#safe_stat</a>
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<h1 id="module-Rack::Reloader::Stat" class="module">
module Rack::Reloader::Stat
</h1>
<section class="description">
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section id="public-instance-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Instance Methods</h3>
</header>
<div id="method-i-figure_path" class="method-detail ">
<div class="method-heading">
<span class="method-name">figure_path</span><span
class="method-args">(file, paths)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Takes a relative or absolute <code>file</code> name, a couple possible <code>paths</code> that the <code>file</code> might reside in. Returns the full path and File::Stat for the path.</p>
<div class="method-source-code" id="figure_path-source">
<pre><span class="ruby-comment"># File lib/rack/reloader.rb, line 90</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">figure_path</span>(<span class="ruby-identifier">file</span>, <span class="ruby-identifier">paths</span>)
<span class="ruby-identifier">found</span> = <span class="ruby-ivar">@cache</span>[<span class="ruby-identifier">file</span>]
<span class="ruby-identifier">found</span> = <span class="ruby-identifier">file</span> <span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">found</span> <span class="ruby-keyword">and</span> <span class="ruby-constant">Pathname</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">file</span>).<span class="ruby-identifier">absolute?</span>
<span class="ruby-identifier">found</span>, <span class="ruby-identifier">stat</span> = <span class="ruby-identifier">safe_stat</span>(<span class="ruby-identifier">found</span>)
<span class="ruby-keyword">return</span> <span class="ruby-identifier">found</span>, <span class="ruby-identifier">stat</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">found</span>
<span class="ruby-identifier">paths</span>.<span class="ruby-identifier">find</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">possible_path</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">path</span> = <span class="ruby-operator">::</span><span class="ruby-constant">File</span>.<span class="ruby-identifier">join</span>(<span class="ruby-identifier">possible_path</span>, <span class="ruby-identifier">file</span>)
<span class="ruby-identifier">found</span>, <span class="ruby-identifier">stat</span> = <span class="ruby-identifier">safe_stat</span>(<span class="ruby-identifier">path</span>)
<span class="ruby-keyword">return</span> <span class="ruby-operator">::</span><span class="ruby-constant">File</span>.<span class="ruby-identifier">expand_path</span>(<span class="ruby-identifier">found</span>), <span class="ruby-identifier">stat</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">found</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">return</span> <span class="ruby-keyword">false</span>, <span class="ruby-keyword">false</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-rotation" class="method-detail ">
<div class="method-heading">
<span class="method-name">rotation</span><span
class="method-args">() { |found, mtime| ... }</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="rotation-source">
<pre><span class="ruby-comment"># File lib/rack/reloader.rb, line 71</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">rotation</span>
<span class="ruby-identifier">files</span> = [<span class="ruby-identifier">$0</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">$LOADED_FEATURES</span>].<span class="ruby-identifier">uniq</span>
<span class="ruby-identifier">paths</span> = [<span class="ruby-string">'./'</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">$LOAD_PATH</span>].<span class="ruby-identifier">uniq</span>
<span class="ruby-identifier">files</span>.<span class="ruby-identifier">map</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">file</span><span class="ruby-operator">|</span>
<span class="ruby-keyword">next</span> <span class="ruby-keyword">if</span> <span class="ruby-regexp">/\.(so|bundle)$/</span>.<span class="ruby-identifier">match?</span>(<span class="ruby-identifier">file</span>) <span class="ruby-comment"># cannot reload compiled files</span>
<span class="ruby-identifier">found</span>, <span class="ruby-identifier">stat</span> = <span class="ruby-identifier">figure_path</span>(<span class="ruby-identifier">file</span>, <span class="ruby-identifier">paths</span>)
<span class="ruby-keyword">next</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">found</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">stat</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">mtime</span> = <span class="ruby-identifier">stat</span>.<span class="ruby-identifier">mtime</span>
<span class="ruby-ivar">@cache</span>[<span class="ruby-identifier">file</span>] = <span class="ruby-identifier">found</span>
<span class="ruby-keyword">yield</span>(<span class="ruby-identifier">found</span>, <span class="ruby-identifier">mtime</span>)
}.<span class="ruby-identifier">compact</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-safe_stat" class="method-detail ">
<div class="method-heading">
<span class="method-name">safe_stat</span><span
class="method-args">(file)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="safe_stat-source">
<pre><span class="ruby-comment"># File lib/rack/reloader.rb, line 105</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">safe_stat</span>(<span class="ruby-identifier">file</span>)
<span class="ruby-keyword">return</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">file</span>
<span class="ruby-identifier">stat</span> = <span class="ruby-operator">::</span><span class="ruby-constant">File</span>.<span class="ruby-identifier">stat</span>(<span class="ruby-identifier">file</span>)
<span class="ruby-keyword">return</span> <span class="ruby-identifier">file</span>, <span class="ruby-identifier">stat</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">stat</span>.<span class="ruby-identifier">file?</span>
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">ENOENT</span>, <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">ENOTDIR</span>, <span class="ruby-constant">Errno</span><span class="ruby-operator">::</span><span class="ruby-constant">ESRCH</span>
<span class="ruby-ivar">@cache</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-identifier">file</span>) <span class="ruby-keyword">and</span> <span class="ruby-keyword">false</span>
<span class="ruby-keyword">end</span></pre>
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