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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>class Rack::Utils::Context - rack-2.2.10 Documentation</title> <script type="text/javascript"> var rdoc_rel_prefix = "../../"; var index_rel_prefix = "../../"; </script> <script src="../../js/navigation.js" defer></script> <script src="../../js/search.js" defer></script> <script src="../../js/search_index.js" defer></script> <script src="../../js/searcher.js" defer></script> <script src="../../js/darkfish.js" defer></script> <link href="../../css/fonts.css" rel="stylesheet"> <link href="../../css/rdoc.css" rel="stylesheet"> <body id="top" role="document" class="class"> <nav role="navigation"> <div id="project-navigation"> <div id="home-section" role="region" title="Quick navigation" class="nav-section"> <h2> <a href="../../index.html" rel="home">Home</a> </h2> <div id="table-of-contents-navigation"> <a href="../../table_of_contents.html#pages">Pages</a> <a href="../../table_of_contents.html#classes">Classes</a> <a href="../../table_of_contents.html#methods">Methods</a> </div> </div> <div id="search-section" role="search" class="project-section initially-hidden"> <form action="#" method="get" accept-charset="utf-8"> <div id="search-field-wrapper"> <input id="search-field" role="combobox" aria-label="Search" aria-autocomplete="list" aria-controls="search-results" type="text" name="search" placeholder="Search" spellcheck="false" title="Type to search, Up and Down to navigate, Enter to load"> </div> <ul id="search-results" aria-label="Search Results" aria-busy="false" aria-expanded="false" aria-atomic="false" class="initially-hidden"></ul> </form> </div> </div> <div id="class-metadata"> <div id="parent-class-section" class="nav-section"> <h3>Parent</h3> <p class="link">Object </div> <!-- Method Quickref --> <div id="method-list-section" class="nav-section"> <h3>Methods</h3> <ul class="link-list" role="directory"> <li ><a href="#method-c-new">::new</a> <li ><a href="#method-i-call">#call</a> <li ><a href="#method-i-context">#context</a> <li ><a href="#method-i-recontext">#recontext</a> </ul> </div> </div> </nav> <main role="main" aria-labelledby="class-Rack::Utils::Context"> <h1 id="class-Rack::Utils::Context" class="class"> class Rack::Utils::Context </h1> <section class="description"> <p><a href="Context.html"><code>Context</code></a> allows the use of a compatible middleware at different points in a request handling stack. A compatible middleware must define <a href="Context.html#method-i-context"><code>context</code></a> which should take the arguments env and app. The first of which would be the request environment. The second of which would be the rack application that the request would be forwarded to.</p> </section> <section id="5Buntitled-5D" class="documentation-section"> <section class="attribute-method-details" class="method-section"> <header> <h3>Attributes</h3> </header> <div id="attribute-i-app" class="method-detail"> <div class="method-heading attribute-method-heading"> <span class="method-name">app</span><span class="attribute-access-type">[R]</span> </div> <div class="method-description"> </div> </div> <div id="attribute-i-for" class="method-detail"> <div class="method-heading attribute-method-heading"> <span class="method-name">for</span><span class="attribute-access-type">[R]</span> </div> <div class="method-description"> </div> </div> </section> <section id="public-class-5Buntitled-5D-method-details" class="method-section"> <header> <h3>Public Class Methods</h3> </header> <div id="method-c-new" class="method-detail "> <div class="method-heading"> <span class="method-name">new</span><span class="method-args">(app_f, app_r)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="new-source"> <pre><span class="ruby-comment"># File lib/rack/utils.rb, line 413</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">app_f</span>, <span class="ruby-identifier">app_r</span>) <span class="ruby-identifier">raise</span> <span class="ruby-string">'running context does not respond to #context'</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">app_f</span>.<span class="ruby-identifier">respond_to?</span> <span class="ruby-value">:context</span> <span class="ruby-ivar">@for</span>, <span class="ruby-ivar">@app</span> = <span class="ruby-identifier">app_f</span>, <span class="ruby-identifier">app_r</span> <span class="ruby-keyword">end</span></pre> </div> </div> </div> </section> <section id="public-instance-5Buntitled-5D-method-details" class="method-section"> <header> <h3>Public Instance Methods</h3> </header> <div id="method-i-call" class="method-detail "> <div class="method-heading"> <span class="method-name">call</span><span class="method-args">(env)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="call-source"> <pre><span class="ruby-comment"># File lib/rack/utils.rb, line 418</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">call</span>(<span class="ruby-identifier">env</span>) <span class="ruby-ivar">@for</span>.<span class="ruby-identifier">context</span>(<span class="ruby-identifier">env</span>, <span class="ruby-ivar">@app</span>) <span class="ruby-keyword">end</span></pre> </div> </div> </div> <div id="method-i-context" class="method-detail "> <div class="method-heading"> <span class="method-name">context</span><span class="method-args">(env, app = @app)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="context-source"> <pre><span class="ruby-comment"># File lib/rack/utils.rb, line 426</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">context</span>(<span class="ruby-identifier">env</span>, <span class="ruby-identifier">app</span> = <span class="ruby-ivar">@app</span>) <span class="ruby-identifier">recontext</span>(<span class="ruby-identifier">app</span>).<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>) <span class="ruby-keyword">end</span></pre> </div> </div> </div> <div id="method-i-recontext" class="method-detail "> <div class="method-heading"> <span class="method-name">recontext</span><span class="method-args">(app)</span> <span class="method-click-advice">click to toggle source</span> </div> <div class="method-description"> <div class="method-source-code" id="recontext-source"> <pre><span class="ruby-comment"># File lib/rack/utils.rb, line 422</span> <span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">recontext</span>(<span class="ruby-identifier">app</span>) <span class="ruby-keyword">self</span>.<span class="ruby-identifier">class</span>.<span class="ruby-identifier">new</span>(<span class="ruby-ivar">@for</span>, <span class="ruby-identifier">app</span>) <span class="ruby-keyword">end</span></pre> </div> </div> </div> </section> </section> </main> <footer id="validator-badges" role="contentinfo"> <p><a href="https://validator.w3.org/check/referer">Validate</a> <p>Generated by <a href="https://ruby.github.io/rdoc/">RDoc</a> 6.2.1.1. <p>Based on <a href="http://deveiate.org/projects/Darkfish-RDoc/">Darkfish</a> by <a href="http://deveiate.org">Michael Granger</a>. </footer>