4e14ccc74d
Instiki now runs on the Rails 2.3.0 Candidate Release.
Among other improvements, this means that it now
automagically selects between WEBrick and Mongrel.
Just run
./instiki --daemon
340 lines
14 KiB
HTML
340 lines
14 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<title>Class: Rack::Builder</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta http-equiv="Content-Script-Type" content="text/javascript" />
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<link rel="stylesheet" href="../.././rdoc-style.css" type="text/css" media="screen" />
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<script type="text/javascript">
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// <![CDATA[
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function popupCode( url ) {
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window.open(url, "Code", "resizable=yes,scrollbars=yes,toolbar=no,status=no,height=150,width=400")
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}
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function toggleCode( id ) {
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if ( document.getElementById )
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elem = document.getElementById( id );
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else if ( document.all )
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elem = eval( "document.all." + id );
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else
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return false;
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elemStyle = elem.style;
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if ( elemStyle.display != "block" ) {
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elemStyle.display = "block"
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} else {
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elemStyle.display = "none"
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}
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return true;
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}
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// Make codeblocks hidden by default
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document.writeln( "<style type=\"text/css\">div.method-source-code { display: none }</style>" )
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// ]]>
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</script>
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</head>
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<body>
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<div id="classHeader">
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<table class="header-table">
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<tr class="top-aligned-row">
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<td><strong>Class</strong></td>
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<td class="class-name-in-header">Rack::Builder</td>
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</tr>
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<tr class="top-aligned-row">
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<td><strong>In:</strong></td>
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<td>
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<a href="../../files/lib/rack/builder_rb.html">
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lib/rack/builder.rb
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</a>
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<br />
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</td>
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</tr>
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<tr class="top-aligned-row">
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<td><strong>Parent:</strong></td>
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<td>
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Object
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</td>
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</tr>
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</table>
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</div>
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<!-- banner header -->
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<div id="bodyContent">
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<div id="contextContent">
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<div id="description">
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<p>
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<a href="Builder.html">Rack::Builder</a> implements a small DSL to
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iteratively construct <a href="../Rack.html">Rack</a> applications.
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</p>
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<p>
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Example:
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</p>
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<pre>
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app = Rack::Builder.new {
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use Rack::CommonLogger
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use Rack::ShowExceptions
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map "/lobster" do
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use Rack::Lint
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run Rack::Lobster.new
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end
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}
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</pre>
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<p>
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Or
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</p>
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<pre>
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app = Rack::Builder.app do
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use Rack::CommonLogger
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lambda { |env| [200, {'Content-Type' => 'text/plain'}, 'OK'] }
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end
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</pre>
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<p>
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<tt><a href="Builder.html#M000127">use</a></tt> adds a middleware to the
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stack, <tt><a href="Builder.html#M000128">run</a></tt> dispatches to an
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application. You can <a href="Builder.html#M000127">use</a> <tt><a
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href="Builder.html#M000129">map</a></tt> to construct a <a
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href="URLMap.html">Rack::URLMap</a> in a convenient way.
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</p>
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</div>
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</div>
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<div id="method-list">
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<h3 class="section-bar">Methods</h3>
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<div class="name-list">
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<a href="#M000126">app</a>
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<a href="#M000131">call</a>
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<a href="#M000129">map</a>
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<a href="#M000125">new</a>
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<a href="#M000128">run</a>
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<a href="#M000130">to_app</a>
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<a href="#M000127">use</a>
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</div>
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</div>
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</div>
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<!-- if includes -->
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<div id="section">
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<!-- if method_list -->
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<div id="methods">
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<h3 class="section-bar">Public Class methods</h3>
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<div id="method-M000126" class="method-detail">
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<a name="M000126"></a>
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<div class="method-heading">
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<a href="#M000126" class="method-signature">
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<span class="method-name">app</span><span class="method-args">(&block)</span>
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</a>
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</div>
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<div class="method-description">
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<p><a class="source-toggle" href="#"
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onclick="toggleCode('M000126-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000126-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/builder.rb, line 32</span>
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32: <span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">app</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
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33: <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">block</span>).<span class="ruby-identifier">to_app</span>
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34: <span class="ruby-keyword kw">end</span>
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</pre>
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</div>
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</div>
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</div>
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<div id="method-M000125" class="method-detail">
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<a name="M000125"></a>
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<div class="method-heading">
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<a href="#M000125" class="method-signature">
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<span class="method-name">new</span><span class="method-args">(&block)</span>
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</a>
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</div>
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<div class="method-description">
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<p><a class="source-toggle" href="#"
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onclick="toggleCode('M000125-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000125-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/builder.rb, line 27</span>
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27: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
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28: <span class="ruby-ivar">@ins</span> = []
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29: <span class="ruby-identifier">instance_eval</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">block</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">block_given?</span>
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30: <span class="ruby-keyword kw">end</span>
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</pre>
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</div>
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</div>
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</div>
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<h3 class="section-bar">Public Instance methods</h3>
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<div id="method-M000131" class="method-detail">
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<a name="M000131"></a>
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<div class="method-heading">
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<a href="#M000131" class="method-signature">
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<span class="method-name">call</span><span class="method-args">(env)</span>
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</a>
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</div>
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<div class="method-description">
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<p><a class="source-toggle" href="#"
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onclick="toggleCode('M000131-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000131-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/builder.rb, line 63</span>
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63: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
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64: <span class="ruby-identifier">to_app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
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65: <span class="ruby-keyword kw">end</span>
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</pre>
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</div>
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</div>
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</div>
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<div id="method-M000129" class="method-detail">
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<a name="M000129"></a>
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<div class="method-heading">
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<a href="#M000129" class="method-signature">
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<span class="method-name">map</span><span class="method-args">(path, &block)</span>
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</a>
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</div>
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<div class="method-description">
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<p><a class="source-toggle" href="#"
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onclick="toggleCode('M000129-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000129-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/builder.rb, line 48</span>
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48: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">map</span>(<span class="ruby-identifier">path</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
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49: <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@ins</span>.<span class="ruby-identifier">last</span>.<span class="ruby-identifier">kind_of?</span> <span class="ruby-constant">Hash</span>
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50: <span class="ruby-ivar">@ins</span>.<span class="ruby-identifier">last</span>[<span class="ruby-identifier">path</span>] = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">class</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">block</span>).<span class="ruby-identifier">to_app</span>
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51: <span class="ruby-keyword kw">else</span>
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52: <span class="ruby-ivar">@ins</span> <span class="ruby-operator"><<</span> {}
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53: <span class="ruby-identifier">map</span>(<span class="ruby-identifier">path</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
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54: <span class="ruby-keyword kw">end</span>
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55: <span class="ruby-keyword kw">end</span>
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</pre>
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</div>
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</div>
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</div>
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<div id="method-M000128" class="method-detail">
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<a name="M000128"></a>
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<div class="method-heading">
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<a href="#M000128" class="method-signature">
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<span class="method-name">run</span><span class="method-args">(app)</span>
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</a>
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</div>
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<div class="method-description">
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<p><a class="source-toggle" href="#"
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onclick="toggleCode('M000128-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000128-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/builder.rb, line 44</span>
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44: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">run</span>(<span class="ruby-identifier">app</span>)
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45: <span class="ruby-ivar">@ins</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">app</span> <span class="ruby-comment cmt">#lambda { |nothing| app }</span>
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46: <span class="ruby-keyword kw">end</span>
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</pre>
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</div>
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</div>
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</div>
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<div id="method-M000130" class="method-detail">
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<a name="M000130"></a>
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<div class="method-heading">
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<a href="#M000130" class="method-signature">
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<span class="method-name">to_app</span><span class="method-args">()</span>
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</a>
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</div>
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<div class="method-description">
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<p><a class="source-toggle" href="#"
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onclick="toggleCode('M000130-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000130-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/builder.rb, line 57</span>
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57: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">to_app</span>
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58: <span class="ruby-ivar">@ins</span>[<span class="ruby-value">-1</span>] = <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">URLMap</span>.<span class="ruby-identifier">new</span>(<span class="ruby-ivar">@ins</span>.<span class="ruby-identifier">last</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-constant">Hash</span> <span class="ruby-operator">===</span> <span class="ruby-ivar">@ins</span>.<span class="ruby-identifier">last</span>
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59: <span class="ruby-identifier">inner_app</span> = <span class="ruby-ivar">@ins</span>.<span class="ruby-identifier">last</span>
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60: <span class="ruby-ivar">@ins</span>[<span class="ruby-value">0</span><span class="ruby-operator">...</span><span class="ruby-value">-1</span>].<span class="ruby-identifier">reverse</span>.<span class="ruby-identifier">inject</span>(<span class="ruby-identifier">inner_app</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">a</span>, <span class="ruby-identifier">e</span><span class="ruby-operator">|</span> <span class="ruby-identifier">e</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">a</span>) }
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61: <span class="ruby-keyword kw">end</span>
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</pre>
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</div>
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</div>
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</div>
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<div id="method-M000127" class="method-detail">
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<a name="M000127"></a>
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<div class="method-heading">
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<a href="#M000127" class="method-signature">
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<span class="method-name">use</span><span class="method-args">(middleware, *args, &block)</span>
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</a>
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</div>
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<div class="method-description">
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<p><a class="source-toggle" href="#"
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onclick="toggleCode('M000127-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000127-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/builder.rb, line 36</span>
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36: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">use</span>(<span class="ruby-identifier">middleware</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">args</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
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37: <span class="ruby-ivar">@ins</span> <span class="ruby-operator"><<</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">block_given?</span>
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38: <span class="ruby-identifier">lambda</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">app</span><span class="ruby-operator">|</span> <span class="ruby-identifier">middleware</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">app</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">args</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>) }
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39: <span class="ruby-keyword kw">else</span>
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40: <span class="ruby-identifier">lambda</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">app</span><span class="ruby-operator">|</span> <span class="ruby-identifier">middleware</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">app</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">args</span>) }
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41: <span class="ruby-keyword kw">end</span>
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42: <span class="ruby-keyword kw">end</span>
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</pre>
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<div id="validator-badges">
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<p><small><a href="http://validator.w3.org/check/referer">[Validate]</a></small></p>
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