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<title>Class: Rack::Recursive</title>
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<div id="classHeader">
<table class="header-table">
<tr class="top-aligned-row">
<td><strong>Class</strong></td>
<td class="class-name-in-header">Rack::Recursive</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../../files/lib/rack/recursive_rb.html">
lib/rack/recursive.rb
</a>
<br />
</td>
</tr>
<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>
Object
</td>
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<div id="description">
<p>
<a href="Recursive.html">Rack::Recursive</a> allows applications called
down the chain to <a href="Recursive.html#M000149">include</a> data from
other applications (by using <tt><a
href="http://'rack.recursive.include'">rack</a>[&#8230;]</tt> or raise a <a
href="ForwardRequest.html">ForwardRequest</a> to redirect internally.
</p>
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<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000148">call</a>&nbsp;&nbsp;
<a href="#M000149">include</a>&nbsp;&nbsp;
<a href="#M000147">new</a>&nbsp;&nbsp;
</div>
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<div id="methods">
<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000147" class="method-detail">
<a name="M000147"></a>
<div class="method-heading">
<a href="#M000147" class="method-signature">
<span class="method-name">new</span><span class="method-args">(app)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000147-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000147-source">
<pre>
<span class="ruby-comment cmt"># File lib/rack/recursive.rb, line 33</span>
33: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">app</span>)
34: <span class="ruby-ivar">@app</span> = <span class="ruby-identifier">app</span>
35: <span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000148" class="method-detail">
<a name="M000148"></a>
<div class="method-heading">
<a href="#M000148" class="method-signature">
<span class="method-name">call</span><span class="method-args">(env)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000148-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000148-source">
<pre>
<span class="ruby-comment cmt"># File lib/rack/recursive.rb, line 37</span>
37: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
38: <span class="ruby-ivar">@script_name</span> = <span class="ruby-identifier">env</span>[<span class="ruby-value str">&quot;SCRIPT_NAME&quot;</span>]
39: <span class="ruby-ivar">@app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>.<span class="ruby-identifier">merge</span>(<span class="ruby-value str">'rack.recursive.include'</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-identifier">method</span>(<span class="ruby-identifier">:include</span>)))
40: <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">ForwardRequest</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-identifier">req</span>
41: <span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>.<span class="ruby-identifier">merge</span>(<span class="ruby-identifier">req</span>.<span class="ruby-identifier">env</span>))
42: <span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000149" class="method-detail">
<a name="M000149"></a>
<div class="method-heading">
<a href="#M000149" class="method-signature">
<span class="method-name">include</span><span class="method-args">(env, path)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000149-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000149-source">
<pre>
<span class="ruby-comment cmt"># File lib/rack/recursive.rb, line 44</span>
44: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">include</span>(<span class="ruby-identifier">env</span>, <span class="ruby-identifier">path</span>)
45: <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">path</span>.<span class="ruby-identifier">index</span>(<span class="ruby-ivar">@script_name</span>) <span class="ruby-operator">==</span> <span class="ruby-value">0</span> <span class="ruby-operator">&amp;&amp;</span> (<span class="ruby-identifier">path</span>[<span class="ruby-ivar">@script_name</span>.<span class="ruby-identifier">size</span>] <span class="ruby-operator">==</span> <span class="ruby-value">?/</span> <span class="ruby-operator">||</span>
46: <span class="ruby-identifier">path</span>[<span class="ruby-ivar">@script_name</span>.<span class="ruby-identifier">size</span>].<span class="ruby-identifier">nil?</span>)
47: <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-node">&quot;can only include below #{@script_name}, not #{path}&quot;</span>
48: <span class="ruby-keyword kw">end</span>
49:
50: <span class="ruby-identifier">env</span> = <span class="ruby-identifier">env</span>.<span class="ruby-identifier">merge</span>(<span class="ruby-value str">&quot;PATH_INFO&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-identifier">path</span>, <span class="ruby-value str">&quot;SCRIPT_NAME&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-ivar">@script_name</span>,
51: <span class="ruby-value str">&quot;REQUEST_METHOD&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-value str">&quot;GET&quot;</span>,
52: <span class="ruby-value str">&quot;CONTENT_LENGTH&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-value str">&quot;0&quot;</span>, <span class="ruby-value str">&quot;CONTENT_TYPE&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-value str">&quot;&quot;</span>,
53: <span class="ruby-value str">&quot;rack.input&quot;</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-constant">StringIO</span>.<span class="ruby-identifier">new</span>(<span class="ruby-value str">&quot;&quot;</span>))
54: <span class="ruby-ivar">@app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
55: <span class="ruby-keyword kw">end</span>
</pre>
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