265 lines
9.1 KiB
HTML
265 lines
9.1 KiB
HTML
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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::Cascade</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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function toggleCode( id ) {
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return true;
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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::Cascade</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/cascade_rb.html">
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lib/rack/cascade.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 id="contextContent">
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<div id="description">
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<p>
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<a href="Cascade.html">Rack::Cascade</a> tries an request on several apps,
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and returns the first response that is not 404 (or in a list of
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configurable status codes).
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</p>
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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="#M000202"><<</a>
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<a href="#M000200">add</a>
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<a href="#M000199">call</a>
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<a href="#M000201">include?</a>
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<a href="#M000198">new</a>
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</div>
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</div>
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<div id="attribute-list">
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<h3 class="section-bar">Attributes</h3>
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<div class="name-list">
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<table>
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<tr class="top-aligned-row context-row">
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<td class="context-item-name">apps</td>
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<td class="context-item-value"> [R] </td>
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<td class="context-item-desc"></td>
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</tr>
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</table>
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</div>
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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-M000198" class="method-detail">
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<a name="M000198"></a>
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<div class="method-heading">
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<a href="#M000198" class="method-signature">
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<span class="method-name">new</span><span class="method-args">(apps, catch=404)</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('M000198-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000198-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/cascade.rb, line 9</span>
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9: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">apps</span>, <span class="ruby-identifier">catch</span>=<span class="ruby-value">404</span>)
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10: <span class="ruby-ivar">@apps</span> = <span class="ruby-identifier">apps</span>
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11: <span class="ruby-ivar">@catch</span> = [<span class="ruby-operator">*</span><span class="ruby-identifier">catch</span>]
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12: <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-M000202" class="method-detail">
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<a name="M000202"></a>
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<div class="method-heading">
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<span class="method-name"><<</span><span class="method-args">(app)</span>
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</div>
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<div class="method-description">
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<p>
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Alias for <a href="Cascade.html#M000200">add</a>
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</p>
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</div>
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</div>
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<div id="method-M000200" class="method-detail">
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<a name="M000200"></a>
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<div class="method-heading">
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<a href="#M000200" class="method-signature">
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<span class="method-name">add</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('M000200-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000200-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/cascade.rb, line 26</span>
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26: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">add</span> <span class="ruby-identifier">app</span>
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27: <span class="ruby-ivar">@apps</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">app</span>
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28: <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-M000199" class="method-detail">
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<a name="M000199"></a>
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<div class="method-heading">
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<a href="#M000199" 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('M000199-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000199-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/cascade.rb, line 14</span>
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14: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
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15: <span class="ruby-identifier">status</span> = <span class="ruby-identifier">headers</span> = <span class="ruby-identifier">body</span> = <span class="ruby-keyword kw">nil</span>
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16: <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-value str">"empty cascade"</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@apps</span>.<span class="ruby-identifier">empty?</span>
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17: <span class="ruby-ivar">@apps</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">app</span><span class="ruby-operator">|</span>
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18: <span class="ruby-keyword kw">begin</span>
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19: <span class="ruby-identifier">status</span>, <span class="ruby-identifier">headers</span>, <span class="ruby-identifier">body</span> = <span class="ruby-identifier">app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
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20: <span class="ruby-keyword kw">break</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-ivar">@catch</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">status</span>.<span class="ruby-identifier">to_i</span>)
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21: <span class="ruby-keyword kw">end</span>
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22: }
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23: [<span class="ruby-identifier">status</span>, <span class="ruby-identifier">headers</span>, <span class="ruby-identifier">body</span>]
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24: <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-M000201" class="method-detail">
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<a name="M000201"></a>
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<div class="method-heading">
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<a href="#M000201" class="method-signature">
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<span class="method-name">include?</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('M000201-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000201-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/cascade.rb, line 30</span>
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30: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">include?</span> <span class="ruby-identifier">app</span>
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31: <span class="ruby-ivar">@apps</span>.<span class="ruby-identifier">include?</span> <span class="ruby-identifier">app</span>
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32: <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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</html>
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