214 lines
11 KiB
HTML
214 lines
11 KiB
HTML
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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::URLMap</title>
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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::URLMap</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/urlmap_rb.html">
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lib/rack/urlmap.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="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="URLMap.html">Rack::URLMap</a> takes a hash mapping urls or paths
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to apps, and dispatches accordingly. Support for HTTP/1.1 host names exists
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if the URLs start with <tt>http://</tt> or <tt>https://</tt>.
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</p>
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<p>
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<a href="URLMap.html">URLMap</a> modifies the SCRIPT_NAME and PATH_INFO
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such that the part relevant for dispatch is in the SCRIPT_NAME, and the
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rest in the PATH_INFO. This should be taken care of when you need to
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reconstruct the URL in order to create links.
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</p>
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<p>
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<a href="URLMap.html">URLMap</a> dispatches in such a way that the longest
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paths are tried first, since they are most specific.
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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="#M000077">call</a>
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<a href="#M000076">new</a>
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</div>
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</div>
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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-M000076" class="method-detail">
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<a name="M000076"></a>
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<div class="method-heading">
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<a href="#M000076" class="method-signature">
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<span class="method-name">new</span><span class="method-args">(map)</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('M000076-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000076-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/urlmap.rb, line 15</span>
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15: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">map</span>)
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16: <span class="ruby-ivar">@mapping</span> = <span class="ruby-identifier">map</span>.<span class="ruby-identifier">map</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">location</span>, <span class="ruby-identifier">app</span><span class="ruby-operator">|</span>
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17: <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">location</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">%r{\Ahttps?://(.*?)(/.*)}</span>
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18: <span class="ruby-identifier">host</span>, <span class="ruby-identifier">location</span> = <span class="ruby-identifier">$1</span>, <span class="ruby-identifier">$2</span>
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19: <span class="ruby-keyword kw">else</span>
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20: <span class="ruby-identifier">host</span> = <span class="ruby-keyword kw">nil</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-keyword kw">unless</span> <span class="ruby-identifier">location</span>[<span class="ruby-value">0</span>] <span class="ruby-operator">==</span> <span class="ruby-value">?/</span>
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24: <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-value str">"paths need to start with /"</span>
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25: <span class="ruby-keyword kw">end</span>
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26: <span class="ruby-identifier">location</span> = <span class="ruby-identifier">location</span>.<span class="ruby-identifier">chomp</span>(<span class="ruby-value str">'/'</span>)
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27:
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28: [<span class="ruby-identifier">host</span>, <span class="ruby-identifier">location</span>, <span class="ruby-identifier">app</span>]
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29: }.<span class="ruby-identifier">sort_by</span> { <span class="ruby-operator">|</span>(<span class="ruby-identifier">h</span>, <span class="ruby-identifier">l</span>, <span class="ruby-identifier">a</span>)<span class="ruby-operator">|</span> [<span class="ruby-operator">-</span><span class="ruby-identifier">l</span>.<span class="ruby-identifier">size</span>, <span class="ruby-identifier">h</span>.<span class="ruby-identifier">to_s</span>.<span class="ruby-identifier">size</span>] } <span class="ruby-comment cmt"># Longest path first</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-M000077" class="method-detail">
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<a name="M000077"></a>
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<div class="method-heading">
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<a href="#M000077" 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('M000077-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000077-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/urlmap.rb, line 32</span>
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32: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
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33: <span class="ruby-identifier">path</span> = <span class="ruby-identifier">env</span>[<span class="ruby-value str">"PATH_INFO"</span>].<span class="ruby-identifier">to_s</span>.<span class="ruby-identifier">squeeze</span>(<span class="ruby-value str">"/"</span>)
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34: <span class="ruby-identifier">hHost</span>, <span class="ruby-identifier">sName</span>, <span class="ruby-identifier">sPort</span> = <span class="ruby-identifier">env</span>.<span class="ruby-identifier">values_at</span>(<span class="ruby-value str">'HTTP_HOST'</span>,<span class="ruby-value str">'SERVER_NAME'</span>,<span class="ruby-value str">'SERVER_PORT'</span>)
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35: <span class="ruby-ivar">@mapping</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">host</span>, <span class="ruby-identifier">location</span>, <span class="ruby-identifier">app</span><span class="ruby-operator">|</span>
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36: <span class="ruby-keyword kw">next</span> <span class="ruby-keyword kw">unless</span> (<span class="ruby-identifier">hHost</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">host</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">sName</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">host</span> \
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37: <span class="ruby-operator">||</span> (<span class="ruby-identifier">host</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">&&</span> (<span class="ruby-identifier">hHost</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">sName</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">hHost</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">sName</span><span class="ruby-operator">+</span><span class="ruby-value str">':'</span><span class="ruby-operator">+</span><span class="ruby-identifier">sPort</span>)))
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38: <span class="ruby-keyword kw">next</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">location</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">path</span>[<span class="ruby-value">0</span>, <span class="ruby-identifier">location</span>.<span class="ruby-identifier">size</span>]
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39: <span class="ruby-keyword kw">next</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">path</span>[<span class="ruby-identifier">location</span>.<span class="ruby-identifier">size</span>] <span class="ruby-operator">==</span> <span class="ruby-keyword kw">nil</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">path</span>[<span class="ruby-identifier">location</span>.<span class="ruby-identifier">size</span>] <span class="ruby-operator">==</span> <span class="ruby-value">?/</span>
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40: <span class="ruby-identifier">env</span>[<span class="ruby-value str">"SCRIPT_NAME"</span>] <span class="ruby-operator">+=</span> <span class="ruby-identifier">location</span>
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41: <span class="ruby-identifier">env</span>[<span class="ruby-value str">"PATH_INFO"</span>] = <span class="ruby-identifier">path</span>[<span class="ruby-identifier">location</span>.<span class="ruby-identifier">size</span><span class="ruby-operator">..</span><span class="ruby-value">-1</span>]
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42: <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
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43: }
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44: [<span class="ruby-value">404</span>, {<span class="ruby-value str">"Content-Type"</span> =<span class="ruby-operator">></span> <span class="ruby-value str">"text/plain"</span>}, [<span class="ruby-node">"Not Found: #{path}"</span>]]
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45: <span class="ruby-keyword kw">end</span>
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</pre>
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</div>
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