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<title>get_aliased_arg (OpenID::Message)</title>
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<pre><span class="ruby-comment cmt"># File lib/openid/message.rb, line 424</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">get_aliased_arg</span>(<span class="ruby-identifier">aliased_key</span>, <span class="ruby-identifier">default</span>=<span class="ruby-keyword kw">nil</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">aliased_key</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'ns'</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">get_openid_namespace</span>()
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">ns_alias</span>, <span class="ruby-identifier">key</span> = <span class="ruby-identifier">aliased_key</span>.<span class="ruby-identifier">split</span>(<span class="ruby-value str">'.'</span>, <span class="ruby-value">2</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">ns_alias</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'ns'</span>
<span class="ruby-identifier">uri</span> = <span class="ruby-ivar">@namespaces</span>.<span class="ruby-identifier">get_namespace_uri</span>(<span class="ruby-identifier">key</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">uri</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-keyword kw">and</span> <span class="ruby-identifier">default</span> <span class="ruby-operator">==</span> <span class="ruby-constant">NO_DEFAULT</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">KeyNotFound</span>, <span class="ruby-node">"Namespace #{key} not defined when looking "</span>\
<span class="ruby-node">"for #{aliased_key}"</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-keyword kw">return</span> (<span class="ruby-identifier">uri</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-value">? </span><span class="ruby-identifier">default</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">uri</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">key</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-identifier">key</span> = <span class="ruby-identifier">aliased_key</span>
<span class="ruby-identifier">ns</span> = <span class="ruby-keyword kw">nil</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">ns</span> = <span class="ruby-ivar">@namespaces</span>.<span class="ruby-identifier">get_namespace_uri</span>(<span class="ruby-identifier">ns_alias</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">ns</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-identifier">key</span> = <span class="ruby-identifier">aliased_key</span>
<span class="ruby-identifier">ns</span> = <span class="ruby-identifier">get_openid_namespace</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">get_arg</span>(<span class="ruby-identifier">ns</span>, <span class="ruby-identifier">key</span>, <span class="ruby-identifier">default</span>)
<span class="ruby-keyword kw">end</span></pre>
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