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<title>generate_accept_header (OpenID::Yadis)</title>
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<pre><span class="ruby-comment cmt"># File lib/openid/yadis/accept.rb, line 8</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">generate_accept_header</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">elements</span>)
<span class="ruby-identifier">parts</span> = []
<span class="ruby-identifier">elements</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">element</span><span class="ruby-operator">|</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">element</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">String</span>)
<span class="ruby-identifier">qs</span> = <span class="ruby-value str">"1.0"</span>
<span class="ruby-identifier">mtype</span> = <span class="ruby-identifier">element</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">mtype</span>, <span class="ruby-identifier">q</span> = <span class="ruby-identifier">element</span>
<span class="ruby-identifier">q</span> = <span class="ruby-identifier">q</span>.<span class="ruby-identifier">to_f</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">q</span> <span class="ruby-operator">></span> <span class="ruby-value">1</span> <span class="ruby-keyword kw">or</span> <span class="ruby-identifier">q</span> <span class="ruby-operator"><=</span> <span class="ruby-value">0</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>.<span class="ruby-identifier">new</span>(<span class="ruby-node">"Invalid preference factor: #{q}"</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">qs</span> = <span class="ruby-identifier">sprintf</span>(<span class="ruby-value str">"%0.1f"</span>, <span class="ruby-identifier">q</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">parts</span> <span class="ruby-operator"><<</span> [<span class="ruby-identifier">qs</span>, <span class="ruby-identifier">mtype</span>]
}
<span class="ruby-identifier">parts</span>.<span class="ruby-identifier">sort!</span>
<span class="ruby-identifier">chunks</span> = []
<span class="ruby-identifier">parts</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">q</span>, <span class="ruby-identifier">mtype</span><span class="ruby-operator">|</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">q</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'1.0'</span>
<span class="ruby-identifier">chunks</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">mtype</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">chunks</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">sprintf</span>(<span class="ruby-value str">"%s; q=%s"</span>, <span class="ruby-identifier">mtype</span>, <span class="ruby-identifier">q</span>)
<span class="ruby-keyword kw">end</span>
}
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">chunks</span>.<span class="ruby-identifier">join</span>(<span class="ruby-value str">', '</span>)
<span class="ruby-keyword kw">end</span></pre>
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