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<h1 class="class">Rack::Server::Options</h1>
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<div id="handler_opts-method" class="method-detail ">
<a name="method-i-handler_opts"></a>
<div class="method-heading">
<span class="method-name">handler_opts</span><span
class="method-args">(options)</span>
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<div class="method-description">
<div class="method-source-code" id="handler_opts-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 106</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">handler_opts</span>(<span class="ruby-identifier">options</span>)
<span class="ruby-keyword">begin</span>
<span class="ruby-identifier">info</span> = []
<span class="ruby-identifier">server</span> = <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Handler</span>.<span class="ruby-identifier">get</span>(<span class="ruby-identifier">options</span>[<span class="ruby-value">:server</span>]) <span class="ruby-operator">||</span> <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Handler</span>.<span class="ruby-identifier">default</span>(<span class="ruby-identifier">options</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">server</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">server</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-value">:valid_options</span>)
<span class="ruby-identifier">info</span> <span class="ruby-operator"><<</span> <span class="ruby-string">""</span>
<span class="ruby-identifier">info</span> <span class="ruby-operator"><<</span> <span class="ruby-node">"Server-specific options for #{server.name}:"</span>
<span class="ruby-identifier">has_options</span> = <span class="ruby-keyword">false</span>
<span class="ruby-identifier">server</span>.<span class="ruby-identifier">valid_options</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">name</span>, <span class="ruby-identifier">description</span><span class="ruby-operator">|</span>
<span class="ruby-keyword">next</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">name</span>.<span class="ruby-identifier">to_s</span>.<span class="ruby-identifier">match</span>(<span class="ruby-regexp">/^(Host|Port)[^a-zA-Z]/</span>) <span class="ruby-comment"># ignore handler's host and port options, we do our own.</span>
<span class="ruby-identifier">info</span> <span class="ruby-operator"><<</span> <span class="ruby-string">" -O %-21s %s"</span> <span class="ruby-operator">%</span> [<span class="ruby-identifier">name</span>, <span class="ruby-identifier">description</span>]
<span class="ruby-identifier">has_options</span> = <span class="ruby-keyword">true</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">return</span> <span class="ruby-string">""</span> <span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">has_options</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">info</span>.<span class="ruby-identifier">join</span>(<span class="ruby-string">"\n"</span>)
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">NameError</span>
<span class="ruby-keyword">return</span> <span class="ruby-node">"Warning: Could not find handler specified (#{options[:server] || 'default'}) to determine handler-specific options"</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- handler_opts-source -->
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</div><!-- handler_opts-method -->
<div id="parse-21-method" class="method-detail ">
<a name="method-i-parse-21"></a>
<div class="method-heading">
<span class="method-name">parse!</span><span
class="method-args">(args)</span>
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</div>
<div class="method-description">
<div class="method-source-code" id="parse-21-source">
<pre>
<span class="ruby-comment"># File lib/rack/server.rb, line 9</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">parse!</span>(<span class="ruby-identifier">args</span>)
<span class="ruby-identifier">options</span> = {}
<span class="ruby-identifier">opt_parser</span> = <span class="ruby-constant">OptionParser</span>.<span class="ruby-identifier">new</span>(<span class="ruby-string">""</span>, <span class="ruby-value">24</span>, <span class="ruby-string">' '</span>) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">opts</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">banner</span> = <span class="ruby-string">"Usage: rackup [ruby options] [rack options] [rackup config]"</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">separator</span> <span class="ruby-string">""</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">separator</span> <span class="ruby-string">"Ruby options:"</span>
<span class="ruby-identifier">lineno</span> = <span class="ruby-value">1</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-e"</span>, <span class="ruby-string">"--eval LINE"</span>, <span class="ruby-string">"evaluate a LINE of code"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">line</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">eval</span> <span class="ruby-identifier">line</span>, <span class="ruby-constant">TOPLEVEL_BINDING</span>, <span class="ruby-string">"-e"</span>, <span class="ruby-identifier">lineno</span>
<span class="ruby-identifier">lineno</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-b"</span>, <span class="ruby-string">"--builder BUILDER_LINE"</span>, <span class="ruby-string">"evaluate a BUILDER_LINE of code as a builder script"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">line</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">options</span>[<span class="ruby-value">:builder</span>] = <span class="ruby-identifier">line</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-d"</span>, <span class="ruby-string">"--debug"</span>, <span class="ruby-string">"set debugging flags (set $DEBUG to true)"</span>) {
<span class="ruby-identifier">options</span>[<span class="ruby-value">:debug</span>] = <span class="ruby-keyword">true</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-w"</span>, <span class="ruby-string">"--warn"</span>, <span class="ruby-string">"turn warnings on for your script"</span>) {
<span class="ruby-identifier">options</span>[<span class="ruby-value">:warn</span>] = <span class="ruby-keyword">true</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-q"</span>, <span class="ruby-string">"--quiet"</span>, <span class="ruby-string">"turn off logging"</span>) {
<span class="ruby-identifier">options</span>[<span class="ruby-value">:quiet</span>] = <span class="ruby-keyword">true</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-I"</span>, <span class="ruby-string">"--include PATH"</span>,
<span class="ruby-string">"specify $LOAD_PATH (may be used more than once)"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">path</span><span class="ruby-operator">|</span>
(<span class="ruby-identifier">options</span>[<span class="ruby-value">:include</span>] <span class="ruby-operator">||=</span> []).<span class="ruby-identifier">concat</span>(<span class="ruby-identifier">path</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">":"</span>))
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-r"</span>, <span class="ruby-string">"--require LIBRARY"</span>,
<span class="ruby-string">"require the library, before executing your script"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">library</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">options</span>[<span class="ruby-value">:require</span>] = <span class="ruby-identifier">library</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">separator</span> <span class="ruby-string">""</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">separator</span> <span class="ruby-string">"Rack options:"</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-s"</span>, <span class="ruby-string">"--server SERVER"</span>, <span class="ruby-string">"serve using SERVER (thin/puma/webrick/mongrel)"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">s</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">options</span>[<span class="ruby-value">:server</span>] = <span class="ruby-identifier">s</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-o"</span>, <span class="ruby-string">"--host HOST"</span>, <span class="ruby-string">"listen on HOST (default: localhost)"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">host</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">options</span>[<span class="ruby-value">:Host</span>] = <span class="ruby-identifier">host</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-p"</span>, <span class="ruby-string">"--port PORT"</span>, <span class="ruby-string">"use PORT (default: 9292)"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">port</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">options</span>[<span class="ruby-value">:Port</span>] = <span class="ruby-identifier">port</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-O"</span>, <span class="ruby-string">"--option NAME[=VALUE]"</span>, <span class="ruby-node">"pass VALUE to the server as option NAME. If no VALUE, sets it to true. Run '#{$0} -s SERVER -h' to get a list of options for SERVER"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">name</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">name</span>, <span class="ruby-identifier">value</span> = <span class="ruby-identifier">name</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">'='</span>, <span class="ruby-value">2</span>)
<span class="ruby-identifier">value</span> = <span class="ruby-keyword">true</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">value</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-identifier">options</span>[<span class="ruby-identifier">name</span>.<span class="ruby-identifier">to_sym</span>] = <span class="ruby-identifier">value</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-E"</span>, <span class="ruby-string">"--env ENVIRONMENT"</span>, <span class="ruby-string">"use ENVIRONMENT for defaults (default: development)"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">e</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">options</span>[<span class="ruby-value">:environment</span>] = <span class="ruby-identifier">e</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-D"</span>, <span class="ruby-string">"--daemonize"</span>, <span class="ruby-string">"run daemonized in the background"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">d</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">options</span>[<span class="ruby-value">:daemonize</span>] = <span class="ruby-identifier">d</span> <span class="ruby-operator">?</span> <span class="ruby-keyword">true</span> <span class="ruby-operator">:</span> <span class="ruby-keyword">false</span>
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on</span>(<span class="ruby-string">"-P"</span>, <span class="ruby-string">"--pid FILE"</span>, <span class="ruby-string">"file to store PID"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">f</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">options</span>[<span class="ruby-value">:pid</span>] = <span class="ruby-operator">::</span><span class="ruby-constant">File</span>.<span class="ruby-identifier">expand_path</span>(<span class="ruby-identifier">f</span>)
}
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">separator</span> <span class="ruby-string">""</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">separator</span> <span class="ruby-string">"Common options:"</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on_tail</span>(<span class="ruby-string">"-h"</span>, <span class="ruby-string">"-?"</span>, <span class="ruby-string">"--help"</span>, <span class="ruby-string">"Show this message"</span>) <span class="ruby-keyword">do</span>
<span class="ruby-identifier">puts</span> <span class="ruby-identifier">opts</span>
<span class="ruby-identifier">puts</span> <span class="ruby-identifier">handler_opts</span>(<span class="ruby-identifier">options</span>)
<span class="ruby-identifier">exit</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">opts</span>.<span class="ruby-identifier">on_tail</span>(<span class="ruby-string">"--version"</span>, <span class="ruby-string">"Show version"</span>) <span class="ruby-keyword">do</span>
<span class="ruby-identifier">puts</span> <span class="ruby-node">"Rack #{Rack.version} (Release: #{Rack.release})"</span>
<span class="ruby-identifier">exit</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">begin</span>
<span class="ruby-identifier">opt_parser</span>.<span class="ruby-identifier">parse!</span> <span class="ruby-identifier">args</span>
<span class="ruby-keyword">rescue</span> <span class="ruby-constant">OptionParser</span><span class="ruby-operator">::</span><span class="ruby-constant">InvalidOption</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">e</span>
<span class="ruby-identifier">warn</span> <span class="ruby-identifier">e</span>.<span class="ruby-identifier">message</span>
<span class="ruby-identifier">abort</span> <span class="ruby-identifier">opt_parser</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">options</span>[<span class="ruby-value">:config</span>] = <span class="ruby-identifier">args</span>.<span class="ruby-identifier">last</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">args</span>.<span class="ruby-identifier">last</span>
<span class="ruby-identifier">options</span>
<span class="ruby-keyword">end</span></pre>
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