Module: Nyaplot::ExportToWeb

Defined in:
lib/nyaplot/export_to_web.rb

Constant Summary collapse

@@server = 
nil
@@web_root = 
nil

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.shutdown_webserver ⇒ Object 



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# File 'lib/nyaplot/export_to_web.rb', line 45

def shutdown_webserver
  if @@server
    @@server.shutdown
    @@server = nil
    $stderr.puts "shutdown server"
  end
  if @@web_root
    FileUtils.remove_entry_secure @@web_root
    @@web_root = nil
  end
end

Instance Method Details

#show ⇒ Object 



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# File 'lib/nyaplot/export_to_web.rb', line 37

def show
  if defined? IRuby
    super
  else
    show_on_web
  end
end

#show_on_web(port = 28288, filename = nil) ⇒ Object 



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# File 'lib/nyaplot/export_to_web.rb', line 13

def show_on_web(port=28288, filename=nil)
  filename ||= "plot.html"
  @@web_root ||= Dir.mktmpdir
  export_html(File.join(@@web_root, filename))

  if !@@server
    @@server = WEBrick::HTTPServer.new(DocumentRoot: @@web_root,
                                      Port: port,
                                      ServerType: Thread,
                                      Logger: WEBrick::Log.new(File.open(File::NULL, 'w')),
                                      AccessLog: [])

    %w(INT TERM).each do |sig|
      trap(sig) do
        shutdown_webserver
      end
    end
    @@server.start
    $stderr.puts "start server on port #{port}."
  end

  Launchy.open "http://localhost:#{port}/#{filename}"
end