# class Rack::Handler::CGI

### Public Class Methods

run(app, **options) click to toggle source

    # File lib/rack/handler/cgi.rb, line 6
    def self.run(app, **options)
      $stdin.binmode
      serve app
    end

send_body(body) click to toggle source

    # File lib/rack/handler/cgi.rb, line 51
    def self.send_body(body)
      body.each { |part|
        $stdout.print part
        $stdout.flush
      }
    end

send_headers(status, headers) click to toggle source

    # File lib/rack/handler/cgi.rb, line 40
    def self.send_headers(status, headers)
      $stdout.print "Status: #{status}\r\n"
      headers.each { |k, vs|
        vs.split("\n").each { |v|
          $stdout.print "#{k}: #{v}\r\n"
        }
      }
      $stdout.print "\r\n"
      $stdout.flush
    end

serve(app) click to toggle source

    # File lib/rack/handler/cgi.rb, line 11
    def self.serve(app)
      env = ENV.to_hash
      env.delete "HTTP_CONTENT_LENGTH"

      env[SCRIPT_NAME] = ""  if env[SCRIPT_NAME] == "/"

      env.update(
        RACK_VERSION      => Rack::VERSION,
        RACK_INPUT        => Rack::RewindableInput.new($stdin),
        RACK_ERRORS       => $stderr,
        RACK_MULTITHREAD  => false,
        RACK_MULTIPROCESS => true,
        RACK_RUNONCE      => true,
        RACK_URL_SCHEME   => ["yes", "on", "1"].include?(ENV[HTTPS]) ? "https" : "http"
      )

      env[QUERY_STRING] ||= ""
      env[HTTP_VERSION] ||= env[SERVER_PROTOCOL]
      env[REQUEST_PATH] ||= "/"

      status, headers, body = app.call(env)
      begin
        send_headers status, headers
        send_body body
      ensure
        body.close  if body.respond_to? :close
      end
    end