Class: Dispatcher::CLIDispatcher

Inherits:
CoreDispatcher show all
Defined in:
lib/dispatcher/cli.rb

Overview

Command line Dispatcher interface.

The CLI interface allows for easy command line debugging of Responders.

Usage: script.rb [URI] [switches]

Constant Summary collapse

OPTS = 
GetoptLong.new(
  ['--help', '-h', GetoptLong::NO_ARGUMENT],
  ['--clean', '-c', GetoptLong::NO_ARGUMENT]
)

Instance Method Summary collapse

Methods inherited from CoreDispatcher

#handle, inherited, #initialize

Constructor Details

This class inherits a constructor from Dispatcher::CoreDispatcher

Instance Method Details

#display_help ⇒ Object

Displays the command line help and usage details



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# File 'lib/dispatcher/cli.rb', line 63

def display_help
  print %{
Usage: #{File.basename($0)} [URI] [options]

  Options:
-c/--clean   Cleans up any HTML output for easy screen reading
-h/--help    Help. You're looking at it

  Further Information:
http://dispatcher.rubyforge.org
}
end

#handle_cleaned(request) ⇒ Object

Displays a nicely formatted copy of the response



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# File 'lib/dispatcher/cli.rb', line 51

def handle_cleaned(request)
  response = Response.new(@responder, true)
  response.render(request)
  body = response.body
   
  # strip tags
  body.gsub!(/<\/?[^>]*>/, "")
  
  print body
end

#listen ⇒ Object

Sets up the request, and handles the response.



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# File 'lib/dispatcher/cli.rb', line 18

def listen
  # read the options into a Hash
  options = Hash.new
  OPTS.quiet = true # shut it up
  
  begin
    OPTS.each do |opt, value|
      options[opt] = value
    end
  # catch invalid option exceptions
  rescue GetoptLong::InvalidOption => err
    puts err.to_s + '  (-h will show valid options)'
  end
  
  # help?
  if options.has_key? '--help'
    display_help
  
  # otherwise we're going to handle a request
  else
    # set up our request
    request = Request.new
    
    # and handle it
    if options.has_key? '--clean'
      handle_cleaned(request)
    else
      handle(request)
    end
  end
end