Class: OptionReader

Inherits:
Object
  • Object
show all
Defined in:
lib/yakr/optionreader.rb

Overview

optionreader.rb

Copyright (c) 2012, Marc Ransome <[email protected]>

This file is part of Yakr.

Yakr is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Yakr is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Yakr.  If not, see <http://www.gnu.org/licenses/>.

Class Method Summary collapse

Class Method Details

.parse(args) ⇒ Object 



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# File 'lib/yakr/optionreader.rb', line 24

def self.parse(args)

	options = OpenStruct.new

	opts = OptionParser.new do |opts|
		opts.banner = "Usage: #{File.basename($0)} -c HOST -p PORT | -l PORT [-m NUM]"

		opts.separator ""
		opts.separator "Client mode options:"

		opts.on("-c", "--connect HOST", "Specify the remote host to connect to") do |host|
			options.connect_host = host
		end

		opts.on("-p", "--port PORT", "Port number for outgoing connection") do |port|
			options.connect_port = port
		end

		opts.separator ""
		opts.separator "Server mode options:"

		opts.on("-l", "--listen PORT", "Port number for incoming connection") do |port|
			options.listen_port = port
		end
		
		opts.on("-m", "--max NUM", "Limit output to NUM lines, then exit") do |lines|
			options.limit_lines = lines
		end
		
		opts.separator ""
		opts.separator "Misc options:"

		opts.on("-v", "--version", "Display version information") do
			puts "#{File.basename($0).capitalize} #{Yakr::VERSION} Copyright (C) 2012 Marc Ransome <[email protected]>"
			puts "This program comes with ABSOLUTELY NO WARRANTY, use it at your own risk."
			puts "This is free software, and you are welcome to redistribute it under"
			puts "certain conditions; see LICENSE.txt for details."
			exit
		end

		opts.on_tail("-h", "--help", "Show this screen") do
			puts opts
			exit
		end
	end

	# parse then remove the remaining arguments
	opts.parse!(args)

	# return the options array
	options

end