Class: Trabox::Command::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/trabox/command/parser.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/trabox/command/parser.rb', line 6

def initialize
  @parser = OptionParser.new(nil, 20) do |o|
    o.version = VERSION
    o.banner = "\e[1mUsage: #{o.program_name}\e[0m <COMMAND> [OPTIONS]"
    o.on_tail('-h', '--help', 'Print help information') do
      $stdout.puts usage
      exit 0
    end

    o.on_tail('-v', '--version', 'Print version information')
  end
end

Instance Method Details

#parse! ⇒ Object 



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# File 'lib/trabox/command/parser.rb', line 19

def parse!
  @parser.order!

  command = ARGV.shift

  return command unless command.nil?

  warn usage
  exit 1
end

#usage ⇒ Object 



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# File 'lib/trabox/command/parser.rb', line 30

def usage
  <<~USAGE
    #{@parser.help}
    \e[1mCommands\e[0m:
        r, relay            Relay events
        s, subscribe        Subscribe events
  USAGE
end