Class: Scatter::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/scatter/cli.rb

Instance Method Summary collapse

Constructor Details

#initialize(out) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/scatter/cli.rb', line 3

def initialize(out)
  @out = out
end

Instance Method Details

#run(args) ⇒ Object 



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# File 'lib/scatter/cli.rb', line 30

def run(args)
  run!(args)
rescue CommandLineError => e
  @out.puts "Error: #{e.message}"
  usage
end

#run!(args) ⇒ Object

Raises:



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# File 'lib/scatter/cli.rb', line 7

def run!(args)
  raise CommandLineError, 'No command given' if args.empty?

  case command_name = args.shift
  when /^-?-?h(elp)?$/
    if args.empty?
      usage
    else
      if args.first == 'commands'
        commands_help
      else
        @out.puts command_class(args.first).help
      end
    end
  when /^-?-?v(ersion)?$/
    @out.puts "scatter version #{Scatter.version}"
  else
    klass = command_class(command_name)
    command = klass.new(@out, *args)
    command.execute!
  end
end