Module: Roark::CLI

Defined in:
lib/roark/cli.rb,
lib/roark/cli/create.rb,
lib/roark/cli/shared.rb,
lib/roark/cli/destroy.rb

Defined Under Namespace

Modules: Shared Classes: Create, Destroy

Class Method Summary collapse

Class Method Details

.commands ⇒ Object 



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# File 'lib/roark/cli.rb', line 55

def self.commands
  return @commands if @commands
  klasses   = Roark::CLI.constants.reject {|c| [:Shared].include? c}
  @commands = klasses.map { |klass| Roark::CLI.const_get(klass).new }
end

.length_of_longest_command ⇒ Object 



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# File 'lib/roark/cli.rb', line 61

def self.length_of_longest_command
  commands.map { |c| c.command_name.length }.max
end

.start ⇒ Object 



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# File 'lib/roark/cli.rb', line 11

def self.start
  cmd = ARGV.shift

  case cmd
  when 'create'
    begin
      CLI::Create.new.create
    rescue OptionParser::MissingArgument => e
      puts e.message
      exit 1
    end
  when 'destroy'
    begin
      CLI::Destroy.new.destroy
    rescue OptionParser::MissingArgument => e
      puts e.message
      exit 1
    end
  when '-h'
    usage
  when '-v'
    puts Roark::VERSION
  else
    puts "Unknown command: '#{cmd}'."
    puts ''
    usage
    exit 1
  end
end

.usage ⇒ Object 



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# File 'lib/roark/cli.rb', line 41

def self.usage
  puts 'Usage: roark command'
  puts ''
  puts 'Append -h for help on specific subcommand.'
  puts ''

  puts 'Commands:'
  commands.each do |cmd|
    $stdout.printf "    %-#{length_of_longest_command}s      %s\n",
                   cmd.command_name,
                   cmd.command_summary
  end
end