Class: EnfCli::EnfThor

Inherits:
Thor
  • Object
show all
Defined in:
lib/enfthor.rb

Class Method Summary collapse

Class Method Details

.capture_stdout ⇒ Object 



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# File 'lib/enfthor.rb', line 71

def capture_stdout
  $stdout = StringIO.new
  yield
  text = $stdout.string
  $stdout = STDOUT
  text
end

.command_help(shell, command_name) ⇒ Object 



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# File 'lib/enfthor.rb', line 89

def command_help(shell, command_name)
  meth = normalize_command_name(command_name)
  command = all_commands[meth]
  handle_no_command_error(meth) unless command

  ## HACK: format to display proper help message for help command run from shell
  banner_text = banner(command)
  banner_text = banner_text.gsub(/enfcli /, "") unless self == EnfCli::CLI

  shell.say "Usage:"
  shell.say "  #{banner_text}"
  shell.say
  class_options_help(shell, nil => command.options.values)
  if command.long_description
    shell.say "Description:"
    shell.print_wrapped(command.long_description, :indent => 2)
  else
    shell.say command.description
  end
end

.handle_argument_error(command, error, args, arity) ⇒ Object 



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# File 'lib/enfthor.rb', line 79

def handle_argument_error(command, error, args, arity)
  begin
    super(command, error, args, arity)
  rescue Thor::InvocationError => e
    msg = "#{e}"
    msg = msg.gsub(/enfcli /, "") unless self == EnfCli::CLI
    raise Thor::InvocationError, msg
  end
end

.help(shell, subcommand = false) ⇒ Object 



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# File 'lib/enfthor.rb', line 110

def help(shell, subcommand = false)
  list = printable_commands(true, subcommand)
  Thor::Util.thor_classes_in(self).each do |klass|
    list += klass.printable_commands(false)
  end

  # Remove this line to disable alphabetical sorting
  list.sort! { |a, b| a[0] <=> b[0] }

  # Add this line to remove the help-command itself from the output
  list.reject! { |l| l[0].split[1] == "help" or l[0].split[2] == "help" }

  # Capture help message in a variable
  help_text = capture_stdout {
    shell.say "Commands:"
    shell.print_table(list, :indent => 2, :truncate => true)
    shell.say
    class_options_help(shell)
  }

  ## HACK: format to display proper help message for help command run from shell
  help_text = help_text.gsub(/enfcli /, "") unless self == EnfCli::CLI

  # Print the actual help message
  shell.say help_text

  # Add this line if you want to print custom text at the end of your help output.
  # (similar to how Rails does it)
  shell.say "All commands can be run with -h (or --help) for more information."
end