Class: CyberarmEngine::Console::Command::SubCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/cyberarm_engine/console/subcommand.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent, command, type) ⇒ SubCommand

Returns a new instance of SubCommand.



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# File 'lib/cyberarm_engine/console/subcommand.rb', line 7

def initialize(parent, command, type)
  @parent = parent
  @command = command
  @type = type
end

Instance Attribute Details

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/cyberarm_engine/console/subcommand.rb', line 13

def command
  @command
end

Instance Method Details

#handle(arguments, console) ⇒ Object 



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# File 'lib/cyberarm_engine/console/subcommand.rb', line 15

def handle(arguments, console)
  if arguments.size > 1
    console.stdin("to many arguments for #{Style.highlight(command.to_s)}, got #{Style.error(arguments.size)} expected #{Style.notice(1)}.")
    return
  end

  case @type
  when :boolean
    case arguments.last
    when "", nil
      var = @parent.get(command.to_sym) || false
      console.stdin("#{command}: #{Style.highlight(var)}")
    when "on"
      var = @parent.set(command.to_sym, true)
      console.stdin("#{command} => #{Style.highlight(var)}")
    when "off"
      var = @parent.set(command.to_sym, false)
      console.stdin("#{command} => #{Style.highlight(var)}")
    else
      console.stdin("Invalid argument for #{Style.highlight(command.to_s)}, got #{Style.error(arguments.last)} expected #{Style.notice('on')}, or #{Style.notice('off')}.")
    end
  when :string
    case arguments.last
    when "", nil
      var = @parent.get(command.to_sym) || "\"\""
      console.stdin("#{command}: #{Style.highlight(var)}")
    else
      var = @parent.set(command.to_sym, arguments.last)
      console.stdin("#{command} => #{Style.highlight(var)}")
    end
  when :integer
    case arguments.last
    when "", nil
      var = @parent.get(command.to_sym) || "nil"
      console.stdin("#{command}: #{Style.highlight(var)}")
    else
      begin
        var = @parent.set(command.to_sym, Integer(arguments.last))
        console.stdin("#{command} => #{Style.highlight(var)}")
      rescue ArgumentError
        console.stdin("Error: #{Style.error("Expected an integer, got '#{arguments.last}'")}")
      end
    end
  when :decimal
    case arguments.last
    when "", nil
      var = @parent.get(command.to_sym) || "nil"
      console.stdin("#{command}: #{Style.highlight(var)}")
    else
      begin
        var = @parent.set(command.to_sym, Float(arguments.last))
        console.stdin("#{command} => #{Style.highlight(var)}")
      rescue ArgumentError
        console.stdin("Error: #{Style.error("Expected a decimal or integer, got '#{arguments.last}'")}")
      end
    end
  else
    raise RuntimeError
  end
end

#usage ⇒ Object 



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# File 'lib/cyberarm_engine/console/subcommand.rb', line 85

def usage
  case @type
  when :boolean
    "#{Style.highlight(command)} #{Style.notice('[on|off]')}"
  when :string
    "#{Style.highlight(command)} #{Style.notice('[string]')}"
  when :integer
    "#{Style.highlight(command)} #{Style.notice('[0]')}"
  when :decimal
    "#{Style.highlight(command)} #{Style.notice('[0.0]')}"
  end
end

#values ⇒ Object 



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# File 'lib/cyberarm_engine/console/subcommand.rb', line 76

def values
  case @type
  when :boolean
    %w[on off]
  else
    []
  end
end