Module: Skylab::Face::Command::TreeDefiner

Included in:
Skylab::Face::Cli, Namespace
Defined in:
lib/myterm/vendor/skylab/face/cli.rb

Instance Method Summary collapse

Instance Method Details

#command_definitions ⇒ Object 



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# File 'lib/myterm/vendor/skylab/face/cli.rb', line 172

def command_definitions
  @command_definitions ||= []
end

#command_tree ⇒ Object 



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# File 'lib/myterm/vendor/skylab/face/cli.rb', line 144

def command_tree
  @command_tree ||= begin
    defined = command_definitions.map { |cls, a, b| cls.build(*a, &b) }
    defined_m = defined.map(&:method_symbol).compact
    implied_m = public_instance_methods(false).map(&:intern) - defined_m
    implied = implied_m.map { |m| Command.new(m) }
    Treeish[ defined + implied ]
  end
end

#inherited(cls) ⇒ Object

this is nutty: for classes that extend this module, this is something that is triggered when they are subclasses



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# File 'lib/myterm/vendor/skylab/face/cli.rb', line 155

def inherited cls
  cls.on('-h', '--help', 'show this screen') { help }
  # You can rewrite the above in your class with another call to on()
  # If you want to remove it, try:
  #   option_definitions.reject! { |a,_| '-h' == a.first }
end

#method_added(name) ⇒ Object 



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# File 'lib/myterm/vendor/skylab/face/cli.rb', line 175

def method_added name
  if @grab_next_method
    command_definitions.last[1][0] = name.to_sym
    @grab_next_method = false
  end
end

#namespace(name, &block) ⇒ Object

You can rewrite the above in your class with another call to on() If you want to remove it, try:

option_definitions.reject! { |a,_| '-h' == a.first }



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# File 'lib/myterm/vendor/skylab/face/cli.rb', line 161

def namespace name, &block
  def_block = name.kind_of?(Array) ? name : [Namespace, [name], block]
  command_definitions.push Namespace.add_definition(def_block)
end

#on(*a, &b) ⇒ Object 



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# File 'lib/myterm/vendor/skylab/face/cli.rb', line 165

def on *a, &b
  block_given? or raise ArgumentError.new("block required")
  option_definitions.push [a, b]
end

#option_definitions ⇒ Object 



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# File 'lib/myterm/vendor/skylab/face/cli.rb', line 169

def option_definitions
  @option_definitions ||= []
end

#option_parser(*a, &b) ⇒ Object Also known as: o 



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# File 'lib/myterm/vendor/skylab/face/cli.rb', line 181

def option_parser *a, &b
  block_given? or raise ArgumentError.new("block required")
  if a.empty?
    @grab_next_method and fail("can't have two anonymous " <<
    "command definitions in a row.")
    @grab_next_method = true
    a = [nil]
  end
  command_definitions.push [Command, a, b]
end