Class: CLASP

Inherits:
Object
  • Object
show all
Defined in:
lib/libclimate/climate.rb

Overview

We monkey-patch CLASP module’s Flag and Option generator methods by added in an action attribute (but only if it does not exist) and attaching the given block

Class Method Summary collapse

Class Method Details

.Flag(name, options = {}, &blk) ⇒ Object

Defines a flag, attaching the given block



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# File 'lib/libclimate/climate.rb', line 77

def Flag(name, options={}, &blk)

  f = self.Flag_old(name, options)

  # anticipate this functionality being added to CLASP
  unless f.respond_to? :action

    class << f

      attr_accessor :action
    end
  end

  if blk

    case blk.arity
    when 0, 1, 2
    else

      warn "wrong arity for flag"
    end

    f.action = blk
  end

  f
end

.Flag_old ⇒ Object

:nodoc:



73
 
# File 'lib/libclimate/climate.rb', line 73

alias_method :Flag_old, :Flag

.Option(name, options = {}, &blk) ⇒ Object

Defines an option, attaching the given block



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# File 'lib/libclimate/climate.rb', line 106

def Option(name, options={}, &blk)

  o = self.Option_old(name, options)

  # anticipate this functionality being added to CLASP
  unless o.respond_to? :action

    class << o

      attr_accessor :action
    end
  end

  if blk

    case blk.arity
    when 0, 1, 2
    else

      warn "wrong arity for option"
    end

    o.action = blk
  end

  o
end

.Option_old ⇒ Object

:nodoc:



74
 
# File 'lib/libclimate/climate.rb', line 74

alias_method :Option_old, :Option