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 a ‘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 



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# File 'lib/libclimate/climate.rb', line 72

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

	f = self.Flag_old(name, options)

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

	class << f

		attr_accessor :action
	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 



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# File 'lib/libclimate/climate.rb', line 69

alias_method :Flag_old, :Flag

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



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# File 'lib/libclimate/climate.rb', line 99

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

	o = self.Option_old(name, options)

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

	class << o

		attr_accessor :action
	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 



70
 
# File 'lib/libclimate/climate.rb', line 70

alias_method :Option_old, :Option