Class: NumRu::Misc::KeywordOptAutoHelp

Inherits:
KeywordOpt
  • Object
show all
Defined in:
lib/numru/misc/keywordopt.rb

Instance Method Summary collapse

Methods inherited from KeywordOpt

#[], #help, #keys, #select_existent

Constructor Details

#initialize(*args) ⇒ KeywordOptAutoHelp

Returns a new instance of KeywordOptAutoHelp.



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# File 'lib/numru/misc/keywordopt.rb', line 372

def initialize(*args)
	args.push(['help',  false, 'show help message if true'])
	super(*args)
end

Instance Method Details

#interpret(hash) ⇒ Object 



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# File 'lib/numru/misc/keywordopt.rb', line 377

def interpret(hash)
	begin
	  out = super(hash)
	rescue
	  raise $!.inspect + "\n  Available parameters are:\n" + help
	end
	if out['help']
	  puts 	"<< Description of options >>\n" + help
	  puts ' Current values=' + out.inspect
	  raise Misc::HelpMessagingException, '** help messaging done **'
	end
	out
end

#set(hash) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/numru/misc/keywordopt.rb', line 391

def set(hash)
	raise ArgumentError, "not a hash" if !hash.is_a?(Hash)
	if hash['help']
	  puts 	"<< Description of options >>\n" + help
	  raise Misc::HelpMessagingException, '** help messaging done **'
	end
	super
end