Class: Hash

Inherits:
Object show all
Defined in:
lib/user_input.rb

Instance Method Summary collapse

Instance Method Details

#from_user_input(value) ⇒ Object



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# File 'lib/user_input.rb', line 166

def from_user_input(value)
	if (self.length != 1)
		raise ArgumentError, "Must supply only one element to a hash you're calling from_user_input on."
	end
	if (!value.kind_of?(Hash))
		return nil
	end
	keytype = nil
	valtype = nil
	self.each {|k,v| keytype = k; valtype = v}
	output = {}
	value.each {|k, v|
		if (!(k = keytype.from_user_input(k)).nil? && !(v = valtype.from_user_input(v)).nil?)
			output[k] = v
		end
	}
	if (output.length > 0)
		return output
	else
		return nil
	end
end