# File lib/clamp/parameter/definition.rb, line 8 def initialize(name, description, options = {}) @name = name @description = description super(options) @multivalued = (@name =~ ELLIPSIS_SUFFIX) @required = options.fetch(:required) do (@name !~ OPTIONAL) end end
# File lib/clamp/parameter/definition.rb, line 24 def consume(arguments) raise ArgumentError, Clamp.message(:no_value_provided) if required? && arguments.empty? arguments.shift(multivalued? ? arguments.length : 1) end
# File lib/clamp/parameter/definition.rb, line 20 def help_lhs name end
# File lib/clamp/parameter/definition.rb, line 36 def infer_attribute_name inferred_name = name.downcase.tr('-', '_').sub(ELLIPSIS_SUFFIX, '').sub(OPTIONAL) { $1 } unless inferred_name =~ VALID_ATTRIBUTE_NAME raise "cannot infer attribute_name from #{name.inspect}" end inferred_name += "_list" if multivalued? inferred_name end