class RDF::CLI::Option
Option description for use within Readers/Writers. See {RDF::Reader.options} and {RDF::Writer.options} for example usage.
Attributes
Argument datatype, which may be enumerated string values @return [Class, Array<String>]
Description of this option (optional) @return [String]
Allows multiple comma-spearated values. @return [Boolean]
Arguments passed to OptionParser#on @return [Array<String>]
Symbol used for this option when calling `Reader.new` @return [Symbol]
Public Class Methods
Create a new option with optional callback.
@param [Symbol] symbol @param [Array<String>] on @param [String] description @param [Class, Array<String>] datatype of value @param [Boolean] multiple can have multiple comma-separated values @yield value which may be used within `OptionParser#on` @yieldparam [Object] value The option value as parsed using `on` argument @yieldreturn [Object] a possibly modified input value
# File lib/rdf/cli.rb, line 109 def initialize(symbol: nil, on: nil, description: nil, datatype: String, multiple: false, &block) raise ArgumentError, "symbol is a required argument" unless symbol raise ArgumentError, "on is a required argument" unless on @symbol, @on, @description, @datatype, @multiple, @callback = symbol.to_sym, Array(on), description, datatype, multiple, block end
Public Instance Methods
# File lib/rdf/cli.rb, line 115 def call(arg) @callback ? @callback.call(arg) : arg end