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Versions: 13
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Contents
require_relative 'forwarding/rule'
require_relative 'forwarding/proxy'
class EcoRake
module Options
# Offers a way to relaunch command options from options results.
module Forwarding
class << self
def included(base)
super(base)
base.extend ClassMethods
base.attr_inheritable(:options_proxy) {|value, subclass| value&.deep_dup(subclass)}
end
end
module ClassMethods
# Service class to forward options.
def options_proxy
@options_proxy ||= EcoRake::Options::Forwarding::Proxy.new(self)
end
# Declare the forwarding rules for options.
# @param rules [Hash] where keys are option names or shorts and values the rules.
def option_forwarding(**rules)
rules.each do |sym, rule|
options_proxy.add(sym, rule, override: true)
end
end
end
# @param sym [Symbol] a short or name of an option that may be present in `from`
# @param from [Hash] the parsed option results.
# @return [Value] the value defined by the `rule` linked to `opt`
def forward_option(sym, from: options)
self.class.options_proxy.forward(sym, from: from)
end
# @see `#forward_option` (the same but for multiple options)
# @return [Array<Value>] the values defined by the `rules` linked to `opts`
def forward_options(*syms, from: options)
syms.map {|sym| forward_option(sym, from: from)}
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems