require_relative '../generator' module Dagger module Generate # Generate a value by collecting regexp matches for keys, # and filling format strings. # # _default.key: # - regexp: # srckey: # - regexp # - ... # ... # string: # - format string # - ... class Regexp < Dagger::Generator def process(sources) matches = {} sources.each do |key, regexps| matches.merge!(match_regexps(key, regexps)) end update(dictionary: matches) end private # Match the value of a key agains regexps, returning the named # captured data. # # :call-seq: # match_regexps(key, regexps) => Hash def match_regexps(key, regexps) string = dictionary[key] enumerable(regexps).each_with_object({}) do |regexp, matches| matchdata = ::Regexp.new(regexp).match(string) next if matchdata.nil? matches.merge!(matchdata.named_captures.transform_keys(&:to_sym)) end end end end end