lookup (RubiGen::Lookup::ClassMethods)

    # File lib/rubigen/lookup.rb, line 149
          def lookup(generator_name)
            @found ||= {}
            generator_name = generator_name.to_s.downcase
            @found[generator_name] ||= cache.find { |spec| spec.name == generator_name }
            unless @found[generator_name]
              chars = generator_name.scan(/./).map{|c|"#{c}.*?"}
              rx = /^#{chars}$/
              gns = cache.select {|spec| spec.name =~ rx }
              @found[generator_name] ||= gns.first if gns.length == 1
              raise GeneratorError, "Pattern '#{generator_name}' matches more than one generator: #{gns.map{|sp|sp.name}.join(', ')}" if gns.length > 1
            end
            @found[generator_name] or raise GeneratorError, "Couldn't find '#{generator_name}' generator"
          end