logger.rb


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module Dinobot
  class Logger
    @@instance = nil
    @@mutex = Mutex.new

    def in(*lines)
      str = lines.join("\n")

      puts str.gsub(/^/, "\e[32m<<\e[0m ")
    end

    def out(*lines)
      str = lines.join("\n")

      puts str.gsub(/^/, "\e[36m>>\e[0m ")
    end

    def error(*lines)
      str = lines.join("\n")

      puts str.gsub(/^/, "\e[31m!!\e[0m ")
    end

    def info(*lines)
      str = lines.join("\n")

      puts str.gsub(/^/, "\e[33m==\e[0m ")
    end

    def indent(*lines)
      str = lines.join("\n")

      puts str.gsub(/^/, '   ')
    end

    class << self
      def instance
        return @@instance if @@instance

        @@mutex.synchronize do
          @@instance ||= new
        end
      end
    end

    private_class_method :allocate, :new
  end
end