flip.rb

#!/usr/bin/env ruby -wKU
# encoding: UTF-8

class Flip
  # sɹǝɔuɐʃɐqpɐoʃ ƃuıʞɔnɟノ(ಠ 益ಠ ノ) -> (ノಠ益ಠ)ノ彡fucking loadbalancers
  # add arg support for flipping, reverse flipping, copying to clipboard, text, table, face style
  TABLE = {
    "a" => "\220\311", "b" => "q", "c" => "\224\311", "d" => "p", "e" => "\235\307", "f" => "\237\311", "g" => "\203\306", "h" => "\245\311", "i" => "\261\304",
    "j" => "\276\311", "k" => "\236\312", "l" => "\203\312", "m" => "\257\311", "n" => "u", "r" => "\271\311", "t" => "\207\312", "v" => "\214\312", "w" => "\215\312",
    "y" => "\216\312", "." => "\231\313", "[" => "]", "(" => ")", "{" => "}", "?" => "\277\302", "!" => "\241\302", "\"" => ",", "<" => ">", "_" => "\276\200\302",
    ";" => "\233\330", "\277\200\302" => "\200\201\302", "\205\201\302" => "\206\201\302", "\264\210\342" => "\265\210\342"
  }

  def self.create(*text)
    new(text).flip
  end

  attr_reader :table

  def initialize(*text)
    @flipped, @text = "", text.join(" ")
    mirror_table
  end

  def flip
    @text.each_char do |char|
      @flipped += table.keys.include?(char) ? table[char] : char
    end
    @flipped.reverse!
  end

  private
  def mirror_table
    @table ||= TABLE.inject({}) { |h,(k,v)| h[v] = k; h[k] = v; h }
  end
end

if __FILE__ == $PROGRAM_NAME
  puts Flip.create(*ARGV)
end