Ruby random title generator

gistfile1.txt

# TODOS: move lists into configuration file, plurals, better finding/replacing of variables

# Not using
class Pluralizer
  def initialize
    @pluralize = {}
    p "ash", "ashes"
    p "fox", "foxes"
    p "wolf", "wolves"
    p "thief", "thieves"
    p "city", "cities"
    p "ash", "ashes"
  end
  
  def plural( s )
    if @pluralize.has_key?( s )
      @pluralize[s]
    else
      s + "s"
    end
  end
  
  def p( s, p )
    @pluralize[s] = p
  end
end

class TitleGenerator
  def initialize
    @pluralizer = Pluralizer.new
  end
  
  def title( n = 1 )
    n.times do
      t = pick( templates )
      if debugging?
        puts "TITLE: #{ fill_in( t ).inspect }"
        puts "\n\n---------------------------------------"
      else
        puts fill_in( t )
      end
    end
  end
  
  def fill_in( template )
    puts "                       TEMPLATE: #{template}" if debugging?
    rval = template.split.map{ |s|
      if s[0] == "<"
        list = lookup( s )
        choice = pick( list )
        puts "                                 #{s} ---> #{choice}" if debugging?
        choice
      else
        s
      end 
    }.join( " " )
    
    if rval.include?( "<" )
      fill_in( rval )
    else
      rval
    end
  end
  
  
  # Look up the items in the list(s) <THING|OTHER_THING|THIRD_THING>
  def lookup( s )
    key = s[1..-2]
    keys = key.split("|")
    
    keys.map{|k|
      raise "No such list: #{k.inspect}" unless lists.has_key?(k)
     
      lists[k] 
    }.flatten
  end
  
  def templates
    @templates ||= [ 
      "The <S0> of <S1> and <S1>", 
      "A <ADJ0> <S0> of <ADJ0> <S1>", 
      "<ADJ0> <S1> and <ADJ0> <S1>",
      "The <PLACE> of <ADJ0> <ANIMALS>",
      "A <ADJ0> <PERSON>",
      "<OBJECT_PHRASE> , <OBJECT_PHRASE>",
      "A <S0> of <S1>",
      "<S0> of the <PLACE>"
    ]
  end

  def pick( list )
    list[ rand( list.length) ]
  end
  
  def lists
    @lists ||= { 
      "RELATION" => %w(Daughter Son Mother Father),
      "RANK" => %w(King Queen Prince Duke Knight),
      "OCCUPATION" => %w(Traveler Soldier Prophet Thief),
      "RACE" => %w(Ghost Dragon Elf Dwarf Orc),
      "MAGICIAN" => %w(Wizard Witch Sorcerer Sorceress),
      "PERSON" => %w(<RELATION|RANK|OCCUPATION|RACE|MAGICIAN>),
      
      
      "PLACE" => %w(City Citadel Palace Land Mountain River Field Empire Kingdom Court Tavern Gate Forge Path Tower Forest Desert Valley Ruins Waters),
      "OBJ" => %w(Crown Book Throne Scroll Scepter Blade Sword Dagger),
      "S0" => %w(<PERSON|PLACE|OBJ>),
      
      "ANIMALS" => %w(Foxes Wolves Lions Ravens Crows Hawks Horses Dragons Basilisks ),
      "ELEMENT" => %w(Fire Water Wind Air Sky Earth Steel Ash Lightning Storm Ice Blood Smoke Bone Glass Fog Embers Iron Night),
      "EMOTION" => %w(Joy Sadness Dream Nightmares Sleep Evil),
      "S1" => %w(<ANIMALS|ELEMENT|EMOTION>),

      "JEWEL" => %w(Diamond Amethyst Ruby Emerald Obsidian),
      
      "ADJ_CHANGE" => %w(Falling Rising Darkening Brightening Rising Waning Ascending Gathering),
      "ADJ_ATTRIBUTE" => %w(Beguiling Holy Unholy Corrupted Consecrated Sacred Desolated Living Ethereal),
      "ADJ_MISC" => %w(Burning Coming Windswept Endless Towering Forgotten Magical),
      "ADJ_ELEMENT" => %w(Fiery Watery Earthen Ashen Stormy Icy Bloody Empty Chaos),
      "ADJ_COLOR" => %w(Crimson Red Black Sable Silver Golden Dark),
      "ADJ0" => %w(<ADJ_CHANGE|ADJ_ATTRIBUTE|ADJ_MISC|JEWEL|ADJ_ELEMENT|ADJ_COLOR>),
      
      "OBJECT_PHRASE" => ["<ADJ0> <S0>", "<ADJ_COLOR> <PERSON>", "The <PERSON> 's <ADJ0> <PERSON>" ]
    }
  end
  
  def debugging?
    false
  end
end

TitleGenerator.new.title( 20 )