TextExpander and Lorem Ingsoc in Wonderland

#!/usr/bin/ruby
# Generates a bunch of random Markdown text (with footnotes/tables)
# REQUIREMENTS:
# raingrams gem ([sudo] gem install raingrams)
# a text file at ~/words/alice.txt containing lots of words
# I recommend using mine from http://ckyp.us/kZWQ

require 'rubygems'
require 'raingrams'

include Raingrams

# All (min,max) pairs need max > min

@model = BigramModel.build do |model|
  model.train_with_text File.new(File.expand_path('~/words/alice.txt'),'r').read
end

@model.refresh

# generates a paragraph with random sentences
# min = minimum sentences
# max = maximum sentences
def graf(min,max,footnote=false)
  # grab the paragraph and split it into words
  para = @model.random_paragraph({:min_sentences => min,:max_sentences => max }).split(' ')
  # add a random italics element
  em = (rand(para.count - 10) + 10)
  para[em] = "*#{para[em]}*"
  # add a random bold element
  strong = (rand(para.count - 10) + 10)
  # make sure they don't overlap
  strong = strong - 2 if strong == em
  para[strong] = "**#{para[strong]}**"
  # add a multi-word link
  link = (rand(para.count - 10) + 10)
  linkend = link + (rand(6) + 2)
  para[link] = "[#{para[link]}"
  para[linkend] = "#{para[linkend]}](http://dummy.com)"
  if footnote
    return para.join(' ') + "[^#{footnote}]\n\n[^#{footnote}]: " + sentence(10,20) + "\n\n"
  else
    return para.join(' ') + "\n\n"
  end
end

# returns a random sentence, used in headlines
# min = minumum words, max = max words
def sentence(min,max)
  return @model.random_sentence.split(' ')[0..(rand(max - min)+min)].join(' ')
end

# returns a random list
# type = ul or ol
# min = minimum number of list items
# max = maximum number of list items
def list(type,min,max)
  list = '';
  prefix = type == "ol" ? " 1. " : " * "
  (rand(max - min) + min).times do
    list += prefix + @model.random_gram.to_s + "\n"
  end
  list + "\n\n"
end

def block(type,min,max)
    block = ''
    prefix = type == "quote" ? "> " : "     "
    (rand(max-min) + min).times do
        block += prefix + sentence(10,15) + "\n"
    end
    block + "\n\n"
end

def deflist(min, max)
  list = ""
  (rand(max-min) + min).times do
    list += sentence(3,6) + "\n"
    list += ": " + sentence(10,20) + "\n\n"
  end
  list
end

def table(width,rows)
  table = "|"
  headers = sentence(width -1 ,width -1).split(" ")
  counter = 0
  while counter < width do
    if headers
      table += "#{headers.pop}|"
    else
      table += "|"
    end
    counter += 1
  end
  table += "\n|"
  width.times do
    table += ":-----:|"
  end
  table += "\n"
  rows.times do
    cells = sentence(width,width).split(/\s/)
    width.times do
      if cells.length > 0
        table += cells.pop + "|"
      else
        table += "|"
      end
    end
    table += "\n"
  end
  table + "\n\n"
end
# Sequentially builds an output variable (o)
# Chop this apart to make snippets as needed

# Level 1 headline
o = "# " + sentence(2,5) + "\n\n"
# 2 medium paragraphs
2.times do
  o += graf(4,6)
end
# Level 2 headline
o += "## " + sentence(4,7) + "\n\n"
# 1 short paragraph with footnote
o += graf(2,4,"fn1")
# an unordered list
o += list('ul',5,8)
# 1 more long paragraph
o += graf(6,8)
# image
o += "![dummy][img1]\n\n[img1]: http://placekitten.com/400/300\n\n"
# Level 3 header
o += "### " + sentence(5,9) + "\n\n"
# table
o += table(rand(5) + 3,rand(10) + 5)
# medium paragraph
o += graf(4,6)
# blockquote
o += block('quote', 2, 3)
# ordered list
o += list('ol',5,8)
# another graf with footnote
o += graf(3,5,"fn2")
# hr
o += "\n---\n\n"
# code block
o += block('code', 5, 7)
# sentence
o += sentence(10,15)
# definition list
o += deflist(3,7)

print o