class String

# File lib/string.rb, line 21
def camel_case
  return self if self !~ /_/ && self =~ /[A-Z]+.*/
  split('_').map{|e| e.capitalize}.join
end

# File lib/string.rb, line 17
def reformat
  self.split(/[\.|\s|\-](?=[\w])/).join(' ').title_case
end

# File lib/string.rb, line 2
def title_case
  title = self.split
  out   = ''
  minus = ['of', 'the', 'in', 'and']

  title.each_with_index do |word, i|
    word = ((i > 0 and minus.include?(word.downcase))                ? word.downcase
            : word.capitalize)
    out += ' %s' % word
  end

  return out.strip
end

# File lib/string.rb, line 26
def underscore
  self.gsub(/::/, '/')
    .gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2')
    .gsub(/([a-z\d])([A-Z])/,'\1_\2')
    .tr("-", "_")
    .downcase
end